diff --git a/attendancebook_template.xlsx b/attendancebook_template.xlsx
index 4490ec2..1374deb 100644
--- a/attendancebook_template.xlsx
+++ b/attendancebook_template.xlsx
Binary files differ
diff --git a/call.cgi b/call.cgi
index 0d699eb..5d8e3fe 100755
--- a/call.cgi
+++ b/call.cgi
@@ -34,8 +34,8 @@
             return "%s-K%02d" % (prefix, ip[3]-220)
         else: return ip_str
 
-fr =  datetime.strptime(form["date"].value + " " + form["from"].value, "%Y %m %d %H:%M")
-to =  datetime.strptime(form["date"].value + " " + form["to"].value, "%Y %m %d %H:%M")
+fr =  datetime.strptime(form["date"].value + " " + form["from"].value, "%Y/%m/%d %H:%M")
+to =  datetime.strptime(form["date"].value + " " + form["to"].value, "%Y/%m/%d %H:%M")
 
 tail = fr + timedelta(7) # a week after
 lower  = "access_log-%04d%02d%02d"%(fr.year, fr.month, fr.day)