diff --git a/eladmin-system/src/main/java/me/zhengjie/config/DataScope.java b/eladmin-system/src/main/java/me/zhengjie/config/DataScope.java
index 99de2835..69dfb1e6 100644
--- a/eladmin-system/src/main/java/me/zhengjie/config/DataScope.java
+++ b/eladmin-system/src/main/java/me/zhengjie/config/DataScope.java
@@ -8,6 +8,9 @@ import me.zhengjie.modules.system.service.dto.RoleSmallDto;
 import me.zhengjie.modules.system.service.dto.UserDto;
 import me.zhengjie.utils.SecurityUtils;
 import org.springframework.stereotype.Component;
+import org.springframework.util.CollectionUtils;
+import org.springframework.util.ObjectUtils;
+
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
@@ -21,7 +24,7 @@ import java.util.Set;
 @Component
 public class DataScope {
 
-    private final String[] scopeType = {"全部","本级","自定义"};
+    private final String[] scopeType = {"全部","本级","子级","自定义"};
 
     private final UserService userService;
 
@@ -55,9 +58,14 @@ public class DataScope {
             if (scopeType[1].equals(role.getDataScope())) {
                 deptIds.add(user.getDept().getId());
             }
+            // 存储本级和子级的数据权限
+            if (scopeType[2].equals(role.getDataScope())) {
+                deptIds.add(user.getDept().getId());
+                deptIds.addAll(getDeptChildren(deptService.findByPid(user.getDept().getId())));
+            }
 
             // 存储自定义的数据权限
-            if (scopeType[2].equals(role.getDataScope())) {
+            if (scopeType[3].equals(role.getDataScope())) {
                 Set<Dept> depts = deptService.findByRoleIds(role.getId());
                 for (Dept dept : depts) {
                     deptIds.add(dept.getId());
@@ -71,6 +79,34 @@ public class DataScope {
         return deptIds;
     }
 
+    /**
+     * 根据部门ID 获取所以子级部门ID，包括本机
+     * @param deptPid
+     * @return
+     */
+    public Set<Long> getDeptIdsByPid(Long deptPid){
+        Set<Long> deptSet = new HashSet<>();
+        Set<Long> result = new HashSet<>();
+        if (!ObjectUtils.isEmpty(deptPid)) {
+            deptSet.add(deptPid);
+            deptSet.addAll(getDeptChildren(deptService.findByPid(deptPid)));
+        }
+        // 数据权限
+        Set<Long> deptIds = getDeptIds();
+        // 查询条件不为空并且数据权限不为空则取交集
+        if (!CollectionUtils.isEmpty(deptIds) && !CollectionUtils.isEmpty(deptSet)){
+            // 取交集
+            result.addAll(deptSet);
+            result.retainAll(deptIds);
+            // 若无交集，则代表无数据权限
+            return result;
+            // 否则取并集
+        } else {
+            result.addAll(deptSet);
+            result.addAll(deptIds);
+            return result;
+        }
+    }
 
     public List<Long> getDeptChildren(List<Dept> deptList) {
         List<Long> list = new ArrayList<>();