fix

app/Services/AIGeneration/AIImageGenerationService.php

@@ -547,10 +547,19 @@ class AIImageGenerationService
                 return;
             }
 
+            // 移除 b64_json 字段以避免存储大量 Base64 数据
+            $cleanedResponseData = $responseData;
+            if (isset($cleanedResponseData['data'])) {
+                foreach ($cleanedResponseData['data'] as &$imageData) {
+                    unset($imageData['b64_json']); // 移除 Base64 数据
+                }
+                unset($imageData); // 解除引用
+            }
+
             // 更新任务状态为成功
             $task->updateStatus(MpGeneratePicTask::STATUS_SUCCESS, [
                 'result_url' => $result_urls,
-                'result_json' => $responseData
+                'result_json' => $cleanedResponseData // 保存清理后的数据
             ]);
 
             // 同步调整分镜图片状态和结果