修复at导致命令无法识别的问题

CoreRouters/callback.py

@@ -78,7 +78,7 @@ async def callback_receive(request: Request):
                 return JSONResponse({"result": "error", "message": str(e)})
         
         # 解析指令
-        content = callback_data.content
+        content = parse_message_after_at(callback_data.content)
         command = content.split(" ")[0]
         message = content[len(command):].strip()
         logger.Log("Info", f"识别指令: command={command}")