fix

app/Services/DeepSeek/DeepSeekService.php

@@ -3858,7 +3858,7 @@ Q版卡通风格，头大身小，造型圆润可爱，线条简单，色彩明
         $modelName = (string)getProp($post_data, 'model', 'gpt-5.4');
         // gpt-5.4 中转已下线，强制映射到 gpt-5.6-sol
         if ($modelName === 'gpt-5.4') {
-            $modelName = 'gpt-6-astra';
+            $modelName = 'gpt-5.6-terra';
             $post_data['model'] = $modelName;
         }
         $lunaApiKey = env('GPT_56_LUNA_API_KEY');
@@ -16263,7 +16263,7 @@ Q版卡通风格，头大身小，造型圆润可爱，线条简单，色彩明
         $modelName = (string)getProp($post_data, 'model', 'gpt-5.4');
         // gpt-5.4 中转已下线，强制映射到 gpt-5.6-sol
         if ($modelName === 'gpt-5.4') {
-            $modelName = 'gpt-6-astra';
+            $modelName = 'gpt-5.6-terra';
             $post_data['model'] = $modelName;
         }
         $lunaApiKey = env('GPT_56_LUNA_API_KEY');