diff --git a/library/think/console/command/optimize/Config.php b/library/think/console/command/optimize/Config.php
index d857873f..dc07ee22 100644
--- a/library/think/console/command/optimize/Config.php
+++ b/library/think/console/command/optimize/Config.php
@@ -78,7 +78,7 @@ class Config extends Command
 
         // 加载公共文件
         if (is_file($path . 'common' . EXT)) {
-            $content .= substr(file_get_contents($path . 'common' . EXT), 5) . PHP_EOL;
+            $content .= substr(php_strip_whitespace($path . 'common' . EXT), 5) . PHP_EOL;
         }
 
         $content .= '\think\Config::set(' . var_export(\think\Config::get(), true) . ');';