diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpMassMessageServiceImpl.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpMassMessageServiceImpl.java
index 2b23b0ba6..caca3cd05 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpMassMessageServiceImpl.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpMassMessageServiceImpl.java
@@ -11,6 +11,8 @@ import me.chanjar.weixin.mp.bean.result.WxMpMassSendResult;
 import me.chanjar.weixin.mp.bean.result.WxMpMassUploadResult;
 import me.chanjar.weixin.mp.enums.WxMpApiUrl;
 
+import static me.chanjar.weixin.mp.enums.WxMpApiUrl.*;
+
 /**
  * <pre>
  * 群发消息服务类
@@ -26,31 +28,31 @@ public class WxMpMassMessageServiceImpl implements WxMpMassMessageService {
 
   @Override
   public WxMpMassUploadResult massNewsUpload(WxMpMassNews news) throws WxErrorException {
-    String responseContent = this.wxMpService.post(WxMpApiUrl.MassMessage.MEDIA_UPLOAD_NEWS_URL, news.toJson());
+    String responseContent = this.wxMpService.post(MassMessage.MEDIA_UPLOAD_NEWS_URL, news.toJson());
     return WxMpMassUploadResult.fromJson(responseContent);
   }
 
   @Override
   public WxMpMassUploadResult massVideoUpload(WxMpMassVideo video) throws WxErrorException {
-    String responseContent = this.wxMpService.post(WxMpApiUrl.MassMessage.MEDIA_UPLOAD_VIDEO_URL, video.toJson());
+    String responseContent = this.wxMpService.post(MassMessage.MEDIA_UPLOAD_VIDEO_URL, video.toJson());
     return WxMpMassUploadResult.fromJson(responseContent);
   }
 
   @Override
   public WxMpMassSendResult massGroupMessageSend(WxMpMassTagMessage message) throws WxErrorException {
-    String responseContent = this.wxMpService.post(WxMpApiUrl.MassMessage.MESSAGE_MASS_SENDALL_URL, message.toJson());
+    String responseContent = this.wxMpService.post(MassMessage.MESSAGE_MASS_SENDALL_URL, message.toJson());
     return WxMpMassSendResult.fromJson(responseContent);
   }
 
   @Override
   public WxMpMassSendResult massOpenIdsMessageSend(WxMpMassOpenIdsMessage message) throws WxErrorException {
-    String responseContent = this.wxMpService.post(WxMpApiUrl.MassMessage.MESSAGE_MASS_SEND_URL, message.toJson());
+    String responseContent = this.wxMpService.post(MassMessage.MESSAGE_MASS_SEND_URL, message.toJson());
     return WxMpMassSendResult.fromJson(responseContent);
   }
 
   @Override
   public WxMpMassSendResult massMessagePreview(WxMpMassPreviewMessage wxMpMassPreviewMessage) throws WxErrorException {
-    String responseContent = this.wxMpService.post(WxMpApiUrl.MassMessage.MESSAGE_MASS_PREVIEW_URL, wxMpMassPreviewMessage.toJson());
+    String responseContent = this.wxMpService.post(MassMessage.MESSAGE_MASS_PREVIEW_URL, wxMpMassPreviewMessage.toJson());
     return WxMpMassSendResult.fromJson(responseContent);
   }
 
@@ -59,7 +61,7 @@ public class WxMpMassMessageServiceImpl implements WxMpMassMessageService {
     JsonObject jsonObject = new JsonObject();
     jsonObject.addProperty("msg_id", msgId);
     jsonObject.addProperty("article_idx", articleIndex);
-    this.wxMpService.post(WxMpApiUrl.MassMessage.MESSAGE_MASS_DELETE_URL, jsonObject.toString());
+    this.wxMpService.post(MassMessage.MESSAGE_MASS_DELETE_URL, jsonObject.toString());
   }
 
 }
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/WxMpMassTagMessage.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/WxMpMassTagMessage.java
index 0a72814af..5e0b638e9 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/WxMpMassTagMessage.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/WxMpMassTagMessage.java
@@ -7,7 +7,7 @@ import me.chanjar.weixin.mp.util.json.WxMpGsonBuilder;
 import java.io.Serializable;
 
 /**
- * 按标签群发的消息
+ * 按标签群发的消息.
  *
  * @author chanjarster
  */
@@ -16,12 +16,12 @@ public class WxMpMassTagMessage implements Serializable {
   private static final long serialVersionUID = -6625914040986749286L;
 
   /**
-   * 标签id，如果不设置则就意味着发给所有用户
+   * 标签id，如果不设置则就意味着发给所有用户.
    */
   private Long tagId;
   /**
    * <pre>
-   * 消息类型
+   * 消息类型.
    * 请使用
    * {@link WxConsts.MassMsgType#IMAGE}
    * {@link WxConsts.MassMsgType#MPNEWS}
@@ -35,17 +35,17 @@ public class WxMpMassTagMessage implements Serializable {
   private String content;
   private String mediaId;
   /**
-   * 是否群发给所有用户
+   * 是否群发给所有用户.
    */
   private boolean isSendAll = false;
 
   /**
-   * 文章被判定为转载时，是否继续进行群发操作。
+   * 文章被判定为转载时，是否继续进行群发操作.
    */
   private boolean sendIgnoreReprint = false;
 
   /**
-   * 开发者侧群发msgid，长度限制64字节，如不填，则后台默认以群发范围和群发内容的摘要值做为clientmsgid
+   * 开发者侧群发msgid，长度限制64字节，如不填，则后台默认以群发范围和群发内容的摘要值做为clientmsgid.
    */
   private String clientMsgId;
 
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/util/json/WxMpMassTagMessageGsonAdapter.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/util/json/WxMpMassTagMessageGsonAdapter.java
index 3d8f58ffa..b73540d1f 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/util/json/WxMpMassTagMessageGsonAdapter.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/util/json/WxMpMassTagMessageGsonAdapter.java
@@ -11,7 +11,9 @@ import org.apache.commons.lang3.StringUtils;
 import java.lang.reflect.Type;
 
 /**
- * @author someone
+ * 群发消息json转换适配器.
+ *
+ * @author chanjarster
  */
 public class WxMpMassTagMessageGsonAdapter implements JsonSerializer<WxMpMassTagMessage> {