[Fix]修改错误

docs/setup_by_ubuntu.rst

@@ -378,10 +378,10 @@ Luna 已改为纯前端, 需要 Nginx 来运行访问
 .. code-block:: shell
 
     $ cd /config
-    $ wget http://mirror.bit.edu.cn/apache/tomcat/tomcat-8/v8.5.38/bin/apache-tomcat-8.5.38.tar.gz
-    $ tar xf apache-tomcat-8.5.38.tar.gz
-    $ rm -rf apache-tomcat-8.5.38.tar.gz
-    $ mv apache-tomcat-8.5.38 tomcat8
+    $ wget http://mirror.bit.edu.cn/apache/tomcat/tomcat-8/v8.5.39/bin/apache-tomcat-8.5.39.tar.gz
+    $ tar xf apache-tomcat-8.5.39.tar.gz
+    $ rm -rf apache-tomcat-8.5.39.tar.gz
+    $ mv apache-tomcat-8.5.39 tomcat8
     $ rm -rf /config/tomcat8/webapps/*
     $ ln -sf /opt/docker-guacamole/guacamole-0.9.14.war /config/tomcat8/webapps/ROOT.war  # guacamole client
     $ sed -i 's/Connector port="8080"/Connector port="8081"/g' /config/tomcat8/conf/server.xml  # 修改默认端口为 8081

docs/step_by_step.rst

@@ -393,10 +393,10 @@ Luna 已改为纯前端, 需要 Nginx 来运行访问
     $ ln -sf /opt/docker-guacamole/root/app/guacamole/guacamole.properties /config/guacamole/guacamole.properties  # guacamole 配置文件
 
     $ cd /config
-    $ wget http://mirror.bit.edu.cn/apache/tomcat/tomcat-8/v8.5.38/bin/apache-tomcat-8.5.38.tar.gz
-    $ tar xf apache-tomcat-8.5.38.tar.gz
-    $ rm -rf apache-tomcat-8.5.38.tar.gz
-    $ mv apache-tomcat-8.5.38 tomcat8
+    $ wget http://mirror.bit.edu.cn/apache/tomcat/tomcat-8/v8.5.39/bin/apache-tomcat-8.5.39.tar.gz
+    $ tar xf apache-tomcat-8.5.39.tar.gz
+    $ rm -rf apache-tomcat-8.5.39.tar.gz
+    $ mv apache-tomcat-8.5.39 tomcat8
     $ rm -rf /config/tomcat8/webapps/*
     $ ln -sf /opt/docker-guacamole/guacamole-0.9.14.war /config/tomcat8/webapps/ROOT.war  # guacamole client
     $ sed -i 's/Connector port="8080"/Connector port="8081"/g' /config/tomcat8/conf/server.xml  # 修改默认端口为 8081

docs/upgrade.rst

@@ -1105,7 +1105,7 @@
 
     # 到 Web 会话管理 - 终端管理 查看组件是否已经在线
 
-1.4.9 升级到最新版本
+1.4.8 升级到最新版本
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 **Jumpserver**