diff --git a/core/includes/common.inc b/core/includes/common.inc
index 42f8deb..5761533 100644
--- a/core/includes/common.inc
+++ b/core/includes/common.inc
@@ -178,6 +178,10 @@ function request_uri() {
   // Prevent multiple slashes to avoid cross site requests via the Form API.
   $uri = '/' . ltrim($uri, '/');
 
+  if(strpos($uri,'?')){
+    $uri = substr($uri, 0, strpos($uri,'?'));
+  }
+
   return $uri;
 }
 
@@ -222,17 +226,13 @@ if (!function_exists('themePager')) {
             $return .= sprintf($li, $pageurl, $pager['page']+1, '下一页');
         }
         if (!$nojump) {
-          $return .= "<li><a href='javascript:showjumpdiv(\"{$unique}\");'>跳转</a></li>"
-            . "<form method='post' action='{$pageurl}'>"
+          $return .= "<li> <span>跳转</span></li>"
+            . "<form method='get' action='{$pageurl}'>"
             . "<div id='div{$unique}' class='jumpdiv'> <input id='input{$unique}' type='text' name='page' /> 页 "
             . "<button type='submit' class='btn btn-info btn-xs'>确定</button></div>"
             . "</form>";
         }
         $return .= '</ul>';
-        if (!$hasjs) {
-            $return .= '<script>function showjumpdiv(unique) { $("#div"+unique).toggle();$("#input"+unique).focus();}</script>';
-            $hasjs = true;
-        }
         return $return;
     }
 }
diff --git a/core/lib/Hunter/CSRF/CSRF.php b/core/lib/Hunter/CSRF/CSRF.php
new file mode 100644
index 0000000..1989e39
--- /dev/null
+++ b/core/lib/Hunter/CSRF/CSRF.php
@@ -0,0 +1,139 @@
+<?php
+
+/**
+ * @file
+ *
+ * CSRF
+ */
+
+namespace Hunter\Core\CSRF;
+
+class CSRF {
+
+	/**
+	 * The default token name
+	 */
+	const TOKEN_NAME = "_csrf_token_645a83a41868941e4692aa31e7235f2";
+
+	/**
+	 * (Re-)Generate a token and write it to session
+	 *
+	 * @param string $token_name - defaults to the default token name
+	 * @return void
+	 */
+	public static function generateToken($token_name = self::TOKEN_NAME)
+	{
+		// generate as random of a token as possible
+		$salt   = !empty($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : uniqid();
+		session()->set($token_name, sha1(uniqid(sha1($salt), true)));
+	}
+
+	/**
+	 * Get the token.  If it's not defined, this will go ahead and generate one.
+	 *
+	 * @param string $token_name - defaults to the default token name
+	 * @return string
+	 */
+	public static function getToken($token_name = self::TOKEN_NAME)
+	{
+		if (empty(session()->get($token_name))) {
+			static::generateToken($token_name);
+		}
+
+		return session()->get($token_name);
+	}
+
+	/**
+	 * Get the token name.  This is just a CRUD method to make your code cleaner.
+	 *
+	 * @param string $token_name
+	 * @return string
+	 */
+	public static function getTokenName($token_name = self::TOKEN_NAME)
+	{
+		return $token_name;
+	}
+
+	/**
+	 * Validate the token.  If there's not one yet, it will set one and return false.
+	 *
+	 * @param string $token_name - defaults to the default token name
+	 * @return bool
+	 */
+	public static function validate($token, $token_name = self::TOKEN_NAME)
+	{
+		if (empty(session()->get($token_name))) {
+			static::generateToken($token_name);
+			return false;
+		} elseif (empty($token)) {
+			return false;
+		} else {
+			return static::compare($token, static::getToken($token_name));
+		}
+	}
+
+	/**
+	 * Get a hidden input string with the token/token name in it.
+	 *
+	 * @param string $token_name - defaults to the default token name
+	 * @return string
+	 */
+	public static function getHiddenInputString($token_name = self::TOKEN_NAME)
+	{
+		return sprintf('<input type="hidden" name="%s" value="%s"/>', $token_name, static::getToken($token_name));
+	}
+
+	/**
+	 * Get a query string mark-up with the token/token name in it.
+	 *
+	 * @param string $token_name - defaults to the default token name
+	 * @return string
+	 */
+	public static function getQueryString($token_name = self::TOKEN_NAME)
+	{
+		return sprintf('%s=%s', $token_name, static::getToken($token_name));
+	}
+
+	/**
+	 * Get an array with the token (useful for form libraries, etc.)
+	 *
+	 * @param string $token_name
+	 * @return array
+	 */
+	public static function getTokenAsArray($token_name = self::TOKEN_NAME)
+	{
+		return array(
+			$token_name => self::getToken($token_name)
+		);
+	}
+
+	/**
+	 * Constant-time string comparison.  This comparison function is timing-attack safe
+	 *
+	 * @param string $hasha
+	 * @param string $hashb
+	 * @return bool
+	 */
+	public static function compare($hasha = "", $hashb = "")
+	{
+		// we want hashes_are_not_equal to be false by the end of this if the strings are identical
+
+		// if the strings are NOT equal length this will return true, else false
+		$hashes_are_not_equal = strlen($hasha) ^ strlen($hashb);
+
+		// compare the shortest of the two strings (the above line will still kick back a failure if the lengths weren't equal.  this just keeps us from over-flowing our strings when comparing
+		$length = min(strlen($hasha), strlen($hashb));
+		$hasha = substr($hasha, 0, $length);
+		$hashb = substr($hashb, 0, $length);
+
+		// iterate through the hashes comparing them character by character
+		// if a character does not match, then return true, so the hashes are not equal
+		for ($i = 0; $i < strlen($hasha); $i++) {
+			$hashes_are_not_equal += !(ord($hasha[$i]) === ord($hashb[$i]));
+		}
+
+		// if not hashes are not equal, then hashes are equal
+		return !$hashes_are_not_equal;
+	}
+
+}