[update] dashboard data single contract

models/hall_contract.py

@@ -153,10 +153,17 @@ class HallContract(models.Model):
     def _get_revenue_detail(self):
         if len(self) != 1:
             return False
+
+        today = fields.Date.today()
+        start = today.replace(day=1) - relativedelta(months=12)
+        end = today.replace(day=1)
         target_report_ids = self.env["hall.contract.target.report"].search(
             [
                 ("contract_id", "=", self.id),
+                ("day_date", ">=", start),
+                ("day_date", "<=", end),
             ],
+            order="day_date",
             limit=12,
         )
         return target_report_ids