修复数据字典无法修改备注描述的问题

shandan-system/src/main/java/com/keyware/shandan/system/service/impl/SysDictServiceImpl.java

@@ -8,7 +8,9 @@ import com.keyware.shandan.system.entity.SysDictType;
 import com.keyware.shandan.system.mapper.SysDictMapper;
 import com.keyware.shandan.system.service.SysDictService;
 import com.keyware.shandan.system.utils.DictUtil;
+import com.keyware.shandan.system.utils.StringUtil;
 import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
 
 import java.io.Serializable;
 
@@ -24,10 +26,13 @@ import java.io.Serializable;
 public class SysDictServiceImpl extends BaseServiceImpl<SysDictMapper, SysDict, String> implements SysDictService {
     @Override
     public Result<SysDict> updateOrSave(SysDict entity) throws Exception {
+        SysDict old = getById(entity.getId());
+        if(old == null || !entity.getDictName().equals(old.getDictName())){
             SysDict existDict = getDictByTypeAndName(entity.getTypeId(), entity.getDictName());
             if(existDict != null){
                 return Result.of(null, false, "字典名称已存在");
             }
+        }
         entity.setDictCode(entity.getDictName());
         // entity.setDictValue(entity.getDictName());
         boolean ok = super.saveOrUpdate(entity);