install MySQL5.7 initialization failed

stay mysql install After the command runs successfully , Then run mysqld –initialize The command completes the database initialization function , This is the encounter with error: Found option without preceding group in config file: /data/3307/my.cnf at line: 1

reason ：my.ini The file format is utf-8
terms of settlement ,my.ini The file is saved as ANSI Format file

MySQL5.7 modify root Account password

1. Go to the installation directory bin Catalog , Command line execution ：
   mysqld –skip-grant-tables

2. Will get stuck , Don’t mind , Do not shut down. ;

3. Open a command window again in the directory , Direct input mysql, enter

4. Input use mysql; Choose to use mysql database

5. Execute statement ：
   update user set authentication_string=password(‘root’) where user=‘root’;

6. This changes the password to root 了

Be careful ： You need to close your mysql service