Update MyBatisConfig.java

mall-demo/src/main/java/com/macro/mall/demo/config/MyBatisConfig.java

@@ -4,7 +4,7 @@ import org.mybatis.spring.annotation.MapperScan;
 import org.springframework.context.annotation.Configuration;
 
 /**
- * MyBatis配置类
+ * MyBatis相关配置
  * Created by macro on 2019/4/8.
  */
 @Configuration