diff --git a/src/ZM/Store/FileSystem.php b/src/ZM/Store/FileSystem.php
index 8ce7e3e7..4efc2fea 100644
--- a/src/ZM/Store/FileSystem.php
+++ b/src/ZM/Store/FileSystem.php
@@ -25,6 +25,11 @@ class FileSystem
             logger()->warning(zm_internal_errcode('E00080') . '扫描目录失败，目录不存在');
             return false;
         }
+        // 检查目录是否可读
+        if (!is_readable($dir)) {
+            logger()->warning(zm_internal_errcode('E00080') . '扫描目录失败，目录不可读');
+            return false;
+        }
         logger()->debug('扫描' . $dir);
         // 套上 zm_dir
         $scan_list = scandir($dir);
diff --git a/tests/ZM/Store/FileSystemTest.php b/tests/ZM/Store/FileSystemTest.php
index ea295ace..f21f3972 100644
--- a/tests/ZM/Store/FileSystemTest.php
+++ b/tests/ZM/Store/FileSystemTest.php
@@ -127,7 +127,7 @@ class FileSystemTest extends TestCase
         $old_perm = $this->vfs->getPermissions();
         $this->vfs->chmod(0000);
         FileSystem::scanDirFiles($this->vfs->url());
-        $this->assertLogged('warning', zm_internal_errcode('E00080') . '扫描目录失败，目录无法读取: ' . $this->vfs->url());
+        $this->assertLogged('warning', zm_internal_errcode('E00080') . '扫描目录失败，目录不可读');
         $this->vfs->chmod($old_perm);
     }
 }