diff --git a/be/src/olap/olap_meta.cpp b/be/src/olap/olap_meta.cpp
index 28ad378de8..d1329c58d2 100755
--- a/be/src/olap/olap_meta.cpp
+++ b/be/src/olap/olap_meta.cpp
@@ -97,7 +97,6 @@ OLAPStatus OlapMeta::get(const int column_family_index, const std::string& key,
     }
     DorisMetrics::meta_read_request_duration_us.increment(duration_ns / 1000);
     if (s.IsNotFound()) {
-        LOG(WARNING) << "rocks db key not found:" << key;
         return OLAP_ERR_META_KEY_NOT_FOUND;
     } else if (!s.ok()) {
         LOG(WARNING) << "rocks db get key:" << key << " failed, reason:" << s.ToString();
diff --git a/be/src/olap/rowset/segment_group.cpp b/be/src/olap/rowset/segment_group.cpp
index edbf65c490..b8ddf980d6 100644
--- a/be/src/olap/rowset/segment_group.cpp
+++ b/be/src/olap/rowset/segment_group.cpp
@@ -276,7 +276,7 @@ OLAPStatus SegmentGroup::add_zone_maps_for_linked_schema_change(
 
 OLAPStatus SegmentGroup::add_zone_maps(
         const std::vector<std::pair<WrapperField*, WrapperField*>>& zone_map_fields) {
-    DCHECK(zone_map_fields.size() == _schema->num_key_columns());
+    DCHECK(_empty || zone_map_fields.size() == _schema->num_key_columns());
     for (size_t i = 0; i < zone_map_fields.size(); ++i) {
         const TabletColumn& column = _schema->column(i);
         WrapperField* first = WrapperField::create(column);
@@ -295,7 +295,7 @@ OLAPStatus SegmentGroup::add_zone_maps(
 OLAPStatus SegmentGroup::add_zone_maps(
         std::vector<std::pair<std::string, std::string> > &zone_map_strings,
         std::vector<bool> &null_vec) {
-    DCHECK(zone_map_strings.size() == _schema->num_key_columns());
+    DCHECK(_empty || zone_map_strings.size() == _schema->num_key_columns());
     for (size_t i = 0; i < zone_map_strings.size(); ++i) {
         const TabletColumn& column = _schema->column(i);
         WrapperField* first = WrapperField::create(column);