update

frontend/src/views/system/monitor.vue

@@ -516,7 +516,7 @@ export default {
       }
 
       this.devices[msg.imei] = msg;
-      this.processData(this.devices[this.device]);
+      this.processData(msg);
       this.resetData();
     },
     processData(msg) {
@@ -604,7 +604,7 @@ export default {
 }
 
 .vue-grid-layout {
-  background: #aaa;
+  background: none;
 }
 .vue-grid-item:not(.vue-grid-placeholder) {
   background: #fff;
@@ -656,10 +656,4 @@ export default {
   box-sizing: border-box;
   cursor: pointer;
 }
-.layoutJSON {
-  background: #ddd;
-  border: 1px solid black;
-  margin-top: 10px;
-  padding: 10px;
-}
 </style>