diff --git a/prepare.php b/prepare.php
index a09eab4192..e377caaf4d 100755
--- a/prepare.php
+++ b/prepare.php
@@ -11,6 +11,11 @@
 $p = Preprocessor::getInstance();
 $p->parseArguments($argc, $argv);
 
+$buildType = $p->getBuildType();
+if ($p->getInputOption('with-build-type')) {
+    $buildType = $p->getInputOption('with-build-type');
+    $p->setBuildType($buildType);
+}
 
 # clean
 # clean old make.sh
@@ -26,7 +31,7 @@
 
 
 // Sync code from php-src
-$p->setPhpSrcDir($homeDir . '/.phpbrew/build/php-' . BUILD_PHP_VERSION);
+$p->setPhpSrcDir($p->getWorkDir() . '/var/php-' . BUILD_PHP_VERSION);
 
 // Compile directly on the host machine, not in the docker container
 if ($p->getInputOption('without-docker') || ($p->isMacos())) {
@@ -39,6 +44,7 @@
     $p->setExtEnabled([]);
 }
 
+
 if ($p->getInputOption('with-global-prefix')) {
     $p->setGlobalPrefix($p->getInputOption('with-global-prefix'));
 }
diff --git a/sapi/src/Preprocessor.php b/sapi/src/Preprocessor.php
index 50c92f8c17..04072acfd5 100644
--- a/sapi/src/Preprocessor.php
+++ b/sapi/src/Preprocessor.php
@@ -293,6 +293,11 @@ public function getWorkDir(): string
         return $this->workDir;
     }
 
+    public function getWorkExtDir(): string
+    {
+        return $this->workDir . '/ext/';
+    }
+
     public function setExtraLdflags(string $flags)
     {
         $this->extraLdflags = $flags;
@@ -453,7 +458,7 @@ public function donotInstallLibrary(): void
     /**
      * @param string $url
      * @param string $file
-     * @param object|null $project
+     * @param object|null $project [ $lib or $ext ]
      * @param string $httpProxyConfig
      * @return void
      */
@@ -1182,7 +1187,7 @@ public function execute(): void
         $this->setExtensionDependency();
 
         if ($this->getInputOption('skip-download')) {
-            $this->generateLibraryDownloadLinks();
+            $this->generateDownloadLinks();
         }
 
         $this->generateFile(__DIR__ . '/template/make-install-deps.php', $this->rootDir . '/make-install-deps.sh');
diff --git a/sapi/src/PreprocessorTrait/DownloadBoxTrait.php b/sapi/src/PreprocessorTrait/DownloadBoxTrait.php
index 6a9045ab6b..f6d30855a5 100644
--- a/sapi/src/PreprocessorTrait/DownloadBoxTrait.php
+++ b/sapi/src/PreprocessorTrait/DownloadBoxTrait.php
@@ -23,7 +23,7 @@ trait DownloadBoxTrait
 
 EOF;
 
-    protected function generateLibraryDownloadLinks(): void
+    protected function generateDownloadLinks(): void
     {
         $this->mkdirIfNotExists($this->getRootDir() . '/var/download-box/', 0755, true);
 
diff --git a/sapi/src/builder/extension/aaa_example.php b/sapi/src/builder/extension/aaa_example.php
index dadd539f68..013d4fb1f7 100644
--- a/sapi/src/builder/extension/aaa_example.php
+++ b/sapi/src/builder/extension/aaa_example.php
@@ -122,9 +122,10 @@
 
     // 扩展钩子 写法
     $p->withBeforeConfigureScript('swoole', function (Preprocessor $p) {
-        $workdir = $p->getWorkDir();
+        $workDir = $p->getWorkDir();
+        $workExtDir = $p->getWorkExtDir();
         $cmd = <<<EOF
-        cd {$workdir}
+        cd {$workDir}
         # 构建之前对 swoole 源码做一些特别处理
         # 比如加载一个补丁等
         # 比如修改 swoole 源码的构建文件