diff --git a/src/lib.rs b/src/lib.rs
index ae357cf..c1b699e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -14,6 +14,7 @@ mod msg;
 use msg::*;
 
 pub use msg:: {
+    DingTalkType,
     DingTalkMessage,
     DingTalkMessageType,
     DingTalkMessageActionCardHideAvatar,
@@ -30,18 +31,6 @@ const APPLICATION_JSON_UTF8: &str = "application/json; charset=utf-8";
 const DEFAULT_DINGTALK_ROBOT_URL: &str = "https://oapi.dingtalk.com/robot/send";
 const DEFAULT_WECHAT_WORK_ROBOT_URL: &str = "https://qyapi.weixin.qq.com/cgi-bin/webhook/send";
 
-/// Send Dingtalk or WeChatWork message
-#[derive(Clone, Copy, Debug)]
-pub enum DingTalkType {
-
-    DingTalk,
-
-    WeChatWork,
-}
-
-impl Default for DingTalkType {
-    fn default() -> Self { DingTalkType::DingTalk }
-}
 
 /// `DingTalk` is a simple SDK for DingTalk webhook robot
 /// 
diff --git a/src/msg.rs b/src/msg.rs
index c08f177..558b558 100644
--- a/src/msg.rs
+++ b/src/msg.rs
@@ -1,6 +1,19 @@
 use serde::{Serialize, Deserialize};
 
 
+/// Send Dingtalk or WeChatWork message
+#[derive(Clone, Copy, Debug)]
+pub enum DingTalkType {
+
+    DingTalk,
+
+    WeChatWork,
+}
+
+impl Default for DingTalkType {
+    fn default() -> Self { DingTalkType::DingTalk }
+}
+
 /// DingTalk message type
 /// * Text - text message
 /// * Markdown - markdown message