diff --git a/service/src/main/java/com/hzya/frame/dingtalk/service/IDingTalkService.java b/service/src/main/java/com/hzya/frame/dingtalk/service/IDingTalkService.java
index 1124a11c..8429bc1c 100644
--- a/service/src/main/java/com/hzya/frame/dingtalk/service/IDingTalkService.java
+++ b/service/src/main/java/com/hzya/frame/dingtalk/service/IDingTalkService.java
@@ -1,7 +1,12 @@
 package com.hzya.frame.dingtalk.service;
 
+import com.dingtalk.api.request.OapiV2UserListRequest;
 import com.dingtalk.api.response.OapiV2DepartmentGetResponse;
+import com.dingtalk.api.response.OapiV2DepartmentListsubResponse;
 import com.dingtalk.api.response.OapiV2UserGetResponse;
+import com.dingtalk.api.response.OapiV2UserListResponse;
+
+import java.util.List;
 
 /**
  * @Description 钉钉service
@@ -26,6 +31,14 @@ public interface IDingTalkService {
      */
     OapiV2UserGetResponse.UserGetResponse getUserById(String userId);
 
+    /**
+     * 获取部门用户列表
+     * @param req 请求参数
+     * @param appKey
+     * @param appSecret
+     * @return
+     */
+    OapiV2UserListResponse.PageResult getUserListByDeptId(OapiV2UserListRequest req, String appKey, String appSecret);
     /**
      * 根据部门id获取部门详情
      * @param deptId 钉钉部门id
@@ -41,4 +54,13 @@ public interface IDingTalkService {
      * @return
      */
     OapiV2DepartmentGetResponse.DeptGetResponse getDeptById(Long deptId);
+
+    /**
+     * 获取部门列表，此接口只会返回下一级部门信息
+     * @param deptId 部门id，如果不传则查询一级部门
+     * @param appKey
+     * @param appSecret
+     * @return
+     */
+    List<OapiV2DepartmentListsubResponse.DeptBaseResponse> getDeptList(Long deptId,String appKey,String appSecret);
 }
diff --git a/service/src/main/java/com/hzya/frame/dingtalk/service/impl/DingTalkServiceImpl.java b/service/src/main/java/com/hzya/frame/dingtalk/service/impl/DingTalkServiceImpl.java
index 3c2be4c4..89b4bd3e 100644
--- a/service/src/main/java/com/hzya/frame/dingtalk/service/impl/DingTalkServiceImpl.java
+++ b/service/src/main/java/com/hzya/frame/dingtalk/service/impl/DingTalkServiceImpl.java
@@ -4,9 +4,13 @@ import com.alibaba.fastjson.JSONObject;
 import com.dingtalk.api.DefaultDingTalkClient;
 import com.dingtalk.api.DingTalkClient;
 import com.dingtalk.api.request.OapiV2DepartmentGetRequest;
+import com.dingtalk.api.request.OapiV2DepartmentListsubRequest;
 import com.dingtalk.api.request.OapiV2UserGetRequest;
+import com.dingtalk.api.request.OapiV2UserListRequest;
 import com.dingtalk.api.response.OapiV2DepartmentGetResponse;
+import com.dingtalk.api.response.OapiV2DepartmentListsubResponse;
 import com.dingtalk.api.response.OapiV2UserGetResponse;
+import com.dingtalk.api.response.OapiV2UserListResponse;
 import com.hzya.frame.dingtalk.service.IDingTalkService;
 import com.hzya.frame.dingtalk.util.DingTalkAccessToken;
 import org.slf4j.Logger;
@@ -14,6 +18,8 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
+
 /**
  * @Description 钉钉service
  * @Author xiangerlin
@@ -67,6 +73,30 @@ public class DingTalkServiceImpl implements IDingTalkService {
         return getUserById(userId,dAppKey,dAppSecret);
     }
 
+    /**
+     * 获取部门用户列表
+     *
+     * @param req 请求参数
+     * @param appKey
+     * @param appSecret
+     * @return
+     */
+    @Override
+    public OapiV2UserListResponse.PageResult getUserListByDeptId(OapiV2UserListRequest req, String appKey, String appSecret) {
+        try {
+            DingTalkClient client = new DefaultDingTalkClient("https://oapi.dingtalk.com/topapi/v2/user/list");
+            req.setSize(100L);//每页最大只能查100条
+            req.setOrderField("modify_desc");
+            req.setContainAccessLimit(false);
+            req.setLanguage("zh_CN");
+            OapiV2UserListResponse rsp = client.execute(req, DingTalkAccessToken.getAccessToken(appKey,appSecret));
+            OapiV2UserListResponse.PageResult result = rsp.getResult();
+            return result;
+        }catch (Exception e){
+            e.printStackTrace();
+        }
+        return null;
+    }
 
     /**
      * 根据部门id获取部门详情
@@ -107,4 +137,28 @@ public class DingTalkServiceImpl implements IDingTalkService {
         return getDeptById(deptId,dAppKey,dAppSecret);
     }
 
+    /**
+     * 获取部门列表，此接口只会返回下一级部门信息
+     * @param deptId 部门id，如果不传则查询一级部门
+     * @param appKey
+     * @param appSecret
+     * @return
+     */
+    @Override
+    public List<OapiV2DepartmentListsubResponse.DeptBaseResponse> getDeptList(Long deptId,String appKey,String appSecret) {
+        try {
+            DingTalkClient client = new DefaultDingTalkClient("https://oapi.dingtalk.com/topapi/v2/department/listsub");
+            OapiV2DepartmentListsubRequest req = new OapiV2DepartmentListsubRequest();
+            req.setDeptId(deptId);
+            req.setLanguage("zh_CN");
+            OapiV2DepartmentListsubResponse rsp = client.execute(req, DingTalkAccessToken.getAccessToken(appKey,appSecret));
+            if (rsp.isSuccess()){
+                List<OapiV2DepartmentListsubResponse.DeptBaseResponse> result = rsp.getResult();
+                return result;
+            }
+        }catch (Exception e){
+            logger.error("获取部门列表接口出错:{}",e);
+        }
+        return null;
+    }
 }