diff --git a/pkg/common/db/unrelation/msg_convert.go b/pkg/common/db/unrelation/msg_convert.go
index 744ce68e1..576faa5ef 100644
--- a/pkg/common/db/unrelation/msg_convert.go
+++ b/pkg/common/db/unrelation/msg_convert.go
@@ -25,7 +25,7 @@ func (m *MsgMongoDriver) ConvertMsgsDocLen(ctx context.Context, conversationIDs
 			continue
 		}
 		if len(msgDocs) < 1 {
-			log.ZDebug(ctx, "len(msgs) < 1", "conversationID", conversationID)
+			// log.ZDebug(ctx, "len(msgs) < 1", "conversationID", conversationID)
 			continue
 		}
 		log.ZInfo(ctx, "msg doc convert", "conversationID", conversationID, "len(msgDocs)", len(msgDocs))