diff --git a/README-zh.md b/README-zh.md
index 4a764cb9..784fd1f2 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -164,6 +164,10 @@ class QueryParam:
     """本地检索中实体描述的最大令牌分配。"""
     ids: list[str] | None = None # 仅支持PG向量数据库
     """用于过滤RAG的ID列表。"""
+    model_func: Callable[..., object] | None = None
+    """查询使用的LLM模型函数。如果提供了此选项，它将代替LightRAG全局模型函数。
+    这允许为不同的查询模式使用不同的模型。
+    """
     ...
 ```
 
diff --git a/README.md b/README.md
index 79772c8b..d3716416 100644
--- a/README.md
+++ b/README.md
@@ -194,6 +194,11 @@ class QueryParam:
     """Maximum number of tokens allocated for entity descriptions in local retrieval."""
     ids: list[str] | None = None # ONLY SUPPORTED FOR PG VECTOR DBs
     """List of ids to filter the RAG."""
+    model_func: Callable[..., object] | None = None
+    """Optional override for the LLM model function to use for this specific query.
+    If provided, this will be used instead of the global model function.
+    This allows using different models for different query modes.
+    """
     ...
 ```