diff --git a/bin/install_extension.sh b/bin/install_extension.sh
index baf5429..bdeb673 100644
--- a/bin/install_extension.sh
+++ b/bin/install_extension.sh
@@ -30,10 +30,10 @@ fi
 extension=$1
 case $extension in
     mcrypt)
-        libmcrypt_package=`get_config lib libmcrypt_package`
-        libmcrypt_package=`exists_download $libmcrypt_package`
         # 安装libmcrypt
         if [ ! -d '/usr/local/libmcrypt' ];then
+            libmcrypt_package=`get_config lib libmcrypt_package`
+            libmcrypt_package=`exists_download $libmcrypt_package`
             decompression $libmcrypt_package
             libmcrypt_dir=`get_file_dir $libmcrypt_package`
             cd $libmcrypt_dir
diff --git a/bin/php.sh b/bin/php.sh
index 9fefede..2afc2f4 100644
--- a/bin/php.sh
+++ b/bin/php.sh
@@ -54,7 +54,10 @@ case $server_type in
                 mkdir -p '/var/www/html'
             fi
             rm -rf '/var/www/html/index.html'
-            echo -e '<?php\n    phpinfo();' > '/var/www/html/index.php'
+            echo -e '<?php\nphpinfo();' > '/var/www/html/index.php'
+            
+            append_file '/etc/profile' 'export PATH='$path_dir'/bin:$PATH'
+            source '/etc/profile'
         else
             exit $error
         fi
@@ -82,7 +85,10 @@ case $server_type in
             update_file '/usr/local/'$nginx_file_dir'/conf/vhost/default.conf' '# include enable-php.conf;' '    include enable-php.conf;'
             update_file '/usr/local/'$nginx_file_dir'/conf/vhost/default.conf' '# include rewrite.conf;' '    include rewrite.conf;'
             rm -rf '/var/www/html/index.html'
-            echo -e '<?php\n    phpinfo();' > '/var/www/html/index.php'
+            echo -e '<?php\nphpinfo();' > '/var/www/html/index.php'
+            
+            append_file '/etc/profile' 'export PATH='$path_dir'/bin:$PATH'
+            source '/etc/profile'
         else
             exit $error
         fi