diff --git a/app/Middlewares/CheckPostMiddleware.php b/app/Middlewares/CheckPostMiddleware.php
index 4c0d9c48..bc16530d 100644
--- a/app/Middlewares/CheckPostMiddleware.php
+++ b/app/Middlewares/CheckPostMiddleware.php
@@ -5,6 +5,7 @@ namespace App\Middlewares;
 use \Pecee\Http\Middleware\IMiddleware;
 use \Pecee\Http\Request;
 use App\Exceptions\E;
+use Validate;
 use View;
 
 class CheckPostMiddleware implements IMiddleware
@@ -12,7 +13,7 @@ class CheckPostMiddleware implements IMiddleware
     public function handle(Request $request)
     {
         if (isset($_POST['email']) && $_POST['email'] != "") {
-            if (!filter_var($_POST['email'], FILTER_VALIDATE_EMAIL)) {
+            if (!Validate::checkValidEmail($_POST['email'])) {
                 View::json('邮箱格式错误', 3);
             }
 
diff --git a/app/Services/Validate.php b/app/Services/Validate.php
index a1210dff..09d57371 100644
--- a/app/Services/Validate.php
+++ b/app/Services/Validate.php
@@ -6,13 +6,20 @@ use App\Exceptions\E;
 
 class Validate
 {
-    public static function checkValidPlayerName($player_name) {
+    public static function checkValidEmail($email)
+    {
+        return filter_var($email, FILTER_VALIDATE_EMAIL);
+    }
+
+    public static function checkValidPlayerName($player_name)
+    {
         $regx = (Option::get('allow_chinese_playername') == "1") ?
                 "/^([A-Za-z0-9\x{4e00}-\x{9fa5}_]+)$/u" : "/^([A-Za-z0-9_]+)$/";
         return preg_match($regx, $player_name);
     }
 
-    public static function checkValidTextureName($texture_name) {
+    public static function checkValidTextureName($texture_name)
+    {
         if (strlen($texture_name) > 32 || strlen($texture_name) < 1) {
             throw new E('无效的材质名称。材质名长度应该小于 32。', 2);
         } else if (Utils::convertString($texture_name) != $texture_name) {
@@ -21,7 +28,8 @@ class Validate
         return true;
     }
 
-    public static function checkValidPwd($passwd) {
+    public static function checkValidPwd($passwd)
+    {
         if (strlen($passwd) > 16 || strlen($passwd) < 8) {
             throw new E('无效的密码。密码长度应该大于 8 并小于 16。', 2);
         } else if (Utils::convertString($passwd) != $passwd) {