diff --git a/src/xdevice/_core/executor/source.py b/src/xdevice/_core/executor/source.py
index 77e8e2b8972f0e3efbc4520e55ea96ca206de56a..f35ee5129e09fcf52c839ecda42bd8e90b94815a 100644
--- a/src/xdevice/_core/executor/source.py
+++ b/src/xdevice/_core/executor/source.py
@@ -180,7 +180,6 @@ def _get_test_sources(config, testcases_dirs):
     # get test sources from config.testfile
     if getattr(config, "testfile", ""):
         test_file = _get_test_file(config, testcases_dirs)
-        import stat
         flags = os.O_RDONLY
         modes = stat.S_IWUSR | stat.S_IRUSR
         with os.fdopen(os.open(test_file, flags, modes), "r") as file_content:
diff --git a/src/xdevice/_core/testkit/kit_lite.py b/src/xdevice/_core/testkit/kit_lite.py
index b4c9e8596b5860c4b3d904cb7d629815fb7387c6..4bda1f7bf40bf22a02bd71b0dd2ec0d3da7f5590 100644
--- a/src/xdevice/_core/testkit/kit_lite.py
+++ b/src/xdevice/_core/testkit/kit_lite.py
@@ -351,7 +351,7 @@ class MountKit(ITestKit):
                     try:
                         os.remove(os.path.join(remote_info.get("dir"),
                                                os.path.basename(_file)))
-                    except Exception as _:
+                    except OSError as _:
                         pass
                     shutil.copy(_file, remote_info.get("dir"))
                     if check_server_file(_file, remote_info.get("dir")):