PDA长时间未退出导致SessionID过期，提示‘登录已过期，请重新登录’改进

jt

2024-04-01 33ca0619ee10adc9f307480a5f58bb77bb142ffd

 App.vue

@@ -37,6 +37,7 @@
            main.registerReceiver(receiver, filter); //注册监听
         },
         onScan(callback){
            console.log('onScan');
            uni.$off("scanresult");
            uni.$on("scanresult",(result)=>{
               callback(result);