diff --git a/main.lua b/main.lua
index fed59801..ce5d44f9 100644
--- a/main.lua
+++ b/main.lua
@@ -446,7 +446,6 @@ do
         if RANKS.tsd_u then
             RANKS.tsd_u=0
         end
-        needSave=true
     end
     if STAT.version==1601 then
         RANKS.round_e=nil
@@ -460,6 +459,10 @@ do
         fs.remove('record/round_l.rec')
         fs.remove('record/round_u.rec')
     end
+    if STAT.version<1700 and SETTING.dascut<5 then
+        SETTING.dascut=SETTING.dascut+1
+        needSave=true
+    end
     if RANKS.stack_e then
         RANKS.stack_e=nil
         RANKS.stack_h=nil