debezium Failed while parsing DDL statements.

(io.debezium.connector.mysql.MySqlSchema:292)
io.debezium.text.ParsingException: Expecting ')' at line 69, column 21 but found 'NOT':   `key` varchar(64)  ===>> NOT NULL DEFAULT '',
	at io.debezium.text.TokenStream.consume(TokenStream.java:693)
	at io.debezium.connector.mysql.MySqlDdlParser.parseCreateDefinitionList(MySqlDdlParser.java:398)
	at io.debezium.connector.mysql.MySqlDdlParser.parseCreateTable(MySqlDdlParser.java:224)
	at io.debezium.connector.mysql.MySqlDdlParser.parseCreate(MySqlDdlParser.java:149)
	at io.debezium.connector.mysql.MySqlDdlParser.parseNextStatement(MySqlDdlParser.java:130)
	at io.debezium.relational.ddl.DdlParser.parse(DdlParser.java:275)
	at io.debezium.relational.ddl.DdlParser.parse(DdlParser.java:256)
	at io.debezium.connector.mysql.MySqlSchema.applyDdl(MySqlSchema.java:290)
	at io.debezium.connector.mysql.SnapshotReader.execute(SnapshotReader.java:270)
	at java.lang.Thread.run(Thread.java:745)

`CREATE TABLE `XXXXX` (
 `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
 `YYYY` bigint(20) unsigned NOT NULL,
 `key` varchar(64) NOT NULL DEFAULT '',
 `value` text,
 `FFFFF` tinyint(4) DEFAULT '0',
 `DDDD` bigint(20) DEFAULT '0',
 `TTTT` binary(16) DEFAULT NULL,
 `BBB` text,
 PRIMARY KEY (`id`),
 KEY `TYTUT` (`risk_info_id`),
 KEY `BGFH` (`key`),
 KEY `HGJG` (`risk_info_id`,`create_time`),
 KEY `EEEEE` (`is_encrypted`),
 KEY `GGGGG` (`risk_info_id`,`context_uuid`),
 KEY `HGHGHG` (`context_uuid`),
 CONSTRAINT `GHGHGHGHG` FOREIGN KEY (`risk_info_id`) REFERENCES `HGHGHG` (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=10851 DEFAULT CHARSET=utf8;`