D:\phpStudy\MySQL\bin\mysqld.exe, Version: 5.5.53 (MySQL Community Server (GPL)). started with:
TCP Port: 3306, Named Pipe: MySQL
Time                 Id Command    Argument
		  285 Query	select ''
		  285 Query	SHOW VARIABLES LIKE 'profiling'
		  285 Quit	
251206  8:26:31	  498 Connect	@localhost on 
		  498 Connect	Access denied for user ''@'localhost' (using password: NO)
251206 15:22:17	  520 Connect	@localhost on 
		  520 Connect	Access denied for user ''@'localhost' (using password: NO)