${tomcatinstallhome}/conf/server.xml
<Connector port="8090" maxHttpHeaderSize="8192" maxThreads="150" minSpareThreads="25" maxSpareThreads="75" enableLookups="false" redirectPort="8443" acceptCount="100" connectionTimeout="20000" disableUploadTimeout="true" URIEncoding="GBK"/>
修改URIEncoding="GBK",修改完毕后,重启tomcat