diff --git a/message.go b/message.go
index 3ce8d7c..be2992f 100644
--- a/message.go
+++ b/message.go
@@ -185,8 +185,20 @@ func (m *Message) IsText() bool {
 	return m.MsgType == MsgTypeText && m.Url == ""
 }
 
-func (m *Message) IsMap() bool {
-	return m.MsgType == MsgTypeText && m.Url != ""
+func (m *Message) IsLocation() bool {
+	return m.MsgType == MsgTypeText && strings.Contains(m.Url, "api.map.qq.com") && strings.Contains(m.Content, "pictype=location")
+}
+
+func (m *Message) IsRealtimeLocation() bool {
+	return m.IsRealtimeLocationStart() || m.IsRealtimeLocationStop()
+}
+
+func (m *Message) IsRealtimeLocationStart() bool {
+	return m.MsgType == MsgTypeApp && m.AppMsgType == AppMsgTypeRealtimeShareLocation
+}
+
+func (m *Message) IsRealtimeLocationStop() bool {
+	return m.MsgType == MsgTypeSys && m.Content == "位置共享已经结束"
 }
 
 func (m *Message) IsPicture() bool {
diff --git a/source/message.md b/source/message.md
index d3d99f1..786c0c9 100644
--- a/source/message.md
+++ b/source/message.md
@@ -51,7 +51,7 @@ msg.IsPicture()
 ##### 位置消息
 
 ```go
-msg.IsMap()
+msg.IsLocation()
 ```
 
 ##### 语音消息