diff --git a/sql/cloud_sample.sql b/sql/cloud_sample.sql
index f644248..8c9fd26 100644
--- a/sql/cloud_sample.sql
+++ b/sql/cloud_sample.sql
@@ -23,9 +23,9 @@ CREATE TABLE `manage_device` (
   `user_id` varchar(64) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT '',
   `nickname` varchar(64) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT '',
   `workspace_id` varchar(64) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT '',
-  `device_type` smallint NOT NULL DEFAULT '-1',
-  `sub_type` smallint NOT NULL DEFAULT '-1',
-  `domain` smallint NOT NULL DEFAULT '-1',
+  `device_type` int NOT NULL DEFAULT '-1',
+  `sub_type` int NOT NULL DEFAULT '-1',
+  `domain` int NOT NULL DEFAULT '-1',
   `firmware_version` varchar(32) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT '',
   `version` varchar(32) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT '',
   `device_index` varchar(32) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT '',