diff --git a/relations.go b/relations.go
index 378ca56..00a7186 100644
--- a/relations.go
+++ b/relations.go
@@ -441,3 +441,28 @@ func (m Mps) Search(limit int, condFuncList ...func(group *Mp) bool) (results Mp
 	}
 	return
 }
+
+// SearchByUserName 根据用户名查找
+func (m Mps) SearchByUserName(limit int, userName string) (results Mps) {
+	return m.Search(limit, func(group *Mp) bool { return group.UserName == userName })
+}
+
+// SearchByNickName 根据昵称查找
+func (m Mps) SearchByNickName(limit int, nickName string) (results Mps) {
+	return m.Search(limit, func(group *Mp) bool { return group.NickName == nickName })
+}
+
+// SendText 发送文本消息给公众号
+func (m *Mp) SendText(content string) (*SentMessage, error) {
+	return m.Self.SendTextToMp(m, content)
+}
+
+// SendImage 发送图片消息给公众号
+func (m *Mp) SendImage(file *os.File) (*SentMessage, error) {
+	return m.Self.SendImageToMp(m, file)
+}
+
+// SendFile 发送文件消息给公众号
+func (m *Mp) SendFile(file *os.File) (*SentMessage, error) {
+	return m.Self.SendFileToMp(m, file)
+}
diff --git a/user.go b/user.go
index aed5cd7..d71f1d7 100644
--- a/user.go
+++ b/user.go
@@ -625,3 +625,28 @@ func (m Members) init(self *Self) {
 func NewFriendHelper(self *Self) *Friend {
 	return &Friend{&User{UserName: "filehelper", Self: self}}
 }
+
+// SendMessageToMp 发送消息给公众号
+func (s *Self) SendMessageToMp(mp *Mp, msg *SendMessage) (*SentMessage, error) {
+	return s.sendMessageToUser(mp.User, msg)
+}
+
+// SendTextToMp 发送文本消息给公众号
+func (s *Self) SendTextToMp(mp *Mp, text string) (*SentMessage, error) {
+	msg := NewTextSendMessage(text, s.UserName, mp.UserName)
+	return s.SendMessageToMp(mp, msg)
+}
+
+// SendImageToMp 发送图片消息给公众号
+func (s *Self) SendImageToMp(mp *Mp, file *os.File) (*SentMessage, error) {
+	req := s.Bot.Storage.Request
+	info := s.Bot.Storage.LoginInfo
+	return s.Bot.Caller.WebWxSendImageMsg(file, req, info, s.UserName, mp.UserName)
+}
+
+// SendFileToMp 发送文件给公众号
+func (s *Self) SendFileToMp(mp *Mp, file *os.File) (*SentMessage, error) {
+	req := s.Bot.Storage.Request
+	info := s.Bot.Storage.LoginInfo
+	return s.Bot.Caller.WebWxSendFile(file, req, info, s.UserName, mp.UserName)
+}