diff --git a/src/main/java/fr/xephi/authme/listener/GuiCaptchaHandler.java b/src/main/java/fr/xephi/authme/listener/GuiCaptchaHandler.java
index f323d099..16b66efb 100644
--- a/src/main/java/fr/xephi/authme/listener/GuiCaptchaHandler.java
+++ b/src/main/java/fr/xephi/authme/listener/GuiCaptchaHandler.java
@@ -7,7 +7,10 @@ import com.comphenix.protocol.events.PacketAdapter;
 import com.comphenix.protocol.events.PacketEvent;
 import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.api.v3.AuthMeApi;
+import fr.xephi.authme.message.MessageKey;
+import fr.xephi.authme.message.Messages;
 import fr.xephi.authme.service.BukkitService;
+import fr.xephi.authme.service.CommonService;
 import fr.xephi.authme.settings.properties.HooksSettings;
 import fr.xephi.authme.settings.properties.RestrictionSettings;
 import fr.xephi.authme.settings.properties.SecuritySettings;
@@ -43,6 +46,10 @@ public class GuiCaptchaHandler implements Listener {
     private BukkitService bukkitService;
     @Inject
     private AuthMe plugin;
+    @Inject
+    private Messages messages;
+    @Inject
+    private CommonService service;
 
     private PacketAdapter chatPacketListener;
     private PacketAdapter windowPacketListener;
@@ -85,7 +92,7 @@ public class GuiCaptchaHandler implements Listener {
                     event.setCancelled(true);
                     closeReasonMap.put(player, "verified");
                     player.closeInventory();
-                    player.sendMessage("§a验证完成");
+                    messages.send(player, MessageKey.GUI_CAPTCHA_VERIFIED);
                 }
             }
         }
@@ -99,7 +106,7 @@ public class GuiCaptchaHandler implements Listener {
         if (!authmeApi.isRegistered(name) && !isNpc(playerunreg)) {
             if (isBedrockPlayer(playerunreg.getUniqueId())) {
                 closeReasonMap.put(playerunreg, "verified");
-                playerunreg.sendMessage("§a基岩版自动验证完成");
+                messages.send(playerunreg, MessageKey.GUI_CAPTCHA_VERIFIED_AUTO_BEDROCK);
                 return;
             }
             bukkitService.runTaskAsynchronously(() -> {
@@ -120,12 +127,12 @@ public class GuiCaptchaHandler implements Listener {
                     randomString = sb.toString();
                     Random random_blockpos = new Random();
                     AtomicInteger random_num = new AtomicInteger(random_blockpos.nextInt(26));
-                    Inventory menu = Bukkit.createInventory(playerunreg, 27, randomString + "请验证你是真人");
+                    Inventory menu = Bukkit.createInventory(playerunreg, 27, messages.retrieveSingle(playerunreg, MessageKey.GUI_CAPTCHA_WINDOW_NAME, randomString));
                     ItemStack item = new ItemStack(Material.REDSTONE_BLOCK);
                     ItemMeta meta = item.getItemMeta();
                     try {
                         if (meta != null) {
-                            meta.setDisplayName("§a" + randomString + "§a我是真人");
+                            meta.setDisplayName(messages.retrieveSingle(playerunreg, MessageKey.GUI_CAPTCHA_CLICKABLE_NAME, randomString));
                             item.setItemMeta(meta);
                         }
                     } catch (NullPointerException e) {
@@ -146,7 +153,7 @@ public class GuiCaptchaHandler implements Listener {
                         bukkitService.runTask(() -> {
                             bukkitService.runTaskLater(() -> {
                                 if (!closeReasonMap.containsKey(playerunreg) && !authmeApi.isRegistered(playerunreg.getName())) {
-                                    playerunreg.kickPlayer("§c验证超时");
+                                    playerunreg.kickPlayer(service.retrieveSingleMessage(playerunreg, MessageKey.GUI_CAPTCHA_KICK_TIMEOUT));
                                     timesLeft = 3; // Reset the attempt counter
                                 }
                             }, finalTimeOut * 20L);
@@ -160,19 +167,19 @@ public class GuiCaptchaHandler implements Listener {
                                 if (event.getPlayer() == playerunreg && !closeReasonMap.containsKey(playerunreg) && !authmeApi.isRegistered(playerunreg.getName())) {
                                     if (timesLeft <= 0) {
                                         bukkitService.runTask(() -> {
-                                            playerunreg.kickPlayer("§c请先完成人机验证!");
+                                            playerunreg.kickPlayer(service.retrieveSingleMessage(playerunreg, MessageKey.GUI_CAPTCHA_KICK_FAILED));
                                         });
                                         timesLeft = 3;
                                     } else {
                                         --timesLeft;
                                         if (timesLeft <= 0) {
                                             bukkitService.runTask(() -> {
-                                                playerunreg.kickPlayer("§c请先完成人机验证!");
+                                                playerunreg.kickPlayer(service.retrieveSingleMessage(playerunreg, MessageKey.GUI_CAPTCHA_KICK_FAILED));
                                             });
                                             timesLeft = 3;
                                             return;
                                         }
-                                        playerunreg.sendMessage("§c请先完成验证!,你还有" + timesLeft + "次机会");
+                                        messages.send(playerunreg, MessageKey.GUI_CAPTCHA_RETRY_MESSAGE, String.valueOf(timesLeft));
                                         event.setCancelled(true);
                                         random_num.set(random_blockpos.nextInt(26));
                                         bukkitService.runTask(() -> {
@@ -191,7 +198,7 @@ public class GuiCaptchaHandler implements Listener {
                             @Override
                             public void onPacketReceiving(PacketEvent event) {
                                 if (event.getPlayer() == playerunreg && !closeReasonMap.containsKey(playerunreg) && !authmeApi.isRegistered(playerunreg.getName())) {
-                                    playerunreg.sendMessage("§c请先完成验证!");
+                                    messages.send(playerunreg, MessageKey.GUI_CAPTCHA_DENIED_MESSAGE);
                                     event.setCancelled(true);
                                 }
                             }
diff --git a/src/main/java/fr/xephi/authme/message/MessageKey.java b/src/main/java/fr/xephi/authme/message/MessageKey.java
index 77784521..0c5c6fb0 100644
--- a/src/main/java/fr/xephi/authme/message/MessageKey.java
+++ b/src/main/java/fr/xephi/authme/message/MessageKey.java
@@ -4,13 +4,59 @@ package fr.xephi.authme.message;
  * Keys for translatable messages managed by {@link Messages}.
  */
 public enum MessageKey {
-    /** In order to use this command you must be authenticated! */
+    /**
+     * %random Verification
+     */
+    GUI_CAPTCHA_WINDOW_NAME("gui_captcha.captcha_window_name", "%random"),
+
+    /**
+     * %random I am human
+     */
+    GUI_CAPTCHA_CLICKABLE_NAME("gui_captcha.captcha_clickable_name", "%random"),
+
+    /**
+     * Verification failed, you have %times retries left
+     */
+    GUI_CAPTCHA_RETRY_MESSAGE("gui_captcha.message_on_retry", "%times"),
+
+    /**
+     * Bedrock verification success!
+     */
+    GUI_CAPTCHA_VERIFIED_AUTO_BEDROCK("gui_captcha.bedrock_auto_verify_success"),
+
+    /**
+     * Please be verified before chatting!
+     */
+    GUI_CAPTCHA_DENIED_MESSAGE("gui_captcha.denied_message_sending"),
+
+    /**
+     * Verification timed out!
+     */
+    GUI_CAPTCHA_KICK_TIMEOUT("gui_captcha.kick_on_timeout"),
+
+    /**
+     * Please complete the verification!
+     */
+    GUI_CAPTCHA_KICK_FAILED("gui_captcha.kick_on_failed"),
+
+    /**
+     * Verification success!
+     */
+    GUI_CAPTCHA_VERIFIED("gui_captcha.success"),
+
+    /**
+     * In order to use this command you must be authenticated!
+     */
     DENIED_COMMAND("error.denied_command"),
 
-    /** A player with the same IP is already in game! */
+    /**
+     * A player with the same IP is already in game!
+     */
     SAME_IP_ONLINE("on_join_validation.same_ip_online"),
 
-    /** In order to chat you must be authenticated! */
+    /**
+     * In order to chat you must be authenticated!
+     */
     DENIED_CHAT("error.denied_chat"),
 
     /** AntiBot protection mode is enabled! You have to wait some minutes before joining the server. */
diff --git a/src/main/java/fr/xephi/authme/message/updater/MessageUpdater.java b/src/main/java/fr/xephi/authme/message/updater/MessageUpdater.java
index 7ea41688..bd81e6ed 100644
--- a/src/main/java/fr/xephi/authme/message/updater/MessageUpdater.java
+++ b/src/main/java/fr/xephi/authme/message/updater/MessageUpdater.java
@@ -149,6 +149,7 @@ public class MessageUpdater {
             .put("verification", "Verification code")
             .put("time", "Time units")
             .put("two_factor", "Two-factor authentication")
+            .put("gui_captcha", "3rd party features: GUI Captcha")
             .build();
 
         Set<String> addedKeys = new HashSet<>();
diff --git a/src/main/resources/messages/messages_en.yml b/src/main/resources/messages/messages_en.yml
index 6374773c..26a12cf1 100644
--- a/src/main/resources/messages/messages_en.yml
+++ b/src/main/resources/messages/messages_en.yml
@@ -155,3 +155,14 @@ time:
   hours: 'hours'
   day: 'day'
   days: 'days'
+
+# 3rd party features: GUI Captcha
+gui_captcha:
+  success: '&aVerification success!'
+  bedrock_auto_verify_success: '&aBedrock verification success!'
+  captcha_window_name: '%random Verification'
+  captcha_clickable_name: '%random I am human'
+  message_on_retry: '&cVerification failed, you have %times retries left'
+  denied_message_sending: '&cPlease be verified before chatting!'
+  kick_on_failed: '&cPlease complete the verification!'
+  kick_on_timeout: '&cVerification timed out!'
diff --git a/src/main/resources/messages/messages_zhcn.yml b/src/main/resources/messages/messages_zhcn.yml
index bd69297b..91845f62 100644
--- a/src/main/resources/messages/messages_zhcn.yml
+++ b/src/main/resources/messages/messages_zhcn.yml
@@ -154,13 +154,24 @@ time:
 
 # Two-factor authentication
 two_factor:
-    code_created: '&7您正在激活双重验证, 请打开 &a%url &7扫描二维码'
-    confirmation_required: '&7请输入“/totp confirm <验证码>”来确认激活双重验证'
-    code_required: '&c请输入“/totp code <验证码>”来提交验证码'
-    already_enabled: '&a双重验证已启用'
-    enable_error_no_code: '&c验证码丢失'
-    enable_success: '&a已成功启用双重验证'
-    enable_error_wrong_code: '&c验证码错误或者已经过期,请重新执行“/totp add”'
-    not_enabled_error: '&c双重验证未在您的账号上启用,请使用“/totp add”来启用'
-    removed_success: '&c双重验证已从您的账号上禁用'
-    invalid_code: '&c无效的验证码'
+  code_created: '&7您正在激活双重验证, 请打开 &a%url &7扫描二维码'
+  confirmation_required: '&7请输入“/totp confirm <验证码>”来确认激活双重验证'
+  code_required: '&c请输入“/totp code <验证码>”来提交验证码'
+  already_enabled: '&a双重验证已启用'
+  enable_error_no_code: '&c验证码丢失'
+  enable_success: '&a已成功启用双重验证'
+  enable_error_wrong_code: '&c验证码错误或者已经过期,请重新执行“/totp add”'
+  not_enabled_error: '&c双重验证未在您的账号上启用,请使用“/totp add”来启用'
+  removed_success: '&c双重验证已从您的账号上禁用'
+  invalid_code: '&c无效的验证码'
+
+# 3rd party features: GUI Captcha
+gui_captcha:
+  success: '&a*** 验证完成 ***'
+  bedrock_auto_verify_success: '&a*** 基岩版自动验证完成 ***'
+  captcha_window_name: '&k%random&r&n请验证你是真人'
+  captcha_clickable_name: '&k%random&r&n我是真人'
+  message_on_retry: '&c验证失败,你还有 %times 次机会'
+  denied_message_sending: '&c请先完成验证再聊天!'
+  kick_on_failed: '&c请先完成验证!'
+  kick_on_timeout: '&c验证超时'