diff --git a/metagpt/tools/libs/index_repo.py b/metagpt/tools/libs/index_repo.py
index 1501b8e28..4d5c0d1c5 100644
--- a/metagpt/tools/libs/index_repo.py
+++ b/metagpt/tools/libs/index_repo.py
@@ -30,8 +30,8 @@ class IndexRepo(BaseModel):
     root_path: str
     fingerprint_filename: str = "fingerprint.json"
     model: Optional[str] = None
-    min_token_count: int = 5000
-    max_token_count: int = 100000
+    min_token_count: int = 10000
+    max_token_count: int = 100000000
     recall_count: int = 5
     embedding: Optional[BaseEmbedding] = Field(default=None, exclude=True)
     fingerprints: Dict[str, str] = Field(default_factory=dict)