Issue #9: Done.

src/components/Discover/Map/SidebarView.vue

@@ -98,17 +98,14 @@ export default {
       ],
       curveStyle:'unbundled-bezier', // unbundled-bezier | taxi
       mapType: 'processMap', // processMap | bpmn
-      dataLayerType: 'freq', // freq | duration
-      dataLayerOption: 'total',
+      dataLayerType: null, // freq | duration
+      dataLayerOption: null,
       selectedFreq: '',
       selectedDuration: '',
       rank: 'LR', // 直向 TB | 橫向 LR
     }
   },
   methods: {
-    ttt(e){
-      console.log(e);
-    },
     /**
      * switch map type
      * @param {string} type processMap | bpmn
@@ -156,10 +153,12 @@ export default {
           this.selectedDuration = value;
           break;
       }
-      console.log(type, value);
       this.$emit('switch-data-layer-type', this.dataLayerType, this.dataLayerOption);
     },
+  },
+  mounted() {
+    this.dataLayerType = 'freq';
+    this.dataLayerOption = 'total';
   }
-
 }
 </script>