diff --git a/src/share/table/ob_table_load_define.cpp b/src/share/table/ob_table_load_define.cpp
index f77368ab98..f221763501 100644
--- a/src/share/table/ob_table_load_define.cpp
+++ b/src/share/table/ob_table_load_define.cpp
@@ -103,6 +103,8 @@ OB_DEF_DESERIALIZE(ObTableLoadSqlStatistics)
       OB_LOG(WARN, "failed to create col stat");
     } else if (OB_FAIL(osg_col_stat->deserialize(buf, data_len, pos))) {
       OB_LOG(WARN, "deserialize datum store failed", K(ret), K(i));
+    } else if (OB_FAIL(osg_col_stat->deep_copy(*osg_col_stat))) {
+      OB_LOG(WARN, "fail to deep copy", K(ret));
     } else if (OB_FAIL(col_stat_array_.push_back(osg_col_stat))) {
       OB_LOG(WARN, "fail to add table stat", KR(ret));
     }