diff --git a/netforce_clinic/models/setting.py b/netforce_clinic/models/setting.py
index e8ebaa2..d051964 100644
--- a/netforce_clinic/models/setting.py
+++ b/netforce_clinic/models/setting.py
@@ -164,9 +164,13 @@ class ClinicSetting(Model):
         if user_id !=1:
             print("Only admin!!")
             return
-        obj=self.browse(ids)[0]
-        obj.merge_staff()
-        print("Done!")
+        sql=''
+        for hdcase in get_model("clinic.hd.case").search_browse([]):
+            for invoice in hdcase.invoices:
+                print(hdcase.date,' ---> ', invoice.due_date)
+                sql+="update account_invoice set due_date='%s' where id=%s;"%(hdcase.date,invoice.id)
+        db=get_connection()
+        db.execute(sql)
 
     def merge_staff(self,ids,context={}):
         user_id=get_active_user()