perf: 优化支付宝支付流程

novel-front/src/main/resources/mybatis/mapping/UserMapper.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+
+<mapper namespace="com.java2nb.novel.mapper.FrontUserMapper">
+
+
+    <update id="addUserBalance" >
+        update user set account_balance = account_balance + ${amount}
+        where id = #{userId}
+    </update>
+
+
+</mapper>