diff --git a/app/Models/UserBot.php b/app/Models/UserBot.php
index 8208075b9..c28d297b8 100644
--- a/app/Models/UserBot.php
+++ b/app/Models/UserBot.php
@@ -114,6 +114,15 @@ class UserBot extends AbstractModel
                     'label' => Doo::translate('我的机器人')
                 ],
             ],
+            'ai-openai@bot.system',
+            'ai-claude@bot.system',
+            'ai-wenxin@bot.system',
+            'ai-qianwen@bot.system' => [
+                [
+                    'key' => '%3A.clear',
+                    'label' => Doo::translate('清空上下文')
+                ]
+            ],
             default => [],
         };
 
diff --git a/app/Tasks/BotReceiveMsgTask.php b/app/Tasks/BotReceiveMsgTask.php
index a51ddbad8..6c5f4aacb 100644
--- a/app/Tasks/BotReceiveMsgTask.php
+++ b/app/Tasks/BotReceiveMsgTask.php
@@ -71,6 +71,9 @@ class BotReceiveMsgTask extends AbstractTask
         }
         if (preg_match("/<span[^>]*?data-quick-key=([\"'])(.*?)\\1[^>]*?>(.*?)<\/span>/is", $original, $match)) {
             $command = $match[2];
+            if (str_starts_with($command, '%3A.')) {
+                $command = ":" . substr($command, 4);
+            }
         } else {
             $command = trim(strip_tags($original));
         }