NEZ-2239 fix： terminal 样式错误 以及地图resize 不生效

nezha-fronted/src/components/common/project/topologyL5.vue

@@ -2234,10 +2234,15 @@ export default {
         let domRect = document.getElementById('topology-canvas' + this.topologyIndex).getBoundingClientRect()
         getTopology(this.topologyIndex).canvasPos = domRect
         if (this.fromOverView) {
-          if (this.oldTopologyData && !this.oldTopologyData.pens) {
-            this.oldTopologyData.pens = []
+          try {
+            const obj = JSON.parse(this.oldTopologyData)
+            if (obj && !obj.pens) {
+              obj.pens = []
+            }
+            getTopology(this.topologyIndex).open(obj)
+          } catch (e) {
+            console.log(e)
           }
-          getTopology(this.topologyIndex).open(this.oldTopologyData)
         }
         let flag = false