diff --git a/rag/llm/chat_model.py b/rag/llm/chat_model.py
index 2d626d1af..ce65f7dd3 100644
--- a/rag/llm/chat_model.py
+++ b/rag/llm/chat_model.py
@@ -981,9 +981,9 @@ class SILICONFLOWChat(Base):
 
 
 class YiChat(Base):
-    def __init__(self, key, model_name, base_url="https://api.01.ai/v1"):
+    def __init__(self, key, model_name, base_url="https://api.lingyiwanwu.com/v1"):
         if not base_url:
-            base_url = "https://api.01.ai/v1"
+            base_url = "https://api.lingyiwanwu.com/v1"
         super().__init__(key, model_name, base_url)