diff --git a/python/dify_plugin/interfaces/model/openai_compatible/llm.py b/python/dify_plugin/interfaces/model/openai_compatible/llm.py
index e26c7464..583d6857 100644
--- a/python/dify_plugin/interfaces/model/openai_compatible/llm.py
+++ b/python/dify_plugin/interfaces/model/openai_compatible/llm.py
@@ -39,6 +39,7 @@
     SystemPromptMessage,
     ToolPromptMessage,
     UserPromptMessage,
+    VideoPromptMessageContent,
 )
 from dify_plugin.errors.model import CredentialsValidateFailedError, InvokeError
 from dify_plugin.interfaces.model.large_language_model import LargeLanguageModel
@@ -730,6 +731,15 @@ def _convert_prompt_message_to_dict(self, message: PromptMessage, credentials: d
                             },
                         }
                         sub_messages.append(sub_message_dict)
+                    elif message_content.type == PromptMessageContentType.VIDEO:
+                        message_content = cast(VideoPromptMessageContent, message_content)
+                        sub_message_dict = {
+                            "type": "video_url",
+                            "video_url": {
+                                "url": message_content.data,
+                            },
+                        }
+                        sub_messages.append(sub_message_dict)
 
                 message_dict = {"role": "user", "content": sub_messages}
         elif isinstance(message, AssistantPromptMessage):