diff --git a/library/think/Lang.php b/library/think/Lang.php
index 16e7f545..e064ae45 100644
--- a/library/think/Lang.php
+++ b/library/think/Lang.php
@@ -83,7 +83,9 @@ class Lang
                 // 记录加载信息
                 App::$debug && Log::record('[ LANG ] ' . $_file, 'info');
                 $_lang = include $_file;
-                $lang  = array_change_key_case($_lang) + $lang;
+                if (is_array($_lang)) {
+                    $lang = array_change_key_case($_lang) + $lang;
+                }
             }
         }
         if (!empty($lang)) {