diff --git a/gan-modules/ruoyi-gan/src/main/java/com/ruoyi/app/controller/PayController.java b/gan-modules/ruoyi-gan/src/main/java/com/ruoyi/app/controller/PayController.java
index f9450d2..e9134f5 100644
--- a/gan-modules/ruoyi-gan/src/main/java/com/ruoyi/app/controller/PayController.java
+++ b/gan-modules/ruoyi-gan/src/main/java/com/ruoyi/app/controller/PayController.java
@@ -168,7 +168,7 @@ public class PayController extends BaseController
         String code = useExchangeArg.getCode();
         Long userId = useExchangeArg.getUserId();
         AppExchangeCode appExchangeCode = appExchangeCodeMapper.selectAppExchangeCodeByCode(code);
-        if (appExchangeCode == null || appExchangeCode.getUserId() > 1) {
+        if (appExchangeCode == null || appExchangeCode.getUserId() != null) {
             return AjaxResult.error("该兑换码不存在或已被使用，请检查该兑换码是否正确！");
         }
         AppExchangeCode entity = new AppExchangeCode();