diff --git a/library/think/Build.php b/library/think/Build.php
index a981caef..ef150c9e 100644
--- a/library/think/Build.php
+++ b/library/think/Build.php
@@ -57,7 +57,7 @@ class Build
         foreach ($list as $dir) {
             if (!is_dir(APP_PATH . $dir)) {
                 // 创建目录
-                mkdir(APP_PATH . $dir, 0777, true);
+                mkdir(APP_PATH . $dir, 0644, true);
             }
         }
     }
@@ -73,7 +73,7 @@ class Build
         foreach ($list as $file) {
             if (!is_dir(APP_PATH . dirname($file))) {
                 // 创建目录
-                mkdir(APP_PATH . dirname($file), 0777, true);
+                mkdir(APP_PATH . dirname($file), 0644, true);
             }
             if (!is_file(APP_PATH . $file)) {
                 file_put_contents(APP_PATH . $file, 'php' == pathinfo($file, PATHINFO_EXTENSION) ? "<?php\n" : '');
@@ -118,7 +118,7 @@ class Build
                 foreach ($file as $dir) {
                     if (!is_dir($modulePath . $dir)) {
                         // 创建目录
-                        mkdir($modulePath . $dir, 0777, true);
+                        mkdir($modulePath . $dir, 0644, true);
                     }
                 }
             } elseif ('__file__' == $path) {
@@ -146,7 +146,7 @@ class Build
                             $filename = $modulePath . $path . DS . $val . '.html';
                             if (!is_dir(dirname($filename))) {
                                 // 创建目录
-                                mkdir(dirname($filename), 0777, true);
+                                mkdir(dirname($filename), 0644, true);
                             }
                             $content = '';
                             break;
@@ -178,7 +178,7 @@ class Build
             $content = file_get_contents(THINK_PATH . 'tpl' . DS . 'default_index.tpl');
             $content = str_replace(['{$app}', '{$module}', '{layer}', '{$suffix}'], [$namespace, $module ? $module . '\\' : '', 'controller', $suffix ? 'Controller' : ''], $content);
             if (!is_dir(dirname($filename))) {
-                mkdir(dirname($filename), 0777, true);
+                mkdir(dirname($filename), 0644, true);
             }
             file_put_contents($filename, $content);
         }
diff --git a/library/think/File.php b/library/think/File.php
index 1c541a13..16f9bfc9 100644
--- a/library/think/File.php
+++ b/library/think/File.php
@@ -79,7 +79,7 @@ class File extends SplFileObject
             return true;
         }
 
-        if (mkdir($path, 0777, true)) {
+        if (mkdir($path, 0644, true)) {
             return true;
         } else {
             $this->error = "目录 {$path} 创建失败！";
diff --git a/library/think/console/command/Make.php b/library/think/console/command/Make.php
index a28cf0f0..64098fec 100644
--- a/library/think/console/command/Make.php
+++ b/library/think/console/command/Make.php
@@ -25,7 +25,7 @@ class Make extends Command
         }
 
         if (!is_dir(dirname($file))) {
-            mkdir(strtolower(dirname($file)), 0777, true);
+            mkdir(strtolower(dirname($file)), 0644, true);
         }
 
         file_put_contents($file, $content);
diff --git a/library/think/template/driver/File.php b/library/think/template/driver/File.php
index 1cf98a27..a049d683 100644
--- a/library/think/template/driver/File.php
+++ b/library/think/template/driver/File.php
@@ -26,7 +26,7 @@ class File
         // 检测模板目录
         $dir = dirname($cacheFile);
         if (!is_dir($dir)) {
-            mkdir($dir, 0777, true);
+            mkdir($dir, 0644, true);
         }
         // 生成模板缓存文件
         if (false === file_put_contents($cacheFile, $content)) {