diff --git a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/service/impl/SysDictServiceImpl.java b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/service/impl/SysDictServiceImpl.java
index 7914ac22..0764f9f9 100644
--- a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/service/impl/SysDictServiceImpl.java
+++ b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/service/impl/SysDictServiceImpl.java
@@ -190,7 +190,7 @@ public class SysDictServiceImpl extends ServiceImpl<SysDictMapper, SysDict> impl
 	//update-end--Author:lvdandan  Date:20201204 for：JT-36【online】树形列表bug修改后，还是显示原来值 暂时去掉缓存
 	public List<String> queryTableDictByKeys(String table, String text, String code, String keys, boolean delNotExist) {
 		if(oConvertUtils.isEmpty(keys)){
-			return null;
+			return Collections.emptyList();
 		}
 		String[] keyArray = keys.split(",");
 		List<DictModel> dicts = sysDictMapper.queryTableDictByKeys(table, text, code, keyArray);
@@ -371,7 +371,7 @@ public class SysDictServiceImpl extends ServiceImpl<SysDictMapper, SysDict> impl
 
 	@Override
 	public List<DictModel> queryDictTablePageList(DictQuery query, int pageSize, int pageNo) {
-		Page page = new Page(pageNo,pageSize,false);
+		Page<DictModel> page = new Page<>(pageNo,pageSize,false);
 		Page<DictModel> pageList = baseMapper.queryDictTablePageList(page, query);
 		return pageList.getRecords();
 	}
@@ -385,7 +385,7 @@ public class SysDictServiceImpl extends ServiceImpl<SysDictMapper, SysDict> impl
 			String[] params = dictCode.split(",");
 			if (params.length < 3) {
 				// 字典Code格式不正确
-				return null;
+				return Collections.emptyList();
 			}
 			//SQL注入校验（只限制非法串改数据库）
 			final String[] sqlInjCheck = {params[0], params[1], params[2]};
@@ -398,7 +398,7 @@ public class SysDictServiceImpl extends ServiceImpl<SysDictMapper, SysDict> impl
 				ls = this.queryTableDictItemsByCode(params[0], params[1], params[2]);
 			} else {
 				// 字典Code格式不正确
-				return null;
+				return Collections.emptyList();
 			}
 		} else {
 			//字典表
@@ -415,7 +415,7 @@ public class SysDictServiceImpl extends ServiceImpl<SysDictMapper, SysDict> impl
 			String condition = null;
 			if (params.length != 3 && params.length != 4) {
 				// 字典Code格式不正确
-				return null;
+				return Collections.emptyList();
 			} else if (params.length == 4) {
 				condition = params[3];
 			}
@@ -429,7 +429,7 @@ public class SysDictServiceImpl extends ServiceImpl<SysDictMapper, SysDict> impl
 			return ls;
 		} else {
 			// 字典Code格式不正确
-			return null;
+			return Collections.emptyList();
 		}
 	}