diff --git a/app/Http/Controllers/Api/UsersController.php b/app/Http/Controllers/Api/UsersController.php
index a4d7a4ac9..d2da1f448 100755
--- a/app/Http/Controllers/Api/UsersController.php
+++ b/app/Http/Controllers/Api/UsersController.php
@@ -629,11 +629,12 @@ class UsersController extends AbstractController
         User::auth();
         //
         $type = trim(Request::input('type'));
-        if (!UserBot::systemBotName($type)) {
+        $botName = "ai-{$type}";
+        if (!UserBot::systemBotName($botName)) {
             return Base::retError('AI机器人不存在');
         }
         //
-        $botUser = User::botGetOrCreate("ai-{$type}");
+        $botUser = User::botGetOrCreate($botName);
         if (empty($botUser)) {
             return Base::retError('AI机器人不存在');
         }