绑定的变量名错了

src/views/ecw/order/warehousing/components/editDialog.vue

@@ -22,7 +22,7 @@
                 <span v-if="false">{{ form.brand ? brand : '无' }}</span>
                 <el-form-item required label="" prop="brand" label-width="0">
                   <el-select
-                    v-model="form1.brand"
+                    v-model="form.brand"
                     placeholder="可修改"
                     filterable
                     @change="handleBrandChange"