diff --git a/main.py b/main.py
index 3819fb9..5d4e263 100644
--- a/main.py
+++ b/main.py
@@ -280,7 +280,10 @@ for index, row in BaseData.iterrows():
                 if hrow["变动原因"] == "两年晋档":
                     History_pd.at[index, "级别档次"] = f"{jb}-{dc+1}"
                 elif hrow["变动原因"] == "五年晋级":
-                    History_pd.at[index, "级别档次"] = f"{jb-1}-{dc-1}"
+                    if jb-1 < 1 or jb-1 < role_limit(History_pd.iloc[index]["职务"]):
+                        History_pd.at[index, "级别档次"] = f"{jb}-{dc+1}"
+                    else:
+                        History_pd.at[index, "级别档次"] = f"{jb-1}-{dc-1}"
                 elif hrow["变动原因"] == "工资调标":
                     History_pd.at[index, "级别档次"] = f"{jb}-{dc}"
                 elif hrow["变动原因"] == "晋升":