diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysConfigServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysConfigServiceImpl.java
index 7b5d061c..d0b37c5e 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysConfigServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysConfigServiceImpl.java
@@ -20,6 +20,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import javax.annotation.PostConstruct;
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
 import java.util.Map;
@@ -157,9 +158,9 @@ public class SysConfigServiceImpl extends ServiceImpl<SysConfigMapper, SysConfig
 			if (StrUtil.equals(UserConstants.YES, config.getConfigType())) {
 				throw new CustomException(String.format("内置参数【%1$s】不能删除 ", config.getConfigKey()));
 			}
-			baseMapper.deleteById(configId);
 			redisCache.deleteObject(getCacheKey(config.getConfigKey()));
 		}
+		baseMapper.deleteBatchIds(Arrays.asList(configIds));
 	}
 
 	/**
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDictDataServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDictDataServiceImpl.java
index 70385659..4b08a141 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDictDataServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDictDataServiceImpl.java
@@ -11,6 +11,7 @@ import com.ruoyi.system.mapper.SysDictDataMapper;
 import com.ruoyi.system.service.ISysDictDataService;
 import org.springframework.stereotype.Service;
 
+import java.util.Arrays;
 import java.util.List;
 
 /**
@@ -83,10 +84,10 @@ public class SysDictDataServiceImpl extends ServiceImpl<SysDictDataMapper, SysDi
 	public void deleteDictDataByIds(Long[] dictCodes) {
 		for (Long dictCode : dictCodes) {
 			SysDictData data = selectDictDataById(dictCode);
-			baseMapper.deleteById(dictCode);
 			List<SysDictData> dictDatas = baseMapper.selectDictDataByType(data.getDictType());
 			DictUtils.setDictCache(data.getDictType(), dictDatas);
 		}
+		baseMapper.deleteBatchIds(Arrays.asList(dictCodes));
 	}
 
 	/**
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDictTypeServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDictTypeServiceImpl.java
index 79a4036e..c4f9d955 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDictTypeServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDictTypeServiceImpl.java
@@ -21,6 +21,7 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import javax.annotation.PostConstruct;
+import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
 
@@ -32,9 +33,6 @@ import java.util.Map;
 @Service
 public class SysDictTypeServiceImpl extends ServiceImpl<SysDictTypeMapper, SysDictType> implements ISysDictTypeService {
 
-	@Autowired
-	private SysDictTypeMapper dictTypeMapper;
-
 	@Autowired
 	private SysDictDataMapper dictDataMapper;
 
@@ -149,9 +147,9 @@ public class SysDictTypeServiceImpl extends ServiceImpl<SysDictTypeMapper, SysDi
 				.eq(SysDictData::getDictType, dictType.getDictType())) > 0) {
 				throw new CustomException(String.format("%1$s已分配,不能删除", dictType.getDictName()));
 			}
-			dictTypeMapper.deleteById(dictId);
 			DictUtils.removeDictCache(dictType.getDictType());
 		}
+		baseMapper.deleteBatchIds(Arrays.asList(dictIds));
 	}
 
 	/**
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserServiceImpl.java
index f729a818..3133703f 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserServiceImpl.java
@@ -100,7 +100,7 @@ public class SysUserServiceImpl extends ServiceImpl<SysUserMapper, SysUser> impl
     @Override
     public String selectUserRoleGroup(String userName) {
         List<SysRole> list = roleMapper.selectRolesByUserName(userName);
-        StringBuffer idsStr = new StringBuffer();
+        StringBuilder idsStr = new StringBuilder();
         for (SysRole role : list) {
             idsStr.append(role.getRoleName()).append(",");
         }
@@ -119,7 +119,7 @@ public class SysUserServiceImpl extends ServiceImpl<SysUserMapper, SysUser> impl
     @Override
     public String selectUserPostGroup(String userName) {
         List<SysPost> list = postMapper.selectPostsByUserName(userName);
-        StringBuffer idsStr = new StringBuffer();
+        StringBuilder idsStr = new StringBuilder();
         for (SysPost post : list) {
             idsStr.append(post.getPostName()).append(",");
         }