diff --git a/src/Php/Backend/Clang.php b/src/Php/Backend/Clang.php
index e7fab172..f6c27241 100644
--- a/src/Php/Backend/Clang.php
+++ b/src/Php/Backend/Clang.php
@@ -123,7 +123,7 @@ class Clang extends CompilerBackend
         $optimizeLevel = $options['optimize'] ?? 2;
         
         // 调试模式
-        if (!empty($options['debug'])) {
+        if (!empty($options['debug_info'])) {
             $cmd .= ' -O0 -g';
         } else {
             $cmd .= ' -O' . $optimizeLevel;
@@ -172,7 +172,7 @@ class Clang extends CompilerBackend
         $optimizeLevel = $options['optimize'] ?? 0;
         
         // 调试模式
-        if (!empty($options['debug'])) {
+        if (!empty($options['debug_info'])) {
             $cmd .= ' -O0 -g';
         } else {
             $cmd .= ' -O' . $optimizeLevel;
@@ -407,11 +407,6 @@ class Clang extends CompilerBackend
             }
         } else {
             // Unix/Linux/macOS
-            // 调试
-            if (!empty($config['debug_info'])) {
-                $cmd .= ' -g';
-            }
-            
             // 扩展模块选项
             if (!empty($config['build_mode']) && $config['build_mode'] === 'ext') {
                 $cmd .= ' -shared';
diff --git a/src/Php/Backend/Gcc.php b/src/Php/Backend/Gcc.php
index 87035bac..96e21755 100644
--- a/src/Php/Backend/Gcc.php
+++ b/src/Php/Backend/Gcc.php
@@ -98,7 +98,7 @@ class Gcc extends CompilerBackend
         $cmd .= ' -O' . $optimizeLevel;
         
         // 调试信息
-        if (!empty($options['debug'])) {
+        if (!empty($options['debug_info'])) {
             $cmd .= ' -g';
         }
         
@@ -132,7 +132,7 @@ class Gcc extends CompilerBackend
         $cmd .= ' -O' . $optimizeLevel;
         
         // 调试信息
-        if (!empty($options['debug'])) {
+        if (!empty($options['debug_info'])) {
             $cmd .= ' -g';
         }
         
@@ -286,11 +286,6 @@ class Gcc extends CompilerBackend
     {
         $cmd = '';
         
-        // 调试
-        if (!empty($config['debug_info'])) {
-            $cmd .= ' -g';
-        }
-        
         // 扩展模块选项
         if (!empty($config['build_mode']) && $config['build_mode'] === 'ext') {
             $cmd .= ' -shared';
diff --git a/src/Php/Backend/Msvc.php b/src/Php/Backend/Msvc.php
index b9df93aa..37f33535 100644
--- a/src/Php/Backend/Msvc.php
+++ b/src/Php/Backend/Msvc.php
@@ -182,7 +182,7 @@ class Msvc extends CompilerBackend
         $cmd .= ' /OUT:' . escapeshellarg($outputFile);
         
         // 调试信息
-        if (!empty($options['debug'])) {
+        if (!empty($options['debug_info'])) {
             $cmd .= ' /DEBUG';
         }
         
diff --git a/src/Php/CompilerBase.php b/src/Php/CompilerBase.php
index aef6172f..419de89b 100644
--- a/src/Php/CompilerBase.php
+++ b/src/Php/CompilerBase.php
@@ -2470,7 +2470,14 @@ class CompilerBase extends \PhpAot\Core\Translator
             $libraryPaths = array_merge($libraryPaths, $phpLibPaths);
         }
 
-        return $this->platform->getLibraryPathFlags($libraryPaths);
+        $flags = $this->platform->getLibraryPathFlags($libraryPaths);
+        
+        // 添加用户自定义的 ldflags
+        if (!empty($this->ldflags)) {
+            $flags .= ' ' . $this->ldflags;
+        }
+        
+        return $flags;
     }
 
     /**