修改奖励类型，游戏列表接口，

utility/ecode/common.go

@@ -9,6 +9,7 @@ var (
 	Logout           = New(5, "用户未登录")
 	Disabled         = New(6, "账户已被禁用")
 	Denied           = New(7, "没有权限执行该操作")
+	Expire           = New(8, "token已过期")
 	Auth             = New(1000, "账户名或密码不正确")
 	Password         = New(1001, "密码不正确")
 	EmailExist       = New(1002, "该邮箱已被注册")