diff --git a/src/cluster/video_apps/make_grid_upload.py b/src/cluster/video_apps/make_grid_upload.py
index e75c526..66df8dd 100644
--- a/src/cluster/video_apps/make_grid_upload.py
+++ b/src/cluster/video_apps/make_grid_upload.py
@@ -45,40 +45,8 @@ with downloader_image.imports():
             :return: 图片路径
             """
             try:
-                cell_height = image_size + text_height
-                cell_width = image_size
-                # 提取图片路径和文字说明
-                image_paths = []
-                captions = []
-                for info in image_info_list:
-                    captions.append(info["title"])
-                    if "resize:200" in info["cover"]:
-                        info["cover"] = info["cover"].replace("resize:200", f"resize:{image_size}")
-                    image_paths.append(info["cover"])
-
-                # 检查输入
-                if len(image_paths) != len(captions):
-                    raise ValueError("图片数量与文字说明数量不匹配")
-
-                # 处理图片（包括从网络获取）
-                loaded_images = []
-                for path in image_paths:
-                    if path.startswith(('http://', 'https://')):
-                        try:
-                            response = requests.get(path)
-                            response.raise_for_status()
-                            img = Image.open(BytesIO(response.content))
-                            loaded_images.append(img)
-                        except requests.RequestException as e:
-                            raise FileNotFoundError(f"无法从网络获取图片: {path}, 错误: {e}")
-                    elif os.path.exists(path):
-                        img = Image.open(path)
-                        loaded_images.append(img)
-                    else:
-                        raise FileNotFoundError(f"找不到图片文件: {path}")
-
                 # 计算网格大小
-                n = len(image_paths)
+                n = len(image_info_list)
                 max_cols = min(4, n)  # 最大列数为6或图片数量
                 min_rows = math.ceil(n / max_cols)  # 最小行数
 
@@ -100,6 +68,39 @@ with downloader_image.imports():
                 if best_rows > 4 or best_cols > 4:
                     raise ValueError(f"图片数量({n})过多，无法在4x4网格内合理展示")
 
+                cell_height = image_size + text_height
+                cell_width = image_size
+                # 提取图片路径和文字说明
+                image_paths = []
+                captions = []
+                for info in image_info_list:
+                    captions.append(info["title"])
+                    if "resize:200" in info["cover"]:
+                        info["cover"] = info["cover"].replace("resize:200", f"resize:{image_size}")
+                    image_paths.append(info["cover"])
+
+                # 检查输入
+                if len(image_paths) != len(captions):
+                    raise ValueError("图片数量与文字说明数量不匹配")
+
+                # 处理图片（包括从网络获取）
+                loaded_images = []
+                for path in image_paths:
+                    if path.startswith(('http://', 'https://')):
+                        try:
+                            async with httpx.AsyncClient(timeout=60) as client:
+                                response = await client.get(path)
+                                response.raise_for_status()
+                            img = Image.open(BytesIO(response.content))
+                            loaded_images.append(img)
+                        except requests.RequestException as e:
+                            raise FileNotFoundError(f"无法从网络获取图片: {path}, 错误: {e}")
+                    elif os.path.exists(path):
+                        img = Image.open(path)
+                        loaded_images.append(img)
+                    else:
+                        raise FileNotFoundError(f"找不到图片文件: {path}")
+
                 # 创建画布
                 canvas_width = best_cols * (cell_width + separator) - separator
                 canvas_height = best_rows * (cell_height + separator) - separator