diff --git a/__init__.py b/__init__.py
index b116d8e..00393fd 100644
--- a/__init__.py
+++ b/__init__.py
@@ -289,6 +289,103 @@ async def get_hello(request):
     return web.json_response("hello")
 
 
+
+
+# 腾讯云 VOD
+
+from tencentcloud.common.profile.client_profile import ClientProfile
+from tencentcloud.common.profile.http_profile import HttpProfile
+from tencentcloud.common import credential
+from tencentcloud.vod.v20180717 import vod_client, models
+import requests
+from pathlib import Path
+import tempfile
+
+class VodToLocalNode:
+    
+    def __init__(self):
+        self.secret_id = "AKIDsrihIyjZOBsjimt8TsN8yvv1AMh5dB44"
+        self.secret_key = "CPZcxdk6W39Jd4cGY95wvupoyMd0YFqW"
+        self.vod_client = self.init_vod_client()
+    
+    def init_vod_client(self):
+        """初始化VOD客户端"""
+        try:
+            http_profile = HttpProfile(endpoint="vod.tencentcloudapi.com")
+            client_profile = ClientProfile(httpProfile=http_profile)
+            cred = credential.Credential(self.secret_id, self.secret_key)
+            return vod_client.VodClient(cred, "ap-shanghai", client_profile)
+        except Exception as e:
+            raise RuntimeError(f"VOD client initialization failed: {e}")
+
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {
+            "required": {
+                "file_id": ("STRING", {"default": ""}),
+                "sub_app_id": ("INT", {"default": 0}),
+            }
+        }
+
+    RETURN_TYPES = ("STRING",)
+    RETURN_NAMES = ("local_path",)
+    FUNCTION = "execute"
+    CATEGORY = "video"
+
+    def execute(self, file_id, sub_app_id):
+        # 调用下载逻辑
+        local_path = self.download_vod(file_id, sub_app_id)
+        return (local_path,)
+    
+    def _get_download_url(self, file_id, sub_app_id):
+        """获取媒体文件下载地址"""
+        try:
+            req = models.DescribeMediaInfosRequest()
+            req.FileIds = [file_id]
+            req.SubAppId = sub_app_id
+            
+            resp = self.vod_client.DescribeMediaInfos(req)
+            if not resp.MediaInfoSet:
+                raise ValueError("File not found")
+            
+            media_info = resp.MediaInfoSet[0]
+            if not media_info.BasicInfo.MediaUrl:
+                raise ValueError("No download URL available")
+            
+            return media_info.BasicInfo.MediaUrl
+        except Exception as e:
+            raise RuntimeError(f"Tencent API error: {e}")
+
+    def download_vod(self, file_id, sub_app_id):
+        """
+        需要补充腾讯云VOD SDK调用逻辑
+        返回本地文件路径
+        """
+        media_url = self._get_download_url(file_id=file_id, sub_app_id=sub_app_id)
+        # 生成一个临时目录路径名并创建该目录
+        output_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), "download", f"{file_id}.mp4" )
+        return self._download_file(url=media_url, output_dir=output_dir, file_id=file_id, timeout=60 * 10)
+    
+    def _download_file(self, url, output_dir, file_id, timeout=30):
+        """下载文件到本地"""
+        try:
+            # 生成安全文件名
+            file_extension = os.path.splitext(url)[1] or ".mp4"
+            filename = f"{file_id}{file_extension}"
+            save_path = Path(output_dir) / filename
+
+            with requests.get(url, stream=True, timeout=timeout) as response:
+                response.raise_for_status()
+                
+                with open(save_path, "wb") as f:
+                    for chunk in response.iter_content(chunk_size=8192):
+                        if chunk:
+                            f.write(chunk)
+            
+            return str(save_path.resolve())
+        except Exception as e:
+            raise RuntimeError(f"Download error: {e}")
+
 # A dictionary that contains all nodes you want to export with their names
 # NOTE: names should be globally unique
 NODE_CLASS_MAPPINGS = {
diff --git a/requirements.txt b/requirements.txt
index 9ec11c9..cfb96b9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,9 @@
+--index-url=https://pypi.tuna.tsinghua.edu.cn/simple
 ffmpy
 torch
 torchvision
 Pillow
 opencv-python
 ultralytics
-cos-python-sdk-v5
\ No newline at end of file
+cos-python-sdk-v5
+tencentcloud-sdk-python
\ No newline at end of file