diff --git a/server/websocket/internal/logic/datatransferlogic.go b/server/websocket/internal/logic/datatransferlogic.go
index 74f14691..e14a687a 100644
--- a/server/websocket/internal/logic/datatransferlogic.go
+++ b/server/websocket/internal/logic/datatransferlogic.go
@@ -81,7 +81,6 @@ func (l *DataTransferLogic) DataTransfer(svcCtx *svc.ServiceContext, w http.Resp
 		return
 	}
 	defer conn.Close()
-	w.Header().Set("Connection", "Upgrade")
 	//鉴权不成功10秒后断开
 	/*isAuth, _ := l.checkAuth(svcCtx, r)
 	if !isAuth {