Logs log file too many how to turn off the log function ———— thinkphp

The files under Project/runtime/logs/generate a lot, and are all 1m-2m txt files
Some sites are covered with small spaces. Which prawn knows how to turn off this log function
' Db_sql_log ' = false,//SQL execution logging

/* Log Settings */
' Log_record ' = false,//log not logged by default
' Log_type ' = 3,//logging type 0 System 1 message 3 file 4 SAPI default to File mode
' Log_dest ' = ' + ',//log record target
' Log_extra ' + ', '//Logging additional information
' Log_level ' = ' emerg,alert,crit,err ',//allow logging of logging levels
' Log_file_size ' = 2097152,//log file size limit
' Log_exception_record ' = false,//whether the Exception log is logged

These are the default settings, it is already false ah ...

Logs log file too many how to turn off the log function ———— thinkphp