diff --git a/doc/Shop.py b/doc/Shop.py
index 6f6a6789..9f863291 100644
--- a/doc/Shop.py
+++ b/doc/Shop.py
@@ -153,7 +153,7 @@ class Shop(object):
                 ],
                 'response': [
                     _common.RspHead(),
-                    ['pay_methods', [_common.PayMethod()], '支付方式列表'],
+                    ['!pay_methods', [_common.PayMethod()], '支付方式列表'],
                 ]
             },
         ]
diff --git a/webapp/mt/PayMethod.php b/webapp/mt/PayMethod.php
index f358732c..7a2180c5 100644
--- a/webapp/mt/PayMethod.php
+++ b/webapp/mt/PayMethod.php
@@ -1,22 +1,43 @@
 <?php
 
 namespace mt;
+
 use phpcommon;
 
-class PayMethod {
+class PayMethod
+{
 
-  public static function get($id)
+  public static function getPayMethods($token_type)
   {
-      return getXVal(self::getMetaList(), $id);
+    self::cachePayMethodsInTokenType();
+    $methods = getXVal(self::$cachePayMethodsInTokenTypeList, $token_type, null);
+    return $methods;
+    
+  }
+
+  protected static function cachePayMethodsInTokenType()
+  {
+    if (!self::$cachePayMethodsInTokenTypeList) {
+      self::$cachePayMethodsInTokenTypeList = array();
+      foreach (self::getMetaList() as $meta) {
+        if (!getXVal(self::$cachePayMethodsInTokenTypeList, $meta['shop_token_type'], null)) {
+          self::$cachePayMethodsInTokenTypeList[$meta['shop_token_type']] = array();
+        }
+        array_push(self::$cachePayMethodsInTokenTypeList[$meta['shop_token_type']], $meta);
+      }
+    }
+
+    return self::$cachePayMethodsInTokenTypeList;
   }
 
   protected static function getMetaList()
   {
-      if (!self::$metaList) {
-          self::$metaList = getMetaTable('payMethod@payMethod.php');
-      }
-      return self::$metaList;
+    if (!self::$metaList) {
+      self::$metaList = getMetaTable('payMethod@payMethod.php');
+    }
+    return self::$metaList;
   }
 
+  protected static $cachePayMethodsInTokenTypeList;
   protected static $metaList;
-}
\ No newline at end of file
+}