diff --git a/library/think/lang.php b/library/think/lang.php
index afb3547a..061589fd 100644
--- a/library/think/lang.php
+++ b/library/think/lang.php
@@ -112,6 +112,7 @@ class Lang
         // 自动侦测设置获取语言选择
         $langCookieVar = Config::get('lang_cookie_var');
         $langDetectVar = Config::get('lang_detect_var');
+        $langSet       = '';
         if (isset($_GET[$langDetectVar])) {
             // url中设置了语言变量
             $langSet = strtolower($_GET[$langDetectVar]);
diff --git a/library/think/route.php b/library/think/route.php
index 4bf7b327..45834d28 100644
--- a/library/think/route.php
+++ b/library/think/route.php
@@ -237,11 +237,11 @@ class Route
         }
 
         // 获取当前请求类型的路由规则
-        $rules = self::$rules[REQUEST_METHOD];
+        $rules = isset(self::$rules[REQUEST_METHOD]) ? self::$rules[REQUEST_METHOD] : [];
 
         if (!empty(self::$rules['*'])) {
             // 合并任意请求的路由规则
-            $rules = array_merge(self::$rules['*'], $rules);
+            $rules = array_merge(self::$rules['*'], (array) $rules);
         }
         // 路由规则检测
         if (!empty($rules)) {