fix商品品牌分类选择显示bug

src/views/components/BrandSelect.vue

@@ -26,11 +26,13 @@ export default {
   },
   methods:{
     handleBrandChange (id) {
-      if (this.value1) {       
+      if (id) {
         let brand=this.brandList.find(item=>{
           return item.id==id
         })
         this.$emit('change', brand.name);
+      } else {
+        this.$emit('change', null);
       }
     },
   },

src/views/components/ProductCategorySelect.vue

@@ -36,10 +36,12 @@ export default {
     }
   },
   methods: {
-    handleMallCatergoryChange () {
+    handleMallCatergoryChange (e) {
-      if (this.value1 && this.value1.length != 0) {       
+      if (e.length > 0) {
         let arr = this.$refs['cascaderMallCatergory'].getCheckedNodes()[0].pathLabels
         this.$emit('change', arr);
+      } else {
+        this.$emit('change', '');
       }
     },
     recurs(list){