diff --git a/internal/rpc/msg/callback.go b/internal/rpc/msg/callback.go
index 6fb035b81..bdc8d058a 100644
--- a/internal/rpc/msg/callback.go
+++ b/internal/rpc/msg/callback.go
@@ -7,6 +7,7 @@ import (
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/config"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/constant"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/http"
+	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/log"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/mcontext"
 	pbChat "github.com/OpenIMSDK/Open-IM-Server/pkg/proto/msg"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/utils"
@@ -116,5 +117,6 @@ func callbackMsgModify(ctx context.Context, msg *pbChat.SendMsgReq) error {
 	utils.NotNilReplace(&msg.MsgData.AtUserIDList, resp.AtUserIDList)
 	utils.NotNilReplace(&msg.MsgData.AttachedInfo, resp.AttachedInfo)
 	utils.NotNilReplace(&msg.MsgData.Ex, resp.Ex)
+	log.ZDebug(ctx, "callbackMsgModify", "msg", msg.MsgData)
 	return nil
 }
diff --git a/internal/rpc/msg/send.go b/internal/rpc/msg/send.go
index 5c5e303b1..89f015315 100644
--- a/internal/rpc/msg/send.go
+++ b/internal/rpc/msg/send.go
@@ -31,7 +31,6 @@ func (m *msgServer) SendMsg(ctx context.Context, req *pbMsg.SendMsgReq) (resp *p
 }
 
 func (m *msgServer) sendMsgSuperGroupChat(ctx context.Context, req *pbMsg.SendMsgReq) (resp *pbMsg.SendMsgResp, err error) {
-	resp = &pbMsg.SendMsgResp{}
 	promePkg.Inc(promePkg.WorkSuperGroupChatMsgRecvSuccessCounter)
 	if err = m.messageVerification(ctx, req); err != nil {
 		promePkg.Inc(promePkg.WorkSuperGroupChatMsgProcessFailedCounter)
@@ -51,6 +50,7 @@ func (m *msgServer) sendMsgSuperGroupChat(ctx context.Context, req *pbMsg.SendMs
 		log.ZWarn(ctx, "CallbackAfterSendGroupMsg", err)
 	}
 	promePkg.Inc(promePkg.WorkSuperGroupChatMsgProcessSuccessCounter)
+	resp = &pbMsg.SendMsgResp{}
 	resp.SendTime = req.MsgData.SendTime
 	resp.ServerMsgID = req.MsgData.ServerMsgID
 	resp.ClientMsgID = req.MsgData.ClientMsgID