diff --git a/server/websocket/internal/logic/datatransferlogic.go b/server/websocket/internal/logic/datatransferlogic.go
index 1d5ab841..6a5fefae 100644
--- a/server/websocket/internal/logic/datatransferlogic.go
+++ b/server/websocket/internal/logic/datatransferlogic.go
@@ -122,6 +122,7 @@ func (l *DataTransferLogic) DataTransfer(req *types.DataTransferReq, w http.Resp
 	//把子协议携带的token设置到标准token头信息中
 	token := r.Header.Get("Sec-Websocket-Protocol")
 	oldWid := req.Wid
+	oldWid = strings.ReplaceAll(oldWid, " ", "+")
 	//有token是正常用户，无则是白板用户，也可以连接
 	if token != "" {
 		r.Header.Set("Authorization", "Bearer "+token)