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 068c022..f9450d2 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
@@ -164,7 +164,7 @@ public class PayController extends BaseController
 
     @RequestMapping("/userExchangeCode")
     @ApiOperation(value = "兑换码支付", notes = "兑换码支付", httpMethod = "POST")
-    public AjaxResult useExchange(UseExchangeArg useExchangeArg) throws ParseException {
+    public AjaxResult useExchange(@RequestBody UseExchangeArg useExchangeArg) throws ParseException {
         String code = useExchangeArg.getCode();
         Long userId = useExchangeArg.getUserId();
         AppExchangeCode appExchangeCode = appExchangeCodeMapper.selectAppExchangeCodeByCode(code);