Merge branch 'main' into fix--postgres-impl

Dockerfile

@@ -1,13 +1,23 @@
 # Build stage
-FROM python:3.11-slim as builder
+FROM python:3.11-slim AS builder
 
 WORKDIR /app
 
+# Install Rust and required build dependencies
+RUN apt-get update && apt-get install -y \
+    curl \
+    build-essential \
+    pkg-config \
+    && rm -rf /var/lib/apt/lists/* \
+    && curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y \
+    && . $HOME/.cargo/env
+
 # Copy only requirements files first to leverage Docker cache
 COPY requirements.txt .
 COPY lightrag/api/requirements.txt ./lightrag/api/
 
 # Install dependencies
+ENV PATH="/root/.cargo/bin:${PATH}"
 RUN pip install --user --no-cache-dir -r requirements.txt
 RUN pip install --user --no-cache-dir -r lightrag/api/requirements.txt
 
@@ -28,6 +38,10 @@ ENV PATH=/root/.local/bin:$PATH
 # Create necessary directories
 RUN mkdir -p /app/data/rag_storage /app/data/inputs
 
+# Docker data directories
+ENV WORKING_DIR=/app/data/rag_storage
+ENV INPUT_DIR=/app/data/inputs
+
 # Expose the default port
 EXPOSE 9621
 

README.md

@@ -1061,7 +1061,7 @@ Valid modes are:
 | **llm\_model\_func**                         | `callable`      | Function for LLM generation                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | `gpt_4o_mini_complete`                                                                                      |
 | **llm\_model\_name**                         | `str`           | LLM model name for generation                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         | `meta-llama/Llama-3.2-1B-Instruct`                                                                          |
 | **llm\_model\_max\_token\_size**             | `int`           | Maximum token size for LLM generation (affects entity relation summaries)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | `32768`（default value changed by  env var MAX_TOKENS)                                                      |
-| **llm\_model\_max\_async**                   | `int`           | Maximum number of concurrent asynchronous LLM processes                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | `16`（default value changed by  env var MAX_ASYNC)                                                          |
+| **llm\_model\_max\_async**                   | `int`           | Maximum number of concurrent asynchronous LLM processes                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | `4`（default value changed by  env var MAX_ASYNC)                                                          |
 | **llm\_model\_kwargs**                       | `dict`          | Additional parameters for LLM generation                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |                                                                                                               |
 | **vector\_db\_storage\_cls\_kwargs**         | `dict`          | Additional parameters for vector database, like setting the threshold for nodes and relations retrieval.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | cosine_better_than_threshold: 0.2（default value changed by  env var COSINE_THRESHOLD)                        |
 | **enable\_llm\_cache**                       | `bool`          | If `TRUE`, stores LLM results in cache; repeated prompts return cached responses                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | `TRUE`                                                                                                      |

env.example

@@ -50,7 +50,8 @@
 # MAX_TOKEN_SUMMARY=500        # Max tokens for entity or relations summary
 # SUMMARY_LANGUAGE=English
 # MAX_EMBED_TOKENS=8192
-# ENABLE_LLM_CACHE_FOR_EXTRACT=false  # Enable LLM cache for entity extraction, defaults to false
+# ENABLE_LLM_CACHE_FOR_EXTRACT=true  # Enable LLM cache for entity extraction
+# MAX_PARALLEL_INSERT=2        # Maximum number of parallel processing documents in pipeline
 
 ### LLM Configuration (Use valid host. For local services installed with docker, you can use host.docker.internal)
 LLM_BINDING=ollama

lightrag/api/README.md

@@ -224,7 +224,7 @@ LightRAG supports binding to various LLM/Embedding backends:
 Use environment variables  `LLM_BINDING` or CLI argument `--llm-binding` to select LLM backend type. Use environment variables  `EMBEDDING_BINDING` or CLI argument `--embedding-binding` to select LLM backend type.
 
 ### Entity Extraction Configuration
-* ENABLE_LLM_CACHE_FOR_EXTRACT: Enable LLM cache for entity extraction (default: false)
+* ENABLE_LLM_CACHE_FOR_EXTRACT: Enable LLM cache for entity extraction (default: true)
 
 It's very common to set `ENABLE_LLM_CACHE_FOR_EXTRACT` to true for test environment to reduce the cost of LLM calls.
 

lightrag/api/docs/LightRagWithPostGRESQL.md

@@ -141,7 +141,7 @@ Start the LightRAG server using specified options:
 lightrag-server --port 9621 --key sk-somepassword --kv-storage PGKVStorage --graph-storage PGGraphStorage --vector-storage PGVectorStorage --doc-status-storage PGDocStatusStorage
 ```
 
-Replace `the-port-number` with your desired port number (default is 9621) and `your-secret-key` with a secure key.
+Replace the `port` number with your desired port number (default is 9621) and `your-secret-key` with a secure key.
 
 ## Conclusion
 

lightrag/api/lightrag_server.py

@@ -391,12 +391,24 @@ def create_app(args):
             "update_status": update_status,
         }
 
+    # Custom StaticFiles class to prevent caching of HTML files
+    class NoCacheStaticFiles(StaticFiles):
+        async def get_response(self, path: str, scope):
+            response = await super().get_response(path, scope)
+            if path.endswith(".html"):
+                response.headers["Cache-Control"] = (
+                    "no-cache, no-store, must-revalidate"
+                )
+                response.headers["Pragma"] = "no-cache"
+                response.headers["Expires"] = "0"
+            return response
+
     # Webui mount webui/index.html
     static_dir = Path(__file__).parent / "webui"
     static_dir.mkdir(exist_ok=True)
     app.mount(
         "/webui",
-        StaticFiles(directory=static_dir, html=True, check_dir=True),
+        NoCacheStaticFiles(directory=static_dir, html=True, check_dir=True),
         name="webui",
     )
 

lightrag/api/requirements.txt

@@ -3,6 +3,7 @@ ascii_colors
 asyncpg
 distro
 fastapi
+graspologic>=3.4.1
 httpcore
 httpx
 jiter

lightrag/api/utils_api.py

@@ -364,7 +364,7 @@ def parse_args(is_uvicorn_mode: bool = False) -> argparse.Namespace:
 
     # Inject LLM cache configuration
     args.enable_llm_cache_for_extract = get_env_value(
-        "ENABLE_LLM_CACHE_FOR_EXTRACT", False, bool
+        "ENABLE_LLM_CACHE_FOR_EXTRACT", True, bool
     )
 
     # Select Document loading tool (DOCLING, DEFAULT)

lightrag/api/webui/index.html

@@ -2,11 +2,14 @@
 <html lang="en">
   <head>
     <meta charset="UTF-8" />
+    <meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" />
+    <meta http-equiv="Pragma" content="no-cache" />
+    <meta http-equiv="Expires" content="0" />
     <link rel="icon" type="image/svg+xml" href="./logo.png" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Lightrag</title>
-    <script type="module" crossorigin src="./assets/index-BlVvSIic.js"></script>
+    <script type="module" crossorigin src="./assets/index-DwcJE583.js"></script>
-    <link rel="stylesheet" crossorigin href="./assets/index-CH-3l4_Z.css">
+    <link rel="stylesheet" crossorigin href="./assets/index-BV5s8k-a.css">
   </head>
   <body>
     <div id="root"></div>

lightrag/kg/postgres_impl.py

@@ -432,19 +432,31 @@ class PGVectorStorage(BaseVectorStorage):
 
     def _upsert_entities(self, item: dict[str, Any]) -> tuple[str, dict[str, Any]]:
         upsert_sql = SQL_TEMPLATES["upsert_entity"]
+        source_id = item["source_id"]
+        if isinstance(source_id, str) and "<SEP>" in source_id:
+            chunk_ids = source_id.split("<SEP>")
+        else:
+            chunk_ids = [source_id]
+            
         data: dict[str, Any] = {
             "workspace": self.db.workspace,
             "id": item["__id__"],
             "entity_name": item["entity_name"],
             "content": item["content"],
             "content_vector": json.dumps(item["__vector__"].tolist()),
-            "chunk_id": item["source_id"],
+            "chunk_ids": chunk_ids,
             # TODO: add document_id
         }
         return upsert_sql, data
 
     def _upsert_relationships(self, item: dict[str, Any]) -> tuple[str, dict[str, Any]]:
         upsert_sql = SQL_TEMPLATES["upsert_relationship"]
+        source_id = item["source_id"]
+        if isinstance(source_id, str) and "<SEP>" in source_id:
+            chunk_ids = source_id.split("<SEP>")
+        else:
+            chunk_ids = [source_id]
+            
         data: dict[str, Any] = {
             "workspace": self.db.workspace,
             "id": item["__id__"],
@@ -452,7 +464,7 @@ class PGVectorStorage(BaseVectorStorage):
             "target_id": item["tgt_id"],
             "content": item["content"],
             "content_vector": json.dumps(item["__vector__"].tolist()),
-            "chunk_id": item["source_id"],
+            "chunk_ids": chunk_ids,
             # TODO: add document_id
         }
         return upsert_sql, data
@@ -755,7 +767,7 @@ class PGDocStatusStorage(DocStatusStorage):
         result = await self.db.query(sql, params, True)
         docs_by_status = {
             element["id"]: DocProcessingStatus(
-                content=result[0]["content"],
+                content=element["content"],
                 content_summary=element["content_summary"],
                 content_length=element["content_length"],
                 status=element["status"],
@@ -1531,7 +1543,7 @@ TABLES = {
                     content_vector VECTOR,
                     create_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
                     update_time TIMESTAMP,
-                    chunk_id VARCHAR(255) NULL,
+                    chunk_id TEXT NULL,
 	                CONSTRAINT LIGHTRAG_VDB_ENTITY_PK PRIMARY KEY (workspace, id)
                     )"""
     },
@@ -1545,7 +1557,7 @@ TABLES = {
                     content_vector VECTOR,
                     create_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
                     update_time TIMESTAMP,
-                    chunk_id VARCHAR(255) NULL,
+                    chunk_id TEXT NULL,
 	                CONSTRAINT LIGHTRAG_VDB_RELATION_PK PRIMARY KEY (workspace, id)
                     )"""
     },
@@ -1629,22 +1641,25 @@ SQL_TEMPLATES = {
                       update_time = CURRENT_TIMESTAMP
                      """,
     "upsert_entity": """INSERT INTO LIGHTRAG_VDB_ENTITY (workspace, id, entity_name, content,
-                      content_vector, chunk_id)
+                      content_vector, chunk_ids)
-                      VALUES ($1, $2, $3, $4, $5, $6)
+                      VALUES ($1, $2, $3, $4, $5, $6::varchar[])
                       ON CONFLICT (workspace,id) DO UPDATE
                       SET entity_name=EXCLUDED.entity_name,
                       content=EXCLUDED.content,
                       content_vector=EXCLUDED.content_vector,
+                      chunk_ids=EXCLUDED.chunk_ids,
                       update_time=CURRENT_TIMESTAMP
                      """,
     "upsert_relationship": """INSERT INTO LIGHTRAG_VDB_RELATION (workspace, id, source_id,
-                      target_id, content, content_vector, chunk_id)
+                      target_id, content, content_vector, chunk_ids)
-                      VALUES ($1, $2, $3, $4, $5, $6, $7)
+                      VALUES ($1, $2, $3, $4, $5, $6, $7::varchar[])
                       ON CONFLICT (workspace,id) DO UPDATE
                       SET source_id=EXCLUDED.source_id,
                       target_id=EXCLUDED.target_id,
                       content=EXCLUDED.content,
-                      content_vector=EXCLUDED.content_vector, update_time = CURRENT_TIMESTAMP
+                      content_vector=EXCLUDED.content_vector,
+                      chunk_ids=EXCLUDED.chunk_ids,
+                      update_time = CURRENT_TIMESTAMP
                      """,
     # SQL for VectorStorage
     # "entities": """SELECT entity_name FROM
@@ -1695,8 +1710,8 @@ SQL_TEMPLATES = {
     FROM (
         SELECT r.id, r.source_id, r.target_id, 1 - (r.content_vector <=> '[{embedding_string}]'::vector) as distance
         FROM LIGHTRAG_VDB_RELATION r
+        JOIN relevant_chunks c ON c.chunk_id = ANY(r.chunk_ids)
         WHERE r.workspace=$1
-        AND r.chunk_id IN (SELECT chunk_id FROM relevant_chunks)
     ) filtered
     WHERE distance>$2
     ORDER BY distance DESC
@@ -1710,10 +1725,10 @@ SQL_TEMPLATES = {
         )
         SELECT entity_name FROM
             (
-                SELECT id, entity_name, 1 - (content_vector <=> '[{embedding_string}]'::vector) as distance
+                SELECT e.id, e.entity_name, 1 - (e.content_vector <=> '[{embedding_string}]'::vector) as distance
-                FROM LIGHTRAG_VDB_ENTITY
+                FROM LIGHTRAG_VDB_ENTITY e
-                where workspace=$1
+                JOIN relevant_chunks c ON c.chunk_id = ANY(e.chunk_ids)
-                AND chunk_id IN (SELECT chunk_id FROM relevant_chunks)
+                WHERE e.workspace=$1
             )
         WHERE distance>$2
         ORDER BY distance DESC

lightrag/lightrag.py

@@ -214,7 +214,7 @@ class LightRAG:
     llm_model_max_token_size: int = field(default=int(os.getenv("MAX_TOKENS", 32768)))
     """Maximum number of tokens allowed per LLM response."""
 
-    llm_model_max_async: int = field(default=int(os.getenv("MAX_ASYNC", 16)))
+    llm_model_max_async: int = field(default=int(os.getenv("MAX_ASYNC", 4)))
     """Maximum number of concurrent LLM calls."""
 
     llm_model_kwargs: dict[str, Any] = field(default_factory=dict)
@@ -238,7 +238,7 @@ class LightRAG:
     # Extensions
     # ---
 
-    max_parallel_insert: int = field(default=int(os.getenv("MAX_PARALLEL_INSERT", 20)))
+    max_parallel_insert: int = field(default=int(os.getenv("MAX_PARALLEL_INSERT", 2)))
     """Maximum number of parallel insert operations."""
 
     addon_params: dict[str, Any] = field(
@@ -553,6 +553,7 @@ class LightRAG:
         Args:
             input: Single document string or list of document strings
             split_by_character: if split_by_character is not None, split the string by character, if chunk longer than
+            chunk_token_size, it will be split again by token size.
             split_by_character_only: if split_by_character_only is True, split the string by character only, when
             split_by_character is None, this parameter is ignored.
             ids: single string of the document ID or list of unique document IDs, if not provided, MD5 hash IDs will be generated
@@ -574,6 +575,7 @@ class LightRAG:
         Args:
             input: Single document string or list of document strings
             split_by_character: if split_by_character is not None, split the string by character, if chunk longer than
+            chunk_token_size, it will be split again by token size.
             split_by_character_only: if split_by_character_only is True, split the string by character only, when
             split_by_character is None, this parameter is ignored.
             ids: list of unique document IDs, if not provided, MD5 hash IDs will be generated
@@ -767,7 +769,6 @@ class LightRAG:
         async with pipeline_status_lock:
             # Ensure only one worker is processing documents
             if not pipeline_status.get("busy", False):
-                # 先检查是否有需要处理的文档
                 processing_docs, failed_docs, pending_docs = await asyncio.gather(
                     self.doc_status.get_docs_by_status(DocStatus.PROCESSING),
                     self.doc_status.get_docs_by_status(DocStatus.FAILED),
@@ -779,12 +780,10 @@ class LightRAG:
                 to_process_docs.update(failed_docs)
                 to_process_docs.update(pending_docs)
 
-                # 如果没有需要处理的文档，直接返回，保留 pipeline_status 中的内容不变
                 if not to_process_docs:
                     logger.info("No documents to process")
                     return
 
-                # 有文档需要处理，更新 pipeline_status
                 pipeline_status.update(
                     {
                         "busy": True,
@@ -823,7 +822,7 @@ class LightRAG:
                     for i in range(0, len(to_process_docs), self.max_parallel_insert)
                 ]
 
-                log_message = f"Number of batches to process: {len(docs_batches)}."
+                log_message = f"Processing {len(to_process_docs)} document(s) in {len(docs_batches)} batches"
                 logger.info(log_message)
 
                 # Update pipeline status with current batch information
@@ -832,26 +831,16 @@ class LightRAG:
                 pipeline_status["latest_message"] = log_message
                 pipeline_status["history_messages"].append(log_message)
 
-                batches: list[Any] = []
+                async def process_document(
-                # 3. iterate over batches
+                    doc_id: str,
-                for batch_idx, docs_batch in enumerate(docs_batches):
+                    status_doc: DocProcessingStatus,
-                    # Update current batch in pipeline status (directly, as it's atomic)
+                    split_by_character: str | None,
-                    pipeline_status["cur_batch"] += 1
+                    split_by_character_only: bool,
-
+                    pipeline_status: dict,
-                    async def batch(
+                    pipeline_status_lock: asyncio.Lock,
-                        batch_idx: int,
-                        docs_batch: list[tuple[str, DocProcessingStatus]],
-                        size_batch: int,
                 ) -> None:
-                        log_message = (
+                    """Process single document"""
-                            f"Start processing batch {batch_idx + 1} of {size_batch}."
+                    try:
-                        )
-                        logger.info(log_message)
-                        pipeline_status["latest_message"] = log_message
-                        pipeline_status["history_messages"].append(log_message)
-                        # 4. iterate over batch
-                        for doc_id_processing_status in docs_batch:
-                            doc_id, status_doc = doc_id_processing_status
                         # Generate chunks from document
                         chunks: dict[str, Any] = {
                             compute_mdhash_id(dp["content"], prefix="chunk-"): {
@@ -906,7 +895,6 @@ class LightRAG:
                             full_docs_task,
                             text_chunks_task,
                         ]
-                            try:
                         await asyncio.gather(*tasks)
                         await self.doc_status.upsert(
                             {
@@ -923,10 +911,9 @@ class LightRAG:
                         )
                     except Exception as e:
                         # Log error and update pipeline status
-                                error_msg = (
+                        error_msg = f"Failed to process document {doc_id}: {str(e)}"
-                                    f"Failed to process document {doc_id}: {str(e)}"
-                                )
                         logger.error(error_msg)
+                        async with pipeline_status_lock:
                             pipeline_status["latest_message"] = error_msg
                             pipeline_status["history_messages"].append(error_msg)
 
@@ -939,7 +926,6 @@ class LightRAG:
                             ]:
                                 if not task.done():
                                     task.cancel()
-
                         # Update document status to failed
                         await self.doc_status.upsert(
                             {
@@ -954,19 +940,41 @@ class LightRAG:
                                 }
                             }
                         )
-                                continue
+
+                # 3. iterate over batches
+                total_batches = len(docs_batches)
+                for batch_idx, docs_batch in enumerate(docs_batches):
+                    current_batch = batch_idx + 1
                     log_message = (
-                            f"Completed batch {batch_idx + 1} of {len(docs_batches)}."
+                        f"Start processing batch {current_batch} of {total_batches}."
                     )
                     logger.info(log_message)
+                    pipeline_status["cur_batch"] = current_batch
                     pipeline_status["latest_message"] = log_message
                     pipeline_status["history_messages"].append(log_message)
 
-                    batches.append(batch(batch_idx, docs_batch, len(docs_batches)))
+                    doc_tasks = []
+                    for doc_id, status_doc in docs_batch:
+                        doc_tasks.append(
+                            process_document(
+                                doc_id,
+                                status_doc,
+                                split_by_character,
+                                split_by_character_only,
+                                pipeline_status,
+                                pipeline_status_lock,
+                            )
+                        )
 
-                await asyncio.gather(*batches)
+                    # Process documents in one batch parallelly
+                    await asyncio.gather(*doc_tasks)
                     await self._insert_done()
 
+                    log_message = f"Completed batch {current_batch} of {total_batches}."
+                    logger.info(log_message)
+                    pipeline_status["latest_message"] = log_message
+                    pipeline_status["history_messages"].append(log_message)
+
                 # Check if there's a pending request to process more documents (with lock)
                 has_pending_request = False
                 async with pipeline_status_lock:
@@ -1040,7 +1048,7 @@ class LightRAG:
         ]
         await asyncio.gather(*tasks)
 
-        log_message = "All Insert done"
+        log_message = "In memory DB persist to disk"
         logger.info(log_message)
 
         if pipeline_status is not None and pipeline_status_lock is not None:

lightrag_webui/bun.lock

@@ -62,6 +62,7 @@
         "@types/node": "^22.13.5",
         "@types/react": "^19.0.10",
         "@types/react-dom": "^19.0.4",
+        "@types/react-i18next": "^8.1.0",
         "@types/react-syntax-highlighter": "^15.5.13",
         "@types/seedrandom": "^3.0.8",
         "@vitejs/plugin-react-swc": "^3.8.0",
@@ -443,6 +444,8 @@
 
     "@types/react-dom": ["@types/react-dom@19.0.4", "", { "peerDependencies": { "@types/react": "^19.0.0" } }, "sha512-4fSQ8vWFkg+TGhePfUzVmat3eC14TXYSsiiDSLI0dVLsrm9gZFABjPy/Qu6TKgl1tq1Bu1yDsuQgY3A3DOjCcg=="],
 
+    "@types/react-i18next": ["@types/react-i18next@8.1.0", "", { "dependencies": { "react-i18next": "*" } }, "sha512-d4xhcjX5b3roNMObRNMfb1HinHQlQLPo8xlDj60dnHeeAw2bBymR2cy/l1giJpHzo/ZFgSvgVUvIWr4kCrenCg=="],
+
     "@types/react-syntax-highlighter": ["@types/react-syntax-highlighter@15.5.13", "", { "dependencies": { "@types/react": "*" } }, "sha512-uLGJ87j6Sz8UaBAooU0T6lWJ0dBmjZgN1PZTrj05TNql2/XpC6+4HhMT5syIdFUUt+FASfCeLLv4kBygNU+8qA=="],
 
     "@types/react-transition-group": ["@types/react-transition-group@4.4.12", "", { "peerDependencies": { "@types/react": "*" } }, "sha512-8TV6R3h2j7a91c+1DXdJi3Syo69zzIZbz7Lg5tORM5LEJG7X/E6a1V3drRyBRZq7/utz7A+c4OgYLiLcYGHG6w=="],

lightrag_webui/index.html

@@ -2,6 +2,9 @@
 <html lang="en">
   <head>
     <meta charset="UTF-8" />
+    <meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" />
+    <meta http-equiv="Pragma" content="no-cache" />
+    <meta http-equiv="Expires" content="0" />
     <link rel="icon" type="image/svg+xml" href="/logo.png" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Lightrag</title>

lightrag_webui/package.json

@@ -71,6 +71,7 @@
     "@types/node": "^22.13.5",
     "@types/react": "^19.0.10",
     "@types/react-dom": "^19.0.4",
+    "@types/react-i18next": "^8.1.0",
     "@types/react-syntax-highlighter": "^15.5.13",
     "@types/seedrandom": "^3.0.8",
     "@vitejs/plugin-react-swc": "^3.8.0",

lightrag_webui/src/App.tsx

@@ -1,5 +1,6 @@
 import { useState, useCallback } from 'react'
 import ThemeProvider from '@/components/ThemeProvider'
+import TabVisibilityProvider from '@/contexts/TabVisibilityProvider'
 import MessageAlert from '@/components/MessageAlert'
 import ApiKeyAlert from '@/components/ApiKeyAlert'
 import StatusIndicator from '@/components/graph/StatusIndicator'
@@ -21,7 +22,7 @@ import { Tabs, TabsContent } from '@/components/ui/Tabs'
 function App() {
   const message = useBackendState.use.message()
   const enableHealthCheck = useSettingsStore.use.enableHealthCheck()
-  const [currentTab] = useState(() => useSettingsStore.getState().currentTab)
+  const currentTab = useSettingsStore.use.currentTab()
   const [apiKeyInvalid, setApiKeyInvalid] = useState(false)
 
   // Health check
@@ -54,6 +55,7 @@ function App() {
 
   return (
     <ThemeProvider>
+      <TabVisibilityProvider>
         <main className="flex h-screen w-screen overflow-x-hidden">
           <Tabs
             defaultValue={currentTab}
@@ -81,6 +83,7 @@ function App() {
           {apiKeyInvalid && <ApiKeyAlert />}
           <Toaster />
         </main>
+      </TabVisibilityProvider>
     </ThemeProvider>
   )
 }

lightrag_webui/src/components/AppSettings.tsx

@@ -0,0 +1,66 @@
+import { useState, useCallback } from 'react'
+import { Popover, PopoverContent, PopoverTrigger } from '@/components/ui/Popover'
+import Button from '@/components/ui/Button'
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/Select'
+import { useSettingsStore } from '@/stores/settings'
+import { PaletteIcon } from 'lucide-react'
+import { useTranslation } from 'react-i18next'
+
+export default function AppSettings() {
+  const [opened, setOpened] = useState<boolean>(false)
+  const { t } = useTranslation()
+
+  const language = useSettingsStore.use.language()
+  const setLanguage = useSettingsStore.use.setLanguage()
+
+  const theme = useSettingsStore.use.theme()
+  const setTheme = useSettingsStore.use.setTheme()
+
+  const handleLanguageChange = useCallback((value: string) => {
+    setLanguage(value as 'en' | 'zh')
+  }, [setLanguage])
+
+  const handleThemeChange = useCallback((value: string) => {
+    setTheme(value as 'light' | 'dark' | 'system')
+  }, [setTheme])
+
+  return (
+    <Popover open={opened} onOpenChange={setOpened}>
+      <PopoverTrigger asChild>
+        <Button variant="outline" size="icon" className="h-9 w-9">
+          <PaletteIcon className="h-5 w-5" />
+        </Button>
+      </PopoverTrigger>
+      <PopoverContent side="bottom" align="end" className="w-56">
+        <div className="flex flex-col gap-4">
+          <div className="flex flex-col gap-2">
+            <label className="text-sm font-medium">{t('settings.language')}</label>
+            <Select value={language} onValueChange={handleLanguageChange}>
+              <SelectTrigger>
+                <SelectValue />
+              </SelectTrigger>
+              <SelectContent>
+                <SelectItem value="en">English</SelectItem>
+                <SelectItem value="zh">中文</SelectItem>
+              </SelectContent>
+            </Select>
+          </div>
+
+          <div className="flex flex-col gap-2">
+            <label className="text-sm font-medium">{t('settings.theme')}</label>
+            <Select value={theme} onValueChange={handleThemeChange}>
+              <SelectTrigger>
+                <SelectValue />
+              </SelectTrigger>
+              <SelectContent>
+                <SelectItem value="light">{t('settings.light')}</SelectItem>
+                <SelectItem value="dark">{t('settings.dark')}</SelectItem>
+                <SelectItem value="system">{t('settings.system')}</SelectItem>
+              </SelectContent>
+            </Select>
+          </div>
+        </div>
+      </PopoverContent>
+    </Popover>
+  )
+}

lightrag_webui/src/components/Root.tsx

@@ -0,0 +1,24 @@
+import { StrictMode, useEffect, useState } from 'react'
+import { initializeI18n } from '@/i18n'
+import App from '@/App'
+
+export const Root = () => {
+  const [isI18nInitialized, setIsI18nInitialized] = useState(false)
+
+  useEffect(() => {
+    // Initialize i18n immediately with persisted language
+    initializeI18n().then(() => {
+      setIsI18nInitialized(true)
+    })
+  }, [])
+
+  if (!isI18nInitialized) {
+    return null // or a loading spinner
+  }
+
+  return (
+    <StrictMode>
+      <App />
+    </StrictMode>
+  )
+}

lightrag_webui/src/components/ThemeProvider.tsx

@@ -1,4 +1,4 @@
-import { createContext, useEffect, useState } from 'react'
+import { createContext, useEffect } from 'react'
 import { Theme, useSettingsStore } from '@/stores/settings'
 
 type ThemeProviderProps = {
@@ -21,30 +21,32 @@ const ThemeProviderContext = createContext<ThemeProviderState>(initialState)
  * Component that provides the theme state and setter function to its children.
  */
 export default function ThemeProvider({ children, ...props }: ThemeProviderProps) {
-  const [theme, setTheme] = useState<Theme>(useSettingsStore.getState().theme)
+  const theme = useSettingsStore.use.theme()
+  const setTheme = useSettingsStore.use.setTheme()
 
   useEffect(() => {
     const root = window.document.documentElement
     root.classList.remove('light', 'dark')
 
     if (theme === 'system') {
-      const systemTheme = window.matchMedia('(prefers-color-scheme: dark)').matches
+      const mediaQuery = window.matchMedia('(prefers-color-scheme: dark)')
-        ? 'dark'
+      const handleChange = (e: MediaQueryListEvent) => {
-        : 'light'
+        root.classList.remove('light', 'dark')
-      root.classList.add(systemTheme)
+        root.classList.add(e.matches ? 'dark' : 'light')
-      setTheme(systemTheme)
-      return
       }
 
+      root.classList.add(mediaQuery.matches ? 'dark' : 'light')
+      mediaQuery.addEventListener('change', handleChange)
+
+      return () => mediaQuery.removeEventListener('change', handleChange)
+    } else {
       root.classList.add(theme)
+    }
   }, [theme])
 
   const value = {
     theme,
-    setTheme: (theme: Theme) => {
+    setTheme
-      useSettingsStore.getState().setTheme(theme)
-      setTheme(theme)
-    }
   }
 
   return (

lightrag_webui/src/components/graph/FocusOnNode.tsx

@@ -13,16 +13,25 @@ const FocusOnNode = ({ node, move }: { node: string | null; move?: boolean }) =>
    * When the selected item changes, highlighted the node and center the camera on it.
    */
   useEffect(() => {
-    if (!node) return
-    sigma.getGraph().setNodeAttribute(node, 'highlighted', true)
     if (move) {
+      if (node) {
+        sigma.getGraph().setNodeAttribute(node, 'highlighted', true)
         gotoNode(node)
+      } else {
+        // If no node is selected but move is true, reset to default view
+        sigma.setCustomBBox(null)
+        sigma.getCamera().animate({ x: 0.5, y: 0.5, ratio: 1 }, { duration: 0 })
+      }
       useGraphStore.getState().setMoveToSelectedNode(false)
+    } else if (node) {
+      sigma.getGraph().setNodeAttribute(node, 'highlighted', true)
     }
 
     return () => {
+      if (node) {
         sigma.getGraph().setNodeAttribute(node, 'highlighted', false)
       }
+    }
   }, [node, move, sigma, gotoNode])
 
   return null

lightrag_webui/src/components/graph/GraphControl.tsx

@@ -1,10 +1,11 @@
 import { useLoadGraph, useRegisterEvents, useSetSettings, useSigma } from '@react-sigma/core'
+import Graph from 'graphology'
 // import { useLayoutCircular } from '@react-sigma/layout-circular'
 import { useLayoutForceAtlas2 } from '@react-sigma/layout-forceatlas2'
 import { useEffect } from 'react'
 
 // import useRandomGraph, { EdgeType, NodeType } from '@/hooks/useRandomGraph'
-import useLightragGraph, { EdgeType, NodeType } from '@/hooks/useLightragGraph'
+import { EdgeType, NodeType } from '@/hooks/useLightragGraph'
 import useTheme from '@/hooks/useTheme'
 import * as Constants from '@/lib/constants'
 
@@ -21,7 +22,6 @@ const isButtonPressed = (ev: MouseEvent | TouchEvent) => {
 }
 
 const GraphControl = ({ disableHoverEffect }: { disableHoverEffect?: boolean }) => {
-  const { lightrageGraph } = useLightragGraph()
   const sigma = useSigma<NodeType, EdgeType>()
   const registerEvents = useRegisterEvents<NodeType, EdgeType>()
   const setSettings = useSetSettings<NodeType, EdgeType>()
@@ -34,21 +34,25 @@ const GraphControl = ({ disableHoverEffect }: { disableHoverEffect?: boolean })
 
   const { theme } = useTheme()
   const hideUnselectedEdges = useSettingsStore.use.enableHideUnselectedEdges()
+  const enableEdgeEvents = useSettingsStore.use.enableEdgeEvents()
+  const renderEdgeLabels = useSettingsStore.use.showEdgeLabel()
+  const renderLabels = useSettingsStore.use.showNodeLabel()
   const selectedNode = useGraphStore.use.selectedNode()
   const focusedNode = useGraphStore.use.focusedNode()
   const selectedEdge = useGraphStore.use.selectedEdge()
   const focusedEdge = useGraphStore.use.focusedEdge()
+  const sigmaGraph = useGraphStore.use.sigmaGraph()
 
   /**
    * When component mount or maxIterations changes
    * => load the graph and apply layout
    */
   useEffect(() => {
-    // Create & load the graph
+    if (sigmaGraph) {
-    const graph = lightrageGraph()
+      loadGraph(sigmaGraph as unknown as Graph<NodeType, EdgeType>)
-    loadGraph(graph)
       assignLayout()
-  }, [assignLayout, loadGraph, lightrageGraph, maxIterations])
+    }
+  }, [assignLayout, loadGraph, sigmaGraph, maxIterations])
 
   /**
    * When component mount
@@ -58,39 +62,52 @@ const GraphControl = ({ disableHoverEffect }: { disableHoverEffect?: boolean })
     const { setFocusedNode, setSelectedNode, setFocusedEdge, setSelectedEdge, clearSelection } =
       useGraphStore.getState()
 
-    // Register the events
+    // Define event types
-    registerEvents({
+    type NodeEvent = { node: string; event: { original: MouseEvent | TouchEvent } }
-      enterNode: (event) => {
+    type EdgeEvent = { edge: string; event: { original: MouseEvent | TouchEvent } }
+
+    // Register all events, but edge events will only be processed if enableEdgeEvents is true
+    const events: Record<string, any> = {
+      enterNode: (event: NodeEvent) => {
         if (!isButtonPressed(event.event.original)) {
           setFocusedNode(event.node)
         }
       },
-      leaveNode: (event) => {
+      leaveNode: (event: NodeEvent) => {
         if (!isButtonPressed(event.event.original)) {
           setFocusedNode(null)
         }
       },
-      clickNode: (event) => {
+      clickNode: (event: NodeEvent) => {
         setSelectedNode(event.node)
         setSelectedEdge(null)
       },
-      clickEdge: (event) => {
+      clickStage: () => clearSelection()
+    }
+
+    // Only add edge event handlers if enableEdgeEvents is true
+    if (enableEdgeEvents) {
+      events.clickEdge = (event: EdgeEvent) => {
         setSelectedEdge(event.edge)
         setSelectedNode(null)
-      },
+      }
-      enterEdge: (event) => {
+
+      events.enterEdge = (event: EdgeEvent) => {
         if (!isButtonPressed(event.event.original)) {
           setFocusedEdge(event.edge)
         }
-      },
+      }
-      leaveEdge: (event) => {
+
+      events.leaveEdge = (event: EdgeEvent) => {
         if (!isButtonPressed(event.event.original)) {
           setFocusedEdge(null)
         }
-      },
+      }
-      clickStage: () => clearSelection()
+    }
-    })
+
-  }, [registerEvents])
+    // Register the events
+    registerEvents(events)
+  }, [registerEvents, enableEdgeEvents])
 
   /**
    * When component mount or hovered node change
@@ -101,7 +118,14 @@ const GraphControl = ({ disableHoverEffect }: { disableHoverEffect?: boolean })
     const labelColor = isDarkTheme ? Constants.labelColorDarkTheme : undefined
     const edgeColor = isDarkTheme ? Constants.edgeColorDarkTheme : undefined
 
+    // Update all dynamic settings directly without recreating the sigma container
     setSettings({
+      // Update display settings
+      enableEdgeEvents,
+      renderEdgeLabels,
+      renderLabels,
+
+      // Node reducer for node appearance
       nodeReducer: (node, data) => {
         const graph = sigma.getGraph()
         const newData: NodeType & {
@@ -140,6 +164,8 @@ const GraphControl = ({ disableHoverEffect }: { disableHoverEffect?: boolean })
         }
         return newData
       },
+
+      // Edge reducer for edge appearance
       edgeReducer: (edge, data) => {
         const graph = sigma.getGraph()
         const newData = { ...data, hidden: false, labelColor, color: edgeColor }
@@ -181,7 +207,10 @@ const GraphControl = ({ disableHoverEffect }: { disableHoverEffect?: boolean })
     sigma,
     disableHoverEffect,
     theme,
-    hideUnselectedEdges
+    hideUnselectedEdges,
+    enableEdgeEvents,
+    renderEdgeLabels,
+    renderLabels
   ])
 
   return null

lightrag_webui/src/components/graph/GraphLabels.tsx

@@ -1,37 +1,48 @@
-import { useCallback } from 'react'
+import { useCallback, useEffect, useRef } from 'react'
 import { AsyncSelect } from '@/components/ui/AsyncSelect'
-import { getGraphLabels } from '@/api/lightrag'
 import { useSettingsStore } from '@/stores/settings'
 import { useGraphStore } from '@/stores/graph'
 import { labelListLimit } from '@/lib/constants'
 import MiniSearch from 'minisearch'
 import { useTranslation } from 'react-i18next'
 
-const lastGraph: any = {
-  graph: null,
-  searchEngine: null,
-  labels: []
-}
-
 const GraphLabels = () => {
   const { t } = useTranslation()
   const label = useSettingsStore.use.queryLabel()
-  const graph = useGraphStore.use.sigmaGraph()
+  const allDatabaseLabels = useGraphStore.use.allDatabaseLabels()
+  const labelsLoadedRef = useRef(false)
 
-  const getSearchEngine = useCallback(async () => {
+  // Track if a fetch is in progress to prevent multiple simultaneous fetches
-    if (lastGraph.graph == graph) {
+  const fetchInProgressRef = useRef(false)
-      return {
-        labels: lastGraph.labels,
-        searchEngine: lastGraph.searchEngine
-      }
-    }
-    const labels = ['*'].concat(await getGraphLabels())
 
-    // Ensure query label exists
+  // Fetch labels once on component mount, using global flag to prevent duplicates
-    if (!labels.includes(useSettingsStore.getState().queryLabel)) {
+  useEffect(() => {
-      useSettingsStore.getState().setQueryLabel(labels[0])
+    // Check if we've already attempted to fetch labels in this session
-    }
+    const labelsFetchAttempted = useGraphStore.getState().labelsFetchAttempted
 
+    // Only fetch if we haven't attempted in this session and no fetch is in progress
+    if (!labelsFetchAttempted && !fetchInProgressRef.current) {
+      fetchInProgressRef.current = true
+      // Set global flag to indicate we've attempted to fetch in this session
+      useGraphStore.getState().setLabelsFetchAttempted(true)
+
+      console.log('Fetching graph labels (once per session)...')
+
+      useGraphStore.getState().fetchAllDatabaseLabels()
+        .then(() => {
+          labelsLoadedRef.current = true
+          fetchInProgressRef.current = false
+        })
+        .catch((error) => {
+          console.error('Failed to fetch labels:', error)
+          fetchInProgressRef.current = false
+          // Reset global flag to allow retry
+          useGraphStore.getState().setLabelsFetchAttempted(false)
+        })
+    }
+  }, []) // Empty dependency array ensures this only runs once on mount
+
+  const getSearchEngine = useCallback(() => {
     // Create search engine
     const searchEngine = new MiniSearch({
       idField: 'id',
@@ -46,41 +57,32 @@ const GraphLabels = () => {
     })
 
     // Add documents
-    const documents = labels.map((str, index) => ({ id: index, value: str }))
+    const documents = allDatabaseLabels.map((str, index) => ({ id: index, value: str }))
     searchEngine.addAll(documents)
 
-    lastGraph.graph = graph
-    lastGraph.searchEngine = searchEngine
-    lastGraph.labels = labels
-
     return {
-      labels,
+      labels: allDatabaseLabels,
       searchEngine
     }
-  }, [graph])
+  }, [allDatabaseLabels])
 
   const fetchData = useCallback(
     async (query?: string): Promise<string[]> => {
-      const { labels, searchEngine } = await getSearchEngine()
+      const { labels, searchEngine } = getSearchEngine()
 
       let result: string[] = labels
       if (query) {
         // Search labels
-        result = searchEngine.search(query).map((r) => labels[r.id])
+        result = searchEngine.search(query).map((r: { id: number }) => labels[r.id])
       }
 
       return result.length <= labelListLimit
         ? result
-        : [...result.slice(0, labelListLimit), t('graphLabels.andOthers', { count: result.length - labelListLimit })]
+        : [...result.slice(0, labelListLimit), '...']
     },
     [getSearchEngine]
   )
 
-  const setQueryLabel = useCallback((label: string) => {
-    if (label.startsWith('And ') && label.endsWith(' others')) return
-    useSettingsStore.getState().setQueryLabel(label)
-  }, [])
-
   return (
     <AsyncSelect<string>
       className="ml-2"
@@ -94,8 +96,38 @@ const GraphLabels = () => {
       notFound={<div className="py-6 text-center text-sm">No labels found</div>}
       label={t('graphPanel.graphLabels.label')}
       placeholder={t('graphPanel.graphLabels.placeholder')}
-      value={label !== null ? label : ''}
+      value={label !== null ? label : '*'}
-      onChange={setQueryLabel}
+      onChange={(newLabel) => {
+        const currentLabel = useSettingsStore.getState().queryLabel
+
+        // select the last item means query all
+        if (newLabel === '...') {
+          newLabel = '*'
+        }
+
+        // Reset the fetch attempted flag to force a new data fetch
+        useGraphStore.getState().setGraphDataFetchAttempted(false)
+
+        // Clear current graph data to ensure complete reload when label changes
+        if (newLabel !== currentLabel) {
+          const graphStore = useGraphStore.getState();
+          graphStore.clearSelection();
+
+          // Reset the graph state but preserve the instance
+          if (graphStore.sigmaGraph) {
+            const nodes = Array.from(graphStore.sigmaGraph.nodes());
+            nodes.forEach(node => graphStore.sigmaGraph?.dropNode(node));
+          }
+        }
+
+        if (newLabel === currentLabel && newLabel !== '*') {
+          // reselect the same itme means qery all
+          useSettingsStore.getState().setQueryLabel('*')
+        } else {
+          useSettingsStore.getState().setQueryLabel(newLabel)
+        }
+      }}
+      clearable={false}  // Prevent clearing value on reselect
     />
   )
 }

lightrag_webui/src/components/graph/GraphSearch.tsx

@@ -1,4 +1,4 @@
-import { FC, useCallback, useMemo } from 'react'
+import { FC, useCallback, useEffect, useMemo } from 'react'
 import {
   EdgeById,
   NodeById,
@@ -28,6 +28,7 @@ function OptionComponent(item: OptionItem) {
 }
 
 const messageId = '__message_item'
+// Reset this cache when graph changes to ensure fresh search results
 const lastGraph: any = {
   graph: null,
   searchEngine: null
@@ -48,6 +49,15 @@ export const GraphSearchInput = ({
   const { t } = useTranslation()
   const graph = useGraphStore.use.sigmaGraph()
 
+  // Force reset the cache when graph changes
+  useEffect(() => {
+    if (graph) {
+      // Reset cache to ensure fresh search results with new graph data
+      lastGraph.graph = null;
+      lastGraph.searchEngine = null;
+    }
+  }, [graph]);
+
   const searchEngine = useMemo(() => {
     if (lastGraph.graph == graph) {
       return lastGraph.searchEngine
@@ -85,8 +95,19 @@ export const GraphSearchInput = ({
   const loadOptions = useCallback(
     async (query?: string): Promise<OptionItem[]> => {
       if (onFocus) onFocus(null)
-      if (!query || !searchEngine) return []
+      if (!graph || !searchEngine) return []
-      const result: OptionItem[] = searchEngine.search(query).map((r) => ({
+
+      // If no query, return first searchResultLimit nodes
+      if (!query) {
+        const nodeIds = graph.nodes().slice(0, searchResultLimit)
+        return nodeIds.map(id => ({
+          id,
+          type: 'nodes'
+        }))
+      }
+
+      // If has query, search nodes
+      const result: OptionItem[] = searchEngine.search(query).map((r: { id: string }) => ({
         id: r.id,
         type: 'nodes'
       }))
@@ -103,7 +124,7 @@ export const GraphSearchInput = ({
           }
         ]
     },
-    [searchEngine, onFocus]
+    [graph, searchEngine, onFocus, t]
   )
 
   return (

lightrag_webui/src/components/graph/PropertiesView.tsx

@@ -132,14 +132,22 @@ const PropertyRow = ({
   onClick?: () => void
   tooltip?: string
 }) => {
+  const { t } = useTranslation()
+
+  const getPropertyNameTranslation = (name: string) => {
+    const translationKey = `graphPanel.propertiesView.node.propertyNames.${name}`
+    const translation = t(translationKey)
+    return translation === translationKey ? name : translation
+  }
+
   return (
     <div className="flex items-center gap-2">
-      <label className="text-primary/60 tracking-wide">{name}</label>:
+      <label className="text-primary/60 tracking-wide whitespace-nowrap">{getPropertyNameTranslation(name)}</label>:
       <Text
-        className="hover:bg-primary/20 rounded p-1 text-ellipsis"
+        className="hover:bg-primary/20 rounded p-1 overflow-hidden text-ellipsis"
         tooltipClassName="max-w-80"
         text={value}
-        tooltip={tooltip || value}
+        tooltip={tooltip || (typeof value === 'string' ? value : JSON.stringify(value, null, 2))}
         side="left"
         onClick={onClick}
       />

lightrag_webui/src/components/graph/Settings.tsx

@@ -8,9 +8,10 @@ import Input from '@/components/ui/Input'
 import { controlButtonVariant } from '@/lib/constants'
 import { useSettingsStore } from '@/stores/settings'
 import { useBackendState } from '@/stores/state'
+import { useGraphStore } from '@/stores/graph'
 
-import { SettingsIcon } from 'lucide-react'
+import { SettingsIcon, RefreshCwIcon } from 'lucide-react'
-import { useTranslation } from "react-i18next";
+import { useTranslation } from 'react-i18next';
 
 /**
  * Component that displays a checkbox with a label.
@@ -114,6 +115,7 @@ const LabeledNumberInput = ({
 export default function Settings() {
   const [opened, setOpened] = useState<boolean>(false)
   const [tempApiKey, setTempApiKey] = useState<string>('')
+  const refreshLayout = useGraphStore.use.refreshLayout()
 
   const showPropertyPanel = useSettingsStore.use.showPropertyPanel()
   const showNodeSearchBar = useSettingsStore.use.showNodeSearchBar()
@@ -208,9 +210,18 @@ export default function Settings() {
   const { t } = useTranslation();
 
   return (
+    <>
+      <Button
+        variant={controlButtonVariant}
+        tooltip={t('graphPanel.sideBar.settings.refreshLayout')}
+        size="icon"
+        onClick={refreshLayout}
+      >
+        <RefreshCwIcon />
+      </Button>
       <Popover open={opened} onOpenChange={setOpened}>
         <PopoverTrigger asChild>
-        <Button variant={controlButtonVariant} tooltip={t("graphPanel.sideBar.settings.settings")} size="icon">
+          <Button variant={controlButtonVariant} tooltip={t('graphPanel.sideBar.settings.settings')} size="icon">
             <SettingsIcon />
           </Button>
         </PopoverTrigger>
@@ -224,7 +235,7 @@ export default function Settings() {
             <LabeledCheckBox
               checked={enableHealthCheck}
               onCheckedChange={setEnableHealthCheck}
-            label={t("graphPanel.sideBar.settings.healthCheck")}
+              label={t('graphPanel.sideBar.settings.healthCheck')}
             />
 
             <Separator />
@@ -232,12 +243,12 @@ export default function Settings() {
             <LabeledCheckBox
               checked={showPropertyPanel}
               onCheckedChange={setShowPropertyPanel}
-            label={t("graphPanel.sideBar.settings.showPropertyPanel")}
+              label={t('graphPanel.sideBar.settings.showPropertyPanel')}
             />
             <LabeledCheckBox
               checked={showNodeSearchBar}
               onCheckedChange={setShowNodeSearchBar}
-            label={t("graphPanel.sideBar.settings.showSearchBar")}
+              label={t('graphPanel.sideBar.settings.showSearchBar')}
             />
 
             <Separator />
@@ -245,12 +256,12 @@ export default function Settings() {
             <LabeledCheckBox
               checked={showNodeLabel}
               onCheckedChange={setShowNodeLabel}
-            label={t("graphPanel.sideBar.settings.showNodeLabel")}
+              label={t('graphPanel.sideBar.settings.showNodeLabel')}
             />
             <LabeledCheckBox
               checked={enableNodeDrag}
               onCheckedChange={setEnableNodeDrag}
-            label={t("graphPanel.sideBar.settings.nodeDraggable")}
+              label={t('graphPanel.sideBar.settings.nodeDraggable')}
             />
 
             <Separator />
@@ -258,50 +269,50 @@ export default function Settings() {
             <LabeledCheckBox
               checked={showEdgeLabel}
               onCheckedChange={setShowEdgeLabel}
-            label={t("graphPanel.sideBar.settings.showEdgeLabel")}
+              label={t('graphPanel.sideBar.settings.showEdgeLabel')}
             />
             <LabeledCheckBox
               checked={enableHideUnselectedEdges}
               onCheckedChange={setEnableHideUnselectedEdges}
-            label={t("graphPanel.sideBar.settings.hideUnselectedEdges")}
+              label={t('graphPanel.sideBar.settings.hideUnselectedEdges')}
             />
             <LabeledCheckBox
               checked={enableEdgeEvents}
               onCheckedChange={setEnableEdgeEvents}
-            label={t("graphPanel.sideBar.settings.edgeEvents")}
+              label={t('graphPanel.sideBar.settings.edgeEvents')}
             />
 
             <Separator />
             <LabeledNumberInput
-            label={t("graphPanel.sideBar.settings.maxQueryDepth")}
+              label={t('graphPanel.sideBar.settings.maxQueryDepth')}
               min={1}
               value={graphQueryMaxDepth}
               onEditFinished={setGraphQueryMaxDepth}
             />
             <LabeledNumberInput
-            label={t("graphPanel.sideBar.settings.minDegree")}
+              label={t('graphPanel.sideBar.settings.minDegree')}
               min={0}
               value={graphMinDegree}
               onEditFinished={setGraphMinDegree}
             />
             <LabeledNumberInput
-            label={t("graphPanel.sideBar.settings.maxLayoutIterations")}
+              label={t('graphPanel.sideBar.settings.maxLayoutIterations')}
               min={1}
-            max={20}
+              max={30}
               value={graphLayoutMaxIterations}
               onEditFinished={setGraphLayoutMaxIterations}
             />
             <Separator />
 
             <div className="flex flex-col gap-2">
-            <label className="text-sm font-medium">{t("graphPanel.sideBar.settings.apiKey")}</label>
+              <label className="text-sm font-medium">{t('graphPanel.sideBar.settings.apiKey')}</label>
               <form className="flex h-6 gap-2" onSubmit={(e) => e.preventDefault()}>
                 <div className="w-0 flex-1">
                   <Input
                     type="password"
                     value={tempApiKey}
                     onChange={handleTempApiKeyChange}
-                  placeholder={t("graphPanel.sideBar.settings.enterYourAPIkey")}
+                    placeholder={t('graphPanel.sideBar.settings.enterYourAPIkey')}
                     className="max-h-full w-full min-w-0"
                     autoComplete="off"
                   />
@@ -312,12 +323,13 @@ export default function Settings() {
                   size="sm"
                   className="max-h-full shrink-0"
                 >
-                {t("graphPanel.sideBar.settings.save")}
+                  {t('graphPanel.sideBar.settings.save')}
                 </Button>
               </form>
             </div>
           </div>
         </PopoverContent>
       </Popover>
+    </>
   )
 }

lightrag_webui/src/components/graph/SettingsDisplay.tsx

@@ -0,0 +1,21 @@
+import { useSettingsStore } from '@/stores/settings'
+import { useTranslation } from 'react-i18next'
+
+/**
+ * Component that displays current values of important graph settings
+ * Positioned to the right of the toolbar at the bottom-left corner
+ */
+const SettingsDisplay = () => {
+  const { t } = useTranslation()
+  const graphQueryMaxDepth = useSettingsStore.use.graphQueryMaxDepth()
+  const graphMinDegree = useSettingsStore.use.graphMinDegree()
+
+  return (
+    <div className="absolute bottom-2 left-[calc(2rem+2.5rem)] flex items-center gap-2 text-xs text-gray-400">
+      <div>{t('graphPanel.sideBar.settings.depth')}: {graphQueryMaxDepth}</div>
+      <div>{t('graphPanel.sideBar.settings.degree')}: {graphMinDegree}</div>
+    </div>
+  )
+}
+
+export default SettingsDisplay

lightrag_webui/src/components/retrieval/QuerySettings.tsx

@@ -25,7 +25,7 @@ export default function QuerySettings() {
   }, [])
 
   return (
-    <Card className="flex shrink-0 flex-col">
+    <Card className="flex shrink-0 flex-col min-w-[180px]">
       <CardHeader className="px-4 pt-4 pb-2">
         <CardTitle>{t('retrievePanel.querySettings.parametersTitle')}</CardTitle>
         <CardDescription>{t('retrievePanel.querySettings.parametersDescription')}</CardDescription>

lightrag_webui/src/components/ui/AsyncSearch.tsx

@@ -1,4 +1,4 @@
-import { useState, useEffect, useCallback } from 'react'
+import React, { useState, useEffect, useCallback } from 'react'
 import { Loader2 } from 'lucide-react'
 import { useDebounce } from '@/hooks/useDebounce'
 
@@ -193,7 +193,7 @@ export function AsyncSearch<T>({
             </div>
           )}
         </div>
-        <CommandList hidden={!open || debouncedSearchTerm.length === 0}>
+        <CommandList hidden={!open}>
           {error && <div className="text-destructive p-4 text-center">{error}</div>}
           {loading && options.length === 0 && (loadingSkeleton || <DefaultLoadingSkeleton />)}
           {!loading &&
@@ -204,7 +204,7 @@ export function AsyncSearch<T>({
             ))}
           <CommandGroup>
             {options.map((option, idx) => (
-              <>
+              <React.Fragment key={getOptionValue(option) + `-fragment-${idx}`}>
                 <CommandItem
                   key={getOptionValue(option) + `${idx}`}
                   value={getOptionValue(option)}
@@ -215,9 +215,9 @@ export function AsyncSearch<T>({
                   {renderOption(option)}
                 </CommandItem>
                 {idx !== options.length - 1 && (
-                  <div key={idx} className="bg-foreground/10 h-[1px]" />
+                  <div key={`divider-${idx}`} className="bg-foreground/10 h-[1px]" />
                 )}
-              </>
+              </React.Fragment>
             ))}
           </CommandGroup>
         </CommandList>

lightrag_webui/src/components/ui/TabContent.tsx

@@ -0,0 +1,37 @@
+import React, { useEffect } from 'react';
+import { useTabVisibility } from '@/contexts/useTabVisibility';
+
+interface TabContentProps {
+  tabId: string;
+  children: React.ReactNode;
+  className?: string;
+}
+
+/**
+ * TabContent component that manages visibility based on tab selection
+ * Works with the TabVisibilityContext to show/hide content based on active tab
+ */
+const TabContent: React.FC<TabContentProps> = ({ tabId, children, className = '' }) => {
+  const { isTabVisible, setTabVisibility } = useTabVisibility();
+  const isVisible = isTabVisible(tabId);
+
+  // Register this tab with the context when mounted
+  useEffect(() => {
+    setTabVisibility(tabId, true);
+
+    // Cleanup when unmounted
+    return () => {
+      setTabVisibility(tabId, false);
+    };
+  }, [tabId, setTabVisibility]);
+
+  // Use CSS to hide content instead of not rendering it
+  // This prevents components from unmounting when tabs are switched
+  return (
+    <div className={`${className} ${isVisible ? '' : 'hidden'}`}>
+      {children}
+    </div>
+  );
+};
+
+export default TabContent;

lightrag_webui/src/components/ui/Tabs.tsx

@@ -42,9 +42,13 @@ const TabsContent = React.forwardRef<
   <TabsPrimitive.Content
     ref={ref}
     className={cn(
-      'ring-offset-background focus-visible:ring-ring mt-2 focus-visible:ring-2 focus-visible:ring-offset-2 focus-visible:outline-none',
+      'ring-offset-background focus-visible:ring-ring focus-visible:ring-2 focus-visible:ring-offset-2 focus-visible:outline-none',
+      'data-[state=inactive]:invisible data-[state=active]:visible',
+      'h-full w-full',
       className
     )}
+    // Force mounting of inactive tabs to preserve WebGL contexts
+    forceMount
     {...props}
   />
 ))

lightrag_webui/src/components/ui/Tooltip.tsx

@@ -10,30 +10,43 @@ const TooltipTrigger = TooltipPrimitive.Trigger
 
 const processTooltipContent = (content: string) => {
   if (typeof content !== 'string') return content
-  return content.split('\\n').map((line, i) => (
+  return (
-    <React.Fragment key={i}>
+    <div className="relative top-0 pt-1 whitespace-pre-wrap break-words">
-      {line}
+      {content}
-      {i < content.split('\\n').length - 1 && <br />}
+    </div>
-    </React.Fragment>
+  )
-  ))
 }
 
 const TooltipContent = React.forwardRef<
   React.ComponentRef<typeof TooltipPrimitive.Content>,
-  React.ComponentPropsWithoutRef<typeof TooltipPrimitive.Content>
+  React.ComponentPropsWithoutRef<typeof TooltipPrimitive.Content> & {
->(({ className, sideOffset = 4, children, ...props }, ref) => (
+    side?: 'top' | 'right' | 'bottom' | 'left'
+    align?: 'start' | 'center' | 'end'
+  }
+>(({ className, side = 'left', align = 'start', children, ...props }, ref) => {
+  const contentRef = React.useRef<HTMLDivElement>(null);
+
+  React.useEffect(() => {
+    if (contentRef.current) {
+      contentRef.current.scrollTop = 0;
+    }
+  }, [children]);
+
+  return (
     <TooltipPrimitive.Content
       ref={ref}
-    sideOffset={sideOffset}
+      side={side}
+      align={align}
       className={cn(
-      'bg-popover text-popover-foreground animate-in fade-in-0 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 z-50 mx-1 max-w-sm overflow-hidden rounded-md border px-3 py-2 text-sm shadow-md',
+        'bg-popover text-popover-foreground animate-in fade-in-0 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 max-h-[60vh] overflow-y-auto whitespace-pre-wrap break-words rounded-md border px-3 py-2 text-sm shadow-md',
         className
       )}
       {...props}
     >
       {typeof children === 'string' ? processTooltipContent(children) : children}
     </TooltipPrimitive.Content>
-))
+  );
+})
 TooltipContent.displayName = TooltipPrimitive.Content.displayName
 
 export { Tooltip, TooltipTrigger, TooltipContent, TooltipProvider }

lightrag_webui/src/contexts/TabVisibilityProvider.tsx

@@ -0,0 +1,53 @@
+import React, { useState, useEffect, useMemo } from 'react';
+import { TabVisibilityContext } from './context';
+import { TabVisibilityContextType } from './types';
+import { useSettingsStore } from '@/stores/settings';
+
+interface TabVisibilityProviderProps {
+  children: React.ReactNode;
+}
+
+/**
+ * Provider component for the TabVisibility context
+ * Manages the visibility state of tabs throughout the application
+ */
+export const TabVisibilityProvider: React.FC<TabVisibilityProviderProps> = ({ children }) => {
+  // Get current tab from settings store
+  const currentTab = useSettingsStore.use.currentTab();
+
+  // Initialize visibility state with current tab as visible
+  const [visibleTabs, setVisibleTabs] = useState<Record<string, boolean>>(() => ({
+    [currentTab]: true
+  }));
+
+  // Update visibility when current tab changes
+  useEffect(() => {
+    setVisibleTabs((prev) => ({
+      ...prev,
+      [currentTab]: true
+    }));
+  }, [currentTab]);
+
+  // Create the context value with memoization to prevent unnecessary re-renders
+  const contextValue = useMemo<TabVisibilityContextType>(
+    () => ({
+      visibleTabs,
+      setTabVisibility: (tabId: string, isVisible: boolean) => {
+        setVisibleTabs((prev) => ({
+          ...prev,
+          [tabId]: isVisible,
+        }));
+      },
+      isTabVisible: (tabId: string) => !!visibleTabs[tabId],
+    }),
+    [visibleTabs]
+  );
+
+  return (
+    <TabVisibilityContext.Provider value={contextValue}>
+      {children}
+    </TabVisibilityContext.Provider>
+  );
+};
+
+export default TabVisibilityProvider;

lightrag_webui/src/contexts/context.ts

@@ -0,0 +1,12 @@
+import { createContext } from 'react';
+import { TabVisibilityContextType } from './types';
+
+// Default context value
+const defaultContext: TabVisibilityContextType = {
+  visibleTabs: {},
+  setTabVisibility: () => {},
+  isTabVisible: () => false,
+};
+
+// Create the context
+export const TabVisibilityContext = createContext<TabVisibilityContextType>(defaultContext);

lightrag_webui/src/contexts/types.ts

@@ -0,0 +1,5 @@
+export interface TabVisibilityContextType {
+  visibleTabs: Record<string, boolean>;
+  setTabVisibility: (tabId: string, isVisible: boolean) => void;
+  isTabVisible: (tabId: string) => boolean;
+}

lightrag_webui/src/contexts/useTabVisibility.ts

@@ -0,0 +1,17 @@
+import { useContext } from 'react';
+import { TabVisibilityContext } from './context';
+import { TabVisibilityContextType } from './types';
+
+/**
+ * Custom hook to access the tab visibility context
+ * @returns The tab visibility context
+ */
+export const useTabVisibility = (): TabVisibilityContextType => {
+  const context = useContext(TabVisibilityContext);
+
+  if (!context) {
+    throw new Error('useTabVisibility must be used within a TabVisibilityProvider');
+  }
+
+  return context;
+};

lightrag_webui/src/features/ApiSite.tsx

@@ -1,5 +1,40 @@
+import { useState, useEffect } from 'react'
+import { useTabVisibility } from '@/contexts/useTabVisibility'
 import { backendBaseUrl } from '@/lib/constants'
+import { useTranslation } from 'react-i18next'
 
 export default function ApiSite() {
-  return <iframe src={backendBaseUrl + '/docs'} className="size-full" />
+  const { t } = useTranslation()
+  const { isTabVisible } = useTabVisibility()
+  const isApiTabVisible = isTabVisible('api')
+  const [iframeLoaded, setIframeLoaded] = useState(false)
+
+  // Load the iframe once on component mount
+  useEffect(() => {
+    if (!iframeLoaded) {
+      setIframeLoaded(true)
+    }
+  }, [iframeLoaded])
+
+  // Use CSS to hide content when tab is not visible
+  return (
+    <div className={`size-full ${isApiTabVisible ? '' : 'hidden'}`}>
+      {iframeLoaded ? (
+        <iframe
+          src={backendBaseUrl + '/docs'}
+          className="size-full w-full h-full"
+          style={{ width: '100%', height: '100%', border: 'none' }}
+          // Use key to ensure iframe doesn't reload
+          key="api-docs-iframe"
+        />
+      ) : (
+        <div className="flex h-full w-full items-center justify-center bg-background">
+          <div className="text-center">
+            <div className="mb-2 h-8 w-8 animate-spin rounded-full border-4 border-primary border-t-transparent"></div>
+            <p>{t('apiSite.loading')}</p>
+          </div>
+        </div>
+      )}
+    </div>
+  )
 }

lightrag_webui/src/features/DocumentManager.tsx

@@ -1,5 +1,6 @@
-import { useState, useEffect, useCallback } from 'react'
+import { useState, useEffect, useCallback, useRef } from 'react'
 import { useTranslation } from 'react-i18next'
+import { useTabVisibility } from '@/contexts/useTabVisibility'
 import Button from '@/components/ui/Button'
 import {
   Table,
@@ -26,6 +27,9 @@ export default function DocumentManager() {
   const { t } = useTranslation()
   const health = useBackendState.use.health()
   const [docs, setDocs] = useState<DocsStatusesResponse | null>(null)
+  const { isTabVisible } = useTabVisibility()
+  const isDocumentsTabVisible = isTabVisible('documents')
+  const initialLoadRef = useRef(false)
 
   const fetchDocuments = useCallback(async () => {
     try {
@@ -48,11 +52,15 @@ export default function DocumentManager() {
     } catch (err) {
       toast.error(t('documentPanel.documentManager.errors.loadFailed', { error: errorMessage(err) }))
     }
-  }, [setDocs])
+  }, [setDocs, t])
 
+  // Only fetch documents when the tab becomes visible for the first time
   useEffect(() => {
+    if (isDocumentsTabVisible && !initialLoadRef.current) {
       fetchDocuments()
-  }, []) // eslint-disable-line react-hooks/exhaustive-deps
+      initialLoadRef.current = true
+    }
+  }, [isDocumentsTabVisible, fetchDocuments])
 
   const scanDocuments = useCallback(async () => {
     try {
@@ -61,21 +69,24 @@ export default function DocumentManager() {
     } catch (err) {
       toast.error(t('documentPanel.documentManager.errors.scanFailed', { error: errorMessage(err) }))
     }
-  }, [])
+  }, [t])
 
+  // Only set up polling when the tab is visible and health is good
   useEffect(() => {
-    const interval = setInterval(async () => {
+    if (!isDocumentsTabVisible || !health) {
-      if (!health) {
       return
     }
+
+    const interval = setInterval(async () => {
       try {
         await fetchDocuments()
       } catch (err) {
         toast.error(t('documentPanel.documentManager.errors.scanProgressFailed', { error: errorMessage(err) }))
       }
     }, 5000)
+
     return () => clearInterval(interval)
-  }, [health, fetchDocuments])
+  }, [health, fetchDocuments, t, isDocumentsTabVisible])
 
   return (
     <Card className="!size-full !rounded-none !border-none">

lightrag_webui/src/features/GraphViewer.tsx

@@ -1,4 +1,5 @@
-import { useEffect, useState, useCallback, useMemo } from 'react'
+import { useEffect, useState, useCallback, useMemo, useRef } from 'react'
+import { useTabVisibility } from '@/contexts/useTabVisibility'
 // import { MiniMap } from '@react-sigma/minimap'
 import { SigmaContainer, useRegisterEvents, useSigma } from '@react-sigma/core'
 import { Settings as SigmaSettings } from 'sigma/settings'
@@ -17,6 +18,7 @@ import Settings from '@/components/graph/Settings'
 import GraphSearch from '@/components/graph/GraphSearch'
 import GraphLabels from '@/components/graph/GraphLabels'
 import PropertiesView from '@/components/graph/PropertiesView'
+import SettingsDisplay from '@/components/graph/SettingsDisplay'
 
 import { useSettingsStore } from '@/stores/settings'
 import { useGraphStore } from '@/stores/graph'
@@ -90,8 +92,12 @@ const GraphEvents = () => {
         }
       },
       // Disable the autoscale at the first down interaction
-      mousedown: () => {
+      mousedown: (e) => {
-        if (!sigma.getCustomBBox()) sigma.setCustomBBox(sigma.getBBox())
+        // Only set custom BBox if it's a drag operation (mouse button is pressed)
+        const mouseEvent = e.original as MouseEvent;
+        if (mouseEvent.buttons !== 0 && !sigma.getCustomBBox()) {
+          sigma.setCustomBBox(sigma.getBBox())
+        }
       }
     })
   }, [registerEvents, sigma, draggedNode])
@@ -101,27 +107,46 @@ const GraphEvents = () => {
 
 const GraphViewer = () => {
   const [sigmaSettings, setSigmaSettings] = useState(defaultSigmaSettings)
+  const sigmaRef = useRef<any>(null)
+  const initAttemptedRef = useRef(false)
 
   const selectedNode = useGraphStore.use.selectedNode()
   const focusedNode = useGraphStore.use.focusedNode()
   const moveToSelectedNode = useGraphStore.use.moveToSelectedNode()
+  const isFetching = useGraphStore.use.isFetching()
+  const shouldRender = useGraphStore.use.shouldRender() // Rendering control state
+
+  // Get tab visibility
+  const { isTabVisible } = useTabVisibility()
+  const isGraphTabVisible = isTabVisible('knowledge-graph')
 
   const showPropertyPanel = useSettingsStore.use.showPropertyPanel()
   const showNodeSearchBar = useSettingsStore.use.showNodeSearchBar()
-  const renderLabels = useSettingsStore.use.showNodeLabel()
-
-  const enableEdgeEvents = useSettingsStore.use.enableEdgeEvents()
   const enableNodeDrag = useSettingsStore.use.enableNodeDrag()
-  const renderEdgeLabels = useSettingsStore.use.showEdgeLabel()
 
+  // Handle component mount/unmount and tab visibility
   useEffect(() => {
-    setSigmaSettings({
+    // When component mounts or tab becomes visible
-      ...defaultSigmaSettings,
+    if (isGraphTabVisible && !shouldRender && !isFetching && !initAttemptedRef.current) {
-      enableEdgeEvents,
+      // If tab is visible but graph is not rendering, try to enable rendering
-      renderEdgeLabels,
+      useGraphStore.getState().setShouldRender(true)
-      renderLabels
+      initAttemptedRef.current = true
-    })
+      console.log('Graph viewer initialized')
-  }, [renderLabels, enableEdgeEvents, renderEdgeLabels])
+    }
+
+    // Cleanup function when component unmounts
+    return () => {
+      // Only log cleanup, don't actually clean up the WebGL context
+      // This allows the WebGL context to persist across tab switches
+      console.log('Graph viewer cleanup')
+    }
+  }, [isGraphTabVisible, shouldRender, isFetching])
+
+  // Initialize sigma settings once on component mount
+  // All dynamic settings will be updated in GraphControl using useSetSettings
+  useEffect(() => {
+    setSigmaSettings(defaultSigmaSettings)
+  }, [])
 
   const onSearchFocus = useCallback((value: GraphSearchOption | null) => {
     if (value === null) useGraphStore.getState().setFocusedNode(null)
@@ -142,8 +167,17 @@ const GraphViewer = () => {
     [selectedNode]
   )
 
+  // Since TabsContent now forces mounting of all tabs, we need to conditionally render
+  // the SigmaContainer based on visibility to avoid unnecessary rendering
   return (
-    <SigmaContainer settings={sigmaSettings} className="!bg-background !size-full overflow-hidden">
+    <div className="relative h-full w-full">
+      {/* Only render the SigmaContainer when the tab is visible */}
+      {isGraphTabVisible ? (
+        <SigmaContainer
+          settings={sigmaSettings}
+          className="!bg-background !size-full overflow-hidden"
+          ref={sigmaRef}
+        >
           <GraphControl />
 
           {enableNodeDrag && <GraphEvents />}
@@ -178,7 +212,28 @@ const GraphViewer = () => {
           {/* <div className="absolute bottom-2 right-2 flex flex-col rounded-xl border-2">
             <MiniMap width="100px" height="100px" />
           </div> */}
+
+          <SettingsDisplay />
         </SigmaContainer>
+      ) : (
+        // Placeholder when tab is not visible
+        <div className="flex h-full w-full items-center justify-center">
+          <div className="text-center text-muted-foreground">
+            {/* Placeholder content */}
+          </div>
+        </div>
+      )}
+
+      {/* Loading overlay - shown when data is loading */}
+      {isFetching && (
+        <div className="absolute inset-0 flex items-center justify-center bg-background/80 z-10">
+          <div className="text-center">
+            <div className="mb-2 h-8 w-8 animate-spin rounded-full border-4 border-primary border-t-transparent"></div>
+            <p>Loading Graph Data...</p>
+          </div>
+        </div>
+      )}
+    </div>
   )
 }
 

lightrag_webui/src/features/SiteHeader.tsx

@@ -1,6 +1,6 @@
 import Button from '@/components/ui/Button'
 import { SiteInfo } from '@/lib/constants'
-import ThemeToggle from '@/components/ThemeToggle'
+import AppSettings from '@/components/AppSettings'
 import { TabsList, TabsTrigger } from '@/components/ui/Tabs'
 import { useSettingsStore } from '@/stores/settings'
 import { cn } from '@/lib/utils'
@@ -67,12 +67,14 @@ export default function SiteHeader() {
       </div>
 
       <nav className="flex items-center">
+        <div className="flex items-center gap-2">
           <Button variant="ghost" size="icon" side="bottom" tooltip={t('header.projectRepository')}>
             <a href={SiteInfo.github} target="_blank" rel="noopener noreferrer">
               <GithubIcon className="size-4" aria-hidden="true" />
             </a>
           </Button>
-        <ThemeToggle />
+          <AppSettings />
+        </div>
       </nav>
     </header>
   )

lightrag_webui/src/hooks/useLightragGraph.tsx

@@ -1,11 +1,12 @@
 import Graph, { DirectedGraph } from 'graphology'
-import { useCallback, useEffect } from 'react'
+import { useCallback, useEffect, useRef } from 'react'
 import { randomColor, errorMessage } from '@/lib/utils'
 import * as Constants from '@/lib/constants'
 import { useGraphStore, RawGraph } from '@/stores/graph'
 import { queryGraphs } from '@/api/lightrag'
 import { useBackendState } from '@/stores/state'
 import { useSettingsStore } from '@/stores/settings'
+import { useTabVisibility } from '@/contexts/useTabVisibility'
 
 import seedrandom from 'seedrandom'
 
@@ -136,15 +137,23 @@ const fetchGraph = async (label: string, maxDepth: number, minDegree: number) =>
   return rawGraph
 }
 
+// Create a new graph instance with the raw graph data
 const createSigmaGraph = (rawGraph: RawGraph | null) => {
+  // Always create a new graph instance
   const graph = new DirectedGraph()
 
+  // Add nodes from raw graph data
   for (const rawNode of rawGraph?.nodes ?? []) {
+    // Ensure we have fresh random positions for nodes
+    seedrandom(rawNode.id + Date.now().toString(), { global: true })
+    const x = Math.random()
+    const y = Math.random()
+
     graph.addNode(rawNode.id, {
       label: rawNode.labels.join(', '),
       color: rawNode.color,
-      x: rawNode.x,
+      x: x,
-      y: rawNode.y,
+      y: y,
       size: rawNode.size,
       // for node-border
       borderColor: Constants.nodeBorderColor,
@@ -152,6 +161,7 @@ const createSigmaGraph = (rawGraph: RawGraph | null) => {
     })
   }
 
+  // Add edges from raw graph data
   for (const rawEdge of rawGraph?.edges ?? []) {
     rawEdge.dynamicId = graph.addDirectedEdge(rawEdge.source, rawEdge.target, {
       label: rawEdge.type || undefined
@@ -161,14 +171,30 @@ const createSigmaGraph = (rawGraph: RawGraph | null) => {
   return graph
 }
 
-const lastQueryLabel = { label: '', maxQueryDepth: 0, minDegree: 0 }
-
 const useLightrangeGraph = () => {
   const queryLabel = useSettingsStore.use.queryLabel()
   const rawGraph = useGraphStore.use.rawGraph()
   const sigmaGraph = useGraphStore.use.sigmaGraph()
   const maxQueryDepth = useSettingsStore.use.graphQueryMaxDepth()
   const minDegree = useSettingsStore.use.graphMinDegree()
+  const isFetching = useGraphStore.use.isFetching()
+
+  // Get tab visibility
+  const { isTabVisible } = useTabVisibility()
+  const isGraphTabVisible = isTabVisible('knowledge-graph')
+
+  // Track previous parameters to detect actual changes
+  const prevParamsRef = useRef({ queryLabel, maxQueryDepth, minDegree })
+
+  // Use ref to track if data has been loaded and initial load
+  const dataLoadedRef = useRef(false)
+  const initialLoadRef = useRef(false)
+
+  // Check if parameters have changed
+  const paramsChanged =
+    prevParamsRef.current.queryLabel !== queryLabel ||
+    prevParamsRef.current.maxQueryDepth !== maxQueryDepth ||
+    prevParamsRef.current.minDegree !== minDegree
 
   const getNode = useCallback(
     (nodeId: string) => {
@@ -184,35 +210,131 @@ const useLightrangeGraph = () => {
     [rawGraph]
   )
 
-  useEffect(() => {
+  // Track if a fetch is in progress to prevent multiple simultaneous fetches
-    if (queryLabel) {
+  const fetchInProgressRef = useRef(false)
-      if (lastQueryLabel.label !== queryLabel ||
-          lastQueryLabel.maxQueryDepth !== maxQueryDepth ||
-          lastQueryLabel.minDegree !== minDegree) {
-        lastQueryLabel.label = queryLabel
-        lastQueryLabel.maxQueryDepth = maxQueryDepth
-        lastQueryLabel.minDegree = minDegree
 
+  // Data fetching logic - simplified but preserving TAB visibility check
+  useEffect(() => {
+    // Skip if fetch is already in progress
+    if (fetchInProgressRef.current) {
+      return
+    }
+
+    // If there's no query label, reset the graph
+    if (!queryLabel) {
+      if (rawGraph !== null || sigmaGraph !== null) {
         const state = useGraphStore.getState()
         state.reset()
-        fetchGraph(queryLabel, maxQueryDepth, minDegree).then((data) => {
+        state.setGraphDataFetchAttempted(false)
-          // console.debug('Query label: ' + queryLabel)
+        state.setLabelsFetchAttempted(false)
-          state.setSigmaGraph(createSigmaGraph(data))
+      }
-          data?.buildDynamicMap()
+      dataLoadedRef.current = false
-          state.setRawGraph(data)
+      initialLoadRef.current = false
+      return
+    }
+
+    // Check if parameters have changed
+    if (!isFetching && !fetchInProgressRef.current &&
+        (paramsChanged || !useGraphStore.getState().graphDataFetchAttempted)) {
+
+      // Only fetch data if the Graph tab is visible
+      if (!isGraphTabVisible) {
+        console.log('Graph tab not visible, skipping data fetch');
+        return;
+      }
+
+      // Set flags
+      fetchInProgressRef.current = true
+      useGraphStore.getState().setGraphDataFetchAttempted(true)
+
+      const state = useGraphStore.getState()
+      state.setIsFetching(true)
+      state.setShouldRender(false) // Disable rendering during data loading
+
+      // Clear selection and highlighted nodes before fetching new graph
+      state.clearSelection()
+      if (state.sigmaGraph) {
+        state.sigmaGraph.forEachNode((node) => {
+          state.sigmaGraph?.setNodeAttribute(node, 'highlighted', false)
         })
       }
-    } else {
+
+      // Update parameter reference
+      prevParamsRef.current = { queryLabel, maxQueryDepth, minDegree }
+
+      console.log('Fetching graph data...')
+
+      // Use a local copy of the parameters
+      const currentQueryLabel = queryLabel
+      const currentMaxQueryDepth = maxQueryDepth
+      const currentMinDegree = minDegree
+
+      // Fetch graph data
+      fetchGraph(currentQueryLabel, currentMaxQueryDepth, currentMinDegree).then((data) => {
         const state = useGraphStore.getState()
+
+        // Reset state
         state.reset()
-      state.setSigmaGraph(new DirectedGraph())
+
+        // Create and set new graph directly
+        const newSigmaGraph = createSigmaGraph(data)
+        data?.buildDynamicMap()
+
+        // Set new graph data
+        state.setSigmaGraph(newSigmaGraph)
+        state.setRawGraph(data)
+
+        // No longer need to extract labels from graph data
+
+        // Update flags
+        dataLoadedRef.current = true
+        initialLoadRef.current = true
+        fetchInProgressRef.current = false
+
+        // Reset camera view
+        state.setMoveToSelectedNode(true)
+
+        // Enable rendering if the tab is visible
+        state.setShouldRender(isGraphTabVisible)
+        state.setIsFetching(false)
+      }).catch((error) => {
+        console.error('Error fetching graph data:', error)
+
+        // Reset state on error
+        const state = useGraphStore.getState()
+        state.setIsFetching(false)
+        state.setShouldRender(isGraphTabVisible)
+        dataLoadedRef.current = false
+        fetchInProgressRef.current = false
+        state.setGraphDataFetchAttempted(false)
+      })
     }
-  }, [queryLabel, maxQueryDepth, minDegree])
+  }, [queryLabel, maxQueryDepth, minDegree, isFetching, paramsChanged, isGraphTabVisible, rawGraph, sigmaGraph])
+
+  // Update rendering state and handle tab visibility changes
+  useEffect(() => {
+    // When tab becomes visible
+    if (isGraphTabVisible) {
+      // If we have data, enable rendering
+      if (rawGraph) {
+        useGraphStore.getState().setShouldRender(true)
+      }
+
+      // We no longer reset the fetch attempted flag here to prevent continuous API calls
+    } else {
+      // When tab becomes invisible, disable rendering
+      useGraphStore.getState().setShouldRender(false)
+    }
+  }, [isGraphTabVisible, rawGraph])
 
   const lightrageGraph = useCallback(() => {
+    // If we already have a graph instance, return it
     if (sigmaGraph) {
       return sigmaGraph as Graph<NodeType, EdgeType>
     }
+
+    // If no graph exists yet, create a new one and store it
+    console.log('Creating new Sigma graph instance')
     const graph = new DirectedGraph()
     useGraphStore.getState().setSigmaGraph(graph)
     return graph as Graph<NodeType, EdgeType>

lightrag_webui/src/i18n.js

@@ -1,21 +0,0 @@
-import i18n from "i18next";
-import { initReactI18next } from "react-i18next";
-
-import en from "./locales/en.json";
-import zh from "./locales/zh.json";
-
-i18n
-  .use(initReactI18next)
-  .init({
-    resources: {
-      en: { translation: en },
-      zh: { translation: zh }
-    },
-    lng: "en", // default
-    fallbackLng: "en",
-    interpolation: {
-      escapeValue: false
-    }
-  });
-
-export default i18n;

lightrag_webui/src/i18n.ts

@@ -0,0 +1,37 @@
+import i18n from 'i18next'
+import { initReactI18next } from 'react-i18next'
+import { useSettingsStore } from '@/stores/settings'
+
+import en from './locales/en.json'
+import zh from './locales/zh.json'
+
+// Function to sync i18n with store state
+export const initializeI18n = async (): Promise<typeof i18n> => {
+  // Get initial language from store
+  const initialLanguage = useSettingsStore.getState().language
+
+  // Initialize with store language
+  await i18n.use(initReactI18next).init({
+    resources: {
+      en: { translation: en },
+      zh: { translation: zh }
+    },
+    lng: initialLanguage,
+    fallbackLng: 'en',
+    interpolation: {
+      escapeValue: false
+    }
+  })
+
+  // Subscribe to language changes
+  useSettingsStore.subscribe((state) => {
+    const currentLanguage = state.language
+    if (i18n.language !== currentLanguage) {
+      i18n.changeLanguage(currentLanguage)
+    }
+  })
+
+  return i18n
+}
+
+export default i18n

lightrag_webui/src/lib/constants.ts

@@ -15,8 +15,8 @@ export const edgeColorDarkTheme = '#969696'
 export const edgeColorSelected = '#F57F17'
 export const edgeColorHighlighted = '#B2EBF2'
 
-export const searchResultLimit = 20
+export const searchResultLimit = 50
-export const labelListLimit = 40
+export const labelListLimit = 100
 
 export const minNodeSize = 4
 export const maxNodeSize = 20

lightrag_webui/src/locales/en.json

@@ -1,4 +1,11 @@
 {
+  "settings": {
+    "language": "Language",
+    "theme": "Theme",
+    "light": "Light",
+    "dark": "Dark",
+    "system": "System"
+  },
   "header": {
     "documents": "Documents",
     "knowledgeGraph": "Knowledge Graph",
@@ -79,9 +86,12 @@
         "maxQueryDepth": "Max Query Depth",
         "minDegree": "Minimum Degree",
         "maxLayoutIterations": "Max Layout Iterations",
+        "depth": "Depth",
+        "degree": "Degree",
         "apiKey": "API Key",
         "enterYourAPIkey": "Enter your API key",
-        "save": "Save"
+        "save": "Save",
+        "refreshLayout": "Refresh Layout"
       },
 
       "zoomControl": {
@@ -140,7 +150,14 @@
         "labels": "Labels",
         "degree": "Degree",
         "properties": "Properties",
-        "relationships": "Relationships"
+        "relationships": "Relationships",
+        "propertyNames": {
+          "description": "Description",
+          "entity_id": "Name",
+          "entity_type": "Type",
+          "source_id": "SrcID",
+          "Neighbour": "Neigh"
+        }
       },
       "edge": {
         "title": "Relationship",
@@ -230,5 +247,8 @@
       "streamResponse": "Stream Response",
       "streamResponseTooltip": "If True, enables streaming output for real-time responses"
     }
+  },
+  "apiSite": {
+    "loading": "Loading API Documentation..."
   }
 }

lightrag_webui/src/locales/zh.json

@@ -1,4 +1,11 @@
 {
+  "settings": {
+    "language": "语言",
+    "theme": "主题",
+    "light": "浅色",
+    "dark": "深色",
+    "system": "系统"
+  },
   "header": {
     "documents": "文档",
     "knowledgeGraph": "知识图谱",
@@ -6,41 +13,41 @@
     "api": "API",
     "projectRepository": "项目仓库",
     "themeToggle": {
-      "switchToLight": "切换到亮色主题",
+      "switchToLight": "切换到浅色主题",
-      "switchToDark": "切换到暗色主题"
+      "switchToDark": "切换到深色主题"
     }
   },
   "documentPanel": {
     "clearDocuments": {
-      "button": "清除",
+      "button": "清空",
-      "tooltip": "清除文档",
+      "tooltip": "清空文档",
-      "title": "清除文档",
+      "title": "清空文档",
-      "confirm": "您确定要清除所有文档吗？",
+      "confirm": "确定要清空所有文档吗？",
       "confirmButton": "确定",
-      "success": "文档已成功清除",
+      "success": "文档清空成功",
-      "failed": "清除文档失败:\n{{message}}",
+      "failed": "清空文档失败：\n{{message}}",
-      "error": "清除文档失败:\n{{error}}"
+      "error": "清空文档失败：\n{{error}}"
     },
     "uploadDocuments": {
       "button": "上传",
       "tooltip": "上传文档",
       "title": "上传文档",
-      "description": "拖放文档到此处或点击浏览。",
+      "description": "拖拽文件到此处或点击浏览",
-      "uploading": "正在上传 {{name}}: {{percent}}%",
+      "uploading": "正在上传 {{name}}：{{percent}}%",
-      "success": "上传成功:\n{{name}} 上传成功",
+      "success": "上传成功：\n{{name}} 上传完成",
-      "failed": "上传失败:\n{{name}}\n{{message}}",
+      "failed": "上传失败：\n{{name}}\n{{message}}",
-      "error": "上传失败:\n{{name}}\n{{error}}",
+      "error": "上传失败：\n{{name}}\n{{error}}",
       "generalError": "上传失败\n{{error}}",
-      "fileTypes": "支持的文件类型: TXT, MD, DOCX, PDF, PPTX, RTF, ODT, EPUB, HTML, HTM, TEX, JSON, XML, YAML, YML, CSV, LOG, CONF, INI, PROPERTIES, SQL, BAT, SH, C, CPP, PY, JAVA, JS, TS, SWIFT, GO, RB, PHP, CSS, SCSS, LESS"
+      "fileTypes": "支持的文件类型：TXT, MD, DOCX, PDF, PPTX, RTF, ODT, EPUB, HTML, HTM, TEX, JSON, XML, YAML, YML, CSV, LOG, CONF, INI, PROPERTIES, SQL, BAT, SH, C, CPP, PY, JAVA, JS, TS, SWIFT, GO, RB, PHP, CSS, SCSS, LESS"
     },
     "documentManager": {
       "title": "文档管理",
       "scanButton": "扫描",
       "scanTooltip": "扫描文档",
       "uploadedTitle": "已上传文档",
-      "uploadedDescription": "已上传文档及其状态列表。",
+      "uploadedDescription": "已上传文档列表及其状态",
-      "emptyTitle": "暂无文档",
+      "emptyTitle": "无文档",
-      "emptyDescription": "尚未上传任何文档。",
+      "emptyDescription": "还没有上传任何文档",
       "columns": {
         "id": "ID",
         "summary": "摘要",
@@ -54,7 +61,7 @@
       "status": {
         "completed": "已完成",
         "processing": "处理中",
-        "pending": "待处理",
+        "pending": "等待中",
         "failed": "失败"
       },
       "errors": {
@@ -74,39 +81,39 @@
         "showNodeLabel": "显示节点标签",
         "nodeDraggable": "节点可拖动",
         "showEdgeLabel": "显示边标签",
-        "hideUnselectedEdges": "隐藏未选中边",
+        "hideUnselectedEdges": "隐藏未选中的边",
         "edgeEvents": "边事件",
         "maxQueryDepth": "最大查询深度",
         "minDegree": "最小度数",
         "maxLayoutIterations": "最大布局迭代次数",
+        "depth": "深度",
+        "degree": "邻边",
         "apiKey": "API密钥",
         "enterYourAPIkey": "输入您的API密钥",
-        "save": "保存"
+        "save": "保存",
+        "refreshLayout": "刷新布局"
       },
-
       "zoomControl": {
         "zoomIn": "放大",
         "zoomOut": "缩小",
         "resetZoom": "重置缩放"
       },
-
       "layoutsControl": {
         "startAnimation": "开始布局动画",
         "stopAnimation": "停止布局动画",
-        "layoutGraph": "布局图",
+        "layoutGraph": "图布局",
         "layouts": {
-          "Circular": "环形布局",
+          "Circular": "环形",
-          "Circlepack": "圆形打包布局",
+          "Circlepack": "圆形打包",
-          "Random": "随机布局",
+          "Random": "随机",
-          "Noverlaps": "无重叠布局",
+          "Noverlaps": "无重叠",
-          "Force Directed": "力导向布局",
+          "Force Directed": "力导向",
-          "Force Atlas": "力导向图谱布局"
+          "Force Atlas": "力图"
         }
       },
-
       "fullScreenControl": {
         "fullScreen": "全屏",
-        "windowed": "窗口模式"
+        "windowed": "窗口"
       }
     },
     "statusIndicator": {
@@ -122,7 +129,7 @@
       "llmBinding": "LLM绑定",
       "llmBindingHost": "LLM绑定主机",
       "llmModel": "LLM模型",
-      "maxTokens": "最大 Token 数",
+      "maxTokens": "最大令牌数",
       "embeddingConfig": "嵌入配置",
       "embeddingBinding": "嵌入绑定",
       "embeddingBindingHost": "嵌入绑定主机",
@@ -140,96 +147,93 @@
         "labels": "标签",
         "degree": "度数",
         "properties": "属性",
-        "relationships": "关系"
+        "relationships": "关系",
+        "propertyNames": {
+          "description": "描述",
+          "entity_id": "名称",
+          "entity_type": "类型",
+          "source_id": "信源ID",
+          "Neighbour": "邻接"
+        }
       },
       "edge": {
         "title": "关系",
         "id": "ID",
         "type": "类型",
-        "source": "源",
+        "source": "源节点",
-        "target": "目标",
+        "target": "目标节点",
         "properties": "属性"
       }
     },
     "search": {
       "placeholder": "搜索节点...",
-      "message": "以及其它 {count} 项"
+      "message": "还有 {count} 个"
     },
     "graphLabels": {
       "selectTooltip": "选择查询标签",
       "noLabels": "未找到标签",
       "label": "标签",
       "placeholder": "搜索标签...",
-      "andOthers": "以及其它 {count} 个"
+      "andOthers": "还有 {count} 个"
     }
   },
   "retrievePanel": {
     "chatMessage": {
       "copyTooltip": "复制到剪贴板",
-      "copyError": "无法复制文本到剪贴板"
+      "copyError": "复制文本到剪贴板失败"
     },
-
     "retrieval": {
-      "startPrompt": "在下面输入您的查询以开始检索",
+      "startPrompt": "输入查询开始检索",
-      "clear": "清除",
+      "clear": "清空",
       "send": "发送",
-      "placeholder": "输入您的查询...",
+      "placeholder": "输入查询...",
-      "error": "错误：无法获取响应"
+      "error": "错误：获取响应失败"
     },
     "querySettings": {
-      "parametersTitle": "参数设置",
+      "parametersTitle": "参数",
       "parametersDescription": "配置查询参数",
-
       "queryMode": "查询模式",
-      "queryModeTooltip": "选择检索策略：\n• 朴素：不使用高级技术的基本搜索\n• 本地：基于上下文的信息检索\n• 全局：利用全局知识库\n• 混合：结合本地和全局检索\n• 综合：集成知识图谱与向量检索",
+      "queryModeTooltip": "选择检索策略：\n• Naive：基础搜索，无高级技术\n• Local：上下文相关信息检索\n• Global：利用全局知识库\n• Hybrid：结合本地和全局检索\n• Mix：整合知识图谱和向量检索",
       "queryModeOptions": {
         "naive": "朴素",
         "local": "本地",
         "global": "全局",
         "hybrid": "混合",
-        "mix": "综合"
+        "mix": "混合"
       },
-
       "responseFormat": "响应格式",
-      "responseFormatTooltip": "定义响应格式。例如：\n• 多个段落\n• 单个段落\n• 项目符号",
+      "responseFormatTooltip": "定义响应格式。例如：\n• 多段落\n• 单段落\n• 要点",
       "responseFormatOptions": {
-        "multipleParagraphs": "多个段落",
+        "multipleParagraphs": "多段落",
-        "singleParagraph": "单个段落",
+        "singleParagraph": "单段落",
-        "bulletPoints": "项目符号"
+        "bulletPoints": "要点"
       },
-
+      "topK": "Top K结果",
-      "topK": "Top K 结果数",
+      "topKTooltip": "检索的顶部项目数。在'local'模式下表示实体，在'global'模式下表示关系",
-      "topKTooltip": "要检索的前 K 个项目数量。在“本地”模式下表示实体，在“全局”模式下表示关系",
+      "topKPlaceholder": "结果数量",
-      "topKPlaceholder": "结果数",
+      "maxTokensTextUnit": "文本单元最大令牌数",
-
+      "maxTokensTextUnitTooltip": "每个检索文本块允许的最大令牌数",
-      "maxTokensTextUnit": "文本单元最大 Token 数",
+      "maxTokensGlobalContext": "全局上下文最大令牌数",
-      "maxTokensTextUnitTooltip": "每个检索到的文本块允许的最大 Token 数",
+      "maxTokensGlobalContextTooltip": "全局检索中关系描述的最大令牌数",
-
+      "maxTokensLocalContext": "本地上下文最大令牌数",
-      "maxTokensGlobalContext": "全局上下文最大 Token 数",
+      "maxTokensLocalContextTooltip": "本地检索中实体描述的最大令牌数",
-      "maxTokensGlobalContextTooltip": "在全局检索中为关系描述分配的最大 Token 数",
-
-      "maxTokensLocalContext": "本地上下文最大 Token 数",
-      "maxTokensLocalContextTooltip": "在本地检索中为实体描述分配的最大 Token 数",
-
       "historyTurns": "历史轮次",
-      "historyTurnsTooltip": "在响应上下文中考虑的完整对话轮次（用户-助手对）",
+      "historyTurnsTooltip": "响应上下文中考虑的完整对话轮次（用户-助手对）数量",
-      "historyTurnsPlaceholder": "历史轮次的数量",
+      "historyTurnsPlaceholder": "历史轮次数",
-
       "hlKeywords": "高级关键词",
-      "hlKeywordsTooltip": "检索时优先考虑的高级关键词。请用逗号分隔",
+      "hlKeywordsTooltip": "检索中优先考虑的高级关键词列表。用逗号分隔",
       "hlkeywordsPlaceHolder": "输入关键词",
-
       "llKeywords": "低级关键词",
-      "llKeywordsTooltip": "用于优化检索焦点的低级关键词。请用逗号分隔",
+      "llKeywordsTooltip": "用于细化检索重点的低级关键词列表。用逗号分隔",
-
+      "onlyNeedContext": "仅需上下文",
-      "onlyNeedContext": "仅需要上下文",
+      "onlyNeedContextTooltip": "如果为True，仅返回检索到的上下文而不生成响应",
-      "onlyNeedContextTooltip": "如果为 True，则仅返回检索到的上下文，而不会生成回复",
+      "onlyNeedPrompt": "仅需提示",
-
+      "onlyNeedPromptTooltip": "如果为True，仅返回生成的提示而不产生响应",
-      "onlyNeedPrompt": "仅需要提示",
-      "onlyNeedPromptTooltip": "如果为 True，则仅返回生成的提示，而不会生成回复",
-
       "streamResponse": "流式响应",
-      "streamResponseTooltip": "如果为 True，则启用流式输出以获得实时响应"
+      "streamResponseTooltip": "如果为True，启用实时流式输出响应"
-    }
+    }
+  },
+  "apiSite": {
+    "loading": "正在加载 API 文档..."
   }
 }

lightrag_webui/src/main.tsx

@@ -1,12 +1,5 @@
-import { StrictMode } from 'react'
 import { createRoot } from 'react-dom/client'
 import './index.css'
-import App from './App.tsx'
+import { Root } from '@/components/Root'
-import "./i18n";
 
-
+createRoot(document.getElementById('root')!).render(<Root />)
-createRoot(document.getElementById('root')!).render(
-  <StrictMode>
-    <App />
-  </StrictMode>
-)

lightrag_webui/src/stores/graph.ts

@@ -1,6 +1,7 @@
 import { create } from 'zustand'
 import { createSelectors } from '@/lib/utils'
 import { DirectedGraph } from 'graphology'
+import { getGraphLabels } from '@/api/lightrag'
 
 export type RawNodeType = {
   id: string
@@ -65,9 +66,17 @@ interface GraphState {
 
   rawGraph: RawGraph | null
   sigmaGraph: DirectedGraph | null
+  allDatabaseLabels: string[]
 
   moveToSelectedNode: boolean
+  isFetching: boolean
+  shouldRender: boolean
 
+  // Global flags to track data fetching attempts
+  graphDataFetchAttempted: boolean
+  labelsFetchAttempted: boolean
+
+  refreshLayout: () => void
   setSelectedNode: (nodeId: string | null, moveToSelectedNode?: boolean) => void
   setFocusedNode: (nodeId: string | null) => void
   setSelectedEdge: (edgeId: string | null) => void
@@ -79,19 +88,47 @@ interface GraphState {
 
   setRawGraph: (rawGraph: RawGraph | null) => void
   setSigmaGraph: (sigmaGraph: DirectedGraph | null) => void
+  setAllDatabaseLabels: (labels: string[]) => void
+  fetchAllDatabaseLabels: () => Promise<void>
+  setIsFetching: (isFetching: boolean) => void
+  setShouldRender: (shouldRender: boolean) => void
+
+  // Methods to set global flags
+  setGraphDataFetchAttempted: (attempted: boolean) => void
+  setLabelsFetchAttempted: (attempted: boolean) => void
 }
 
-const useGraphStoreBase = create<GraphState>()((set) => ({
+const useGraphStoreBase = create<GraphState>()((set, get) => ({
   selectedNode: null,
   focusedNode: null,
   selectedEdge: null,
   focusedEdge: null,
 
   moveToSelectedNode: false,
+  isFetching: false,
+  shouldRender: false,
+
+  // Initialize global flags
+  graphDataFetchAttempted: false,
+  labelsFetchAttempted: false,
 
   rawGraph: null,
   sigmaGraph: null,
+  allDatabaseLabels: ['*'],
 
+  refreshLayout: () => {
+    const currentGraph = get().sigmaGraph;
+    if (currentGraph) {
+      get().clearSelection();
+      get().setSigmaGraph(null);
+      setTimeout(() => {
+        get().setSigmaGraph(currentGraph);
+      }, 10);
+    }
+  },
+
+  setIsFetching: (isFetching: boolean) => set({ isFetching }),
+  setShouldRender: (shouldRender: boolean) => set({ shouldRender }),
   setSelectedNode: (nodeId: string | null, moveToSelectedNode?: boolean) =>
     set({ selectedNode: nodeId, moveToSelectedNode }),
   setFocusedNode: (nodeId: string | null) => set({ focusedNode: nodeId }),
@@ -104,25 +141,58 @@ const useGraphStoreBase = create<GraphState>()((set) => ({
       selectedEdge: null,
       focusedEdge: null
     }),
-  reset: () =>
+  reset: () => {
+    // Get the existing graph
+    const existingGraph = get().sigmaGraph;
+
+    // If we have an existing graph, clear it by removing all nodes
+    if (existingGraph) {
+      const nodes = Array.from(existingGraph.nodes());
+      nodes.forEach(node => existingGraph.dropNode(node));
+    }
+
     set({
       selectedNode: null,
       focusedNode: null,
       selectedEdge: null,
       focusedEdge: null,
       rawGraph: null,
-      sigmaGraph: null,
+      // Keep the existing graph instance but with cleared data
-      moveToSelectedNode: false
+      moveToSelectedNode: false,
-    }),
+      shouldRender: false
+    });
+  },
 
   setRawGraph: (rawGraph: RawGraph | null) =>
     set({
       rawGraph
     }),
 
-  setSigmaGraph: (sigmaGraph: DirectedGraph | null) => set({ sigmaGraph }),
+  setSigmaGraph: (sigmaGraph: DirectedGraph | null) => {
+    // Replace graph instance, no need to keep WebGL context
+    set({ sigmaGraph });
+  },
 
-  setMoveToSelectedNode: (moveToSelectedNode?: boolean) => set({ moveToSelectedNode })
+  setAllDatabaseLabels: (labels: string[]) => set({ allDatabaseLabels: labels }),
+
+  fetchAllDatabaseLabels: async () => {
+    try {
+      console.log('Fetching all database labels...');
+      const labels = await getGraphLabels();
+      set({ allDatabaseLabels: ['*', ...labels] });
+      return;
+    } catch (error) {
+      console.error('Failed to fetch all database labels:', error);
+      set({ allDatabaseLabels: ['*'] });
+      throw error;
+    }
+  },
+
+  setMoveToSelectedNode: (moveToSelectedNode?: boolean) => set({ moveToSelectedNode }),
+
+  // Methods to set global flags
+  setGraphDataFetchAttempted: (attempted: boolean) => set({ graphDataFetchAttempted: attempted }),
+  setLabelsFetchAttempted: (attempted: boolean) => set({ labelsFetchAttempted: attempted })
 }))
 
 const useGraphStore = createSelectors(useGraphStoreBase)

lightrag_webui/src/stores/settings.ts

@@ -5,6 +5,7 @@ import { defaultQueryLabel } from '@/lib/constants'
 import { Message, QueryRequest } from '@/api/lightrag'
 
 type Theme = 'dark' | 'light' | 'system'
+type Language = 'en' | 'zh'
 type Tab = 'documents' | 'knowledge-graph' | 'retrieval' | 'api'
 
 interface SettingsState {
@@ -46,6 +47,9 @@ interface SettingsState {
   theme: Theme
   setTheme: (theme: Theme) => void
 
+  language: Language
+  setLanguage: (lang: Language) => void
+
   enableHealthCheck: boolean
   setEnableHealthCheck: (enable: boolean) => void
 
@@ -57,7 +61,7 @@ const useSettingsStoreBase = create<SettingsState>()(
   persist(
     (set) => ({
       theme: 'system',
-
+      language: 'en',
       showPropertyPanel: true,
       showNodeSearchBar: true,
 
@@ -70,7 +74,7 @@ const useSettingsStoreBase = create<SettingsState>()(
 
       graphQueryMaxDepth: 3,
       graphMinDegree: 0,
-      graphLayoutMaxIterations: 10,
+      graphLayoutMaxIterations: 15,
 
       queryLabel: defaultQueryLabel,
 
@@ -99,6 +103,16 @@ const useSettingsStoreBase = create<SettingsState>()(
 
       setTheme: (theme: Theme) => set({ theme }),
 
+      setLanguage: (language: Language) => {
+        set({ language })
+        // Update i18n after state is updated
+        import('i18next').then(({ default: i18n }) => {
+          if (i18n.language !== language) {
+            i18n.changeLanguage(language)
+          }
+        })
+      },
+
       setGraphLayoutMaxIterations: (iterations: number) =>
         set({
           graphLayoutMaxIterations: iterations
@@ -129,7 +143,7 @@ const useSettingsStoreBase = create<SettingsState>()(
     {
       name: 'settings-storage',
       storage: createJSONStorage(() => localStorage),
-      version: 7,
+      version: 8,
       migrate: (state: any, version: number) => {
         if (version < 2) {
           state.showEdgeLabel = false
@@ -166,7 +180,11 @@ const useSettingsStoreBase = create<SettingsState>()(
         }
         if (version < 7) {
           state.graphQueryMaxDepth = 3
-          state.graphLayoutMaxIterations = 10
+          state.graphLayoutMaxIterations = 15
+        }
+        if (version < 8) {
+          state.graphMinDegree = 0
+          state.language = 'en'
         }
         return state
       }