阿里云E-MapReduce中starrocks 2.4的mysql外部表哪个字段类型，映射不上吗？

"阿里云E-MapReduce中starrocks 2.4的mysql外部表，做映射报
ERROR 1064 (HY000): mysql row data parse error, column_data_type=27
错误

mysql建表语句：
CREATE TABLE advertiser (
id int NOT NULL AUTO_INCREMENT,
name varchar(32) COLLATE utf8mb4_unicode_ci NOT NULL,
method tinyint(1) NOT NULL,
rtb_method json NOT NULL,
status tinyint(1) NOT NULL,
response_time int NOT NULL,
bid_url varchar(128) COLLATE utf8mb4_unicode_ci NOT NULL,
win_notice_url varchar(256) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
bm_id int DEFAULT NULL,
create_time datetime NOT NULL,
update_time datetime NOT NULL,
tags json DEFAULT NULL,
budget varchar(45) COLLATE utf8mb4_unicode_ci NOT NULL,
budget_abb varchar(45) COLLATE utf8mb4_unicode_ci NOT NULL,
user_id int NOT NULL,
type tinyint(1) NOT NULL,
PRIMARY KEY (id)
) ENGINE=InnoDB AUTO_INCREMENT=1002 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci

starrocks建表语句：
CREATE TABLE dim_external_adx_advertiser (
id int NOT NULL,
name string NOT NULL,
method int NOT NULL,
rtb_method json NOT NULL,
status int NOT NULL,
response_time int NOT NULL,
bid_url string NOT NULL,
win_notice_url string NULL,
bm_id int NULL,
create_time datetime NOT NULL,
update_time datetime NOT NULL,
tags json DEFAULT NULL,
budget string NOT NULL,
budget_abb string NOT NULL,
user_id int NOT NULL,
type int NOT NULL
) ENGINE=mysql
PROPERTIES
(
""host"" = ""xxx"", ""port"" = ""xxx"",...
）
哪个字段类型，映射不上吗？"