Activiti部署模型乱码

activiti配置文件：

<bean id="processEngineConfiguration" class="org.activiti.spring.SpringProcessEngineConfiguration">
<property name="dataSource" ref="dataSource" />
<property name="transactionManager" ref="transactionManager" />
<!-- 没有表创建表 -->
<property name="databaseSchemaUpdate" value="true" />
<!-- 是否激活Activiti的任务调度 -->
<property name="jobExecutorActivate" value="false" />
<!-- 生成流程图的字体 -->
        <property name="activityFontName" value="\u5B8B\u4F53"/>
        <property name="labelFontName" value="\u5B8B\u4F53"/>

</bean>

代码：

Deployment deployment = repositoryService.createDeployment().name(modelData.getName()).addString(processName, new String(bpmnBytes, "UTF-8")).deploy();

数据库：