diff --git a/wwwroot/billing.dspy b/wwwroot/billing.dspy
index 72d25f3..0d6cfea 100644
--- a/wwwroot/billing.dspy
+++ b/wwwroot/billing.dspy
@@ -32,7 +32,8 @@ where a.orgid = ${orgid}$
 	stats_sql = """select 
 		count(*) as total_count,
 		coalesce(sum(case when d.acc_dir = '1' then d.amount else 0 end), 0) as debit_sum,
-		coalesce(sum(case when d.acc_dir = '0' then d.amount else 0 end), 0) as credit_sum
+		coalesce(sum(case when d.acc_dir = '0' then d.amount else 0 end), 0) as credit_sum,
+		min(d.acc_date) as acc_date
 from acc_detail d
 join account a on d.accountid = a.id COLLATE utf8mb4_unicode_ci
 where a.orgid = ${orgid}$