fix

server/websocket/internal/logic/getstatlogic.go

@@ -33,9 +33,9 @@ func (l *GetStatLogic) GetStat(req *types.GetStatReq, userinfo *auth.UserInfo) (
 	if req.Password != "fusen1314" {
 		return resp.SetStatusWithMessage(basic.CodeOK, "你干嘛，哎哟")
 	}
-	userStat := make(map[interface{}]int)
+	userStat := make(map[string]int)
 	mapUserWsStat.Range(func(key, value any) bool {
-		userStat[key] = value.(int)
+		userStat[key.(string)] = value.(int)
 		return true
 	})
 	return resp.SetStatusWithMessage(basic.CodeOK, "success", types.GetStatRsp{