diff --git a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/WxMaMsgService.java b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/WxMaMsgService.java
index 2dc627eb9..43c28bb80 100644
--- a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/WxMaMsgService.java
+++ b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/WxMaMsgService.java
@@ -1,9 +1,7 @@
 package cn.binarywang.wx.miniapp.api;
 
-import cn.binarywang.wx.miniapp.bean.WxMaKefuMessage;
-import cn.binarywang.wx.miniapp.bean.WxMaSubscribeMessage;
-import cn.binarywang.wx.miniapp.bean.WxMaTemplateMessage;
-import cn.binarywang.wx.miniapp.bean.WxMaUniformMessage;
+import cn.binarywang.wx.miniapp.bean.*;
+import com.google.gson.JsonObject;
 import me.chanjar.weixin.common.error.WxErrorException;
 
 /**
@@ -18,6 +16,8 @@ public interface WxMaMsgService {
   String TEMPLATE_MSG_SEND_URL = "https://api.weixin.qq.com/cgi-bin/message/wxopen/template/send";
   String SUBSCRIBE_MSG_SEND_URL = "https://api.weixin.qq.com/cgi-bin/message/subscribe/send";
   String UNIFORM_MSG_SEND_URL = "https://api.weixin.qq.com/cgi-bin/message/wxopen/template/uniform_send";
+  String ACTIVITY_ID_CREATE_URL = "https://api.weixin.qq.com/cgi-bin/message/wxopen/activityid/create";
+  String UPDATABLE_MSG_SEND_URL = "https://api.weixin.qq.com/cgi-bin/message/wxopen/updatablemsg/send";
 
   /**
    * <pre>
@@ -25,6 +25,10 @@ public interface WxMaMsgService {
    * 详情请见: <a href="https://developers.weixin.qq.com/miniprogram/dev/api-backend/customerServiceMessage.send.html">发送客服消息</a>
    * 接口url格式：https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=ACCESS_TOKEN
    * </pre>
+   *
+   * @param message 客服消息
+   * @return .
+   * @throws WxErrorException .
    */
   boolean sendKefuMsg(WxMaKefuMessage message) throws WxErrorException;
 
@@ -53,13 +57,43 @@ public interface WxMaMsgService {
    */
   void sendSubscribeMsg(WxMaSubscribeMessage subscribeMessage) throws WxErrorException;
 
-
   /**
    * <pre>
    * 下发小程序和公众号统一的服务消息
    * 详情请见: <a href="https://developers.weixin.qq.com/miniprogram/dev/api/open-api/uniform-message/sendUniformMessage.html">下发小程序和公众号统一的服务消息</a>
    * 接口url格式：https://api.weixin.qq.com/cgi-bin/message/wxopen/template/uniform_send?access_token=ACCESS_TOKEN
    * </pre>
+   *
+   * @param uniformMessage 消息
+   * @throws WxErrorException .
    */
   void sendUniformMsg(WxMaUniformMessage uniformMessage) throws WxErrorException;
+
+  /**
+   * <pre>
+   *  创建被分享动态消息的 activity_id.
+   *  动态消息: https://developers.weixin.qq.com/miniprogram/dev/framework/open-ability/share/updatable-message.html
+   *
+   *  文档地址：https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/updatable-message/updatableMessage.createActivityId.html
+   *  接口地址：GET https://api.weixin.qq.com/cgi-bin/message/wxopen/activityid/create?access_token=ACCESS_TOKEN
+   * </pre>
+   *
+   * @return .
+   * @throws WxErrorException .
+   */
+  JsonObject createUpdatableMessageActivityId() throws WxErrorException;
+
+  /**
+   * <pre>
+   *  修改被分享的动态消息.
+   *  动态消息: https://developers.weixin.qq.com/miniprogram/dev/framework/open-ability/share/updatable-message.html
+   *
+   *  文档地址：https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/updatable-message/updatableMessage.setUpdatableMsg.html
+   *  接口地址：POST https://api.weixin.qq.com/cgi-bin/message/wxopen/activityid/create?access_token=ACCESS_TOKEN
+   * </pre>
+   *
+   * @param msg 动态消息
+   * @throws WxErrorException .
+   */
+  void setUpdatableMsg(WxMaUpdatableMsg msg) throws WxErrorException;
 }
diff --git a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaMsgServiceImpl.java b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaMsgServiceImpl.java
index 1a059983e..c9e229e9e 100644
--- a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaMsgServiceImpl.java
+++ b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaMsgServiceImpl.java
@@ -2,11 +2,9 @@ package cn.binarywang.wx.miniapp.api.impl;
 
 import cn.binarywang.wx.miniapp.api.WxMaMsgService;
 import cn.binarywang.wx.miniapp.api.WxMaService;
-import cn.binarywang.wx.miniapp.bean.WxMaKefuMessage;
-import cn.binarywang.wx.miniapp.bean.WxMaSubscribeMessage;
-import cn.binarywang.wx.miniapp.bean.WxMaTemplateMessage;
-import cn.binarywang.wx.miniapp.bean.WxMaUniformMessage;
+import cn.binarywang.wx.miniapp.bean.*;
 import cn.binarywang.wx.miniapp.constant.WxMaConstants;
+import cn.binarywang.wx.miniapp.util.json.WxMaGsonBuilder;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
 import lombok.AllArgsConstructor;
@@ -55,4 +53,15 @@ public class WxMaMsgServiceImpl implements WxMaMsgService {
     }
   }
 
+  @Override
+  public JsonObject createUpdatableMessageActivityId() throws WxErrorException {
+    final String responseContent = this.wxMaService.get(ACTIVITY_ID_CREATE_URL, null);
+    return JSON_PARSER.parse(responseContent).getAsJsonObject();
+  }
+
+  @Override
+  public void setUpdatableMsg(WxMaUpdatableMsg msg) throws WxErrorException {
+    this.wxMaService.post(UPDATABLE_MSG_SEND_URL, WxMaGsonBuilder.create().toJson(msg));
+  }
+
 }
diff --git a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/bean/WxMaUpdatableMsg.java b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/bean/WxMaUpdatableMsg.java
new file mode 100644
index 000000000..98429b850
--- /dev/null
+++ b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/bean/WxMaUpdatableMsg.java
@@ -0,0 +1,76 @@
+package cn.binarywang.wx.miniapp.bean;
+
+import com.google.gson.annotations.SerializedName;
+import lombok.Data;
+import lombok.experimental.Accessors;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * 动态消息.
+ *
+ * @author <a href="https://github.com/binarywang">Binary Wang</a>
+ * @date 2020-02-17
+ */
+@Data
+@Accessors(chain = true)
+public class WxMaUpdatableMsg implements Serializable {
+  private static final long serialVersionUID = 6231957192034798165L;
+
+  /**
+   * 动态消息的 ID，通过 updatableMessage.createActivityId 接口获取
+   */
+  @SerializedName("activity_id")
+  private String activityId;
+
+  /**
+   * 动态消息修改后的状态
+   * 0	未开始
+   * 1	已开始
+   */
+  @SerializedName("target_state")
+  private Integer targetState;
+
+  /**
+   * 动态消息对应的模板信息
+   */
+  @SerializedName("template_info")
+  private TemplateInfo templateInfo;
+
+  @Data
+  @Accessors(chain = true)
+  public static class TemplateInfo implements Serializable {
+    private static final long serialVersionUID = -9218473401759062841L;
+
+    /**
+     * 模板中需要修改的参数
+     */
+    @SerializedName("parameter_list")
+    private List<Parameter> parameterList;
+  }
+
+  @Data
+  @Accessors(chain = true)
+  public static class Parameter implements Serializable {
+    private static final long serialVersionUID = 7444716050341038046L;
+
+    /**
+     * 要修改的参数名
+     * <pre>
+     * 合法值：
+     * member_count	target_state = 0 时必填，文字内容模板中 member_count 的值
+     * room_limit	target_state = 0 时必填，文字内容模板中 room_limit 的值
+     * path	target_state = 1 时必填，点击「进入」启动小程序时使用的路径。对于小游戏，没有页面的概念，可以用于传递查询字符串（query），如 "?foo=bar"
+     * version_type	target_state = 1 时必填，点击「进入」启动小程序时使用的版本。
+     * 有效参数值为：develop（开发版），trial（体验版），release（正式版）
+     * </pre>
+     */
+    private String name;
+
+    /**
+     * 修改后的参数值
+     */
+    private String value;
+  }
+}
diff --git a/weixin-java-miniapp/src/test/java/cn/binarywang/wx/miniapp/api/impl/WxMaMsgServiceImplTest.java b/weixin-java-miniapp/src/test/java/cn/binarywang/wx/miniapp/api/impl/WxMaMsgServiceImplTest.java
index 132ea55e8..7ff22290e 100644
--- a/weixin-java-miniapp/src/test/java/cn/binarywang/wx/miniapp/api/impl/WxMaMsgServiceImplTest.java
+++ b/weixin-java-miniapp/src/test/java/cn/binarywang/wx/miniapp/api/impl/WxMaMsgServiceImplTest.java
@@ -1,17 +1,20 @@
 package cn.binarywang.wx.miniapp.api.impl;
 
+import cn.binarywang.wx.miniapp.api.WxMaService;
+import cn.binarywang.wx.miniapp.bean.*;
+import cn.binarywang.wx.miniapp.test.ApiTestModule;
+import cn.binarywang.wx.miniapp.test.TestConfig;
+import com.google.common.collect.Lists;
+import com.google.gson.JsonObject;
+import com.google.inject.Inject;
+import me.chanjar.weixin.common.error.WxErrorException;
+import org.testng.annotations.Guice;
+import org.testng.annotations.Test;
+
 import java.text.SimpleDateFormat;
 import java.util.Date;
 
-import cn.binarywang.wx.miniapp.bean.*;
-import org.testng.annotations.*;
-
-import cn.binarywang.wx.miniapp.api.WxMaService;
-import cn.binarywang.wx.miniapp.test.ApiTestModule;
-import cn.binarywang.wx.miniapp.test.TestConfig;
-import com.google.common.collect.Lists;
-import com.google.inject.Inject;
-import me.chanjar.weixin.common.error.WxErrorException;
+import static org.assertj.core.api.Assertions.assertThat;
 
 /**
  * 测试消息相关接口
@@ -25,7 +28,8 @@ public class WxMaMsgServiceImplTest {
   @Inject
   private WxMaService wxService;
 
-  public void testSendKefuMessage() throws WxErrorException {
+  @Test
+  public void testSendKefuMsg() throws WxErrorException {
     TestConfig config = (TestConfig) this.wxService.getWxMaConfig();
     WxMaKefuMessage message = WxMaKefuMessage.newTextBuilder()
       .toUser(config.getOpenid())
@@ -74,7 +78,7 @@ public class WxMaMsgServiceImplTest {
   @Test
   public void testSendUniformMsg() throws WxErrorException {
     TestConfig config = (TestConfig) this.wxService.getWxMaConfig();
-    WxMaUniformMessage message =  WxMaUniformMessage.builder()
+    WxMaUniformMessage message = WxMaUniformMessage.builder()
       .isMpTemplateMsg(false)
       .toUser(config.getOpenid())
       .page("page/page/index")
@@ -89,4 +93,22 @@ public class WxMaMsgServiceImplTest {
 
     this.wxService.getMsgService().sendUniformMsg(message);
   }
+
+  @Test
+  public void testCreateUpdatableMessageActivityId() throws WxErrorException {
+    final JsonObject jsonObject = this.wxService.getMsgService().createUpdatableMessageActivityId();
+    assertThat(jsonObject).isNotNull();
+    assertThat(jsonObject.get("activity_id")).isNotNull();
+    System.out.println(jsonObject.get("activity_id"));
+    assertThat(jsonObject.get("expiration_time")).isNotNull();
+  }
+
+  @Test
+  public void testSetUpdatableMsg() throws WxErrorException {
+    this.wxService.getMsgService().setUpdatableMsg(new WxMaUpdatableMsg()
+      .setActivityId("1048_4f61uDloWPZl9pAs1dGx07vDiHKZ7FwJ0suohS1iMH5z8zhFktYk4nRqqBY~")
+      .setTargetState(1)
+      .setTemplateInfo(new WxMaUpdatableMsg.TemplateInfo()
+        .setParameterList(Lists.newArrayList(new WxMaUpdatableMsg.Parameter().setName("member_count").setValue("1")))));
+  }
 }