diff --git a/src/SPC/builder/unix/UnixBuilderBase.php b/src/SPC/builder/unix/UnixBuilderBase.php
index c48c3ef3..583ad812 100644
--- a/src/SPC/builder/unix/UnixBuilderBase.php
+++ b/src/SPC/builder/unix/UnixBuilderBase.php
@@ -107,7 +107,7 @@ abstract class UnixBuilderBase extends BuilderBase
         // if no libs specified, compile all supported libs
         if ($sorted_libraries === [] && $this->isLibsOnly()) {
             $libraries = array_keys($support_lib_list);
-            $sorted_libraries = DependencyUtil::getLibsByDeps($libraries);
+            $sorted_libraries = DependencyUtil::getLibs($libraries);
         }
 
         // pkg-config must be compiled first, whether it is specified or not
diff --git a/src/SPC/builder/windows/WindowsBuilder.php b/src/SPC/builder/windows/WindowsBuilder.php
index 265751ba..b007e7ff 100644
--- a/src/SPC/builder/windows/WindowsBuilder.php
+++ b/src/SPC/builder/windows/WindowsBuilder.php
@@ -192,7 +192,7 @@ class WindowsBuilder extends BuilderBase
         // if no libs specified, compile all supported libs
         if ($sorted_libraries === [] && $this->isLibsOnly()) {
             $libraries = array_keys($support_lib_list);
-            $sorted_libraries = DependencyUtil::getLibsByDeps($libraries);
+            $sorted_libraries = DependencyUtil::getLibs($libraries);
         }
 
         // add lib object for builder
diff --git a/src/SPC/command/BuildLibsCommand.php b/src/SPC/command/BuildLibsCommand.php
index f3fb8897..f4d3b26c 100644
--- a/src/SPC/command/BuildLibsCommand.php
+++ b/src/SPC/command/BuildLibsCommand.php
@@ -60,7 +60,7 @@ class BuildLibsCommand extends BuildCommand
             // 只编译 library 的情况下，标记
             $builder->setLibsOnly();
             // 编译和检查库完整
-            $libraries = DependencyUtil::getLibsByDeps($libraries);
+            $libraries = DependencyUtil::getLibs($libraries);
             $builder->buildLibs($libraries);
 
             $time = round(microtime(true) - START_TIME, 3);
diff --git a/src/SPC/command/DownloadCommand.php b/src/SPC/command/DownloadCommand.php
index 542dae34..fa7f7543 100644
--- a/src/SPC/command/DownloadCommand.php
+++ b/src/SPC/command/DownloadCommand.php
@@ -214,7 +214,7 @@ class DownloadCommand extends BaseCommand
      */
     private function calculateSourcesByExt(array $extensions, bool $include_suggests = true): array
     {
-        [$extensions, $libraries] = $include_suggests ? DependencyUtil::getAllExtLibsByDeps($extensions) : DependencyUtil::getExtLibsByDeps($extensions);
+        [$extensions, $libraries] = $include_suggests ? DependencyUtil::getExtsAndLibs($extensions, [], true, true) : DependencyUtil::getExtsAndLibs($extensions);
         $sources = [];
         foreach ($extensions as $extension) {
             if (Config::getExt($extension, 'type') === 'external') {
diff --git a/src/SPC/command/DumpLicenseCommand.php b/src/SPC/command/DumpLicenseCommand.php
index 5535f820..2d01a692 100644
--- a/src/SPC/command/DumpLicenseCommand.php
+++ b/src/SPC/command/DumpLicenseCommand.php
@@ -22,8 +22,8 @@ class DumpLicenseCommand extends BaseCommand
     {
         $this->addOption('for-extensions', null, InputOption::VALUE_REQUIRED, 'Dump by extensions and related libraries', null);
         $this->addOption('without-php', null, InputOption::VALUE_NONE, 'Dump without php-src');
-        $this->addOption('by-libs', null, InputOption::VALUE_REQUIRED, 'Dump by libraries', null);
-        $this->addOption('by-sources', null, InputOption::VALUE_REQUIRED, 'Dump by original sources (source.json)', null);
+        $this->addOption('for-libs', null, InputOption::VALUE_REQUIRED, 'Dump by libraries', null);
+        $this->addOption('for-sources', null, InputOption::VALUE_REQUIRED, 'Dump by original sources (source.json)', null);
         $this->addOption('dump-dir', null, InputOption::VALUE_REQUIRED, 'Change dump directory', BUILD_ROOT_PATH . '/license');
     }
 
@@ -39,7 +39,7 @@ class DumpLicenseCommand extends BaseCommand
             // 从参数中获取要编译的 extensions，并转换为数组
             $extensions = array_map('trim', array_filter(explode(',', $this->getOption('for-extensions'))));
             // 根据提供的扩展列表获取依赖库列表并编译
-            [$extensions, $libraries] = DependencyUtil::getExtLibsByDeps($extensions);
+            [$extensions, $libraries] = DependencyUtil::getExtsAndLibs($extensions);
             $dumper->addExts($extensions);
             $dumper->addLibs($libraries);
             if (!$this->getOption('without-php')) {
@@ -52,22 +52,22 @@ class DumpLicenseCommand extends BaseCommand
             $this->output->writeln('Dump target dir: ' . $this->getOption('dump-dir'));
             return static::SUCCESS;
         }
-        if ($this->getOption('by-libs') !== null) {
-            $libraries = array_map('trim', array_filter(explode(',', $this->getOption('by-libs'))));
-            $libraries = DependencyUtil::getLibsByDeps($libraries);
+        if ($this->getOption('for-libs') !== null) {
+            $libraries = array_map('trim', array_filter(explode(',', $this->getOption('for-libs'))));
+            $libraries = DependencyUtil::getLibs($libraries);
             $dumper->addLibs($libraries);
             $dumper->dump($this->getOption('dump-dir'));
             $this->output->writeln('Dump target dir: ' . $this->getOption('dump-dir'));
             return static::SUCCESS;
         }
-        if ($this->getOption('by-sources') !== null) {
-            $sources = array_map('trim', array_filter(explode(',', $this->getOption('by-sources'))));
+        if ($this->getOption('for-sources') !== null) {
+            $sources = array_map('trim', array_filter(explode(',', $this->getOption('for-sources'))));
             $dumper->addSources($sources);
             $dumper->dump($this->getOption('dump-dir'));
             $this->output->writeln('Dump target dir: ' . $this->getOption('dump-dir'));
             return static::SUCCESS;
         }
-        $this->output->writeln('You must use one of "--for-extensions=", "--by-libs=", "--by-sources=" to dump');
+        $this->output->writeln('You must use one of "--for-extensions=", "--for-libs=", "--for-sources=" to dump');
         return static::FAILURE;
     }
 }
diff --git a/src/SPC/command/dev/AllExtCommand.php b/src/SPC/command/dev/AllExtCommand.php
index 0a161465..90675eb5 100644
--- a/src/SPC/command/dev/AllExtCommand.php
+++ b/src/SPC/command/dev/AllExtCommand.php
@@ -59,7 +59,7 @@ class AllExtCommand extends BaseCommand
             }
 
             try {
-                [, $libraries, $not_included] = DependencyUtil::getExtLibsByDeps([$extension]);
+                [, $libraries, $not_included] = DependencyUtil::getExtsAndLibs([$extension]);
             } catch (WrongUsageException) {
                 $libraries = $not_included = [];
             }
diff --git a/src/SPC/util/DependencyUtil.php b/src/SPC/util/DependencyUtil.php
index fe958b82..e82a93dc 100644
--- a/src/SPC/util/DependencyUtil.php
+++ b/src/SPC/util/DependencyUtil.php
@@ -5,104 +5,164 @@ declare(strict_types=1);
 namespace SPC\util;
 
 use SPC\exception\FileSystemException;
-use SPC\exception\RuntimeException;
 use SPC\exception\WrongUsageException;
 use SPC\store\Config;
 
 /**
- * 依赖处理工具类，包含处理扩展、库的依赖列表顺序等
+ * Dependency processing tool class, including processing extensions, library dependency list order, etc.
  */
 class DependencyUtil
 {
-    public static function getExtsAndLibs(array $exts, array $additional_libs = [], bool $include_suggested_exts = false, bool $include_suggested_libs = false): array
+    /**
+     * Convert platform extensions to library dependencies and suggestions.
+     *
+     * @throws WrongUsageException
+     * @throws FileSystemException
+     */
+    public static function platExtToLibs(): array
     {
-        if (!$include_suggested_exts && !$include_suggested_libs) {
-            return self::getExtLibsByDeps($exts, $additional_libs);
+        $exts = Config::getExts();
+        $libs = Config::getLibs();
+        $dep_list = [];
+        foreach ($exts as $ext_name => $ext) {
+            // convert ext-depends value to ext@xxx
+            $ext_depends = Config::getExt($ext_name, 'ext-depends', []);
+            $ext_depends = array_map(fn ($x) => "ext@{$x}", $ext_depends);
+            // convert ext-suggests value to ext@xxx
+            $ext_suggests = Config::getExt($ext_name, 'ext-suggests', []);
+            $ext_suggests = array_map(fn ($x) => "ext@{$x}", $ext_suggests);
+            // merge ext-depends with lib-depends
+            $lib_depends = Config::getExt($ext_name, 'lib-depends', []);
+            $depends = array_merge($ext_depends, $lib_depends);
+            // merge ext-suggests with lib-suggests
+            $lib_suggests = Config::getExt($ext_name, 'lib-suggests', []);
+            $suggests = array_merge($ext_suggests, $lib_suggests);
+            $dep_list["ext@{$ext_name}"] = [
+                'depends' => $depends,
+                'suggests' => $suggests,
+            ];
         }
-        if ($include_suggested_exts && $include_suggested_libs) {
-            return self::getAllExtLibsByDeps($exts, $additional_libs);
+        foreach ($libs as $lib_name => $lib) {
+            $dep_list[$lib_name] = [
+                'depends' => Config::getLib($lib_name, 'lib-depends', []),
+                'suggests' => Config::getLib($lib_name, 'lib-suggests', []),
+            ];
         }
-        if (!$include_suggested_exts) {
-            return self::getExtLibsByDeps($exts, $additional_libs);
-        }
-        return self::getAllExtLibsByDeps($exts, $additional_libs, false);
+        // here is an array that only contains dependency map
+        return $dep_list;
     }
 
     /**
-     * Obtain the dependent lib list according to the required ext list, and sort according to the dependency
-     *
-     * @param  array               $exts            extensions list
-     * @param  array               $additional_libs List of additional libraries to add to activate the extra library features triggered by lib-suggests
-     * @return array               Returns an array containing three arrays, [extensions, libraries, not included extensions]
      * @throws WrongUsageException
-     * @throws RuntimeException
      * @throws FileSystemException
      */
-    public static function getExtLibsByDeps(array $exts, array $additional_libs = [], bool $include_suggested_exts = false): array
+    public static function getLibs(array $libs, bool $include_suggested_libs = false): array
     {
-        $sorted = [];
-        $visited = [];
-        $not_included_exts = [];
-        foreach ($exts as $ext) {
-            if (!isset($visited[$ext])) {
-                self::visitExtDeps($ext, $visited, $sorted);
-            }
-        }
-        $sorted_suggests = [];
-        $visited_suggests = [];
-        $final = [];
-        foreach ($exts as $ext) {
-            if (!isset($visited_suggests[$ext])) {
-                self::visitExtAllDeps($ext, $visited_suggests, $sorted_suggests);
-            }
-        }
-        foreach ($sorted_suggests as $suggest) {
-            if (in_array($suggest, $sorted)) {
-                $final[] = $suggest;
-            }
-        }
-        $libs = $additional_libs;
+        $dep_list = self::platExtToLibs();
 
-        foreach ($final as $ext) {
-            if (!in_array($ext, $exts)) {
-                $not_included_exts[] = $ext;
-            }
-            foreach (Config::getExt($ext, 'lib-depends', []) as $lib) {
-                if (!in_array($lib, $libs)) {
-                    $libs[] = $lib;
+        if ($include_suggested_libs) {
+            foreach ($dep_list as $name => $obj) {
+                foreach ($obj['suggests'] as $id => $suggest) {
+                    if (!str_starts_with($suggest, 'ext@')) {
+                        $dep_list[$name]['depends'][] = $suggest;
+                        array_splice($dep_list[$name]['suggests'], $id, 1);
+                    }
                 }
             }
         }
-        return [$final, self::getLibsByDeps($libs), $not_included_exts];
+
+        $final = self::doVisitPlat($libs, $dep_list);
+
+        $libs_final = [];
+        foreach ($final as $item) {
+            if (!str_starts_with($item, 'ext@')) {
+                $libs_final[] = $item;
+            }
+        }
+        return $libs_final;
     }
 
     /**
-     * 根据 lib 库的依赖关系进行一个排序，同时返回多出来的依赖列表
-     *
-     * @param  array               $libs 要排序的 libs 列表
-     * @return array               排序后的列表
-     * @throws FileSystemException
-     * @throws RuntimeException
-     * @throws WrongUsageException
+     * @throws FileSystemException|WrongUsageException
      */
-    public static function getLibsByDeps(array $libs): array
+    public static function getExtsAndLibs(array $exts, array $additional_libs = [], bool $include_suggested_exts = false, bool $include_suggested_libs = false): array
     {
-        $sorted = [];
-        $visited = [];
+        $dep_list = self::platExtToLibs();
 
-        // 遍历所有
-        foreach ($libs as $lib) {
-            if (!isset($visited[$lib])) {
-                self::visitLibDeps($lib, $visited, $sorted);
+        // include suggested extensions
+        if ($include_suggested_exts) {
+            // check every deps suggests contains ext@
+            foreach ($dep_list as $name => $obj) {
+                foreach ($obj['suggests'] as $id => $suggest) {
+                    if (str_starts_with($suggest, 'ext@')) {
+                        $dep_list[$name]['depends'][] = $suggest;
+                        array_splice($dep_list[$name]['suggests'], $id, 1);
+                    }
+                }
             }
         }
 
+        // include suggested libraries
+        if ($include_suggested_libs) {
+            // check every deps suggests
+            foreach ($dep_list as $name => $obj) {
+                foreach ($obj['suggests'] as $id => $suggest) {
+                    if (!str_starts_with($suggest, 'ext@')) {
+                        $dep_list[$name]['depends'][] = $suggest;
+                        array_splice($dep_list[$name]['suggests'], $id, 1);
+                    }
+                }
+            }
+        }
+
+        // convert ext_name to ext@ext_name
+        $origin_exts = $exts;
+        $exts = array_map(fn ($x) => "ext@{$x}", $exts);
+        $exts = array_merge($exts, $additional_libs);
+
+        $final = self::doVisitPlat($exts, $dep_list);
+
+        // revert array
+        $exts_final = [];
+        $libs_final = [];
+        $not_included_final = [];
+        foreach ($final as $item) {
+            if (str_starts_with($item, 'ext@')) {
+                $tmp = substr($item, 4);
+                if (!in_array($tmp, $origin_exts)) {
+                    $not_included_final[] = $tmp;
+                }
+                $exts_final[] = $tmp;
+            } else {
+                $libs_final[] = $item;
+            }
+        }
+        return [$exts_final, $libs_final, $not_included_final];
+    }
+
+    /**
+     * @throws WrongUsageException
+     */
+    private static function doVisitPlat(array $deps, array $dep_list): array
+    {
+        // default: get extension exts and libs sorted by dep_list
+        $sorted = [];
+        $visited = [];
+        foreach ($deps as $ext_name) {
+            if (!isset($dep_list[$ext_name])) {
+                $ext_name = str_starts_with($ext_name, 'ext@') ? ('Extension [' . substr($ext_name, 4) . ']') : ('Library [' . $ext_name . ']');
+                throw new WrongUsageException("{$ext_name} not exist !");
+            }
+            if (!isset($visited[$ext_name])) {
+                self::visitPlatDeps($ext_name, $dep_list, $visited, $sorted);
+            }
+        }
         $sorted_suggests = [];
         $visited_suggests = [];
         $final = [];
-        foreach ($libs as $lib) {
-            if (!isset($visited_suggests[$lib])) {
-                self::visitLibAllDeps($lib, $visited_suggests, $sorted_suggests);
+        foreach ($deps as $ext_name) {
+            if (!isset($visited_suggests[$ext_name])) {
+                self::visitPlatAllDeps($ext_name, $dep_list, $visited_suggests, $sorted_suggests);
             }
         }
         foreach ($sorted_suggests as $suggest) {
@@ -113,50 +173,7 @@ class DependencyUtil
         return $final;
     }
 
-    public static function getAllExtLibsByDeps(array $exts, array $additional_libs = [], bool $include_suggested_libs = true): array
-    {
-        $sorted = [];
-        $visited = [];
-        $not_included_exts = [];
-        foreach ($exts as $ext) {
-            if (!isset($visited[$ext])) {
-                self::visitExtAllDeps($ext, $visited, $sorted);
-            }
-        }
-        $libs = $additional_libs;
-        foreach ($sorted as $ext) {
-            if (!in_array($ext, $exts)) {
-                $not_included_exts[] = $ext;
-            }
-            $total = $include_suggested_libs ? array_merge(Config::getExt($ext, 'lib-depends', []), Config::getExt($ext, 'lib-suggests', [])) : Config::getExt($ext, 'lib-depends', []);
-            foreach ($total as $dep) {
-                if (!in_array($dep, $libs)) {
-                    $libs[] = $dep;
-                }
-            }
-        }
-        return [$sorted, self::getAllLibsByDeps($libs), $not_included_exts];
-    }
-
-    public static function getAllLibsByDeps(array $libs): array
-    {
-        $sorted = [];
-        $visited = [];
-
-        foreach ($libs as $lib) {
-            if (!isset($visited[$lib])) {
-                self::visitLibAllDeps($lib, $visited, $sorted);
-            }
-        }
-        return $sorted;
-    }
-
-    /**
-     * @throws FileSystemException
-     * @throws RuntimeException
-     * @throws WrongUsageException
-     */
-    private static function visitLibAllDeps(string $lib_name, array &$visited, array &$sorted): void
+    private static function visitPlatAllDeps(string $lib_name, array $dep_list, array &$visited, array &$sorted): void
     {
         // 如果已经识别到了，那就不管
         if (isset($visited[$lib_name])) {
@@ -164,37 +181,13 @@ class DependencyUtil
         }
         $visited[$lib_name] = true;
         // 遍历该依赖的所有依赖（此处的 getLib 如果检测到当前库不存在的话，会抛出异常）
-        foreach (array_merge(Config::getLib($lib_name, 'lib-depends', []), Config::getLib($lib_name, 'lib-suggests', [])) as $dep) {
-            self::visitLibDeps($dep, $visited, $sorted);
+        foreach (array_merge($dep_list[$lib_name]['depends'], $dep_list[$lib_name]['suggests']) as $dep) {
+            self::visitPlatAllDeps($dep, $dep_list, $visited, $sorted);
         }
         $sorted[] = $lib_name;
     }
 
-    /**
-     * @throws RuntimeException
-     * @throws FileSystemException
-     * @throws WrongUsageException
-     */
-    private static function visitExtAllDeps(string $ext_name, array &$visited, array &$sorted): void
-    {
-        // 如果已经识别到了，那就不管
-        if (isset($visited[$ext_name])) {
-            return;
-        }
-        $visited[$ext_name] = true;
-        // 遍历该依赖的所有依赖（此处的 getLib 如果检测到当前库不存在的话，会抛出异常）
-        foreach (array_merge(Config::getExt($ext_name, 'ext-depends', []), Config::getExt($ext_name, 'ext-suggests', [])) as $dep) {
-            self::visitExtDeps($dep, $visited, $sorted);
-        }
-        $sorted[] = $ext_name;
-    }
-
-    /**
-     * @throws RuntimeException
-     * @throws FileSystemException
-     * @throws WrongUsageException
-     */
-    private static function visitLibDeps(string $lib_name, array &$visited, array &$sorted): void
+    private static function visitPlatDeps(string $lib_name, array $dep_list, array &$visited, array &$sorted): void
     {
         // 如果已经识别到了，那就不管
         if (isset($visited[$lib_name])) {
@@ -202,26 +195,9 @@ class DependencyUtil
         }
         $visited[$lib_name] = true;
         // 遍历该依赖的所有依赖（此处的 getLib 如果检测到当前库不存在的话，会抛出异常）
-        foreach (Config::getLib($lib_name, 'lib-depends', []) as $dep) {
-            self::visitLibDeps($dep, $visited, $sorted);
+        foreach ($dep_list[$lib_name]['depends'] as $dep) {
+            self::visitPlatDeps($dep, $dep_list, $visited, $sorted);
         }
         $sorted[] = $lib_name;
     }
-
-    /**
-     * @throws RuntimeException
-     * @throws FileSystemException
-     * @throws WrongUsageException
-     */
-    private static function visitExtDeps(string $ext_name, array &$visited, array &$sorted): void
-    {
-        if (isset($visited[$ext_name])) {
-            return;
-        }
-        $visited[$ext_name] = true;
-        foreach (Config::getExt($ext_name, 'ext-depends', []) as $dep) {
-            self::visitExtDeps($dep, $visited, $sorted);
-        }
-        $sorted[] = $ext_name;
-    }
 }