!163 处理问题 https://gitee.com/zhijiantianya/ruoyi-vue-pro/issues/I560LX

Merge pull request !163 from not_null/N/A

yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/permission/RoleServiceImpl.java

@@ -215,6 +215,9 @@ public class RoleServiceImpl implements RoleService {
 
     @Override
     public List<RoleDO> getRoles(@Nullable Collection<Integer> statuses) {
+        if (statuses==null) {
+    		return roleMapper.selectList();
+		}
         return roleMapper.selectListByStatus(statuses);
     }