[优化] 首页在没有tab的情况下的优化

pages/index/index.vue

@@ -166,6 +166,7 @@
 			getGoodsList(){
 				let per_page = this.pageSize;
 				let tab_item = this.tab_list[this.current];
+				if(this.$shared.isValueType(tab_item) == 'undefined') return;
 				this.$http(this.API.API_GOODS_LIST, {
 					category_id: tab_item.id,
 					type: tab_item.type,