diff --git a/client/group_msg.go b/client/group_msg.go
index 5ea8695e..cfb2af7d 100644
--- a/client/group_msg.go
+++ b/client/group_msg.go
@@ -14,6 +14,7 @@ import (
 	"google.golang.org/protobuf/proto"
 	"math"
 	"math/rand"
+	"strconv"
 	"time"
 )
 
@@ -23,6 +24,7 @@ func init() {
 	decoders["MessageSvc.PbGetGroupMsg"] = decodeGetGroupMsgResponse
 	decoders["OidbSvc.0x8a7_0"] = decodeAtAllRemainResponse
 	decoders["OidbSvc.0xeac_1"] = decodeEssenceMsgResponse
+	decoders["OidbSvc.0xeac_2"] = decodeEssenceMsgResponse
 }
 
 // SendGroupMessage 发送群消息
@@ -522,9 +524,9 @@ func (c *QQClient) parseGroupMessage(m *msg.Message) *message.GroupMessage {
 	return g
 }
 
-// SetEssenceMessage 设置群精华消息
+// SetEssenceMessage 设为群精华消息
 func (c *QQClient) SetEssenceMessage(groupCode int64, msgId, msgInternalId int32) error {
-	r, err := c.sendAndWait(c.buildSetEssenceMsgPacket(groupCode, uint32(msgId), uint32(msgInternalId)))
+	r, err := c.sendAndWait(c.buildEssenceMsgOperatePacket(groupCode, uint32(msgId), uint32(msgInternalId), 1))
 	if err != nil {
 		return errors.Wrap(err, "set essence msg network:")
 	}
@@ -535,18 +537,32 @@ func (c *QQClient) SetEssenceMessage(groupCode int64, msgId, msgInternalId int32
 	return nil
 }
 
-func (c *QQClient) buildSetEssenceMsgPacket(groupCode int64, msgSeq, msgRand uint32) (uint16, []byte) {
+// DeleteEssenceMessage 移出群精华消息
+func (c *QQClient) DeleteEssenceMessage(groupCode int64, msgId, msgInternalId int32) error {
+	r, err := c.sendAndWait(c.buildEssenceMsgOperatePacket(groupCode, uint32(msgId), uint32(msgInternalId), 2))
+	if err != nil {
+		return errors.Wrap(err, "set essence msg network:")
+	}
+	rsp := r.(*oidb.EACRspBody)
+	if rsp.GetErrorCode() != 0 {
+		return errors.New(rsp.GetWording())
+	}
+	return nil
+}
+
+func (c *QQClient) buildEssenceMsgOperatePacket(groupCode int64, msgSeq, msgRand, opType uint32) (uint16, []byte) {
 	seq := c.nextSeq()
-	payload := c.packOIDBPackageProto(3756, 1, &oidb.EACReqBody{ // serviceType 2 取消
+	commandName := "OidbSvc.0xeac_" + strconv.FormatInt(int64(opType), 10)
+	payload := c.packOIDBPackageProto(3756, int32(opType), &oidb.EACReqBody{ // serviceType 2 取消
 		GroupCode: proto.Uint64(uint64(groupCode)),
 		Seq:       proto.Uint32(msgSeq),
 		Random:    proto.Uint32(msgRand),
 	})
-	packet := packets.BuildUniPacket(c.Uin, seq, "OidbSvc.0xeac_1", 1, c.OutGoingPacketSessionId, EmptyBytes, c.sigInfo.d2Key, payload)
+	packet := packets.BuildUniPacket(c.Uin, seq, commandName, 1, c.OutGoingPacketSessionId, EmptyBytes, c.sigInfo.d2Key, payload)
 	return seq, packet
 }
 
-// OidbSvc.0xeac_1
+// OidbSvc.0xeac_1/2
 func decodeEssenceMsgResponse(_ *QQClient, _ uint16, payload []byte) (interface{}, error) {
 	pkg := oidb.OIDBSSOPkg{}
 	rsp := &oidb.EACRspBody{}