Mysql connector alter table with database name parse failed

alter table default.task add column xxxx varchar(200) comment 'cdc test'; 

org.apache.kafka.connect.errors.ConnectException: An exception occurred in the change event producer. This connector will be stopped.    at io.debezium.pipeline.ErrorHandler.setProducerThrowable(ErrorHandler.java:50)    at io.debezium.connector.mysql.MySqlStreamingChangeEventSource.handleEvent(MySqlStreamingChangeEventSource.java:374)    at io.debezium.connector.mysql.MySqlStreamingChangeEventSource.lambda$execute$25(MySqlStreamingChangeEventSource.java:874)    at com.github.shyiko.mysql.binlog.BinaryLogClient.notifyEventListeners(BinaryLogClient.java:1246)    at com.github.shyiko.mysql.binlog.BinaryLogClient.listenForEventPackets(BinaryLogClient.java:1072)    at com.github.shyiko.mysql.binlog.BinaryLogClient.connect(BinaryLogClient.java:631)    at com.github.shyiko.mysql.binlog.BinaryLogClient$7.run(BinaryLogClient.java:932)    at java.lang.Thread.run(Thread.java:750)Caused by: io.debezium.DebeziumException: Error processing binlog event    ... 7 moreCaused by: io.debezium.text.ParsingException: DDL statement couldn't be parsed. Please open a Jira issue with the statement 'alter table default.task add column xxxx varchar(200) comment 'cdc test''no viable alternative at input 'alter table default'    at io.debezium.antlr.ParsingErrorListener.syntaxError(ParsingErrorListener.java:43)    at org.antlr.v4.runtime.ProxyErrorListener.syntaxError(ProxyErrorListener.java:41)    at org.antlr.v4.runtime.Parser.notifyErrorListeners(Parser.java:544)    at org.antlr.v4.runtime.DefaultErrorStrategy.reportNoViableAlternative(DefaultErrorStrategy.java:310)    at org.antlr.v4.runtime.DefaultErrorStrategy.reportError(DefaultErrorStrategy.java:136)    at io.debezium.ddl.parser.mysql.generated.MySqlParser.sqlStatements(MySqlParser.java:1228)    at io.debezium.ddl.parser.mysql.generated.MySqlParser.root(MySqlParser.java:950)    at io.debezium.connector.mysql.antlr.MySqlAntlrDdlParser.parseTree(MySqlAntlrDdlParser.java:73)    at io.debezium.connector.mysql.antlr.MySqlAntlrDdlParser.parseTree(MySqlAntlrDdlParser.java:45)    at io.debezium.antlr.AntlrDdlParser.parse(AntlrDdlParser.java:82)    at io.debezium.connector.mysql.MySqlDatabaseSchema.parseDdl(MySqlDatabaseSchema.java:224)    at io.debezium.connector.mysql.MySqlDatabaseSchema.parseStreamingDdl(MySqlDatabaseSchema.java:210)    at io.debezium.connector.mysql.MySqlStreamingChangeEventSource.handleQueryEvent(MySqlStreamingChangeEventSource.java:571)    at io.debezium.connector.mysql.MySqlStreamingChangeEventSource.lambda$execute$14(MySqlStreamingChangeEventSource.java:846)    at io.debezium.connector.mysql.MySqlStreamingChangeEventSource.handleEvent(MySqlStreamingChangeEventSource.java:354)    ... 6 moreCaused by: org.antlr.v4.runtime.NoViableAltException    at org.antlr.v4.runtime.atn.ParserATNSimulator.noViableAlt(ParserATNSimulator.java:2026)    at org.antlr.v4.runtime.atn.ParserATNSimulator.execATN(ParserATNSimulator.java:467)    at org.antlr.v4.runtime.atn.ParserATNSimulator.adaptivePredict(ParserATNSimulator.java:393)    at io.debezium.ddl.parser.mysql.generated.MySqlParser.sqlStatements(MySqlParser.java:1026)    ... 15 more