diff --git a/src/SPC/builder/windows/SystemUtil.php b/src/SPC/builder/windows/SystemUtil.php
index e1794f94..4d3d38ff 100644
--- a/src/SPC/builder/windows/SystemUtil.php
+++ b/src/SPC/builder/windows/SystemUtil.php
@@ -21,7 +21,7 @@ class SystemUtil
         if (!$paths) {
             $paths = explode(PATH_SEPARATOR, getenv('Path'));
             if ($include_sdk_bin) {
-                $paths[] = PHP_SDK_PATH . '\bin';
+                $paths[] = getenv('PHP_SDK_PATH') . '\bin';
             }
         }
         foreach ($paths as $path) {
diff --git a/src/SPC/builder/windows/WindowsBuilder.php b/src/SPC/builder/windows/WindowsBuilder.php
index 1c1646d7..ecccce19 100644
--- a/src/SPC/builder/windows/WindowsBuilder.php
+++ b/src/SPC/builder/windows/WindowsBuilder.php
@@ -38,7 +38,7 @@ class WindowsBuilder extends BuilderBase
         // ---------- set necessary options ----------
         // set sdk (require visual studio 16 or 17)
         $vs = SystemUtil::findVisualStudio()['version'];
-        $this->sdk_prefix = PHP_SDK_PATH . "\\phpsdk-{$vs}-x64.bat -t";
+        $this->sdk_prefix = getenv('PHP_SDK_PATH') . "\\phpsdk-{$vs}-x64.bat -t";
 
         // set zts
         $this->zts = $this->getOption('enable-zts', false);
diff --git a/src/SPC/doctor/item/WindowsToolCheckList.php b/src/SPC/doctor/item/WindowsToolCheckList.php
index b66737cc..bfeb063e 100644
--- a/src/SPC/doctor/item/WindowsToolCheckList.php
+++ b/src/SPC/doctor/item/WindowsToolCheckList.php
@@ -37,10 +37,10 @@ class WindowsToolCheckList
     #[AsCheckItem('if php-sdk-binary-tools are downloaded', limit_os: 'Windows', level: 997)]
     public function checkSDK(): ?CheckResult
     {
-        if (!file_exists(PHP_SDK_PATH . DIRECTORY_SEPARATOR . 'phpsdk-starter.bat')) {
+        if (!file_exists(getenv('PHP_SDK_PATH') . DIRECTORY_SEPARATOR . 'phpsdk-starter.bat')) {
             return CheckResult::fail('php-sdk-binary-tools not downloaded', 'install-php-sdk');
         }
-        return CheckResult::ok(PHP_SDK_PATH);
+        return CheckResult::ok(getenv('PHP_SDK_PATH'));
     }
 
     #[AsCheckItem('if git associated command exists', limit_os: 'Windows', level: 996)]
@@ -81,8 +81,8 @@ class WindowsToolCheckList
     public function installPhpSdk(): bool
     {
         try {
-            FileSystem::removeDir(PHP_SDK_PATH);
-            cmd(true)->exec('git.exe clone --depth 1 https://github.com/php/php-sdk-binary-tools.git ' . PHP_SDK_PATH);
+            FileSystem::removeDir(getenv('PHP_SDK_PATH'));
+            cmd(true)->exec('git.exe clone --depth 1 https://github.com/php/php-sdk-binary-tools.git ' . getenv('PHP_SDK_PATH'));
         } catch (RuntimeException) {
             return false;
         }
diff --git a/src/SPC/store/FileSystem.php b/src/SPC/store/FileSystem.php
index cbf6107e..4b5b32d6 100644
--- a/src/SPC/store/FileSystem.php
+++ b/src/SPC/store/FileSystem.php
@@ -428,7 +428,7 @@ class FileSystem
     {
         $replacement = [
             '{pkg_root_path}' => PKG_ROOT_PATH,
-            '{php_sdk_path}' => defined('PHP_SDK_PATH') ? PHP_SDK_PATH : WORKING_DIR . '/php-sdk-binary-tools',
+            '{php_sdk_path}' => getenv('PHP_SDK_PATH') ? getenv('PHP_SDK_PATH') : WORKING_DIR . '/php-sdk-binary-tools',
             '{working_dir}' => WORKING_DIR,
             '{download_path}' => DOWNLOAD_PATH,
             '{source_path}' => SOURCE_PATH,
@@ -480,7 +480,7 @@ class FileSystem
             };
         } elseif (PHP_OS_FAMILY === 'Windows') {
             // use php-sdk-binary-tools/bin/7za.exe
-            $_7z = self::convertPath(PHP_SDK_PATH . '/bin/7za.exe');
+            $_7z = self::convertPath(getenv('PHP_SDK_PATH') . '/bin/7za.exe');
 
             // Windows notes: I hate windows tar.......
             // When extracting .tar.gz like libxml2, it shows a symlink error and returns code[1].
diff --git a/src/SPC/util/GlobalEnvManager.php b/src/SPC/util/GlobalEnvManager.php
index 8bbe863a..230ad2e8 100644
--- a/src/SPC/util/GlobalEnvManager.php
+++ b/src/SPC/util/GlobalEnvManager.php
@@ -46,7 +46,7 @@ class GlobalEnvManager
 
         // Define env vars for linux
         if (PHP_OS_FAMILY === 'Linux') {
-            $arch = GNU_ARCH;
+            $arch = arch2gnu(php_uname('m'));
             if (SystemUtil::isMuslDist()) {
                 self::putenv('SPC_LINUX_DEFAULT_CC=gcc');
                 self::putenv('SPC_LINUX_DEFAULT_CXX=g++');