diff --git a/src/dflow/config.py b/src/dflow/config.py
index 5b1db197..7e9028d9 100644
--- a/src/dflow/config.py
+++ b/src/dflow/config.py
@@ -76,6 +76,8 @@ def split_headers(s):
     "debug_workdir": os.environ.get("DFLOW_DEBUG_WORKDIR", "."),
     "debug_artifact_dir": os.environ.get("DFLOW_DEBUG_ARTIFACT_DIR", "."),
     "debug_failfast": boolize(os.environ.get("DFLOW_DEBUG_FAILFAST", False)),
+    "debug_save_copy_method": os.environ.get("DFLOW_DEBUG_SAVE_COPY_METHOD",
+                                             "symlink"),
 }
 
 
diff --git a/src/dflow/step.py b/src/dflow/step.py
index 8795be01..c912f1c6 100644
--- a/src/dflow/step.py
+++ b/src/dflow/step.py
@@ -2120,10 +2120,15 @@ def exec_pod(self, scope, parameters, item=None):
                         cwd, "..", config["debug_artifact_dir"], key)
 
                     def try_link(src, dst):
-                        if os.path.islink(dst):
+                        if os.path.islink(dst) or os.path.isfile(dst):
                             os.remove(dst)
                         try:
-                            os.symlink(src, dst)
+                            if config["debug_save_copy_method"] == "symlink":
+                                os.symlink(src, dst)
+                            elif config["debug_save_copy_method"] == "link":
+                                os.link(src, dst)
+                            elif config["debug_save_copy_method"] == "copy":
+                                shutil.copy2(src, dst)
                         except Exception:
                             pass
                     if os.path.isfile(path):