diff --git a/unilabos/app/oss_upload.py b/unilabos/app/oss_upload.py
index e7cbc3f2..b6677a72 100644
--- a/unilabos/app/oss_upload.py
+++ b/unilabos/app/oss_upload.py
@@ -2,7 +2,8 @@ import argparse
 import os
 import time
 from datetime import datetime
-from typing import Dict, Optional, Tuple
+from pathlib import Path
+from typing import Dict, Optional, Tuple, Union
 
 import requests
 
@@ -97,7 +98,7 @@ def _put_upload(file_path: str, upload_url: str) -> bool:
 
 
 def oss_upload(
-    file_path: str,
+    file_path: Union[str, Path],
     filename: Optional[str] = None,
     driver_name: str = "default",
     exp_type: str = "default",
@@ -122,6 +123,7 @@ def oss_upload(
             "oss_path": str  # OSS路径（成功时）或空字符串（失败时）
         }
     """
+    file_path = Path(file_path)
     if filename is None:
         filename = os.path.basename(file_path)
 
diff --git a/unilabos/ros/nodes/presets/host_node.py b/unilabos/ros/nodes/presets/host_node.py
index 574a3899..71d8c377 100644
--- a/unilabos/ros/nodes/presets/host_node.py
+++ b/unilabos/ros/nodes/presets/host_node.py
@@ -752,6 +752,12 @@ class HostNode(BaseROS2DeviceNode):
                 if return_info_str is not None:
                     try:
                         return_info = json.loads(return_info_str)
+                        # 适配后端的一些额外处理
+                        return_value = return_info.get("return_value")
+                        if isinstance(return_value, dict):
+                            unilabos_samples = return_info.get("unilabos_samples")
+                            if isinstance(unilabos_samples, list):
+                                return_info["unilabos_samples"] = unilabos_samples
                         suc = return_info.get("suc", False)
                         if not suc:
                             status = "failed"