After configuring the front-end back-end server business access to normal, but enter the account did not respond, nor error

Web access, php can write the background appears, enter the account password but after no response, nginx logs an error-free

Later View is a database set incorrectly, ecs and rds in the same area, the same area by ecs and rds are within network communication, the configuration file is written outside the network ip rds

Modify the php configuration file, modify the database ip ip network and restart nginx and PHP, clear your browser cache, access to all normal again