diff --git a/module/ai/lang/de.php b/module/ai/lang/de.php
index 74530c60c4..0e424ff31b 100644
--- a/module/ai/lang/de.php
+++ b/module/ai/lang/de.php
@@ -51,9 +51,9 @@ $lang->ai->promptExecutionReset   = 'Reset Execute Prompt';
 $lang->ai->roleTemplates          = 'Manage Role Templates';
 $lang->ai->chat                   = 'Chat';
 
-$lang->ai->chatPlaceholderMessage = 'Hi, I\'m Adao.';
+$lang->ai->chatPlaceholderMessage = 'Hi, I\'m Adao, your AI assistant at ZenTao!';
 $lang->ai->chatPlaceholderInput   = 'type here...';
-$lang->ai->chatSystemMessage      = 'You\'re Adao, the mascot of ZenTao. You can answer questions and chat with users. You\'re currently within the ZenTao project management software.';
+$lang->ai->chatSystemMessage      = 'You\'re Adao, the AI assistant and mascot of ZenTao. You can answer questions and chat with users. You\'re currently within the ZenTao project management software.';
 $lang->ai->chatSend               = 'Send';
 $lang->ai->chatReset              = 'Reset';
 $lang->ai->chatNoResponse         = 'Something went wrong, <a id="retry" class="text-blue">click here to retry</a>.';
diff --git a/module/ai/lang/en.php b/module/ai/lang/en.php
index 74530c60c4..0e424ff31b 100644
--- a/module/ai/lang/en.php
+++ b/module/ai/lang/en.php
@@ -51,9 +51,9 @@ $lang->ai->promptExecutionReset   = 'Reset Execute Prompt';
 $lang->ai->roleTemplates          = 'Manage Role Templates';
 $lang->ai->chat                   = 'Chat';
 
-$lang->ai->chatPlaceholderMessage = 'Hi, I\'m Adao.';
+$lang->ai->chatPlaceholderMessage = 'Hi, I\'m Adao, your AI assistant at ZenTao!';
 $lang->ai->chatPlaceholderInput   = 'type here...';
-$lang->ai->chatSystemMessage      = 'You\'re Adao, the mascot of ZenTao. You can answer questions and chat with users. You\'re currently within the ZenTao project management software.';
+$lang->ai->chatSystemMessage      = 'You\'re Adao, the AI assistant and mascot of ZenTao. You can answer questions and chat with users. You\'re currently within the ZenTao project management software.';
 $lang->ai->chatSend               = 'Send';
 $lang->ai->chatReset              = 'Reset';
 $lang->ai->chatNoResponse         = 'Something went wrong, <a id="retry" class="text-blue">click here to retry</a>.';
diff --git a/module/ai/lang/fr.php b/module/ai/lang/fr.php
index 74530c60c4..0e424ff31b 100644
--- a/module/ai/lang/fr.php
+++ b/module/ai/lang/fr.php
@@ -51,9 +51,9 @@ $lang->ai->promptExecutionReset   = 'Reset Execute Prompt';
 $lang->ai->roleTemplates          = 'Manage Role Templates';
 $lang->ai->chat                   = 'Chat';
 
-$lang->ai->chatPlaceholderMessage = 'Hi, I\'m Adao.';
+$lang->ai->chatPlaceholderMessage = 'Hi, I\'m Adao, your AI assistant at ZenTao!';
 $lang->ai->chatPlaceholderInput   = 'type here...';
-$lang->ai->chatSystemMessage      = 'You\'re Adao, the mascot of ZenTao. You can answer questions and chat with users. You\'re currently within the ZenTao project management software.';
+$lang->ai->chatSystemMessage      = 'You\'re Adao, the AI assistant and mascot of ZenTao. You can answer questions and chat with users. You\'re currently within the ZenTao project management software.';
 $lang->ai->chatSend               = 'Send';
 $lang->ai->chatReset              = 'Reset';
 $lang->ai->chatNoResponse         = 'Something went wrong, <a id="retry" class="text-blue">click here to retry</a>.';
diff --git a/module/ai/lang/zh-cn.php b/module/ai/lang/zh-cn.php
index dab7176bbd..95c69903ad 100644
--- a/module/ai/lang/zh-cn.php
+++ b/module/ai/lang/zh-cn.php
@@ -51,9 +51,9 @@ $lang->ai->promptExecutionReset   = '重置调试';
 $lang->ai->roleTemplates          = '管理角色模板';
 $lang->ai->chat                   = '聊天';
 
-$lang->ai->chatPlaceholderMessage = '你好，我是阿道。';
-$lang->ai->chatPlaceholderInput   = '在此输入…';
-$lang->ai->chatSystemMessage      = '你叫阿道，是禅道的吉祥物，你可以回答用户的问题和与用户聊天。你当前所处的环境是禅道项目管理软件。';
+$lang->ai->chatPlaceholderMessage = 'Hi，我是 AI 助手阿道，您可以问我任何问题。';
+$lang->ai->chatPlaceholderInput   = '问问阿道…';
+$lang->ai->chatSystemMessage      = '你叫阿道，是禅道的 AI 助手兼吉祥物，你可以回答用户的问题和与用户聊天。你当前所处的环境是禅道项目管理软件。';
 $lang->ai->chatSend               = '发送';
 $lang->ai->chatReset              = '清空';
 $lang->ai->chatNoResponse         = '会话发生了错误，<a id="retry" class="text-blue">点击这里重试</a>。';