fix bug

mallinkService/src/main/java/com/iformall/service/impl/WxOrderServiceImpl.java

@@ -811,7 +811,9 @@ public class WxOrderServiceImpl implements WxOrderService {
       		couponOrderQ.setCouponId(counpon.getId());
       	  }
             return wxCouponOrderMapper.findProductCount(couponOrderQ)+couponNumber;
-        } catch (Exception e) {
+        } catch(MallinkException e1) {
+        	throw new MallinkException(ErrorCode.ORDER_IS_FAIL.getCode(),e1.getMessage());
+        }catch (Exception e) {
             logger.error("购买是否超限-DB, couponId: " + counpon.getId() + ", e:" + e.getMessage(),e);
             throw new MallinkException(ErrorCode.ORDER_IS_FAIL.getCode(),"["+counpon.getTitle()+"]查询待使用订单错误."+e.getMessage());
         }