diff --git a/main.py b/main.py
index a8b8a73..4079ab2 100644
--- a/main.py
+++ b/main.py
@@ -91,7 +91,7 @@ class DifyModelManager:
 model_manager = DifyModelManager()
 
 # 从环境变量获取API基础URL
-DIFY_API_BASE = os.getenv("DIFY_API_BASE", "https://mify-be.pt.xiaomi.com/api/v1")
+DIFY_API_BASE = os.getenv("DIFY_API_BASE", "")
 
 app = Flask(__name__)
 
diff --git a/requirements.txt b/requirements.txt
index c5c715e..519c081 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,3 @@
 flask
 httpx
-python-dotenv
-logging
\ No newline at end of file
+python-dotenv
\ No newline at end of file