diff --git a/handler.bas b/handler.bas
index 3f14e4b..e65550c 100644
--- a/handler.bas
+++ b/handler.bas
@@ -388,14 +388,10 @@ Sub month_tosheet(ByRef pkg() As Variant, ByRef basket() As Variant)
             End If
             
             '--adjust--
-            If co_num(pkg(i, 3), 0) = 0 Then
+            If (pkg(i, 3) + pkg(i, 2)) = 0 Then
                 sh.Cells(i + 1, 8) = 0
             Else
-                If (pkg(i, 3) + pkg(i, 2)) = 0 Then
-                    sh.Cells(i + 1, 8) = 0
-                Else
-                    sh.Cells(i + 1, 8) = (pkg(i, 7) + pkg(i, 6)) / (pkg(i, 3) + pkg(i, 2)) - (pkg(i, 6) / pkg(i, 2))
-                End If
+                sh.Cells(i + 1, 8) = (pkg(i, 7) + pkg(i, 6)) / (pkg(i, 3) + pkg(i, 2)) - (pkg(i, 6) / pkg(i, 2))
             End If
             
             '--current adjust--