diff --git a/app/repositories/bill_delay.py b/app/repositories/bill_delay.py
index 0e54ee4..0f1bbe3 100644
--- a/app/repositories/bill_delay.py
+++ b/app/repositories/bill_delay.py
@@ -52,6 +52,8 @@ class BillDelayRepository(BaseRepository):
             all_total += coding.extra_new_work
         if coding.other:
             all_total += coding.other
+        if coding.overlapping:
+            all_total -= coding.overlapping
         if all_total:
             coding.total_day = all_total
         return coding