diff --git a/astrbot/core/provider/func_tool_manager.py b/astrbot/core/provider/func_tool_manager.py
index a7a3d14b3..c6e78e190 100644
--- a/astrbot/core/provider/func_tool_manager.py
+++ b/astrbot/core/provider/func_tool_manager.py
@@ -906,7 +906,7 @@ class FunctionToolManager:
         base_url = "https://www.modelscope.cn/openapi/v1"
         url = f"{base_url}/mcp/servers/operational"
         headers = {
-            "Authorization": f"Bearer {access_token}",
+            "Authorization": f"Bearer {access_token.strip()}",
             "Content-Type": "application/json",
         }