diff --git a/README.md b/README.md
index bc0b6bde..97d6279c 100644
--- a/README.md
+++ b/README.md
@@ -461,14 +461,22 @@ custom_kg = {
         {
             "content": "ProductX, developed by CompanyA, has revolutionized the market with its cutting-edge features.",
             "source_id": "Source1",
+            "chunk_order_index": 0,
+        },
+        {
+            "content": "One outstanding feature of ProductX is its advanced AI capabilities.",
+            "source_id": "Source1",
+            "chunk_order_index": 1,
         },
         {
             "content": "PersonA is a prominent researcher at UniversityB, focusing on artificial intelligence and machine learning.",
             "source_id": "Source2",
+            "chunk_order_index": 0,
         },
         {
             "content": "None",
             "source_id": "UNKNOWN",
+            "chunk_order_index": 0,
         },
     ],
 }
diff --git a/examples/insert_custom_kg.py b/examples/insert_custom_kg.py
index 50ad925e..db489c96 100644
--- a/examples/insert_custom_kg.py
+++ b/examples/insert_custom_kg.py
@@ -87,18 +87,27 @@ custom_kg = {
         {
             "content": "ProductX, developed by CompanyA, has revolutionized the market with its cutting-edge features.",
             "source_id": "Source1",
+            "source_chunk_index": 0,
+        },
+        {
+            "content": "One outstanding feature of ProductX is its advanced AI capabilities.",
+            "source_id": "Source1",
+            "chunk_order_index": 1,
         },
         {
             "content": "PersonA is a prominent researcher at UniversityB, focusing on artificial intelligence and machine learning.",
             "source_id": "Source2",
+            "source_chunk_index": 0,
         },
         {
             "content": "EventY, held in CityC, attracts technology enthusiasts and companies from around the globe.",
             "source_id": "Source3",
+            "source_chunk_index": 0,
         },
         {
             "content": "None",
             "source_id": "UNKNOWN",
+            "source_chunk_index": 0,
         },
     ],
 }
diff --git a/lightrag/lightrag.py b/lightrag/lightrag.py
index f9ab2333..a565f017 100644
--- a/lightrag/lightrag.py
+++ b/lightrag/lightrag.py
@@ -37,6 +37,7 @@ from .utils import (
     limit_async_func_call,
     logger,
     set_logger,
+    encode_string_by_tiktoken,
 )
 from .types import KnowledgeGraph
 
@@ -926,11 +927,28 @@ class LightRAG:
             all_chunks_data: dict[str, dict[str, str]] = {}
             chunk_to_source_map: dict[str, str] = {}
             for chunk_data in custom_kg.get("chunks", {}):
-                chunk_content = chunk_data["content"]
+                chunk_content = chunk_data["content"].strip()
                 source_id = chunk_data["source_id"]
-                chunk_id = compute_mdhash_id(chunk_content.strip(), prefix="chunk-")
+                tokens = len(
+                    encode_string_by_tiktoken(
+                        chunk_content, model_name=self.tiktoken_model_name
+                    )
+                )
+                chunk_order_index = (
+                    0
+                    if "chunk_order_index" not in chunk_data.keys()
+                    else chunk_data["chunk_order_index"]
+                )
+                chunk_id = compute_mdhash_id(chunk_content, prefix="chunk-")
 
-                chunk_entry = {"content": chunk_content.strip(), "source_id": source_id}
+                chunk_entry = {
+                    "content": chunk_content,
+                    "source_id": source_id,
+                    "tokens": tokens,
+                    "chunk_order_index": chunk_order_index,
+                    "full_doc_id": source_id,
+                    "status": DocStatus.PROCESSED,
+                }
                 all_chunks_data[chunk_id] = chunk_entry
                 chunk_to_source_map[source_id] = chunk_id
                 update_storage = True