update

im/im.go

@@ -18,6 +18,7 @@ type Sender interface {
 	IsAdmin() bool
 	IsMedia() bool
 	Reply(interface{}) error
+	RecallGroupMessage() error
 }
 
 type Config struct {
@@ -99,3 +100,7 @@ func (sender *Faker) IsMedia() bool {
 func (sender *Faker) Reply(msg interface{}) error {
 	return nil
 }
+
+func (sender *Faker) RecallGroupMessage() error {
+	return nil
+}

im/qq/sender.go

@@ -16,6 +16,17 @@ type Sender struct {
 	matches [][]string
 }
 
+func (sender *Sender) RecallGroupMessage() error {
+	switch sender.Message.(type) {
+	case *message.GroupMessage:
+		m := sender.Message.(*message.GroupMessage)
+		if err := bot.Client.RecallGroupMessage(m.GroupCode, m.Id, m.InternalId); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
 func (sender *Sender) GetContent() string {
 	text := ""
 	switch sender.Message.(type) {

im/tg/tg.go

@@ -152,3 +152,7 @@ func (sender *Sender) Reply(rt interface{}) error {
 	}
 	return err
 }
+
+func (sender *Sender) RecallGroupMessage() error {
+	return nil
+}