update

app/service/zrOrder.js

@@ -145,7 +145,7 @@ class ZrOrderService extends CrudService {
     // #region 库存判断
     const knum = _.get(goodsInfo, 'num');
     const res = this.ctx.minus(knum, num);
-    if (res <= 0) {
+    if (res < 0) {
       result.result = false;
       result.msg = '库存不足';
       return result;