feat: 修改价格、销量由低到高，

src/views/online-shop/goods-group.vue

@@ -149,7 +149,9 @@
           <el-radio-group v-model="forms.sortMode">
             <el-radio value="0" label="默认" />
             <el-radio value="1" label="价格由高到低" />
-            <el-radio value="2" label="销量由高到低" />
+            <el-radio value="2" label="价格由低到高" />
+            <el-radio value="3" label="销量由高到低" />
+            <el-radio value="4" label="销量由低到高" />
           </el-radio-group>
         </el-form-item>
         <el-form-item label="分组排序">
@@ -213,7 +215,7 @@ let forms = reactive({
   name: "",
   status: 1,
   useTime: 0,
-  sortMode: 0,
+  sortMode: '0',
   sort: 1,
   time: ""
 })
@@ -331,7 +333,7 @@ function handleToolbarClick(name: string) {
       name: "",
       status: 1,
       useTime: 0,
-      sortMode: 0,
+      sortMode: '0',
       sort: 1,
       time: ""
     })