diff --git a/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxConsts.java b/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxConsts.java
index 0799419b9..37812de76 100644
--- a/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxConsts.java
+++ b/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxConsts.java
@@ -151,14 +151,32 @@ public class WxConsts {
     public static final String CLICK = "CLICK";
     public static final String VIEW = "VIEW";
     public static final String MASS_SEND_JOB_FINISH = "MASSSENDJOBFINISH";
+    /**
+     * 扫码推事件的事件推送
+     */
     public static final String SCANCODE_PUSH = "scancode_push";
+    /**
+     * 扫码推事件且弹出“消息接收中”提示框的事件推送.
+     */
     public static final String SCANCODE_WAITMSG = "scancode_waitmsg";
+    /**
+     * 弹出系统拍照发图的事件推送.
+     */
     public static final String PIC_SYSPHOTO = "pic_sysphoto";
+    /**
+     * 弹出拍照或者相册发图的事件推送.
+     */
     public static final String PIC_PHOTO_OR_ALBUM = "pic_photo_or_album";
+    /**
+     * 弹出微信相册发图器的事件推送.
+     */
     public static final String PIC_WEIXIN = "pic_weixin";
+    /**
+     * 弹出地理位置选择器的事件推送.
+     */
     public static final String LOCATION_SELECT = "location_select";
+
     public static final String TEMPLATE_SEND_JOB_FINISH = "TEMPLATESENDJOBFINISH";
-    public static final String ENTER_AGENT = "enter_agent";
     /**
      * 微信小店 订单付款通知.
      */
diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/WxCpConsts.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/WxCpConsts.java
new file mode 100644
index 000000000..4eb52a903
--- /dev/null
+++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/WxCpConsts.java
@@ -0,0 +1,129 @@
+package me.chanjar.weixin.cp;
+
+/**
+ * <pre>
+ * 企业微信常量
+ * Created by Binary Wang on 2018/8/25.
+ * </pre>
+ *
+ * @author <a href="https://github.com/binarywang">Binary Wang</a>
+ */
+public class WxCpConsts {
+  /**
+   * 企业微信端推送过来的事件类型.
+   * 参考文档：https://work.weixin.qq.com/api/doc#12974
+   */
+  public static class EventType {
+    /**
+     * 成员关注事件.
+     */
+    public static final String SUBSCRIBE = "subscribe";
+
+    /**
+     * 成员取消关注事件.
+     */
+    public static final String UNSUBSCRIBE = "unsubscribe";
+
+    /**
+     * 进入应用事件.
+     */
+    public static final String ENTER_AGENT = "enter_agent";
+
+    /**
+     * 上报地理位置.
+     */
+    public static final String LOCATION = "LOCATION";
+
+    /**
+     * 异步任务完成事件推送.
+     */
+    public static final String BATCH_JOB_RESULT = "batch_job_result";
+
+    /**
+     * 企业微信通讯录变更事件.
+     */
+    public static final String CHANGE_CONTACT = "change_contact";
+
+    /**
+     * 点击菜单拉取消息的事件推送.
+     */
+    public static final String CLICK = "click";
+
+    /**
+     * 点击菜单跳转链接的事件推送.
+     */
+    public static final String VIEW = "view";
+
+    /**
+     * 扫码推事件的事件推送.
+     */
+    public static final String SCANCODE_PUSH = "scancode_push";
+
+    /**
+     * 扫码推事件且弹出“消息接收中”提示框的事件推送.
+     */
+    public static final String SCANCODE_WAITMSG = "scancode_waitmsg";
+
+    /**
+     * 弹出系统拍照发图的事件推送.
+     */
+    public static final String PIC_SYSPHOTO = "pic_sysphoto";
+
+    /**
+     * 弹出拍照或者相册发图的事件推送.
+     */
+    public static final String PIC_PHOTO_OR_ALBUM = "pic_photo_or_album";
+
+    /**
+     * 弹出微信相册发图器的事件推送.
+     */
+    public static final String PIC_WEIXIN = "pic_weixin";
+
+    /**
+     * 弹出地理位置选择器的事件推送.
+     */
+    public static final String LOCATION_SELECT = "location_select";
+
+  }
+
+  /**
+   * 企业微信通讯录变更事件.
+   */
+  public static class ContactChangeType {
+    /**
+     * 新增成员事件.
+     */
+    public static final String CREATE_USER = "create_user";
+
+    /**
+     * 更新成员事件.
+     */
+    public static final String UPDATE_USER = "update_user";
+
+    /**
+     * 删除成员事件.
+     */
+    public static final String DELETE_USER = "delete_user";
+
+    /**
+     * 新增部门事件.
+     */
+    public static final String CREATE_PARTY = "create_party";
+
+    /**
+     * 更新部门事件.
+     */
+    public static final String UPDATE_PARTY = "update_party";
+
+    /**
+     * 删除部门事件.
+     */
+    public static final String DELETE_PARTY = "delete_party";
+
+    /**
+     * 标签成员变更事件.
+     */
+    public static final String UPDATE_TAG = "update_tag";
+
+  }
+}