spring mvc出现乱码的问题

<mvc:annotation-driven>
    <mvc:message-converters>
    <bean class="org.springframework.Http.converter.StringHttpMessageConverter">
    <property name="supportedMediaTypes">
        <list>
            <value>text/plain;charset=UTF-8</value>
            <value>text/html;charset=UTF-8</value>
            <value>application/javascript;cahrset=UTF-8</value>
        </list>
    </property>
    <bean>
</mvc:message-converters>
</mvc:annotation-driven>