diff --git a/internal/tools/cron_task.go b/internal/tools/cron_task.go
index fa19bffe0..c55a0d046 100644
--- a/internal/tools/cron_task.go
+++ b/internal/tools/cron_task.go
@@ -10,8 +10,6 @@ import (
 	"github.com/robfig/cron/v3"
 )
 
-const moduleName = "cron"
-
 func StartCronTask() error {
 	log.ZInfo(context.Background(), "start cron task", "cron config", config.Config.Mongo.ChatRecordsClearTime)
 	fmt.Println("cron task start, config", config.Config.Mongo.ChatRecordsClearTime)
diff --git a/pkg/common/db/controller/msg.go b/pkg/common/db/controller/msg.go
index 5fbf6fedb..1c6b03643 100644
--- a/pkg/common/db/controller/msg.go
+++ b/pkg/common/db/controller/msg.go
@@ -568,7 +568,7 @@ func (db *commonMsgDatabase) deleteMsgRecursion(ctx context.Context, conversatio
 		}
 		return delStruct.getSetMinSeq() + 1, nil
 	}
-	log.ZDebug(ctx, "conversationID", conversationID, "index:", index, "docID", msgs.DocID, "len", len(msgs.Msg))
+	log.ZDebug(ctx, "doc info", "conversationID", conversationID, "index", index, "docID", msgs.DocID, "len", len(msgs.Msg))
 	if int64(len(msgs.Msg)) > db.msg.GetSingleGocMsgNum() {
 		log.ZWarn(ctx, "msgs too large", nil, "lenth", len(msgs.Msg), "docID:", msgs.DocID)
 	}