diff --git a/src/main/java/com/chaozhanggui/system/cashierservice/service/PayService.java b/src/main/java/com/chaozhanggui/system/cashierservice/service/PayService.java
index 9e7da52..e87b581 100644
--- a/src/main/java/com/chaozhanggui/system/cashierservice/service/PayService.java
+++ b/src/main/java/com/chaozhanggui/system/cashierservice/service/PayService.java
@@ -523,7 +523,7 @@ public class PayService {
                     continue;
                 }
                 if (map1.get(it.getId()) > it.getNum() - it.getReturnNum()) {
-                    MsgException.checkNull(null,"可退数量：" + (it.getNum() - it.getReturnNum()));
+                    return Result.fail("可退数量：" + (it.getNum() - it.getReturnNum()));
                 }
                 if (map1.get(it.getId()) == 0) {
                     map1.put(it.getId(), it.getNum());