From daaed56dbeb16b3266fe95ecb2ae5940f04d0c8a Mon Sep 17 00:00:00 2001
From: zhangxiaohua <827885272@qq.com>
Date: Mon, 19 Jan 2026 16:08:55 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E6=A0=B7=E5=BC=8F?=
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---
 backend/src/ai-3d/providers/hunyuan.provider.ts | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/backend/src/ai-3d/providers/hunyuan.provider.ts b/backend/src/ai-3d/providers/hunyuan.provider.ts
index 145116d..6d3579a 100644
--- a/backend/src/ai-3d/providers/hunyuan.provider.ts
+++ b/backend/src/ai-3d/providers/hunyuan.provider.ts
@@ -87,13 +87,25 @@ export class HunyuanAI3DProvider implements AI3DProvider {
 
         // 多视图图片支持
         if (options?.multiViewImages && options.multiViewImages.length > 0) {
+          // 检查是否包含扩展视角（需要 v3.1）
+          const extendedViewTypes = ['top', 'bottom', 'left_front', 'right_front'];
+          const hasExtendedViews = options.multiViewImages.some(
+            (img) => extendedViewTypes.includes(img.viewType)
+          );
+
+          // 如果有扩展视角，使用模型版本 3.1
+          if (hasExtendedViews) {
+            payload.ModelVersion = '3.1';
+          }
+
           payload.MultiViewImages = options.multiViewImages.map((img) => ({
             ViewType: img.viewType,
             ViewImageUrl: img.imageUrl,
           }));
           this.logger.log(
             `提交图生3D任务（多视图）: ${options.multiViewImages.length} 张图片 ` +
-              `[类型: ${options?.generateType || 'Normal'}]`,
+              `[类型: ${options?.generateType || 'Normal'}]` +
+              (hasExtendedViews ? ' [模型版本: 3.1]' : ''),
           );
         } else {
           this.logger.log(