修改商品报错，bug修复

src/views/ecw/product/index.vue

@@ -241,19 +241,20 @@
 <script>
 import {
   createProduct,
-  updateProduct,
   deleteProduct,
+  exportProductExcel,
   getProduct,
   getProductPage,
-  exportProductExcel,
-  product_coupon_newProd
+  product_coupon_newProd,
+  updateProduct
 } from "@/api/ecw/product";
-import { getProductAttrList } from "@/api/ecw/productAttr";
-import { getProductTypeList } from "@/api/ecw/productType";
-import { getDictDatas, DICT_TYPE } from '@/utils/dict';
-import { CommonStatusEnum, AuditStatusEnum } from '@/utils/constants';
-import { uploadFile } from "@/api/infra/file";
+import {getProductAttrList} from "@/api/ecw/productAttr";
+import {getProductTypeList} from "@/api/ecw/productType";
+import {DICT_TYPE, getDictDatas} from '@/utils/dict';
+import {AuditStatusEnum, CommonStatusEnum} from '@/utils/constants';
+import {uploadFile} from "@/api/infra/file";
 import ImageUpload from '@/components/ImageUpload'
+
 export default {
   name: "EcwProductIndex",
   components: {
@@ -457,8 +458,6 @@ export default {
         needBook: 0,
         couponIds:[],
       };
-      let c =  this.preferentialList.filter(i => i.isDefault).map(i => i.couponId)
-      this.form.couponIds = c
       this.resetForm("form");
     },
     /** 搜索按钮操作 */
@@ -477,6 +476,10 @@ export default {
       this.reset();
       this.open = true;
       this.title = this.$t("添加商品");
+      product_coupon_newProd().then(r => {
+        this.preferentialList = r.data
+        this.form.couponIds = this.preferentialList.filter(i => i.isDefault).map(i => i.couponId)
+      })
       if (this.queryParams.typeId) {
         this.form.typeId = this.queryParams.typeId;
       }
@@ -497,6 +500,11 @@ export default {
         })
         this.open = true;
         this.title = this.$t("修改商品");
+        product_coupon_newProd().then(r => {
+          this.preferentialList = r.data
+          this.form.couponIds = this.preferentialList.filter(i => i.isDefault).map(i => i.couponId)
+          // this.reset()
+        })
       });
     },
 
@@ -628,16 +636,6 @@ export default {
       }
     }
   },
-  watch:{
-     open(val){
-       if(val){
-         product_coupon_newProd().then(r => {
-           this.preferentialList = r.data
-           this.reset()
-         })
-       }
-     }
-  }
 };
 </script>