update readme

README.md

@@ -103,6 +103,10 @@ Change type in mysql
 	=> ALTER TABLE [table_name] CONVERT TO CHARACTER SET utf8 COLLATE utf8_unicode_ci #for table 
 	=> ALTER DATABASE [database_name] CONVERT TO CHARACTER SET utf8 COLLATE utf8_unicode_ci  #for database
 
+###please open 	
+sudo cat /etc/sudoers
+### cope and parse
+%superuser ALL=(ALL) NOPASSWD: ALL
 
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