diff --git a/var/Typecho/Common.php b/var/Typecho/Common.php
index 3f2da629..3642f327 100644
--- a/var/Typecho/Common.php
+++ b/var/Typecho/Common.php
@@ -967,9 +967,9 @@ EOF;
     {
         if ('$T$' == substr($to, 0, 3)) {
             $salt = substr($to, 3, 9);
-            return self::hash($from, $salt) == $to;
+            return self::hash($from, $salt) === $to;
         } else {
-            return md5($from) == $to;
+            return md5($from) === $to;
         }
     }
 
diff --git a/var/Widget/Abstract/Contents.php b/var/Widget/Abstract/Contents.php
index 5c4bc757..27da5841 100644
--- a/var/Widget/Abstract/Contents.php
+++ b/var/Widget/Abstract/Contents.php
@@ -717,7 +717,7 @@ class Widget_Abstract_Contents extends Widget_Abstract
         
         /** 处理密码保护流程 */
         if (!empty($value['password']) &&
-        $value['password'] != Typecho_Cookie::get('protectPassword') &&
+        $value['password'] !== Typecho_Cookie::get('protectPassword') &&
         $value['authorId'] != $this->user->uid && 
         !$this->user->pass('editor', true)) {
             $value['hidden'] = true;