diff --git a/src/BowongModalFunctions/models/media_model.py b/src/BowongModalFunctions/models/media_model.py
index 335bf02..d00a132 100644
--- a/src/BowongModalFunctions/models/media_model.py
+++ b/src/BowongModalFunctions/models/media_model.py
@@ -1,4 +1,5 @@
 import os
+import re
 from datetime import datetime
 from enum import Enum
 from functools import cached_property
@@ -53,8 +54,15 @@ class MediaSource(BaseModel):
                                endpoint=parsed_url.netloc,  # domain of http url
                                bucket=None,
                                urn=media_url)
-        elif media_url.startswith('s3://'):  # s3://{endpoint}/{bucket}/{url}
+        elif media_url.startswith('s3://'):
+
+            pattern = r"^s3://[a-z]{2}-[a-z]+-\d/.*$"
+            if not re.match(pattern, media_url):
+                media_url = media_url.replace("s3://", f"s3://{s3_region}/")
+            # s3://{endpoint}/{bucket}/{url}
             paths = media_url[5:].split('/')
+
+
             if len(paths) < 3:
                 raise ValidationError("URN-s3 格式错误")
 
diff --git a/src/BowongModalFunctions/models/web_model.py b/src/BowongModalFunctions/models/web_model.py
index f18c3c8..658062f 100644
--- a/src/BowongModalFunctions/models/web_model.py
+++ b/src/BowongModalFunctions/models/web_model.py
@@ -319,7 +319,7 @@ class ComfyTaskStatusResponse(BaseModel):
 
 class ComfyTaskRequest(BaseFFMPEGTaskRequest):
     video_path: MediaSource = Field(
-        default=MediaSource.from_str("s3://modal-media-cache/comfyui-input/markers/1016.mp4"), description="视频源")
+        default=None, description="视频源")
     start_time: str = Field(default="00:00:01.600", description="开始时间")
     filename_prefix: str = Field(default=str(uuid.uuid4()), description="生成文件名前缀")
     tts_text1: str = Field(default="好好看，这是我们家专门为女生定制的背心，", description="tts文本1")