diff --git a/src/main/java/com/ynxbd/common/service/PayService.java b/src/main/java/com/ynxbd/common/service/PayService.java
index 57d8929..2fd9927 100644
--- a/src/main/java/com/ynxbd/common/service/PayService.java
+++ b/src/main/java/com/ynxbd/common/service/PayService.java
@@ -77,7 +77,7 @@ public class PayService {
         }
 
         if (MerchantEnum.ALI.equals(merchantEnum) && size != 1) {
-            throw new ServiceException(String.format("[支付宝]缴费单数量为[%s]，不为1禁止退费，请联系开发商", size));
+            throw new ServiceException(String.format("[支付宝]缴费单的项目数量为[%s]项，超过1项，禁止退费。请联系开发者", size));
         }
 
         if (updateTime == null) {