修复 绑定对象 编辑商品范围 立减金不能选择问题

src/pages/exchangecode/add/add.js

@@ -715,7 +715,7 @@ export default class acclist extends React.Component {
 
     let arr = _.map(row.product, (res) => {
       let obj = {}
-      obj.key = res.product_id
+      obj.key = res.only
       obj.text = res.product_name
       return obj
     })

src/pages/plan/add/step2.js

@@ -657,7 +657,7 @@ export default class acclist extends React.Component {
 
     let arr = _.map(row.product, (res) => {
       let obj = {}
-      obj.key = res.product_id
+      obj.key = res.only
       obj.text = res.product_name
       return obj
     })

src/pages/plan/key/edit.js

@@ -957,7 +957,7 @@ export default class acclist extends React.Component {
 
     let arr = _.map(row.product, (res) => {
       let obj = {}
-      obj.key = res.product_id
+      obj.key = res.only
       obj.text = res.product_name
       return obj
     })