diff --git a/src/workflow.py b/src/workflow.py
index 4c94c29..1b777c9 100644
--- a/src/workflow.py
+++ b/src/workflow.py
@@ -155,6 +155,10 @@ class Workflow:
                             shutil.copy(os.path.join(prod_dir, "nep.txt"), os.path.join(md_subdir, "nep.txt"))
                             # 复制 run.in，虽然 302 可能已经生成了 run_1.in 等，但为了保险或用户习惯，我们也拷进去
                             shutil.copy(os.path.join(prod_dir, "run.in"), os.path.join(md_subdir, "run.in"))
+                            shutil.copy(os.path.join(prod_dir, "run.in"), os.path.join(md_subdir, "run_1.in"))
+                            shutil.copy(os.path.join(prod_dir, "run.in"), os.path.join(md_subdir, "run_2.in"))
+                            shutil.copy(os.path.join(prod_dir, "run.in"), os.path.join(md_subdir, "run_3.in"))
+                            shutil.copy(os.path.join(prod_dir, "run.in"), os.path.join(md_subdir, "run_4.in"))
                         else:
                             self.logger.error("'md' folder was not created by 302 command.")
                             return