diff --git a/maku-boot-system/src/main/java/net/maku/system/service/impl/SysDictDataServiceImpl.java b/maku-boot-system/src/main/java/net/maku/system/service/impl/SysDictDataServiceImpl.java
index 638651e5a2b8b434e2413ee27a990f5798a68f84..e076394f3443c63e87ad954235adf63aff90af28 100644
--- a/maku-boot-system/src/main/java/net/maku/system/service/impl/SysDictDataServiceImpl.java
+++ b/maku-boot-system/src/main/java/net/maku/system/service/impl/SysDictDataServiceImpl.java
@@ -3,14 +3,16 @@ package net.maku.system.service.impl;
 import com.baomidou.mybatisplus.core.conditions.Wrapper;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import lombok.AllArgsConstructor;
+import net.maku.framework.common.exception.ServerException;
 import net.maku.framework.common.utils.PageResult;
 import net.maku.framework.mybatis.service.impl.BaseServiceImpl;
 import net.maku.system.convert.SysDictDataConvert;
 import net.maku.system.dao.SysDictDataDao;
 import net.maku.system.entity.SysDictDataEntity;
-import net.maku.system.service.SysDictDataService;
 import net.maku.system.query.SysDictDataQuery;
+import net.maku.system.service.SysDictDataService;
 import net.maku.system.vo.SysDictDataVO;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -45,6 +47,13 @@ public class SysDictDataServiceImpl extends BaseServiceImpl<SysDictDataDao, SysD
     @Override
     @Transactional(rollbackFor = Exception.class)
     public void save(SysDictDataVO vo) {
+        SysDictDataEntity sysDictData = getOne(Wrappers.<SysDictDataEntity>lambdaQuery()
+                .eq(SysDictDataEntity::getDictTypeId, vo.getDictTypeId())
+                .eq(SysDictDataEntity::getDictValue, vo.getDictValue()));
+        if (sysDictData != null) {
+            throw new ServerException("字典值重复!");
+        }
+
         SysDictDataEntity entity = SysDictDataConvert.INSTANCE.convert(vo);
 
         baseMapper.insert(entity);
@@ -53,6 +62,14 @@ public class SysDictDataServiceImpl extends BaseServiceImpl<SysDictDataDao, SysD
     @Override
     @Transactional(rollbackFor = Exception.class)
     public void update(SysDictDataVO vo) {
+        SysDictDataEntity sysDictData = getOne(Wrappers.<SysDictDataEntity>lambdaQuery()
+                .eq(SysDictDataEntity::getDictTypeId, vo.getDictTypeId())
+                .eq(SysDictDataEntity::getDictValue, vo.getDictValue())
+                .ne(SysDictDataEntity::getId, vo.getId()));
+        if (sysDictData != null) {
+            throw new ServerException("字典值重复!");
+        }
+
         SysDictDataEntity entity = SysDictDataConvert.INSTANCE.convert(vo);
 
         updateById(entity);
@@ -64,4 +81,5 @@ public class SysDictDataServiceImpl extends BaseServiceImpl<SysDictDataDao, SysD
         removeByIds(idList);
     }
 
+
 }
\ No newline at end of file
diff --git a/maku-boot-system/src/main/java/net/maku/system/service/impl/SysDictTypeServiceImpl.java b/maku-boot-system/src/main/java/net/maku/system/service/impl/SysDictTypeServiceImpl.java
index af5a7aa610fcaa68960877cfffd4c099c47883d3..d8fd92edfef79041e79fe9a8ed433928a422c4a7 100644
--- a/maku-boot-system/src/main/java/net/maku/system/service/impl/SysDictTypeServiceImpl.java
+++ b/maku-boot-system/src/main/java/net/maku/system/service/impl/SysDictTypeServiceImpl.java
@@ -144,8 +144,12 @@ public class SysDictTypeServiceImpl extends BaseServiceImpl<SysDictTypeDao, SysD
             List<SysDictTypeEntity> dictTypeEntities = super.list();
             for (SysDictTypeEntity dictTypeEntity : dictTypeEntities) {
                 if (dictTypeDataMap.containsKey(dictTypeEntity.getId())) {
-                    dictionaryTransService.refreshCache(dictTypeEntity.getDictType(), dictTypeDataMap.get(dictTypeEntity.getId())
-                            .stream().collect(Collectors.toMap(SysDictDataEntity::getDictValue, SysDictDataEntity::getDictLabel)));
+                    try {
+                        dictionaryTransService.refreshCache(dictTypeEntity.getDictType(), dictTypeDataMap.get(dictTypeEntity.getId())
+                                .stream().collect(Collectors.toMap(SysDictDataEntity::getDictValue, SysDictDataEntity::getDictLabel)));
+                    } catch (Exception e) {
+                        log.error("刷新字典缓存异常: type=" + dictTypeEntity, e);
+                    }
                 }
             }
             return null;