diff --git a/src/share/ob_ddl_common.h b/src/share/ob_ddl_common.h
index 11c790ef48..445000f995 100644
--- a/src/share/ob_ddl_common.h
+++ b/src/share/ob_ddl_common.h
@@ -64,6 +64,7 @@ enum ObDDLType
   DDL_DROP_MLOG = 9,
   DDL_CREATE_PARTITIONED_LOCAL_INDEX = 10,
   DDL_DROP_LOB = 11,
+  DDL_DROP_FTS_INDEX = 12,
   ///< @note tablet split.
   DDL_AUTO_SPLIT_BY_RANGE = 100,
   DDL_AUTO_SPLIT_NON_RANGE = 101,