diff --git a/src/sql/code_generator/ob_column_index_provider.cpp b/src/sql/code_generator/ob_column_index_provider.cpp
index ef592b845c09a460cc59cc53e1ba1012debe8dfc..5f4b8668fccff4953d33cb5852ea232f72f4416c 100644
--- a/src/sql/code_generator/ob_column_index_provider.cpp
+++ b/src/sql/code_generator/ob_column_index_provider.cpp
@@ -80,7 +80,6 @@ int RowDesc::add_column(ObRawExpr *raw_expr)
       SQL_CG_LOG(WARN, "failed to get hashmap", K(ret));
     }
   }
-
   if (OB_SUCC(ret) && !raw_expr->has_flag(IS_COLUMNLIZED)
       && OB_FAIL(raw_expr->add_flag(IS_COLUMNLIZED))) {
     SQL_CG_LOG(WARN, "failed to add flag", K(ret));
diff --git a/src/storage/tx/ob_tx_2pc_msg_handler.cpp b/src/storage/tx/ob_tx_2pc_msg_handler.cpp
index 19cd3e815209e38ca861ec707cfd67bad57cb9fa..1e90c9a70e61eb7ecd24bd76380f7222a450ea19 100644
--- a/src/storage/tx/ob_tx_2pc_msg_handler.cpp
+++ b/src/storage/tx/ob_tx_2pc_msg_handler.cpp
@@ -367,7 +367,9 @@ int ObPartTransCtx::set_2pc_participants_(const ObLSArray &participants)
 {
   int ret = OB_SUCCESS;
 
-  exec_info_.participants_ = participants;
+  if (OB_FAIL(exec_info_.participants_.assign(participants))) {
+    TRANS_LOG(WARN, "set participants error", K(ret), K(participants), KPC(this));
+  }
 
   return ret;
 }