为order 添加转义符号“ ` ” `order`


 在context最上面加上这三个元素:

<property name="autoDelimitKeywords" value="true"></property>
<property name="beginningDelimiter" value="`"></property>
<property name="endingDelimiter" value="`"></property>


然后在table元素的属性上加:

delimitIdentifiers="true"