Update main.py

main.py

@@ -669,7 +669,7 @@ async def service_control(service: str, action: str) -> Dict[str, Any]:
 
 @mcp.tool()
 async def get_server_addr():
-    return os.getenv("SERVER_URL", default="Unknown")
+    return {"addr":os.getenv("SERVER_URL", default="Unknown")}
 
 # ============ FastAPI 应用构建 ============