diff --git a/coolq/api.go b/coolq/api.go
index d6361d004..d40c80a9d 100644
--- a/coolq/api.go
+++ b/coolq/api.go
@@ -1411,6 +1411,22 @@ func (bot *CQBot) CQSetGroupPortrait(groupID int64, file, cache string) global.M
 	return Failed(100, "GROUP_NOT_FOUND", "群聊不存在")
 }
 
+// CQSetGroupReaction 扩展API-设置群消息表态
+//
+// @route(set_group_reaction)
+// @default(is_add=true)
+func (bot *CQBot) CQSetGroupReaction(messageID int32, emojiID string, isAdd bool) global.MSG {
+	msg, err := db.GetGroupMessageByGlobalID(messageID)
+	if err != nil {
+		return Failed(100, "MESSAGE_NOT_FOUND", "消息不存在")
+	}
+	if err := bot.Client.SetGroupReaction(uint32(msg.GroupCode), uint32(msg.Attribute.MessageSeq), emojiID, isAdd); err != nil {
+		log.Warnf("发送群表态失败: %v", err)
+		return Failed(100, "SEND_GROUP_REACTIONS_ERROR", err.Error())
+	}
+	return OK(nil)
+}
+
 // CQSetGroupAnonymousBan 群组匿名用户禁言
 //
 // https://git.io/Jtz1p
diff --git a/modules/api/api.go b/modules/api/api.go
index bcda0853d..5d77b211e 100644
--- a/modules/api/api.go
+++ b/modules/api/api.go
@@ -256,6 +256,14 @@ func (c *Caller) call(action string, spec *onebot.Spec, p Getter) global.MSG {
 		p1 := p.Get("file").String()
 		p2 := p.Get("cache").String()
 		return c.bot.CQSetGroupPortrait(p0, p1, p2)
+	case "set_group_reaction":
+		p0 := int32(p.Get("message_id").Int())
+		p1 := p.Get("emoji_id").String()
+		p2 := true
+		if pt := p.Get("is_add"); pt.Exists() {
+			p2 = pt.Bool()
+		}
+		return c.bot.CQSetGroupReaction(p0, p1, p2)
 	case "set_group_special_title":
 		p0 := p.Get("group_id").Int()
 		p1 := p.Get("user_id").Int()
diff --git a/pkg/onebot/supported.go b/pkg/onebot/supported.go
index 3ceaa0e72..69727ad6d 100644
--- a/pkg/onebot/supported.go
+++ b/pkg/onebot/supported.go
@@ -62,6 +62,7 @@ var supportedV11 = []string{
 	"set_group_leave",
 	"set_group_name",
 	"set_group_portrait",
+	"set_group_reaction",
 	"set_group_special_title",
 	"set_group_whole_ban",
 	"upload_group_file",
@@ -118,6 +119,7 @@ var supportedV12 = []string{
 	"set_group_leave",
 	"set_group_name",
 	"set_group_portrait",
+	"set_group_reaction",
 	"set_group_special_title",
 	"set_group_whole_ban",
 	"upload_group_file",