diff --git a/.idea/encodings.xml b/.idea/encodings.xml
new file mode 100644
index 0000000..c2bae49
--- /dev/null
+++ b/.idea/encodings.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" defaultCharsetForPropertiesFiles="UTF-8">
+    <file url="PROJECT" charset="UTF-8" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/src/main/java/cn/reddragon/eportal/EPortal.java b/src/main/java/cn/reddragon/eportal/EPortal.java
index 8c00610..461f189 100644
--- a/src/main/java/cn/reddragon/eportal/EPortal.java
+++ b/src/main/java/cn/reddragon/eportal/EPortal.java
@@ -2,6 +2,7 @@
 
 import cn.reddragon.eportal.account.AccountManager;
 import cn.reddragon.eportal.config.ConfigManager;
+import cn.reddragon.eportal.config.configs.AutoReconnectConfig;
 import cn.reddragon.eportal.controllers.MainController;
 import cn.reddragon.eportal.utils.Authenticator;
 import cn.reddragon.eportal.utils.LoginType;
@@ -13,17 +14,22 @@
 import javafx.scene.control.ChoiceBox;
 import javafx.scene.control.TextField;
 import javafx.stage.Stage;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 
 import java.io.IOException;
 import java.util.Objects;
 
 public class EPortal extends Application {
     public static MainController controller;
+    public static Logger logger = LogManager.getLogger("EPortal");
     public static final Thread askThread = new Thread(() -> {
         while (true) {
             try {
                 //System.out.println("Heartbeat.");
                 Authenticator.updateStatus();
+                if (!Authenticator.online && AutoReconnectConfig.getAutoReconnect() && !Authenticator.error)
+                    controller.onLoginButtonClick();
                 Platform.runLater(controller::updateUI);
                 if (Authenticator.error)
                     Thread.sleep(1000L);
@@ -31,35 +37,14 @@ public class EPortal extends Application {
                     Thread.sleep(5000L);
             } catch (Exception e) {
                 //throw new RuntimeException(e);
-                e.printStackTrace();
+                logger.error("监听线程出错!", e);
             }
         }
     });
 
-    public static void main(String[] args) {
-        askThread.setDaemon(true);
-        Authenticator.checkOnline();
-        try {
-            if (Authenticator.online) {
-                System.out.println("Already connected!");
-                Authenticator.updateUserIndex();
-                //System.exit(0);
-            } else {
-                System.out.println("Ready");
-            }
-            //System.out.println(result);
-        } catch (NullPointerException e) {
-            e.printStackTrace();
-            System.exit(0);
-        }
-        launch();
-        ConfigManager.saveConfigs();
-    }
-
     @SuppressWarnings("unchecked")
     @Override
     public void start(Stage stage) throws IOException {
-        Thread.currentThread().setName("EPortal Main");
         FXMLLoader fxmlLoader = new FXMLLoader(EPortal.class.getResource("hello-view.fxml"));
         Parent root = fxmlLoader.load();
         controller = fxmlLoader.getController();
@@ -79,19 +64,11 @@ public void start(Stage stage) throws IOException {
         ConfigManager.loadConfigs();
         TextField name = (TextField) root.lookup("#userNameField");
         TextField pass = (TextField) root.lookup("#passwordField");
-        //name.setText(config[0]);
-        //pass.setText(config[1]);
         if (!AccountManager.accounts.isEmpty()) {
             name.setText(AccountManager.accounts.get(0).getName());
             pass.setText(AccountManager.accounts.get(0).getPassword());
         }
-        //box.setValue(box.getItems().get(Byte.parseByte(config[2])));
-        //updateUI();
         askThread.start();
-        Authenticator.checkOnline();
-        if (!Authenticator.online) {
-            controller.onLoginButtonClick();
-        }
         stage.show();
     }
 }
\ No newline at end of file
diff --git a/src/main/java/cn/reddragon/eportal/Main.java b/src/main/java/cn/reddragon/eportal/Main.java
index 52abcde..faa731e 100644
--- a/src/main/java/cn/reddragon/eportal/Main.java
+++ b/src/main/java/cn/reddragon/eportal/Main.java
@@ -1,7 +1,22 @@
 package cn.reddragon.eportal;
 
+import cn.reddragon.eportal.config.ConfigManager;
+import cn.reddragon.eportal.utils.Authenticator;
+
 public class Main {
     public static void main(String[] args) {
-        EPortal.main(args);
+        Thread.currentThread().setName("EPortal Main");
+        EPortal.askThread.setDaemon(true);
+        Authenticator.checkOnline();
+        try {
+            if (Authenticator.online) {
+                Authenticator.updateUserIndex();
+            }
+        } catch (NullPointerException e) {
+            EPortal.logger.error("启动时出错!", e);
+            System.exit(0);
+        }
+        EPortal.launch();
+        ConfigManager.saveConfigs();
     }
 }
diff --git a/src/main/java/cn/reddragon/eportal/config/ConfigManager.java b/src/main/java/cn/reddragon/eportal/config/ConfigManager.java
index f38fbb6..810ddb1 100644
--- a/src/main/java/cn/reddragon/eportal/config/ConfigManager.java
+++ b/src/main/java/cn/reddragon/eportal/config/ConfigManager.java
@@ -1,6 +1,7 @@
 package cn.reddragon.eportal.config;
 
 import cn.reddragon.eportal.config.configs.AccountConfig;
+import cn.reddragon.eportal.config.configs.AutoReconnectConfig;
 import cn.reddragon.eportal.config.configs.NetTypeConfig;
 import com.google.gson.*;
 import org.apache.logging.log4j.LogManager;
@@ -15,6 +16,7 @@ public class ConfigManager {
     private static final File configFile = new File("EPortal.json");
     private static final ArrayList<AbstractConfig> configs = new ArrayList<>();
     private static final Logger logger = LogManager.getLogger("ConfigManager");
+    private static final int configVersion = 1;
 
     static {
         if (!configFile.exists()) {
@@ -28,6 +30,7 @@ public class ConfigManager {
         }
         configs.add(new AccountConfig());
         configs.add(new NetTypeConfig());
+        configs.add(new AutoReconnectConfig());
     }
 
     public static void loadConfigs() {
@@ -36,14 +39,19 @@ public static void loadConfigs() {
             if (!element.isJsonNull()) {
                 JsonObject object = element.getAsJsonObject();
                 for (Entry<String, JsonElement> next : object.entrySet()) {
+                    if (next.getKey().equals("ConfigVersion")) {
+                        // TODO
+                    }
                     for (AbstractConfig config : configs) {
                         if (config.name.equals(next.getKey())) {
                             config.fromJson(next.getValue());
-                            logger.info("成功加载配置文件 {}", config.name);
+                            logger.info("成功加载配置文件 {}.", config.name);
                             break;
                         }
                     }
                 }
+            } else {
+                logger.warn("配置文件损坏!");
             }
         } catch (FileNotFoundException e) {
             throw new RuntimeException(e);
@@ -52,9 +60,10 @@ public static void loadConfigs() {
 
     public static void saveConfigs() {
         JsonObject root = new JsonObject();
+        root.addProperty("ConfigVersion", configVersion);
         for (AbstractConfig config : configs) {
             root.add(config.name, config.toJson());
-            logger.info("成功保存配置文件 {}", config.name);
+            logger.info("成功保存配置文件 {}.", config.name);
         }
         try {
             BufferedWriter writer = new BufferedWriter(new FileWriter(configFile));
diff --git a/src/main/java/cn/reddragon/eportal/config/configs/AutoReconnectConfig.java b/src/main/java/cn/reddragon/eportal/config/configs/AutoReconnectConfig.java
new file mode 100644
index 0000000..2d54002
--- /dev/null
+++ b/src/main/java/cn/reddragon/eportal/config/configs/AutoReconnectConfig.java
@@ -0,0 +1,27 @@
+package cn.reddragon.eportal.config.configs;
+
+import cn.reddragon.eportal.EPortal;
+import cn.reddragon.eportal.config.AbstractConfig;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonPrimitive;
+import javafx.scene.control.CheckMenuItem;
+
+public class AutoReconnectConfig extends AbstractConfig {
+    public AutoReconnectConfig() {
+        super("AutoReconnect");
+    }
+
+    public static boolean getAutoReconnect() {
+        return ((CheckMenuItem) EPortal.controller.menuBar.getMenus().get(0).getItems().get(0)).isSelected();
+    }
+
+    @Override
+    public JsonElement toJson() {
+        return new JsonPrimitive(getAutoReconnect());
+    }
+
+    @Override
+    public void fromJson(JsonElement element) {
+        ((CheckMenuItem) EPortal.controller.menuBar.getMenus().get(0).getItems().get(0)).setSelected(element.getAsBoolean());
+    }
+}
diff --git a/src/main/java/cn/reddragon/eportal/config/configs/NetTypeConfig.java b/src/main/java/cn/reddragon/eportal/config/configs/NetTypeConfig.java
index b5533b6..a26ca97 100644
--- a/src/main/java/cn/reddragon/eportal/config/configs/NetTypeConfig.java
+++ b/src/main/java/cn/reddragon/eportal/config/configs/NetTypeConfig.java
@@ -20,6 +20,9 @@ public JsonElement toJson() {
 
     @Override
     public void fromJson(JsonElement element) {
-        selector.setValue(selector.getItems().get(element.getAsInt()));
+        if (element.getAsInt() != -1)
+            selector.setValue(selector.getItems().get(element.getAsInt()));
+        else
+            selector.setValue("");
     }
 }
diff --git a/src/main/java/cn/reddragon/eportal/controllers/MainController.java b/src/main/java/cn/reddragon/eportal/controllers/MainController.java
index 799cfd5..fcd8033 100644
--- a/src/main/java/cn/reddragon/eportal/controllers/MainController.java
+++ b/src/main/java/cn/reddragon/eportal/controllers/MainController.java
@@ -1,15 +1,13 @@
 package cn.reddragon.eportal.controllers;
 
+import cn.reddragon.eportal.EPortal;
 import cn.reddragon.eportal.account.AccountManager;
 import cn.reddragon.eportal.utils.*;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
 import javafx.application.Platform;
 import javafx.fxml.FXML;
-import javafx.scene.control.Button;
-import javafx.scene.control.ChoiceBox;
-import javafx.scene.control.Label;
-import javafx.scene.control.TextField;
+import javafx.scene.control.*;
 
 import java.io.IOException;
 import java.io.InputStreamReader;
@@ -36,6 +34,8 @@ public class MainController {
     private TextField userNameField;
     @FXML
     private TextField passwordField;
+    @FXML
+    public MenuBar menuBar;
 
     public void updateUI() {
         StringBuilder sb = new StringBuilder();
@@ -90,6 +90,7 @@ public void onLoginButtonClick() {
                 new Thread(() -> {
                     HttpURLConnection connection = null;
                     try {
+                        EPortal.logger.info("尝试发出登出命令.");
                         connection = Authenticator.logout();
                         if (connection == null) {
                             Platform.runLater(() -> {
@@ -99,12 +100,13 @@ public void onLoginButtonClick() {
                             return;
                         }
                         JsonObject resultMessage = JsonParser.parseString(IOUtils.readText(connection.getInputStream())).getAsJsonObject();
-                        System.out.println(resultMessage.toString());
+                        //System.out.println(resultMessage.toString());
+                        EPortal.logger.info("服务器返回的是: {}", resultMessage);
                         Platform.runLater(() -> resultText.setText(resultMessage.get("result").getAsString() + ":" + resultMessage.get("message").getAsString()));
                         Authenticator.updateStatus();
                         Platform.runLater(this::updateUI);
                     } catch (Exception e) {
-                        e.printStackTrace();
+                        EPortal.logger.error("登出线程出错!", e);
                         Platform.runLater(() -> resultText.setText(e.getMessage()));
                     } finally {
                         if (connection != null) {
@@ -134,6 +136,7 @@ public void onLoginButtonClick() {
         String serviceString = Arrays.stream(LoginType.values()).filter(it -> Objects.equals(it.displayName, mode)).findFirst().map(it -> URIEncoder.encodeURI(URIEncoder.encodeURI(it.authName))).orElse("");
         new Thread(() -> {
             try {
+                EPortal.logger.info("尝试发出登录命令.");
                 //获取queryString
                 HttpURLConnection connection = HttpUtils.make("http://123.123.123.123", "GET");
                 connection.setInstanceFollowRedirects(false);
@@ -164,7 +167,8 @@ public void onLoginButtonClick() {
                 }
                 //获取结果
                 JsonObject resultMessage = JsonParser.parseString(IOUtils.readText(loginConnection.getInputStream())).getAsJsonObject();
-                System.out.println(resultMessage.toString());
+                //System.out.println(resultMessage.toString());
+                EPortal.logger.info("服务器返回的是: {}", resultMessage);
                 String result = resultMessage.get("result").getAsString();
                 Platform.runLater(() -> resultText.setText(resultMessage.get("result").getAsString() + ":" + resultMessage.get("message").getAsString()));
                 if (result.equals("success")) {
@@ -174,7 +178,7 @@ public void onLoginButtonClick() {
                     AccountManager.addAccount(username, password);
                 }
             } catch (IOException e) {
-                e.printStackTrace();
+                EPortal.logger.error("登录线程出错!", e);
                 Platform.runLater(() -> resultText.setText(e.getMessage()));
             }
             Authenticator.updateStatus();
diff --git a/src/main/java/cn/reddragon/eportal/utils/Authenticator.java b/src/main/java/cn/reddragon/eportal/utils/Authenticator.java
index 8540be0..ffbb83c 100644
--- a/src/main/java/cn/reddragon/eportal/utils/Authenticator.java
+++ b/src/main/java/cn/reddragon/eportal/utils/Authenticator.java
@@ -5,6 +5,8 @@
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
 import javafx.application.Platform;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 
 import java.io.IOException;
 import java.io.PrintWriter;
@@ -18,6 +20,7 @@
 public class Authenticator {
     public static final String ePortalUrl = "http://10.96.0.155/eportal";
     public static final String ePortalInterFaceUrl = ePortalUrl + "/InterFace.do?method=";
+    private static final Logger logger = LogManager.getLogger("Authenticator");
     public static String userIndex = null;
     public static boolean online = false;
     public static LoginType type = null;
@@ -34,7 +37,7 @@ public static HttpURLConnection login(String username, String password, String s
             connection.connect();
             return connection;
         } catch (IOException e) {
-            e.printStackTrace();
+            logger.error("登录时出错!", e);
             return null;
         }
     }
@@ -51,7 +54,7 @@ public static void updateUserIndex() {
             String redirectLocation = result.get("Location").get(0);
             userIndex = redirectLocation.substring(redirectLocation.indexOf('=') + 1);
         } catch (IOException e) {
-            e.printStackTrace();
+            logger.error("更新 UserIndex 时出错!", e);
             userIndex = null;
         }
     }
@@ -67,7 +70,7 @@ public static HttpURLConnection getUserInfo() {
             connection.connect();
             return connection;
         } catch (IOException e) {
-            e.printStackTrace();
+            logger.error("更新用户数据时出错!", e);
             return null;
         }
     }
@@ -120,21 +123,21 @@ public static void checkOnline() {
                 error = false;
             }
         } catch (SocketTimeoutException e) {
-            System.err.println(e.getMessage());
+            logger.error("无法连接到认证服务器! {}", e.getMessage());
             if (EPortal.controller != null) {
                 Platform.runLater(() -> EPortal.controller.resultText.setText("错误: 无法连接到认证服务器!"));
                 error = true;
             }
             online = false;
         } catch (SocketException e) {
-            System.err.println(e.getMessage());
+            logger.error("客户端网络错误! {}", e.getMessage());
             if (EPortal.controller != null) {
                 Platform.runLater(() -> EPortal.controller.resultText.setText("错误: 无网络连接!"));
                 error = true;
             }
             online = false;
         } catch (IOException | NullPointerException e) {
-            e.printStackTrace();
+            logger.error("更新在线状态时出错!", e);
             online = false;
         }
     }
@@ -164,7 +167,7 @@ public static void updateSession() {
                     }
                 }
             } catch (Exception e) {
-                e.printStackTrace();
+                logger.error("更新 Session 时出错!", e);
             }
         }).start();
     }
diff --git a/src/main/java/cn/reddragon/eportal/utils/IOUtils.java b/src/main/java/cn/reddragon/eportal/utils/IOUtils.java
index 6c58f13..ca39ee2 100644
--- a/src/main/java/cn/reddragon/eportal/utils/IOUtils.java
+++ b/src/main/java/cn/reddragon/eportal/utils/IOUtils.java
@@ -1,5 +1,7 @@
 package cn.reddragon.eportal.utils;
 
+import cn.reddragon.eportal.EPortal;
+
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
@@ -20,7 +22,7 @@ public static String readText(InputStream stream) {
             }
             return sb.toString();*/
         } catch (IOException e) {
-            e.printStackTrace();
+            EPortal.logger.error("读入数据时出错!", e);
             return "";
         }
     }
diff --git a/src/main/resources/cn/reddragon/eportal/hello-view.fxml b/src/main/resources/cn/reddragon/eportal/hello-view.fxml
index a870d94..01d54e7 100644
--- a/src/main/resources/cn/reddragon/eportal/hello-view.fxml
+++ b/src/main/resources/cn/reddragon/eportal/hello-view.fxml
@@ -6,7 +6,7 @@
 <VBox xmlns:fx="http://javafx.com/fxml/1" xmlns="http://javafx.com/javafx/21"
       fx:controller="cn.reddragon.eportal.controllers.MainController">
     <children>
-        <MenuBar maxHeight="1.7976931348623157E308" maxWidth="1.7976931348623157E308">
+        <MenuBar fx:id="menuBar" maxHeight="1.7976931348623157E308" maxWidth="1.7976931348623157E308">
             <menus>
                 <Menu mnemonicParsing="false" text="设置">
                     <items>