diff --git a/webapp/models/FirstTopup.php b/webapp/models/FirstTopup.php
new file mode 100644
index 00000000..0ef9245b
--- /dev/null
+++ b/webapp/models/FirstTopup.php
@@ -0,0 +1,51 @@
+<?php
+
+namespace models;
+
+use mt;
+use phpcommon\SqlHelper;
+
+class FirstTopup extends BaseModel {
+
+    public static function find()
+    {
+        $row = SqlHelper::ormSelectOne(
+            myself()->_getMysql(''),
+            't_first_topup',
+            array(
+                'order_id' => $orderId,
+            )
+        );
+        return $row;
+    }
+
+    public static function add($orderId, $platform, $goodsId, $price)
+    {
+        SqlHelper::insert(
+            myself()->_getMysql(''),
+            't_first_topup',
+            array(
+                'order_id' => $orderId,
+                'account_id' => myself()->_getAccountId(),
+                'platform' => $platform,
+                'goods_id' => $goodsId,
+                'price' => $price,
+                'createtime' => myself()->_getNowTime(),
+                'modifytime' => myself()->_getNowTime(),
+            )
+        );
+    }
+
+    public static function update($orderId, $fieldsKv)
+    {
+        SqlHelper::update(
+            myself()->_getMysql(''),
+            't_first_topup',
+            array(
+                'order_id' => $orderId
+            ),
+            $fieldsKv
+        );
+    }
+
+}