diff --git a/server/websocket/internal/logic/datatransferlogic.go b/server/websocket/internal/logic/datatransferlogic.go
index 52f3034d..553f4123 100644
--- a/server/websocket/internal/logic/datatransferlogic.go
+++ b/server/websocket/internal/logic/datatransferlogic.go
@@ -84,7 +84,10 @@ type wsConnectItem struct {
 func (l *DataTransferLogic) DataTransfer(w http.ResponseWriter, r *http.Request) {
 	//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")
-	r.Header.Set("Authorization", "Bearer "+token)
+	//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)
+	}
 	//设置Sec-Websocket-Protocol
 	upgrader.Subprotocols = []string{token}
 	//升级websocket