IntelliJ IDEA问题求帮忙解决

小白建立了web项目连接了tomcat实现如下代码

按理说弹出的网页显示的应该是1，然后刷新变成2；但实际上显示的却是这样已排除是jdk和tomcat版本兼容问题。
如下是output
F:\apache-tomcat-10.0.0-M1\bin\catalina.bat run
[2020-03-07 11:26:28,598] Artifact untitled3:war exploded: Waiting for server connection to start artifact deployment…
Using CATALINA_BASE: “C:\Users\silver.IntelliJIdea2019.3\system\tomcat\Unnamed_untitled3”
Using CATALINA_HOME: “F:\apache-tomcat-10.0.0-M1”
Using CATALINA_TMPDIR: “F:\apache-tomcat-10.0.0-M1\temp”
Using JRE_HOME: “F:\jdk”
Using CLASSPATH: “F:\apache-tomcat-10.0.0-M1\bin\bootstrap.jar;F:\apache-tomcat-10.0.0-M1\bin\tomcat-juli.jar”
NOTE: Picked up JDK_JAVA_OPTIONS: --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED --add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED
07-Mar-2020 23:26:29.435 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Server.服务器版本: Apache Tomcat/10.0.0-M1
07-Mar-2020 23:26:29.438 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 服务器构建: Feb 14 2020 12:11:19 UTC
07-Mar-2020 23:26:29.438 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 服务器版本号(：10.0.0.0
07-Mar-2020 23:26:29.438 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log OS Name: Windows 10
07-Mar-2020 23:26:29.439 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log OS.版本: 10.0
07-Mar-2020 23:26:29.439 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 架构: amd64
07-Mar-2020 23:26:29.439 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Java 环境变量: F:\jdk
07-Mar-2020 23:26:29.439 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log JVM 版本: 13.0.2+8
07-Mar-2020 23:26:29.439 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log JVM.供应商: Oracle Corporation
07-Mar-2020 23:26:29.440 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE: C:\Users\silver.IntelliJIdea2019.3\system\tomcat\Unnamed_untitled3
07-Mar-2020 23:26:29.440 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME: F:\apache-tomcat-10.0.0-M1
07-Mar-2020 23:26:29.442 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: --add-opens=java.base/java.lang=ALL-UNNAMED
07-Mar-2020 23:26:29.442 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: --add-opens=java.base/java.io=ALL-UNNAMED
07-Mar-2020 23:26:29.442 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: --add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED
07-Mar-2020 23:26:29.442 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.config.file=C:\Users\silver.IntelliJIdea2019.3\system\tomcat\Unnamed_untitled3\conf\logging.properties
07-Mar-2020 23:26:29.442 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
07-Mar-2020 23:26:29.443 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote=
07-Mar-2020 23:26:29.443 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.port=1099
07-Mar-2020 23:26:29.443 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.ssl=false
07-Mar-2020 23:26:29.443 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.password.file=C:\Users\silver.IntelliJIdea2019.3\system\tomcat\Unnamed_untitled3\jmxremote.password
07-Mar-2020 23:26:29.443 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.access.file=C:\Users\silver.IntelliJIdea2019.3\system\tomcat\Unnamed_untitled3\jmxremote.access
07-Mar-2020 23:26:29.443 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.rmi.server.hostname=127.0.0.1
07-Mar-2020 23:26:29.443 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djdk.tls.ephemeralDHKeySize=2048
07-Mar-2020 23:26:29.443 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.protocol.handler.pkgs=org.apache.catalina.webresources
07-Mar-2020 23:26:29.444 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dignore.endorsed.dirs=
07-Mar-2020 23:26:29.444 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.base=C:\Users\silver.IntelliJIdea2019.3\system\tomcat\Unnamed_untitled3
07-Mar-2020 23:26:29.444 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.home=F:\apache-tomcat-10.0.0-M1
07-Mar-2020 23:26:29.444 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.io.tmpdir=F:\apache-tomcat-10.0.0-M1\temp
07-Mar-2020 23:26:29.444 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent Loaded APR based Apache Tomcat Native library [1.2.23] using APR version [1.7.0].
07-Mar-2020 23:26:29.444 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].
07-Mar-2020 23:26:29.444 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR/OpenSSL配置：useAprConnector[false]，useOpenSSL[true]
07-Mar-2020 23:26:29.451 信息 [main] org.apache.catalina.core.AprLifecycleListener.initializeSSL OpenSSL successfully initialized [OpenSSL 1.1.1c 28 May 2019]
07-Mar-2020 23:26:29.645 信息 [main] org.apache.coyote.AbstractProtocol.init 初始化协议处理器 [“http-nio-8080”]
07-Mar-2020 23:26:29.683 信息 [main] org.apache.catalina.startup.Catalina.load 服务器在[432]毫秒内初始化
07-Mar-2020 23:26:29.724 信息 [main] org.apache.catalina.core.StandardService.startInternal Starting service [Catalina]
07-Mar-2020 23:26:29.724 信息 [main] org.apache.catalina.core.StandardEngine.startInternal 正在启动 Servlet 引擎：[Apache Tomcat/10.0.0-M1]
07-Mar-2020 23:26:29.736 信息 [main] org.apache.coyote.AbstractProtocol.start 开始协议处理句柄[“http-nio-8080”]
07-Mar-2020 23:26:29.931 信息 [main] org.apache.catalina.startup.Catalina.start Server startup in [246] milliseconds
Connected to server
[2020-03-07 11:26:30,201] Artifact untitled3:war exploded: Artifact is being deployed, please wait…
07-Mar-2020 23:26:30.681 警告 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.util.SessionIdGeneratorBase.createSecureRandom Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [198] milliseconds.
[2020-03-07 11:26:30,703] Artifact untitled3:war exploded: Artifact is deployed successfully
[2020-03-07 11:26:30,703] Artifact untitled3:war exploded: Deploy took 502 milliseconds
07-Mar-2020 23:26:39.740 信息 [Catalina-utility-2] org.apache.catalina.startup.HostConfig.deployDirectory 把web 应用程序部署到目录 [F:\apache-tomcat-10.0.0-M1\webapps\manager]
07-Mar-2020 23:26:39.785 信息 [Catalina-utility-2] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [F:\apache-tomcat-10.0.0-M1\webapps\manager] has finished in [45] ms
求帮忙解决