diff --git a/src/think/Event.php b/src/think/Event.php
index c972e9b8ba..3c70aadf25 100644
--- a/src/think/Event.php
+++ b/src/think/Event.php
@@ -218,7 +218,7 @@ public function trigger($event, $params = null, bool $once = false)
         $listeners = $this->listener[$event] ?? [];
 
         if (strpos($event, '.')) {
-            [$prefix, $event] = explode($event, '.', 2);
+            [$prefix, $event] = explode('.', $event, 2);
             if (isset($this->listener[$prefix . '.*'])) {
                 $listeners = array_merge($listeners, $this->listener[$prefix . '.*']);
             }
diff --git a/src/think/Request.php b/src/think/Request.php
index a21976df11..f6c8f27d35 100644
--- a/src/think/Request.php
+++ b/src/think/Request.php
@@ -408,7 +408,8 @@ public function subDomain(): string
             $rootDomain = $this->rootDomain();
 
             if ($rootDomain) {
-                $this->subDomain = rtrim(stristr($this->host(), $rootDomain, true), '.');
+                $sub             = stristr($this->host(), $rootDomain, true);
+                $this->subDomain = $sub ? rtrim($sub, '.') : '';
             } else {
                 $this->subDomain = '';
             }
@@ -1307,12 +1308,12 @@ protected function filterData($data, $filter, $name, $default)
 
     /**
      * 强制类型转换
-     * @access public
+     * @access protected
      * @param  mixed  $data
      * @param  string $type
      * @return mixed
      */
-    private function typeCast(&$data, string $type)
+    protected function typeCast(&$data, string $type)
     {
         switch (strtolower($type)) {
             // 数组
@@ -1344,7 +1345,7 @@ private function typeCast(&$data, string $type)
 
     /**
      * 获取数据
-     * @access public
+     * @access protected
      * @param  array  $data 数据源
      * @param  string $name 字段名
      * @param  mixed  $default 默认值
diff --git a/src/think/console/command/RunServer.php b/src/think/console/command/RunServer.php
index 20a2466278..d507c1d8c0 100644
--- a/src/think/console/command/RunServer.php
+++ b/src/think/console/command/RunServer.php
@@ -63,7 +63,7 @@ public function execute(Input $input, Output $output)
             escapeshellarg($root . DIRECTORY_SEPARATOR . 'router.php')
         );
 
-        $output->writeln(sprintf('ThinkPHP Development server is started On <http://%s:%s/>', '0.0.0.0' == $host ? '127.0.0.1' : $host, $port));
+        $output->writeln(sprintf('ThinkPHP Development server is started On <http://%s:%s/>', $host, $port));
         $output->writeln(sprintf('You can exit with <info>`CTRL-C`</info>'));
         $output->writeln(sprintf('Document root is: %s', $root));
         passthru($command);
diff --git a/src/think/facade/Route.php b/src/think/facade/Route.php
index 46bd7469cc..5a5b955db4 100644
--- a/src/think/facade/Route.php
+++ b/src/think/facade/Route.php
@@ -62,7 +62,7 @@
  * @method static RuleItem redirect(string $rule, string $route = '', int $status = 301) 注册重定向路由
  * @method static \think\Route rest(string|array $name, array|bool $resource = []) rest方法定义和修改
  * @method static array|null getRest(string $name = null) 获取rest方法定义的参数
- * @method static RuleItem miss(string|Closure $route, string $method = '*') 注册未匹配路由规则后的处理
+ * @method static RuleItem miss(string|\Closure $route, string $method = '*') 注册未匹配路由规则后的处理
  * @method static Response dispatch(\think\Request $request, Closure|bool $withRoute = true) 路由调度
  * @method static Dispatch|false check() 检测URL路由
  * @method static Dispatch url(string $url) 默认URL解析