update:支持0元退款

src/views/components/his/storeOrderDetails.vue

@@ -1082,9 +1082,9 @@ import {getCitys} from "@/api/store/city";
 
       },
       submitRefundForm(){
-        if(this.refundForm.refundAmount<=0){
-          return this.$message("退款金额不能为0");
-        }
+        // if(this.refundForm.refundAmount<=0){
+        //   return this.$message("退款金额不能为0");
+        // }
         if(this.refundForm.refundAmount>this.item.payMoney){
           return this.$message("退款金额不能大于实付金额" + this.item.payMoney + "元");
         }