diff --git a/helper.php b/helper.php
index 61cb5c98..b2fb7828 100644
--- a/helper.php
+++ b/helper.php
@@ -294,7 +294,7 @@ function trace($log = '[think]', $level = 'log')
  * @param array $vars 模板变量
  * @return string
  */
-function V($template, $vars)
+function V($template = '', $vars = [])
 {
     return \think\View::instance(\think\Config::get())->fetch($template, $vars);
 }
diff --git a/library/think/Route.php b/library/think/Route.php
index 693a9fc0..269c0a89 100644
--- a/library/think/Route.php
+++ b/library/think/Route.php
@@ -499,7 +499,7 @@ class Route
             if (false !== $match = self::match($url, $rule, $pattern)) {
                 // 匹配到路由规则
                 // 检测是否定义路由
-                if ($option['after_behavior']) {
+                if (!empty($option['after_behavior'])) {
                     Hook::exec($option['after_behavior'], $route);
                 }
                 if ($route instanceof \Closure) {
diff --git a/library/think/Template.php b/library/think/Template.php
index e967429d..3f07e510 100644
--- a/library/think/Template.php
+++ b/library/think/Template.php
@@ -56,7 +56,7 @@ class Template
      */
     public function __construct(array $config = [])
     {
-        $this->config['cache_path']   = RUNTIME_PATH . 'template' . DS;
+        $this->config['cache_path']   = RUNTIME_PATH . 'temp' . DS;
         $this->config                 = array_merge($this->config, empty($config) ? (array) Config::get('template') : $config);
         $this->config['taglib_begin'] = $this->stripPreg($this->config['taglib_begin']);
         $this->config['taglib_end']   = $this->stripPreg($this->config['taglib_end']);