diff --git a/wechat_ipad/client/message.py b/wechat_ipad/client/message.py
index a24cc4c..a961457 100644
--- a/wechat_ipad/client/message.py
+++ b/wechat_ipad/client/message.py
@@ -227,10 +227,14 @@ class MessageMixin(WechatAPIClientBase):
             file_len = len(video)
             media_info = MediaInfo.parse(BytesIO(video))
         elif isinstance(video, os.PathLike):
-            with open(video, "rb") as f:
-                file_len = len(f.read())
-                vid_base64 = base64.b64encode(f.read()).decode()
-            media_info = MediaInfo.parse(video)
+            video_path = Path(video)
+            if not video_path.exists():
+                raise ValueError(f"Video file does not exist: {video_path}")
+            with open(video_path, "rb") as f:
+                video_bytes = f.read()
+            file_len = len(video_bytes)
+            vid_base64 = base64.b64encode(video_bytes).decode()
+            media_info = MediaInfo.parse(video_path)
         else:
             raise ValueError("video should be str, bytes, or path")
         duration = media_info.tracks[0].duration