diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..36a4a78
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/.idea/
diff --git a/backend/kms-cli.php b/backend/kms-cli.php
index e80a931..bcc01ec 100644
--- a/backend/kms-cli.php
+++ b/backend/kms-cli.php
@@ -49,4 +49,4 @@ function showWinServerKeys() { // 显示Windows Server的KMS密钥
     showKmsKeys($kmsKeys);
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/backend/kms-help.php b/backend/kms-help.php
index f6b24cb..c6152bb 100644
--- a/backend/kms-help.php
+++ b/backend/kms-help.php
@@ -44,4 +44,4 @@ function webHelp() {
     echo '">KMS_KEY (Windows Server)</a></p></div></body></html>';
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/backend/kms-keys.php b/backend/kms-keys.php
index fdac760..2482a3f 100644
--- a/backend/kms-keys.php
+++ b/backend/kms-keys.php
@@ -40,4 +40,4 @@ function getKmsKeys($type) { // 获取所有版本的KMS密钥
     return $data;
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/backend/kms-office.php b/backend/kms-office.php
index bc619b8..baf31d2 100644
--- a/backend/kms-office.php
+++ b/backend/kms-office.php
@@ -112,4 +112,4 @@ function webOfficeHelp() { // 网页输出Office激活帮助
     echo '</div></body></html>';
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/backend/kms-web.php b/backend/kms-web.php
index f5dfff8..c7b6bf2 100644
--- a/backend/kms-web.php
+++ b/backend/kms-web.php
@@ -31,4 +31,4 @@ function webWinServerKeys() { // 网页显示Windows Server的KMS密钥
     webKmsKeys($kmsKeys, 'Windows Server KMS Keys');
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/conf/docker/iconv.sh b/conf/docker/iconv.sh
index dbbc15e..2234982 100644
--- a/conf/docker/iconv.sh
+++ b/conf/docker/iconv.sh
@@ -3,20 +3,20 @@ mkdir -p /tmp
 
 wget http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.16.tar.gz -O /tmp/libiconv.tar.gz
 tar xf /tmp/libiconv.tar.gz -C /tmp
-cd /tmp/libiconv-1.16/
+cd /tmp/libiconv-1.16/ || exit
 sed -i 's/_GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");/#if HAVE_RAW_DECL_GETS\n_GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");\n#endif/g' srclib/stdio.in.h
 ./configure --prefix=/usr/local
 make && make install
 
-php_version=`php -r "phpinfo();" | grep "PHP Version" | head -1`
+php_version=$(php -r "phpinfo();" | grep "PHP Version" | head -1)
 php_version=${php_version#*=> }
-wget http://php.net/distributions/php-$php_version.tar.gz -O /tmp/php.tar.gz
+wget http://php.net/distributions/php-"$php_version".tar.gz -O /tmp/php.tar.gz
 tar xf /tmp/php.tar.gz -C /tmp
-cd /tmp/php-$php_version/ext/iconv
+cd /tmp/php-"$php_version"/ext/iconv || exit
 phpize
 ./configure --with-iconv=/usr/local
 make && make install
 
 mkdir /tmp/iconv
 cp /usr/local/lib/libiconv.so /tmp/iconv
-cp /usr/lib/php7/modules/iconv.so /tmp/iconv
\ No newline at end of file
+cp /usr/lib/php7/modules/iconv.so /tmp/iconv
diff --git a/conf/docker/init.sh b/conf/docker/init.sh
index a9c5095..773addf 100644
--- a/conf/docker/init.sh
+++ b/conf/docker/init.sh
@@ -1,4 +1,4 @@
 /usr/sbin/php-fpm7
 /usr/sbin/nginx
 echo "KMS-Server initialization completed."
-/usr/bin/vlmcsd -De
\ No newline at end of file
+/usr/bin/vlmcsd -De
diff --git a/conf/docker/kms.conf b/conf/docker/kms.conf
index ea438f5..f2d5f3c 100644
--- a/conf/docker/kms.conf
+++ b/conf/docker/kms.conf
@@ -14,4 +14,4 @@ server {
     }
 
     location /assets {}
-}
\ No newline at end of file
+}
diff --git a/conf/docker/nginx.conf b/conf/docker/nginx.conf
index 6e34c13..41ac84a 100644
--- a/conf/docker/nginx.conf
+++ b/conf/docker/nginx.conf
@@ -10,4 +10,4 @@ events {
 http {
     include /etc/nginx/mime.types;
     include /etc/nginx/kms.conf;
-}
\ No newline at end of file
+}
diff --git a/conf/docker/vlmcsd.sh b/conf/docker/vlmcsd.sh
index afde0cd..1289d1e 100644
--- a/conf/docker/vlmcsd.sh
+++ b/conf/docker/vlmcsd.sh
@@ -1,9 +1,8 @@
 apk add --no-cache git make build-base
 git clone --branch master --single-branch https://github.com/Wind4/vlmcsd.git /tmp/vlmcsd-build
-cd /tmp/vlmcsd-build
-make
+cd /tmp/vlmcsd-build || exit && make
 mkdir /tmp/vlmcsd
 cp /tmp/vlmcsd-build/bin/vlmcs /tmp/vlmcsd/
 cp /tmp/vlmcsd-build/bin/vlmcsd /tmp/vlmcsd/
 cp /tmp/vlmcsd-build/etc/vlmcsd.kmd /tmp/vlmcsd/
-rm -rf /tmp/vlmcsd-build
\ No newline at end of file
+rm -rf /tmp/vlmcsd-build
diff --git a/conf/nginx/docker.conf b/conf/nginx/docker.conf
index e379015..0c0b71b 100644
--- a/conf/nginx/docker.conf
+++ b/conf/nginx/docker.conf
@@ -30,4 +30,4 @@ server {
         proxy_set_header Host $http_host;
         proxy_pass http://127.0.0.1:1689;
     }
-}
\ No newline at end of file
+}
diff --git a/conf/nginx/kms.conf b/conf/nginx/kms.conf
index 50b229e..70f0243 100644
--- a/conf/nginx/kms.conf
+++ b/conf/nginx/kms.conf
@@ -48,4 +48,4 @@ server {
     }
 
     location /assets {}
-}
\ No newline at end of file
+}
diff --git a/conf/vlmcsd.service b/conf/vlmcsd.service
index 54f8032..5bd98e9 100644
--- a/conf/vlmcsd.service
+++ b/conf/vlmcsd.service
@@ -10,4 +10,4 @@ ExecStop=/bin/kill -HUP $MAINPID
 PrivateTmp=true
 
 [Install]
-WantedBy=multi-user.target
\ No newline at end of file
+WantedBy=multi-user.target