opt: optimize order query alg, reduce polling times

web/src/views/Member.vue

@@ -124,6 +124,7 @@
         :close-on-click-modal="false"
         :show-close="true"
         :width="400"
+        @close="closeOrder"
         title="充值订单支付">
       <div class="pay-container">
         <div class="count-down">
@@ -332,6 +333,10 @@ const logout = function () {
   })
 }
 
+const closeOrder = () => {
+  activeOrderNo.value = ''
+}
+
 </script>
 
 <style lang="stylus">