diff --git a/include/apache.sh b/include/apache.sh
index c9186ec3..3a9e9321 100644
--- a/include/apache.sh
+++ b/include/apache.sh
@@ -56,11 +56,11 @@ install_apache(){
     install_nghttp2
 
     cd ${cur_dir}/software/
-    download_file "${apr_filename}.tar.gz"
+    download_file "${apr_filename}.tar.gz" "${apr_filename_url}"
     tar zxf ${apr_filename}.tar.gz
-    download_file "${apr_util_filename}.tar.gz"
+    download_file "${apr_util_filename}.tar.gz" "${apr_util_filename_url}"
     tar zxf ${apr_util_filename}.tar.gz
-    download_file "${apache2_4_filename}.tar.gz"
+    download_file "${apache2_4_filename}.tar.gz" "${apache2_4_filename_url}"
     tar zxf ${apache2_4_filename}.tar.gz
     cd ${apache2_4_filename}
     mv ${cur_dir}/software/${apr_filename} srclib/apr
@@ -240,7 +240,7 @@ install_apache_modules(){
 install_nghttp2(){
     cd ${cur_dir}/software/
     log "Info" "${nghttp2_filename} install start..."
-    download_file "${nghttp2_filename}.tar.gz"
+    download_file "${nghttp2_filename}.tar.gz" "${nghttp2_filename_url}"
     tar zxf ${nghttp2_filename}.tar.gz
     cd ${nghttp2_filename}
 
@@ -262,7 +262,7 @@ install_openssl(){
     if version_lt ${major_version} 1.1.1; then
         cd ${cur_dir}/software/
         log "Info" "${openssl_filename} install start..."
-        download_file "${openssl_filename}.tar.gz"
+        download_file "${openssl_filename}.tar.gz" "${openssl_filename_url}"
         tar zxf ${openssl_filename}.tar.gz
         cd ${openssl_filename}
 
@@ -283,7 +283,7 @@ install_openssl(){
 install_mod_wsgi(){
     cd ${cur_dir}/software/
     log "Info" "${mod_wsgi_filename} install start..."
-    download_file "${mod_wsgi_filename}.tar.gz"
+    download_file "${mod_wsgi_filename}.tar.gz" "${mod_wsgi_filename_url}"
     tar zxf ${mod_wsgi_filename}.tar.gz
     cd ${mod_wsgi_filename}
 
@@ -301,7 +301,7 @@ install_mod_wsgi(){
 install_mod_jk(){
     cd ${cur_dir}/software/
     log "Info" "${mod_jk_filename} install start..."
-    download_file "${mod_jk_filename}.tar.gz"
+    download_file "${mod_jk_filename}.tar.gz" "${mod_jk_filename_url}"
     tar zxf ${mod_jk_filename}.tar.gz
     cd ${mod_jk_filename}/native
 
@@ -319,7 +319,7 @@ install_mod_jk(){
 install_mod_security(){
     cd ${cur_dir}/software/
     log "Info" "${mod_security_filename} install start..."
-    download_file "${mod_security_filename}.tar.gz"
+    download_file "${mod_security_filename}.tar.gz" "${mod_security_filename_url}"
     tar zxf ${mod_security_filename}.tar.gz
     cd ${mod_security_filename}
 
diff --git a/include/mysql.sh b/include/mysql.sh
index 2e4b5cc5..c20a6f4e 100644
--- a/include/mysql.sh
+++ b/include/mysql.sh
@@ -237,7 +237,7 @@ common_setup(){
     rm -f /usr/bin/mysql /usr/bin/mysqldump /usr/bin/mysqladmin
     rm -f /etc/ld.so.conf.d/mysql.conf
 
-    if [ -d ${mysql_location} ]; then
+    if [ -d "${mysql_location}" ]; then
 
         local db_name="MySQL"
         local db_pass="${mysql_root_pass}"
@@ -251,7 +251,7 @@ common_setup(){
         echo "${mysql_location}/lib" >> /etc/ld.so.conf.d/mysql.conf
         echo "${mysql_location}/lib64" >> /etc/ld.so.conf.d/mysql.conf
 
-    elif [ -d ${mariadb_location} ]; then
+    elif [ -d "${mariadb_location}" ]; then
 
         local db_name="MariaDB"
         local db_pass="${mariadb_root_pass}"
@@ -265,7 +265,7 @@ common_setup(){
         echo "${mariadb_location}/lib" >> /etc/ld.so.conf.d/mysql.conf
         echo "${mariadb_location}/lib64" >> /etc/ld.so.conf.d/mysql.conf
 
-    elif [ -d ${percona_location} ]; then
+    elif [ -d "${percona_location}" ]; then
 
         local db_name="Percona Server"
         local db_pass="${percona_root_pass}"
@@ -318,22 +318,20 @@ install_mysqld(){
     mysql_ver=$(echo ${mysql} | sed 's/[^0-9.]//g' | cut -d. -f1-2)
     cd ${cur_dir}/software/
     log "Info" "Downloading and Extracting MySQL files..."
+
+    mysql_filename="${mysql}-linux-glibc2.12-${sys_bit}"
     if [ "${mysql_ver}" == "8.0" ]; then
-        url1="https://cdn.mysql.com/Downloads/MySQL-${mysql_ver}/${mysql}-linux-glibc2.12-${sys_bit}.tar.xz"
-        url2="${download_root_url}/${mysql}-linux-glibc2.12-${sys_bit}.tar.xz"
-        mysql_file="${mysql}-linux-glibc2.12-${sys_bit}.tar.xz"
-        download_from_url "${mysql_file}" "${url1}" "${url2}"
-        tar Jxf ${mysql_file}
+        mysql_filename_url="https://cdn.mysql.com/Downloads/MySQL-${mysql_ver}/${mysql_filename}.tar.xz"
+        download_file "${mysql_filename}.tar.xz" "${mysql_filename_url}"
+        tar Jxf ${mysql_filename}.tar.xz
     else
-        url1="https://cdn.mysql.com/Downloads/MySQL-${mysql_ver}/${mysql}-linux-glibc2.12-${sys_bit}.tar.gz"
-        url2="${download_root_url}/${mysql}-linux-glibc2.12-${sys_bit}.tar.gz"
-        mysql_file="${mysql}-linux-glibc2.12-${sys_bit}.tar.gz"
-        download_from_url "${mysql_file}" "${url1}" "${url2}"
-        tar zxf ${mysql_file}
+        mysql_filename_url="https://cdn.mysql.com/Downloads/MySQL-${mysql_ver}/${mysql_filename}.tar.gz"
+        download_file "${mysql_filename}.tar.gz" "${mysql_filename_url}"
+        tar zxf ${mysql_filename}.tar.gz
     fi
 
     log "Info" "Moving MySQL files..."
-    mv ${mysql}-linux-glibc2.12-${sys_bit}/* ${mysql_location}
+    mv ${mysql_filename}/* ${mysql_location}
 
     config_mysql ${mysql_ver}
 
@@ -372,14 +370,6 @@ install_mariadb(){
 
     common_install
 
-    if [ "$(get_ip_country)" == "CN" ]; then
-        local down_addr1=http://mirrors.aliyun.com/mariadb/
-        local down_addr2=http://sfo1.mirrors.digitalocean.com/mariadb/
-    else
-        local down_addr1=http://sfo1.mirrors.digitalocean.com/mariadb/
-        local down_addr2=http://mirrors.aliyun.com/mariadb/
-    fi
-
     if version_lt $(get_libc_version) 2.14; then
         glibc_flag=linux
     else
@@ -389,16 +379,20 @@ install_mariadb(){
     is_64bit && sys_bit_a=x86_64 || sys_bit_a=x86
     is_64bit && sys_bit_b=x86_64 || sys_bit_b=i686
 
-    cd ${cur_dir}/software/
+    mariadb_filename="${mysql}-${glibc_flag}-${sys_bit_b}"
+    if [ "$(get_ip_country)" == "CN" ]; then
+        mariadb_filename_url="http://mirrors.aliyun.com/mariadb/${mysql}/bintar-${glibc_flag}-${sys_bit_a}/${mariadb_filename}.tar.gz"
+    else
+        mariadb_filename_url="http://sfo1.mirrors.digitalocean.com/mariadb/${mysql}/bintar-${glibc_flag}-${sys_bit_a}/${mariadb_filename}.tar.gz"
+    fi
 
-    download_from_url "${mysql}-${glibc_flag}-${sys_bit_b}.tar.gz" \
-    "${down_addr1}/${mysql}/bintar-${glibc_flag}-${sys_bit_a}/${mysql}-${glibc_flag}-${sys_bit_b}.tar.gz" \
-    "${down_addr2}/${mysql}/bintar-${glibc_flag}-${sys_bit_a}/${mysql}-${glibc_flag}-${sys_bit_b}.tar.gz"
+    cd ${cur_dir}/software/
+    download_file "${mariadb_filename}.tar.gz" "${mariadb_filename_url}"
 
     log "Info" "Extracting MariaDB files..."
-    tar zxf ${mysql}-${glibc_flag}-${sys_bit_b}.tar.gz
+    tar zxf ${mariadb_filename}.tar.gz
     log "Info" "Moving MariaDB files..."
-    mv ${mysql}-*-${sys_bit_b}/* ${mariadb_location}
+    mv ${mariadb_filename}/* ${mariadb_location}
 
     config_mariadb
 
@@ -449,22 +443,19 @@ install_percona(){
     local down_addr="https://www.percona.com/downloads/Percona-Server-${percona_ver}/${mysql}/binary/tarball"
 
     if [[ "${percona_ver}" == "5.5" || "${percona_ver}" == "5.6" ]]; then
-        tarball="${major_ver}-rel${rel_ver}-Linux.${sys_bit}.${ssl_ver}"
+        percona_filename="${major_ver}-rel${rel_ver}-Linux.${sys_bit}.${ssl_ver}"
     fi
     if [[ "${percona_ver}" == "5.7" || "${percona_ver}" == "8.0" ]]; then
-        tarball="${mysql}-Linux.${sys_bit}.${ssl_ver}"
+        percona_filename="${mysql}-Linux.${sys_bit}.${ssl_ver}"
     fi
-
-    local url1="${down_addr}/${tarball}.tar.gz"
-    local url2="${download_root_url}/${tarball}.tar.gz"
+    percona_filename_url="${down_addr}/${percona_filename}.tar.gz"
 
     cd ${cur_dir}/software/
-
-    download_from_url "${tarball}.tar.gz" "${url1}" "${url2}"
+    download_file "${percona_filename}.tar.gz" "${percona_filename_url}"
     log "Info" "Extracting Percona Server files..."
-    tar zxf ${tarball}.tar.gz
+    tar zxf ${percona_filename}.tar.gz
     log "Info" "Moving Percona Server files..."
-    mv ${tarball}/* ${percona_location}
+    mv ${percona_filename}/* ${percona_location}
 
     config_percona ${percona_ver}
 
diff --git a/include/php-modules.sh b/include/php-modules.sh
index 29ec66e1..c79541dd 100644
--- a/include/php-modules.sh
+++ b/include/php-modules.sh
@@ -173,7 +173,7 @@ install_libiconv(){
     if [ ! -e "/usr/local/bin/iconv" ]; then
         cd ${cur_dir}/software/
         log "Info" "${libiconv_filename} install start..."
-        download_file  "${libiconv_filename}.tar.gz"
+        download_file  "${libiconv_filename}.tar.gz" "${libiconv_filename_url}"
         tar zxf ${libiconv_filename}.tar.gz
         patch -d ${libiconv_filename} -p0 < ${cur_dir}/conf/libiconv-glibc-2.16.patch
         cd ${libiconv_filename}
@@ -190,7 +190,7 @@ install_re2c(){
     if [ ! -e "/usr/local/bin/re2c" ]; then
         cd ${cur_dir}/software/
         log "Info" "${re2c_filename} install start..."
-        download_file "${re2c_filename}.tar.gz"
+        download_file "${re2c_filename}.tar.gz" "${re2c_filename_url}"
         tar zxf ${re2c_filename}.tar.gz
         cd ${re2c_filename}
 
@@ -205,7 +205,7 @@ install_re2c(){
 install_pcre(){
     cd ${cur_dir}/software/
     log "Info" "${pcre_filename} install start..."
-    download_file "${pcre_filename}.tar.gz"
+    download_file "${pcre_filename}.tar.gz" "${pcre_filename_url}"
     tar zxf ${pcre_filename}.tar.gz
     cd ${pcre_filename}
 
@@ -222,7 +222,7 @@ install_mhash(){
     if [ ! -e "/usr/local/lib/libmhash.a" ]; then
         cd ${cur_dir}/software/
         log "Info" "${mhash_filename} install start..."
-        download_file "${mhash_filename}.tar.gz"
+        download_file "${mhash_filename}.tar.gz" "${mhash_filename_url}"
         tar zxf ${mhash_filename}.tar.gz
         cd ${mhash_filename}
 
@@ -238,7 +238,7 @@ install_mcrypt(){
     if [ ! -e "/usr/local/bin/mcrypt" ]; then
         cd ${cur_dir}/software/
         log "Info" "${mcrypt_filename} install start..."
-        download_file "${mcrypt_filename}.tar.gz"
+        download_file "${mcrypt_filename}.tar.gz" "${mcrypt_filename_url}"
         tar zxf ${mcrypt_filename}.tar.gz
         cd ${mcrypt_filename}
 
@@ -255,7 +255,7 @@ install_libmcrypt(){
     if [ ! -e "/usr/local/lib/libmcrypt.la" ]; then
         cd ${cur_dir}/software/
         log "Info" "${libmcrypt_filename} install start..."
-        download_file "${libmcrypt_filename}.tar.gz"
+        download_file "${libmcrypt_filename}.tar.gz" "${libmcrypt_filename_url}"
         tar zxf ${libmcrypt_filename}.tar.gz
         cd ${libmcrypt_filename}
 
@@ -271,7 +271,7 @@ install_libzip(){
     if [ ! -e "/usr/lib/libzip.la" ]; then
         cd ${cur_dir}/software/
         log "Info" "${libzip_filename} install start..."
-        download_file "${libzip_filename}.tar.gz"
+        download_file "${libzip_filename}.tar.gz" "${libzip_filename_url}"
         tar zxf ${libzip_filename}.tar.gz
         cd ${libzip_filename}
 
@@ -290,14 +290,14 @@ install_phpmyadmin(){
 
     cd ${cur_dir}/software
 
-    log "Info" "${phpmyadmin} install start..."
-    download_file "${phpmyadmin}.tar.gz"
-    tar zxf ${phpmyadmin}.tar.gz
-    mv ${phpmyadmin} ${web_root_dir}/phpmyadmin
+    log "Info" "${phpmyadmin_filename} install start..."
+    download_file "${phpmyadmin_filename}.tar.gz" "${phpmyadmin_filename_url}"
+    tar zxf ${phpmyadmin_filename}.tar.gz
+    mv ${phpmyadmin_filename} ${web_root_dir}/phpmyadmin
     cp -f ${cur_dir}/conf/config.inc.php ${web_root_dir}/phpmyadmin/config.inc.php
     mkdir -p ${web_root_dir}/phpmyadmin/{upload,save}
     chown -R apache:apache ${web_root_dir}/phpmyadmin
-    log "Info" "${phpmyadmin} install completed..."
+    log "Info" "${phpmyadmin_filename} install completed..."
 }
 
 
@@ -308,15 +308,12 @@ install_kodexplorer(){
 
     cd ${cur_dir}/software
 
-    log "Info" "${kodexplorer} install start..."
-    kod_version=$(echo ${kodexplorer} | grep -oE '[0-9]+\.[0-9]+')
-    kod_url1="https://github.com/kalcaddle/kodfile/archive/${kod_version}.tar.gz"
-    kod_url2="${download_root_url}/${kodexplorer}.tar.gz"
-    download_from_url "${kodexplorer}.tar.gz" "${kod_url1}" "${kod_url2}"
-    tar zxf ${kodexplorer}.tar.gz
-    mv ${kodexplorer} ${web_root_dir}/kod
+    log "Info" "${kodexplorer_filename} install start..."
+    download_file "${kodexplorer_filename}.tar.gz" "${kodexplorer_filename_url}"
+    tar zxf ${kodexplorer_filename}.tar.gz
+    mv ${kodexplorer_filename} ${web_root_dir}/kod
     chown -R apache:apache ${web_root_dir}/kod
-    log "Info" "${kodexplorer} install completed..."
+    log "Info" "${kodexplorer_filename} install completed..."
 }
 
 
@@ -329,11 +326,11 @@ install_ionCube(){
 
     log "Info" "PHP extension ionCube Loader install start..."
     if is_64bit; then
-        download_file "${ionCube64_filename}.tar.gz"
+        download_file "${ionCube64_filename}.tar.gz" "${ionCube64_filename_url}"
         tar zxf ${ionCube64_filename}.tar.gz
         cp -pf ioncube/ioncube_loader_lin_${php_version}_ts.so ${php_extension_dir}/
     else
-        download_file "${ionCube32_filename}.tar.gz"
+        download_file "${ionCube32_filename}.tar.gz" "${ionCube32_filename_url}"
         tar zxf ${ionCube32_filename}.tar.gz
         cp -pf ioncube/ioncube_loader_lin_${php_version}_ts.so ${php_extension_dir}/
     fi
@@ -356,7 +353,7 @@ install_xcache(){
 
     log "Info" "PHP extension XCache install start..."
     cd ${cur_dir}/software/
-    download_file "${xcache_filename}.tar.gz"
+    download_file "${xcache_filename}.tar.gz" "${xcache_filename_url}"
     tar zxf ${xcache_filename}.tar.gz
     cd ${xcache_filename}
     error_detect "${php_location}/bin/phpize"
@@ -424,7 +421,7 @@ install_php_libsodium(){
     cd ${cur_dir}/software/
 
     log "Info" "PHP extension libsodium install start..."
-    download_file "${libsodium_filename}.tar.gz"
+    download_file "${libsodium_filename}.tar.gz" "${libsodium_filename_url}"
     tar zxf ${libsodium_filename}.tar.gz
     cd ${libsodium_filename}
     error_detect "./configure --prefix=/usr"
@@ -433,7 +430,7 @@ install_php_libsodium(){
 
     cd ${cur_dir}/software/
 
-    download_file "${php_libsodium_filename}.tar.gz"
+    download_file "${php_libsodium_filename}.tar.gz" "${php_libsodium_filename_url}"
     tar zxf ${php_libsodium_filename}.tar.gz
     cd ${php_libsodium_filename}
     error_detect "${php_location}/bin/phpize"
@@ -460,7 +457,7 @@ install_php_imagesmagick(){
     cd ${cur_dir}/software/
 
     log "Info" "PHP extension imagemagick install start..."
-    download_file "${ImageMagick_filename}.tar.gz"
+    download_file "${ImageMagick_filename}.tar.gz" "${ImageMagick_filename_url}"
     tar zxf ${ImageMagick_filename}.tar.gz
     cd ${ImageMagick_filename}
     error_detect "./configure"
@@ -469,7 +466,7 @@ install_php_imagesmagick(){
 
     cd ${cur_dir}/software/
 
-    download_file "${php_imagemagick_filename}.tgz"
+    download_file "${php_imagemagick_filename}.tgz" "${php_imagemagick_filename_url}"
     tar zxf ${php_imagemagick_filename}.tgz
     cd ${php_imagemagick_filename}
     error_detect "${php_location}/bin/phpize"
@@ -496,7 +493,7 @@ install_php_graphicsmagick(){
     cd ${cur_dir}/software/
 
     log "Info" "PHP extension graphicsmagick install start..."
-    download_file "${GraphicsMagick_filename}.tar.gz"
+    download_file "${GraphicsMagick_filename}.tar.gz" "${GraphicsMagick_filename_url}"
     tar zxf ${GraphicsMagick_filename}.tar.gz
     cd ${GraphicsMagick_filename}
     error_detect "./configure --enable-shared"
@@ -506,11 +503,11 @@ install_php_graphicsmagick(){
     cd ${cur_dir}/software/
 
     if [ "$php" == "${php5_6_filename}" ]; then
-        download_file "${php_graphicsmagick_filename}.tgz"
+        download_file "${php_graphicsmagick_filename}.tgz" "${php_graphicsmagick_filename_url}"
         tar zxf ${php_graphicsmagick_filename}.tgz
         cd ${php_graphicsmagick_filename}
     else
-        download_file "${php_graphicsmagick_filename2}.tgz"
+        download_file "${php_graphicsmagick_filename2}.tgz" "${php_graphicsmagick_filename2_url}"
         tar zxf ${php_graphicsmagick_filename2}.tgz
         cd ${php_graphicsmagick_filename2}
     fi
@@ -539,7 +536,7 @@ install_php_memcached(){
     cd ${cur_dir}/software
 
     log "Info" "libevent install start..."
-    download_file "${libevent_filename}.tar.gz"
+    download_file "${libevent_filename}.tar.gz" "${libevent_filename_url}"
     tar zxf ${libevent_filename}.tar.gz
     cd ${libevent_filename}
     error_detect "./configure"
@@ -553,7 +550,7 @@ install_php_memcached(){
     log "Info" "memcached install start..."
     id -u memcached >/dev/null 2>&1
     [ $? -ne 0 ] && groupadd memcached && useradd -M -s /sbin/nologin -g memcached memcached
-    download_file "${memcached_filename}.tar.gz"
+    download_file "${memcached_filename}.tar.gz" "${memcached_filename_url}"
     tar zxf ${memcached_filename}.tar.gz
     cd ${memcached_filename}
     error_detect "./configure --prefix=${depends_prefix}/memcached"
@@ -580,7 +577,7 @@ install_php_memcached(){
     elif check_sys packageManager yum;then
         yum -y install cyrus-sasl-plain cyrus-sasl cyrus-sasl-devel cyrus-sasl-lib
     fi
-    download_file "${libmemcached_filename}.tar.gz"
+    download_file "${libmemcached_filename}.tar.gz" "${libmemcached_filename_url}"
     tar zxf ${libmemcached_filename}.tar.gz
     patch -d ${libmemcached_filename} -p0 < ${cur_dir}/conf/libmemcached-build.patch
     cd ${libmemcached_filename}
@@ -593,11 +590,11 @@ install_php_memcached(){
     
     log "Info" "PHP extension memcached extension install start..."
     if [ "$php" == "${php5_6_filename}" ]; then
-        download_file "${php_memcached_filename}.tgz"
+        download_file "${php_memcached_filename}.tgz" "${php_memcached_filename_url}"
         tar zxf ${php_memcached_filename}.tgz
         cd ${php_memcached_filename}
     else
-        download_file "${php_memcached_filename2}.tgz"
+        download_file "${php_memcached_filename2}.tgz" "${php_memcached_filename2_url}"
         tar zxf ${php_memcached_filename2}.tgz
         cd ${php_memcached_filename2}
     fi
@@ -631,7 +628,7 @@ install_php_redis(){
     cd ${cur_dir}/software/
 
     log "Info" "redis-server install start..."
-    download_file "${redis_filename}.tar.gz"
+    download_file "${redis_filename}.tar.gz" "${redis_filename_url}"
     tar zxf ${redis_filename}.tar.gz
     cd ${redis_filename}
     ! is_64bit && sed -i '1i\CFLAGS= -march=i686' src/Makefile && sed -i 's@^OPT=.*@OPT=-O2 -march=i686@' src/.make-settings
@@ -674,11 +671,11 @@ install_php_redis(){
         cd ${cur_dir}/software/
         log "Info" "PHP extension redis install start..."
         if [ "$php" == "${php5_6_filename}" ]; then
-            download_file  "${php_redis_filename}.tgz"
+            download_file  "${php_redis_filename}.tgz" "${php_redis_filename_url}"
             tar zxf ${php_redis_filename}.tgz
             cd ${php_redis_filename}
         else
-            download_file  "${php_redis_filename2}.tgz"
+            download_file  "${php_redis_filename2}.tgz" "${php_redis_filename2_url}"
             tar zxf ${php_redis_filename2}.tgz
             cd ${php_redis_filename2}
         fi
@@ -708,7 +705,7 @@ install_php_mongo(){
     cd ${cur_dir}/software/
 
     log "Info" "PHP extension mongodb install start..."
-    download_file "${php_mongo_filename}.tgz"
+    download_file "${php_mongo_filename}.tgz" "${php_mongo_filename_url}"
     tar zxf ${php_mongo_filename}.tgz
     cd ${php_mongo_filename}
     error_detect "${php_location}/bin/phpize"
@@ -735,7 +732,7 @@ install_swoole(){
     cd ${cur_dir}/software/
 
     log "Info" "PHP extension swoole install start..."
-    download_file "${swoole_filename}.tar.gz"
+    download_file "${swoole_filename}.tar.gz" "${swoole_filename_url}"
     tar zxf ${swoole_filename}.tar.gz
     cd ${swoole_filename}
     error_detect "${php_location}/bin/phpize"
@@ -763,11 +760,11 @@ install_xdebug(){
 
     log "Info" "PHP extension xdebug install start..."
     if [ "$php" == "${php5_6_filename}" ]; then
-        download_file "${xdebug_filename}.tgz"
+        download_file "${xdebug_filename}.tgz" "${xdebug_filename_url}"
         tar zxf ${xdebug_filename}.tgz
         cd ${xdebug_filename}
     else
-        download_file "${xdebug_filename2}.tgz"
+        download_file "${xdebug_filename2}.tgz" "${xdebug_filename2_url}"
         tar zxf ${xdebug_filename2}.tgz
         cd ${xdebug_filename2}
     fi
@@ -795,7 +792,7 @@ install_yaf(){
     cd ${cur_dir}/software/
 
     log "Info" "PHP extension yaf install start..."
-    download_file "${yaf_filename}.tgz"
+    download_file "${yaf_filename}.tgz" "${yaf_filename_url}"
     tar zxf ${yaf_filename}.tgz
     cd ${yaf_filename}
     error_detect "${php_location}/bin/phpize"
diff --git a/include/php.sh b/include/php.sh
index f26f6e15..1fb40fc7 100644
--- a/include/php.sh
+++ b/include/php.sh
@@ -103,23 +103,23 @@ install_php(){
     cd ${cur_dir}/software/
 
     if [ "${php}" == "${php5_6_filename}" ]; then
-        download_file  "${php5_6_filename}.tar.gz"
+        download_file  "${php5_6_filename}.tar.gz" "${php5_6_filename_url}"
         tar zxf ${php5_6_filename}.tar.gz
         cd ${php5_6_filename}
     elif [ "${php}" == "${php7_0_filename}" ]; then
-        download_file  "${php7_0_filename}.tar.gz"
+        download_file  "${php7_0_filename}.tar.gz" "${php7_0_filename_url}"
         tar zxf ${php7_0_filename}.tar.gz
         cd ${php7_0_filename}
     elif [ "${php}" == "${php7_1_filename}" ]; then
-        download_file  "${php7_1_filename}.tar.gz"
+        download_file  "${php7_1_filename}.tar.gz" "${php7_1_filename_url}"
         tar zxf ${php7_1_filename}.tar.gz
         cd ${php7_1_filename}
     elif [ "${php}" == "${php7_2_filename}" ]; then
-        download_file  "${php7_2_filename}.tar.gz"
+        download_file  "${php7_2_filename}.tar.gz" "${php7_2_filename_url}"
         tar zxf ${php7_2_filename}.tar.gz
         cd ${php7_2_filename}
     elif [ "${php}" == "${php7_3_filename}" ]; then
-        download_file  "${php7_3_filename}.tar.gz"
+        download_file  "${php7_3_filename}.tar.gz" "${php7_3_filename_url}"
         tar zxf ${php7_3_filename}.tar.gz
         cd ${php7_3_filename}
     fi
diff --git a/include/public.sh b/include/public.sh
index acfa8b14..ce0bd117 100644
--- a/include/public.sh
+++ b/include/public.sh
@@ -12,9 +12,9 @@
 # Github:   https://github.com/teddysun/lamp
 
 # Define Color
-RED='\033[0;31m'
-GREEN='\033[0;32m'
-YELLOW='\033[0;33m'
+RED='\033[1;31m'
+GREEN='\033[1;32m'
+YELLOW='\033[1;33m'
 PLAIN='\033[0m'
 
 log(){
@@ -31,8 +31,8 @@ log(){
 
 rootness(){
     if [[ ${EUID} -ne 0 ]]; then
-       log "Error" "This script must be run as root"
-       exit 1
+        log "Error" "This script must be run as root"
+        exit 1
     fi
 }
 
@@ -42,14 +42,14 @@ generate_password(){
 
 get_ip(){
     local IP=$( ip addr | egrep -o '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | egrep -v "^192\.168|^172\.1[6-9]\.|^172\.2[0-9]\.|^172\.3[0-2]\.|^10\.|^127\.|^255\.|^0\." | head -n 1 )
-    [ -z ${IP} ] && IP=$( wget -qO- -t1 -T2 ipv4.icanhazip.com )
-    [ -z ${IP} ] && IP=$( wget -qO- -t1 -T2 ipinfo.io/ip )
-    [ ! -z ${IP} ] && echo ${IP} || echo
+    [ -z "${IP}" ] && IP=$( wget -qO- -t1 -T2 ipv4.icanhazip.com )
+    [ -z "${IP}" ] && IP=$( wget -qO- -t1 -T2 ipinfo.io/ip )
+    [ -n "${IP}" ] && echo ${IP} || echo
 }
 
 get_ip_country(){
     local country=$( wget -qO- -t1 -T2 ipinfo.io/$(get_ip)/country )
-    [ ! -z ${country} ] && echo ${country} || echo
+    [ -n "${country}" ] && echo ${country} || echo
 }
 
 get_libc_version(){
@@ -148,7 +148,7 @@ display_menu(){
             vname="$(get_valid_valname ${arr[$i-1]})"
             hint="$(get_hint $vname)"
             [[ "$hint" == "" ]] && hint="${arr[$i-1]}"
-            echo -e "${GREEN}${i}${PLAIN}) $hint"
+            echo -e "${GREEN}${i}${PLAIN}. $hint"
         done
         echo
         read -p "${prompt}" pick
@@ -158,7 +158,7 @@ display_menu(){
         fi
 
         if ! is_digit "$pick"; then
-            prompt="Input error, please input a number"
+            prompt="Input error, please only input a number: "
             continue
         fi
 
@@ -203,7 +203,7 @@ display_menu_multi(){
         vname="$(get_valid_valname ${arr[$i-1]})"
         hint="$(get_hint $vname)"
         [[ "$hint" == "" ]] && hint="${arr[$i-1]}"
-        echo -e "${GREEN}${i}${PLAIN}) $hint"
+        echo -e "${GREEN}${i}${PLAIN}. $hint"
     done
     echo
     while true
@@ -224,28 +224,23 @@ display_menu_multi(){
         for j in ${pick[@]}
         do
             if ! is_digit "$j"; then
-                echo "Input error, please input a number"
+                echo "Input error, please only input a number."
                 correct=false
                 break 1
-            fi    
-
+            fi
             if [[ "$j" -lt 1 || "$j" -gt ${arr_len} ]]; then
-                echo "Input error, please input the number between 1 and ${arr_len}${default_prompt}."
+                echo "Input error, please input one or more number between 1 and ${arr_len}${default_prompt}."
                 correct=false
                 break 1
             fi
-
             if [ "${arr[$j-1]}" == "do_not_install" ]; then
                 eval ${soft}_install="do_not_install"
                 break 2
             fi
-                
             eval ${soft}_install="\"\$${soft}_install ${arr[$j-1]}\""
             correct=true
-
         done
         [[ "$correct" == true ]] && break
-
     done
 
     echo
@@ -659,41 +654,26 @@ filter_location(){
     fi
 }
 
+# Download a file
+# $1: file name
+# $2: primary url
 download_file(){
     local cur_dir=$(pwd)
-    local url="${download_root_url}/${1}"
-    if [ -s ${1} ]; then
+    if [ -s "${1}" ]; then
         log "Info" "${1} [found]"
     else
         log "Info" "${1} not found, download now..."
-        wget --no-check-certificate -cv -t3 -T60 ${url}
+        wget --no-check-certificate -cv -t3 -T60 -O ${1} ${2}
         if [ $? -eq 0 ]; then
             log "Info" "${1} download completed..."
         else
-            log "Error" "Failed to download ${1}, please download it to ${cur_dir} directory manually and try again."
-            exit 1
-        fi
-    fi
-}
-
-download_from_url(){
-    local filename=${1}
-    local cur_dir=$(pwd)
-    if [ -s ${filename} ]; then
-        log "Info" "${filename} [found]"
-    else
-        log "Info" "${filename} not found, download now..."
-        wget --no-check-certificate -cv -t3 -T60 -O ${filename} ${2}
-        if [ $? -eq 0 ]; then
-            log "Info" "${filename} download completed..."
-        else
-            rm -f ${filename}
-            log "Info" "${filename} download failed, retrying download from backup site..."
-            wget --no-check-certificate -cv -t3 -T60 -O ${filename} ${3}
+            rm -f ${1}
+            log "Info" "${1} download failed, retrying download from secondary url..."
+            wget --no-check-certificate -cv -t3 -T60 -O ${1} "${download_root_url}${1}"
             if [ $? -eq 0 ]; then
-                log "Info" "${filename} download completed..."
+                log "Info" "${1} download completed..."
             else
-                log "Error" "Failed to download ${filename}, please download it to ${cur_dir} directory manually and try again."
+                log "Error" "Failed to download ${1}, please download it to ${cur_dir} directory manually and try again."
                 exit 1
             fi
         fi
diff --git a/include/upgrade_apache.sh b/include/upgrade_apache.sh
index 5b82b223..d889e226 100644
--- a/include/upgrade_apache.sh
+++ b/include/upgrade_apache.sh
@@ -63,13 +63,13 @@ upgrade_apache(){
             --enable-modules=reallyall \
             --enable-mods-shared=reallyall"
 
-        download_file "${apr_filename}.tar.gz"
+        download_file "${apr_filename}.tar.gz" "${apr_filename_url}"
         tar zxf ${apr_filename}.tar.gz
-        download_file "${apr_util_filename}.tar.gz"
+        download_file "${apr_util_filename}.tar.gz" "${apr_util_filename_url}"
         tar zxf ${apr_util_filename}.tar.gz
 
         if [ ! -s httpd-${latest_apache24}.tar.gz ]; then
-            latest_apache_link="http://www.us.apache.org/dist//httpd/httpd-${latest_apache24}.tar.gz"
+            latest_apache_link="https://www-us.apache.org/dist//httpd/httpd-${latest_apache24}.tar.gz"
             backup_apache_link="${download_root_url}/httpd-${latest_apache24}.tar.gz"
             untar ${latest_apache_link} ${backup_apache_link}
         else
diff --git a/include/upgrade_db.sh b/include/upgrade_db.sh
index 7553df01..9ee1e213 100644
--- a/include/upgrade_db.sh
+++ b/include/upgrade_db.sh
@@ -165,22 +165,20 @@ EOF
 
             is_64bit && sys_bit=x86_64 || sys_bit=i686
             log "Info" "Downloading and Extracting MySQL files..."
+
+            mysql_filename="mysql-${latest_mysql}-linux-glibc2.12-${sys_bit}"
             if [ "${mysql_ver}" == "8.0" ]; then
-                url1="https://cdn.mysql.com/Downloads/MySQL-${mysql_ver}/mysql-${latest_mysql}-linux-glibc2.12-${sys_bit}.tar.xz"
-                url2="${download_root_url}/mysql-${latest_mysql}-linux-glibc2.12-${sys_bit}.tar.xz"
-                mysql_file="mysql-${latest_mysql}-linux-glibc2.12-${sys_bit}.tar.xz"
-                download_from_url "${mysql_file}" "${url1}" "${url2}"
-                tar Jxf ${mysql_file}
+                mysql_filename_url="https://cdn.mysql.com/Downloads/MySQL-${mysql_ver}/${mysql_filename}.tar.xz"
+                download_file "${mysql_filename}.tar.xz" "${mysql_filename_url}"
+                tar Jxf ${mysql_filename}.tar.xz
             else
-                url1="https://cdn.mysql.com/Downloads/MySQL-${mysql_ver}/mysql-${latest_mysql}-linux-glibc2.12-${sys_bit}.tar.gz"
-                url2="${download_root_url}/mysql-${latest_mysql}-linux-glibc2.12-${sys_bit}.tar.gz"
-                mysql_file="mysql-${latest_mysql}-linux-glibc2.12-${sys_bit}.tar.gz"
-                download_from_url "${mysql_file}" "${url1}" "${url2}"
-                tar zxf ${mysql_file}
+                mysql_filename_url="https://cdn.mysql.com/Downloads/MySQL-${mysql_ver}/${mysql_filename}.tar.gz"
+                download_file "${mysql_filename}.tar.gz" "${mysql_filename_url}"
+                tar zxf ${mysql_filename}.tar.gz
             fi
 
             log "Info" "Moving MySQL files..."
-            mv mysql-${latest_mysql}-linux-glibc2.12-${sys_bit}/* ${mysql_location}
+            mv ${mysql_filename}/* ${mysql_location}
 
             chown -R mysql:mysql ${mysql_location} ${datalocation}
             cp -f ${mysql_location}/support-files/mysql.server /etc/init.d/mysqld
@@ -204,14 +202,6 @@ EOF
             mkdir -p ${mariadb_location}
             [ ! -d ${datalocation} ] && mkdir -p ${datalocation}
 
-            if [ "$(get_ip_country)" == "CN" ]; then
-                down_addr1=http://mirrors.aliyun.com/mariadb/
-                down_addr2=http://sfo1.mirrors.digitalocean.com/mariadb/
-            else
-                down_addr1=http://sfo1.mirrors.digitalocean.com/mariadb/
-                down_addr2=http://mirrors.aliyun.com/mariadb/
-            fi
-
             libc_version=$(getconf -a | grep GNU_LIBC_VERSION | awk '{print $NF}')
 
             if version_lt ${libc_version} 2.14; then
@@ -219,18 +209,22 @@ EOF
             else
                 glibc_flag=linux-glibc_214
             fi
-            
             is_64bit && sys_bit_a=x86_64 || sys_bit_a=x86
             is_64bit && sys_bit_b=x86_64 || sys_bit_b=i686
 
-            download_from_url "mariadb-${latest_mariadb}-${glibc_flag}-${sys_bit_b}.tar.gz" \
-            "${down_addr1}/mariadb-${latest_mariadb}/bintar-${glibc_flag}-${sys_bit_a}/mariadb-${latest_mariadb}-${glibc_flag}-${sys_bit_b}.tar.gz" \
-            "${down_addr2}/mariadb-${latest_mariadb}/bintar-${glibc_flag}-${sys_bit_a}/mariadb-${latest_mariadb}-${glibc_flag}-${sys_bit_b}.tar.gz"
+            mariadb_filename="mariadb-${latest_mariadb}-${glibc_flag}-${sys_bit_b}"
+            if [ "$(get_ip_country)" == "CN" ]; then
+                mariadb_filename_url="http://mirrors.aliyun.com/mariadb/mariadb-${latest_mariadb}/bintar-${glibc_flag}-${sys_bit_a}/${mariadb_filename}.tar.gz"
+            else
+                mariadb_filename_url="http://sfo1.mirrors.digitalocean.com/mariadb/mariadb-${latest_mariadb}/bintar-${glibc_flag}-${sys_bit_a}/${mariadb_filename}.tar.gz"
+            fi
+
+            download_file "${mariadb_filename}.tar.gz" "${mariadb_filename_url}"
 
             log "Info" "Extracting MariaDB files..."
-            tar zxf mariadb-${latest_mariadb}-${glibc_flag}-${sys_bit_b}.tar.gz
+            tar zxf ${mariadb_filename}.tar.gz
             log "Info" "Moving MariaDB files..."
-            mv mariadb-${latest_mariadb}-*-${sys_bit_b}/* ${mariadb_location}
+            mv ${mariadb_filename}/* ${mariadb_location}
 
             chown -R mysql:mysql ${mariadb_location} ${datalocation}
             cp -f ${mariadb_location}/support-files/mysql.server /etc/init.d/mysqld
@@ -270,20 +264,19 @@ EOF
             down_addr="https://www.percona.com/downloads/Percona-Server-${percona_ver}/Percona-Server-${latest_percona}/binary/tarball"
 
             if [[ "${percona_ver}" == "5.5" || "${percona_ver}" == "5.6" ]]; then
-                tarball="${major_ver}-rel${rel_ver}-Linux.${sys_bit}.${ssl_ver}"
+                percona_filename="${major_ver}-rel${rel_ver}-Linux.${sys_bit}.${ssl_ver}"
             fi
             if [[ "${percona_ver}" == "5.7" || "${percona_ver}" == "8.0" ]]; then
-                tarball="Percona-Server-${latest_percona}-Linux.${sys_bit}.${ssl_ver}"
+                percona_filename="Percona-Server-${latest_percona}-Linux.${sys_bit}.${ssl_ver}"
             fi
 
-            url1="${down_addr}/${tarball}.tar.gz"
-            url2="${download_root_url}/${tarball}.tar.gz"
+            percona_filename_url="${down_addr}/${percona_filename}.tar.gz"
 
-            download_from_url "${tarball}.tar.gz" "${url1}" "${url2}"
+            download_file "${percona_filename}.tar.gz" "${percona_filename_url}"
             log "Info" "Extracting Percona Server files..."
-            tar zxf ${tarball}.tar.gz
+            tar zxf ${percona_filename}.tar.gz
             log "Info" "Moving Percona Server files..."
-            mv ${tarball}/* ${percona_location}
+            mv ${percona_filename}/* ${percona_location}
 
             chown -R mysql:mysql ${percona_location} ${datalocation}
             cp -f ${percona_location}/support-files/mysql.server /etc/init.d/mysqld
@@ -291,8 +284,8 @@ EOF
             sed -i "s:^datadir=.*:datadir=${datalocation}:g" /etc/init.d/mysqld
             chmod +x /etc/init.d/mysqld
 
-            sed -ir "s@/usr/local/${tarball}@${percona_location}@g" ${percona_location}/bin/mysqld_safe
-            sed -ir "s@/usr/local/${tarball}@${percona_location}@g" ${percona_location}/bin/mysql_config
+            sed -ir "s@/usr/local/${percona_filename}@${percona_location}@g" ${percona_location}/bin/mysqld_safe
+            sed -ir "s@/usr/local/${percona_filename}@${percona_location}@g" ${percona_location}/bin/mysql_config
 
             if [ "${percona_ver}" == "5.5" ] || [ "${percona_ver}" == "5.6" ]; then
                 ${percona_location}/scripts/mysql_install_db --basedir=${percona_location} --datadir=${datalocation} --user=mysql