diff --git a/src/main/java/com/project/appeal/domain/service/Impl/CheckAppealDomainServiceImpl.java b/src/main/java/com/project/appeal/domain/service/Impl/CheckAppealDomainServiceImpl.java
index ea60222..7bb029e 100644
--- a/src/main/java/com/project/appeal/domain/service/Impl/CheckAppealDomainServiceImpl.java
+++ b/src/main/java/com/project/appeal/domain/service/Impl/CheckAppealDomainServiceImpl.java
@@ -37,6 +37,10 @@ public class CheckAppealDomainServiceImpl implements CheckAppealDomainService {
         if (ObjectUtil.isEmpty(appealDTO.getId()) && StringUtils.isBlank(appealDTO.getRemark())){
             throw new MissingParameterException("缺少申诉理由");
         }
+        if (appealDTO.getRemark().length() > 500){
+            throw new MissingParameterException("申诉理由不能超过500字符");
+        }
+
         if (ObjectUtil.isEmpty(appealDTO.getId()) && !appealDTO.getStatus().equals(AppealStatusEnum.PENDING_REVIEW.getValue())){
             throw new BusinessErrorException("申诉状态错误");
         }
@@ -46,6 +50,9 @@ public class CheckAppealDomainServiceImpl implements CheckAppealDomainService {
         if (!appealDTO.getStatus().equals(AppealStatusEnum.PENDING_REVIEW.getValue()) && StringUtils.isBlank(appealDTO.getReason())){
             throw new BusinessErrorException("缺少审批意见");
         }
+        if (appealDTO.getReason().length() > 500){
+            throw new MissingParameterException("审批意见不能超过500字符");
+        }
         //校验题目是否以申诉过
         if (ObjectUtil.isEmpty(appealDTO.getId()) ){
             QueryWrapper<AppealEntity> entityQueryWrapper = new QueryWrapper<>();