canal为什么获取tableName和schemaName为空

header { version: 1 logfileName: "mysql-bin.000068" logfileOffset: 719945754 serverId: 125 serverenCode: "UTF-8" executeTime: 1500862055000 sourceType: MYSQL schemaName: "" tableName: "" eventLength: 217 eventType: QUERY } entryType: ROWDATA storeValue: "\020\aZ\301\001insert into productinfotemp(SysId,Price,RealityPrice,SkuCount,Name,Code,SaleDate,Status) values ('eab6d30a-2436-4c3b-b493-3c997fd8d8fb',10.00,10.00,1.00,'','E0205004','2017-07-24 00:00:00 ',99)"

原提问者GitHub用户wjk1982