dbvis version 10 will show the password in debug log

When i use commandline connect a database via dbvisgui.bat,use properties ： userid and password.The error log and debug log will write the password and username in the log,otherone can open the log and they will see my db password,how can i hide the password and username in 'java properties' of log when i use dbvisgui.bat cmd.because i think it 's very unsafefully  and extra