When mysqlbinlog -vv mysql-bin.000110 is used to view the binary file of ApsaraDB for RDS for MySQL, the following output is returned:
See the figure below:
The content in the red frame is not unreadable code but is the Base64-coded content. To decode it, you can add the following parameter when you use mysqlbinlog to view the binlog:
mysqlbinlog -vv --base64-output=decode-rows mysql-bin.000110
Then the decoded SQL log record is returned.