修复切换购买类型优惠券异常问题

src/component/HomePage/renew.vue

@@ -119,7 +119,7 @@
 </template>
 
 <script lang="ts">
-import { defineComponent,computed,reactive,toRefs ,onMounted} from "vue";
+import { defineComponent,computed,reactive,toRefs ,watch} from "vue";
 import { message } from "ant-design-vue";
 import payMethod from "@/component/Pay/payMethod.vue";
 import { useStore } from "vuex";
@@ -314,10 +314,14 @@ export default defineComponent({
 				}
 			})
 		}
-		const clearPromotionCode = ()=>{
+		watch(()=>renewData.current.type,(newVal,oldVal)=>{
+			clearPromotionCode(oldVal)
+		})
+		const clearPromotionCode = (str:any)=>{
+			let type = str || renewData.current.type
 			renewData.promotionData.error = '';
 			renewData.promotionData.code = ''
-			renewData.current.price[renewData.current.type] = renewData.promotionData.oldPrice
+			if(renewData.promotionData.oldPrice)renewData.current.price[str] = renewData.promotionData.oldPrice
 			renewData.promotionData.oldPrice = ''
 		}
         return{