diff --git a/src/main/java/chanjarster/weixin/api/WxService.java b/src/main/java/chanjarster/weixin/api/WxService.java
index 4f6e30b15..c2f1ee38d 100644
--- a/src/main/java/chanjarster/weixin/api/WxService.java
+++ b/src/main/java/chanjarster/weixin/api/WxService.java
@@ -189,6 +189,16 @@ public interface WxService {
    */
   public WxGroup groupCreate(String name) throws WxErrorException;
   
+  /**
+   * <pre>
+   * 分组管理接口 - 查询所有分组
+   * 详情请见: http://mp.weixin.qq.com/wiki/index.php?title=分组管理接口
+   * </pre>
+   * @return
+   * @throws WxErrorException
+   */
+  public List<WxGroup> groupGet() throws WxErrorException;
+  
   /**
    * <pre>
    * 分组管理接口 - 查询用户所在分组
@@ -213,14 +223,17 @@ public interface WxService {
   
   /**
    * <pre>
-   * 分组管理接口 - 查询所有分组
+   * 分组管理接口 - 移动用户分组
    * 详情请见: http://mp.weixin.qq.com/wiki/index.php?title=分组管理接口
+   * 
+   * 如果to_groupid为0(未分组),1(黑名单),2(星标组)，或者不存在的id，微信会返回系统繁忙的错误
    * </pre>
-   * @return
+   * @param openid      用户openid
+   * @param to_groupid  移动到的分组id
    * @throws WxErrorException
    */
-  public List<WxGroup> groupGet() throws WxErrorException;
-  
+  public void groupMoveUser(String openid, long to_groupid) throws WxErrorException;
+
   /**
    * 注入 {@link WxConfigStorage} 的实现
    * @param wxConfigProvider
diff --git a/src/main/java/chanjarster/weixin/api/WxServiceImpl.java b/src/main/java/chanjarster/weixin/api/WxServiceImpl.java
index ee8440038..f414e0c44 100644
--- a/src/main/java/chanjarster/weixin/api/WxServiceImpl.java
+++ b/src/main/java/chanjarster/weixin/api/WxServiceImpl.java
@@ -226,6 +226,11 @@ public class WxServiceImpl implements WxService {
     execute(new SimplePostRequestExecutor(), url, group.toJson());
   }
   
+  public void groupMoveUser(String openid, long to_groupid) throws WxErrorException {
+    String url = "https://api.weixin.qq.com/cgi-bin/groups/members/update";
+    execute(new SimplePostRequestExecutor(), url, MessageFormat.format("'{'\"openid\":\"{0}\", \"to_groupid\":{1,number,#}}", openid, to_groupid));
+  }
+  
   /**
    * 向微信端发送请求，在这里执行的策略是当发生access_token过期时才去刷新，然后重新执行请求，而不是全局定时请求
    * @param executor
diff --git a/src/main/java/chanjarster/weixin/bean/WxGroup.java b/src/main/java/chanjarster/weixin/bean/WxGroup.java
index cc72c56bc..5ff232156 100644
--- a/src/main/java/chanjarster/weixin/bean/WxGroup.java
+++ b/src/main/java/chanjarster/weixin/bean/WxGroup.java
@@ -9,7 +9,7 @@ import chanjarster.weixin.util.json.WxGsonBuilder;
  */
 public class WxGroup {
 
-  private long id;
+  private long id = -1;
   private String name;
   private long count;
   public long getId() {
diff --git a/src/test/java/chanjarster/weixin/api/WxGroupAPITest.java b/src/test/java/chanjarster/weixin/api/WxGroupAPITest.java
index 9542759cb..d592c5e0c 100644
--- a/src/test/java/chanjarster/weixin/api/WxGroupAPITest.java
+++ b/src/test/java/chanjarster/weixin/api/WxGroupAPITest.java
@@ -24,6 +24,8 @@ public class WxGroupAPITest {
   @Inject
   protected WxServiceImpl wxService;
 
+  protected WxGroup group;
+  
   public void testGroupCreate() throws WxErrorException {
     WxGroup res = wxService.groupCreate("测试分组1");
     Assert.assertEquals(res.getName(), "测试分组1");
@@ -35,7 +37,7 @@ public class WxGroupAPITest {
     Assert.assertNotNull(groupList);
     Assert.assertTrue(groupList.size() > 0);
     for (WxGroup g : groupList) {
-      System.out.println(g.toString());
+      group = g;
       Assert.assertNotNull(g.getName());
     }
   }
@@ -44,12 +46,18 @@ public class WxGroupAPITest {
   public void testGroupQueryUserGroup() throws WxErrorException {
     WxXmlConfigStorage configStorage = (WxXmlConfigStorage) wxService.wxConfigStorage;
     long groupid = wxService.groupQueryUserGroup(configStorage.getOpenId());
+    Assert.assertTrue(groupid != -1l);
   }
   
+  @Test(dependsOnMethods={"testGroupGet", "testGroupCreate"})
   public void getGroupUpdate() throws WxErrorException {
-    WxGroup group = new WxGroup();
-    group.setId(3);
-    group.setName("未命名分组");
+    group.setName("分组改名");
     wxService.groupUpdate(group);
   }
+
+  @Test(dependsOnMethods={"testGroupGet", "testGroupCreate"})
+  public void getGroupMoveUser() throws WxErrorException {
+    WxXmlConfigStorage configStorage = (WxXmlConfigStorage) wxService.wxConfigStorage;
+    wxService.groupMoveUser(configStorage.getOpenId(), group.getId());
+  }
 }