移动端访问异常

IE 浏览器访问没有问题，但是移动端的浏览器访问就异常。部署项目下面/skins/mobile 也在。后台 log 异常如下：

[ERROR]-[2018-09-24 21:23:07]-[org.b3log.latke.servlet.HttpControl:104]: Request [
    method=GET,
    URL=https://blog.junxworks.cn/,
    contentType=null,
    characterEncoding=UTF-8,
    local=[
        addr=172.18.38.102,
        port=443,
        name=junx],
    remote=[
        addr=119.86.130.228,
        port=8099,
        host=119.86.130.228],
    headers=[
        host=blog.junxworks.cn
        connection=keep-alive
        accept=text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
        user-agent=Mozilla/5.0 (Linux; U; Android 8.0.0; zh-cn; BND-AL10 Build/HONORBND-AL10) AppleWebKit/537.36 (KHTML, like Gecko) MQQBrowser/7.3 Chrome/37.0.0.0 Mobile Safari/537.36
        accept-encoding=gzip, deflate
        accept-language=zh-CN,en-US;q=0.8
        cookie=JSESSIONID=2D2704736B0217CE3A6B77B1F48EF14A
    ]
] processing failed 
java.lang.reflect.InvocationTargetException
	at sun.reflect.GeneratedMethodAccessor236.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.b3log.latke.servlet.handler.MethodInvokeHandler.handle(MethodInvokeHandler.java:58)
	at org.b3log.latke.servlet.HttpControl.nextHandler(HttpControl.java:99)
	at org.b3log.latke.servlet.handler.AdviceHandler.handle(AdviceHandler.java:108)
	at org.b3log.latke.servlet.HttpControl.nextHandler(HttpControl.java:99)
	at org.b3log.latke.servlet.handler.ArgsHandler.handle(ArgsHandler.java:60)
	at org.b3log.latke.servlet.HttpControl.nextHandler(HttpControl.java:99)
	at org.b3log.latke.servlet.handler.RequestDispatchHandler.handle(RequestDispatchHandler.java:93)
	at org.b3log.latke.servlet.HttpControl.nextHandler(HttpControl.java:99)
	at org.b3log.latke.servlet.handler.RequestPrepareHandler.handle(RequestPrepareHandler.java:45)
	at org.b3log.latke.servlet.HttpControl.nextHandler(HttpControl.java:99)
	at org.b3log.latke.servlet.handler.StaticResourceHandler.handle(StaticResourceHandler.java:119)
	at org.b3log.latke.servlet.HttpControl.nextHandler(HttpControl.java:99)
	at org.b3log.latke.servlet.DispatcherServlet.service(DispatcherServlet.java:84)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.b3log.solo.filter.InitCheckFilter.doFilter(InitCheckFilter.java:89)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.b3log.solo.filter.PermalinkFilter.doFilter(PermalinkFilter.java:93)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.b3log.latke.servlet.filter.EncodingFilter.doFilter(EncodingFilter.java:71)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:651)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:409)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:754)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1376)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
	at java.util.Properties$LineReader.readLine(Properties.java:434)
	at java.util.Properties.load0(Properties.java:353)
	at java.util.Properties.load(Properties.java:341)
	at org.b3log.solo.util.Skins.fillLangs(Skins.java:102)
	at org.b3log.solo.processor.IndexProcessor.showIndex(IndexProcessor.java:152)
	at org.b3log.solo.processor.IndexProcessor_$$_jvst60d_41._d8showIndex(IndexProcessor_$$_jvst60d_41.java)
	at sun.reflect.GeneratedMethodAccessor237.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.b3log.latke.ioc.bean.JavassistMethodHandler.invoke(JavassistMethodHandler.java:106)
	at org.b3log.solo.processor.IndexProcessor_$$_jvst60d_41.showIndex(IndexProcessor_$$_jvst60d_41.java)
	... 47 more
[ERROR]-[2018-09-24 21:23:07]-[org.b3log.latke.servlet.renderer.freemarker.AbstractFreeMarkerRenderer:116]: Not found template[index.ftl]