fix bug

sql/update/20180423.sql

@@ -1,7 +1,7 @@
 -- 订单表字段改名
 ALTER TABLE `order`
 	CHANGE COLUMN `totalOriginalPrice` `origin_amount` INT(11) NOT NULL DEFAULT '0' COMMENT '订单原始总价，单位分' AFTER `coupon_id`,
-	CHANGE COLUMN `totalPrice` `amount` INT(11) NOT NULL DEFAULT '0' COMMENT '订单总价，单位分' AFTER `orgin_amount`;
+	CHANGE COLUMN `totalPrice` `amount` INT(11) NOT NULL DEFAULT '0' COMMENT '订单总价，单位分' AFTER `origin_amount`;