diff --git a/yudao-module-member/yudao-module-member-api/src/main/java/cn/iocoder/yudao/module/member/enums/ErrorCodeConstants.java b/yudao-module-member/yudao-module-member-api/src/main/java/cn/iocoder/yudao/module/member/enums/ErrorCodeConstants.java
index d8a7405d..6f620a84 100644
--- a/yudao-module-member/yudao-module-member-api/src/main/java/cn/iocoder/yudao/module/member/enums/ErrorCodeConstants.java
+++ b/yudao-module-member/yudao-module-member-api/src/main/java/cn/iocoder/yudao/module/member/enums/ErrorCodeConstants.java
@@ -96,6 +96,7 @@ public interface ErrorCodeConstants {
     ErrorCode DINING_PLATES_ALREADY  = new ErrorCode(1_007_902_003, "餐盘已存在");
 
     ErrorCode REFUND_NOT_EXISTS = new ErrorCode(1_007_903_001, "退款审核不存在");
+    ErrorCode ORDER_ALREADY_APPLY = new ErrorCode(1_007_903_002, "订单已申请退款");
 
     ErrorCode STORE_GOODS_NOT_EXISTS = new ErrorCode(1_007_904_001, "商品不存在");
 
diff --git a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/refund/RefundServiceImpl.java b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/refund/RefundServiceImpl.java
index d9d6c55a..ec86c88f 100644
--- a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/refund/RefundServiceImpl.java
+++ b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/refund/RefundServiceImpl.java
@@ -1,5 +1,6 @@
 package cn.iocoder.yudao.module.member.service.refund;
 
+import cn.hutool.core.collection.CollectionUtil;
 import cn.hutool.core.util.ObjectUtil;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
@@ -19,7 +20,10 @@ import org.springframework.validation.annotation.Validated;
 
 import javax.annotation.Resource;
 
+import java.util.List;
+
 import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
+import static cn.iocoder.yudao.module.member.enums.ErrorCodeConstants.ORDER_ALREADY_APPLY;
 import static cn.iocoder.yudao.module.member.enums.ErrorCodeConstants.REFUND_NOT_EXISTS;
 
 /**
@@ -86,6 +90,11 @@ public class RefundServiceImpl implements RefundService {
 
     @Override
     public Long createAppRefund(AppRefundSaveReqVO createReqVO) {
+        // 校验存在
+        List<RefundDO> refundDOS = refundMapper.selectList(Wrappers.<RefundDO>lambdaQuery().eq(RefundDO::getOrderId, createReqVO.getOrderId()));
+        if(CollectionUtil.isNotEmpty(refundDOS)){
+            throw exception(ORDER_ALREADY_APPLY);
+        }
         // 插入
         RefundDO refund = BeanUtils.toBean(createReqVO, RefundDO.class);
         MemberUserDO memberUserDO = userMapper.selectById(refund.getUserId());