diff --git a/dify/dify_chat.py b/dify/dify_chat.py
index eacf9ed..7d7cbec 100644
--- a/dify/dify_chat.py
+++ b/dify/dify_chat.py
@@ -161,7 +161,7 @@ class DifyChat:
             }
         
         # 发送请求
-        url = f"{self.base_url}/chat-messages"
+        url = f"{self.base_url}/workflows/run"
         
         try:
             # 使用流式请求