[add] 修复ws升级报错日志~

pkg/websocket/peer/connect/acceptor.go

@@ -47,7 +47,6 @@ func (ws *wsAcceptor) Start(addr string, sessMgr *peer.SessionManager) error {
 		c, upgradeErr := upgrader.Upgrade(w, r, nil)
 		if upgradeErr != nil {
 			ws.logger.Sugar().Errorf("upgrade http failed: %s", upgradeErr)
-			w.WriteHeader(http.StatusNotFound)
 			return
 		}
 		sessMgr.Register <- peer.NewSession(newConnection(c, sessMgr))