diff --git a/internal/querycoord/impl.go b/internal/querycoord/impl.go
index ea7a88683d..14c7cf3605 100644
--- a/internal/querycoord/impl.go
+++ b/internal/querycoord/impl.go
@@ -190,7 +190,7 @@ func (qc *QueryCoord) LoadCollection(ctx context.Context, req *querypb.LoadColle
 func (qc *QueryCoord) ReleaseCollection(ctx context.Context, req *querypb.ReleaseCollectionRequest) (*commonpb.Status, error) {
 	//dbID := req.DbID
 	collectionID := req.CollectionID
-	log.Debug("ReleaseCollectionRequest received", zap.String("role", Params.RoleName), zap.Int64("msgID", req.Base.MsgID), zap.Int64("collectionID", collectionID))
+	log.Debug("releaseCollectionRequest received", zap.String("role", Params.RoleName), zap.Int64("msgID", req.Base.MsgID), zap.Int64("collectionID", collectionID))
 	status := &commonpb.Status{
 		ErrorCode: commonpb.ErrorCode_Success,
 	}
@@ -230,7 +230,7 @@ func (qc *QueryCoord) ReleaseCollection(ctx context.Context, req *querypb.Releas
 		return status, nil
 	}
 
-	log.Debug("ReleaseCollectionRequest completed", zap.String("role", Params.RoleName), zap.Int64("msgID", req.Base.MsgID), zap.Int64("collectionID", collectionID))
+	log.Debug("releaseCollectionRequest completed", zap.String("role", Params.RoleName), zap.Int64("msgID", req.Base.MsgID), zap.Int64("collectionID", collectionID))
 	//qc.MetaReplica.printMeta()
 	//qc.cluster.printMeta()
 	return status, nil