fix installation for beta5

.env.example

@@ -1,4 +1,4 @@
-APP_NAME=Laravel
+APP_NAME=NexusPHP
 APP_ENV=local
 APP_KEY=base64:WUbN2wa2kl3E1VDW4iKaH3RBHw3hKY7BK0hWEkBZmGg=
 APP_DEBUG=true
@@ -10,7 +10,7 @@ LOG_LEVEL=debug
 DB_CONNECTION=mysql
 DB_HOST=127.0.0.1
 DB_PORT=3306
-DB_DATABASE=laravel
+DB_DATABASE=nexusphp
 DB_USERNAME=root
 DB_PASSWORD=
 
@@ -45,21 +45,13 @@ MIX_PUSHER_APP_KEY="${PUSHER_APP_KEY}"
 MIX_PUSHER_APP_CLUSTER="${PUSHER_APP_CLUSTER}"
 
 
-
-MYSQL_HOST=127.0.0.1
-MYSQL_PORT=3306
-MYSQL_USERNAME=
-MYSQL_PASSWORD=
-MYSQL_DATABASE=nexusphp
-
-REDIS_HOST=127.0.0.1
-REDIS_PASSWORD=null
-REDIS_PORT=6379
-REDIS_DATABASE=0
+REDIS_HOST=
+REDIS_PASSWORD=
+REDIS_PORT=
+REDIS_DB=
 
 USE_CRON_TRIGGER_CLEANUP=false
 
 LOG_FILE=/tmp/nexus.log
-LOG_SPLIT=daily
 
 TIMEZONE=PRC