diff --git a/volcenginesdkarkruntime/resources/chat/completions.py b/volcenginesdkarkruntime/resources/chat/completions.py
index 6433007c..759d3dc9 100644
--- a/volcenginesdkarkruntime/resources/chat/completions.py
+++ b/volcenginesdkarkruntime/resources/chat/completions.py
@@ -63,6 +63,14 @@ def _process_messages(
                                 "encryption is not supported for image url, "
                                 "please use base64 image if you want encryption"
                             )
+                    elif part.get("type", None) == "video_url":
+                        if part["video_url"]["url"].startswith("data:"):
+                            part["video_url"]["url"] = f(part["video_url"]["url"])
+                        else:
+                            warnings.warn(
+                                "encryption is not supported for video url, "
+                                "please use base64 video if you want encryption"
+                            )
                     else:
                         raise TypeError(
                             "encryption is not supported for content type {}".format(
diff --git a/volcenginesdkarkruntime/types/chat/chat_completion_content_part_param.py b/volcenginesdkarkruntime/types/chat/chat_completion_content_part_param.py
index a75a664d..094fa887 100644
--- a/volcenginesdkarkruntime/types/chat/chat_completion_content_part_param.py
+++ b/volcenginesdkarkruntime/types/chat/chat_completion_content_part_param.py
@@ -6,9 +6,10 @@
 from .chat_completion_content_part_image_param import (
     ChatCompletionContentPartImageParam,
 )
+from .chat_completion_content_part_video_param import ChatCompletionContentPartVideoParam
 
 __all__ = ["ChatCompletionContentPartParam"]
 
 ChatCompletionContentPartParam = Union[
-    ChatCompletionContentPartTextParam, ChatCompletionContentPartImageParam
+    ChatCompletionContentPartTextParam, ChatCompletionContentPartImageParam, ChatCompletionContentPartVideoParam
 ]
diff --git a/volcenginesdkarkruntime/types/chat/chat_completion_content_part_video_param.py b/volcenginesdkarkruntime/types/chat/chat_completion_content_part_video_param.py
new file mode 100644
index 00000000..c90ddf2d
--- /dev/null
+++ b/volcenginesdkarkruntime/types/chat/chat_completion_content_part_video_param.py
@@ -0,0 +1,23 @@
+from __future__ import annotations
+
+from typing_extensions import Literal, Required, TypedDict
+
+__all__ = ["ChatCompletionContentPartVideoParam", "VideoURL"]
+
+
+class VideoURL(TypedDict, total=False):
+    url: Required[str]
+    """Either a URL of the video or the base64 encoded video data."""
+
+    fps: float
+    """The frame rate of the video."""
+
+    detail: Literal["low", "high"]
+    """Specifies the detail level of the video."""
+
+
+class ChatCompletionContentPartVideoParam(TypedDict, total=False):
+    video_url: Required[VideoURL]
+
+    type: Required[Literal["video_url"]]
+    """The type of the content part."""