feat:默认选择第一个sku

src/views/mall/product/containergoods/form/DeliveryForm.vue

@@ -2,7 +2,7 @@
 <template>
   <el-form ref="formRef" :model="formData" :rules="rules" label-width="120px" :disabled="isDetail">
     <el-form-item label="配送方式" prop="deliveryTypes">
-      <el-checkbox-group v-model="formData.deliveryTypes" class="w-80">
+      <el-checkbox-group disabled v-model="formData.deliveryTypes" class="w-80">
         <el-checkbox
           v-for="dict in getIntDictOptions(DICT_TYPE.TRADE_DELIVERY_TYPE)"
           :key="dict.value"
@@ -50,7 +50,7 @@ const props = defineProps({
 })
 const formRef = ref() // 表单 Ref
 const formData = reactive<Spu>({
-  deliveryTypes: [], // 配送方式
+  deliveryTypes: [3], // 配送方式
   deliveryTemplateId: undefined // 运费模版
 })
 const rules = reactive({
@@ -66,6 +66,9 @@ watch(
       return
     }
     copyValueToTarget(formData, data)
+    if(formData.deliveryTypes?.length != 1 || !formData.deliveryTypes?.includes(3)){
+      formData.deliveryTypes = [3]
+    }
   },
   {
     immediate: true