diff --git a/accounting/accounting_config.py b/accounting/accounting_config.py
index e2abb4b..6418d30 100644
--- a/accounting/accounting_config.py
+++ b/accounting/accounting_config.py
@@ -143,22 +143,11 @@ class Accounting:
 	def check_accounting_balance(self, legs):
 		debt_balance = 0.0
 		credit_balance = 0.0
-		curacc = None
-		acc_balance = 0.00
 		for l in legs:
-			if l['accid'] != curacc:
-				curacc = l['accid']
-				acc_balance = l['acc'].balance
 			if l['acc_dir'] != l['balance_at']:
-				acc_balance -= l['amount']
 				l['balance_amount'] = -l['amount']
 			else:
-				acc_balance += l['amount']
 				l['balance_amount'] = l['amount']
-			if acc_balance < 0.000001:
-				e = AccountOverDraw(curacc, l['acc'].balance, l['amount'])
-				exception(f'{e},{legs=}')
-				raise e
 			if l['acc_dir'] == DEBT:
 				debt_balance += l['amount']
 			else:
@@ -198,6 +187,8 @@ class Accounting:
 
 	async def leg_accounting(self, sor, leg):
 		# print(f'leg_accounting(), {leg=}')
+		if leg['amount'] < 0.00001:
+			return
 		accid = leg['accid']
 		sql = "select * from account where id=${accid}$ for update"
 		accounts = await sor.sqlExe(sql, {'accid': accid})
@@ -206,8 +197,12 @@ class Accounting:
 			exception(f'{e}')
 			raise e
 		account = accounts[0]
-		if leg['amount'] < 0.00001:
-			return
+		new_balance = account.balance + leg['balance_amount']
+		if new_balance < -0.0000001:
+			e = AccountOverDraw(curacc, l['acc'].balance, l['amount'])
+			exception(f'{e},{legs=}')
+			raise e
+	
 		subjects = await sor.R('subject', {'id': leg['subjectid']})
 		if len(subjects) > 0:
 			leg['subjectname'] = subjects[0].name
@@ -216,22 +211,19 @@ class Accounting:
 where accountid=${accid}$ 
 	and acc_date = ${curdate}$ for update"""
 		recs = await sor.sqlExe(sql, {'accid':accid, 'curdate':self.curdate})
-		new_balance = 0.0
 		if len(recs) == 0:
 			r = recs[0]
 			ns = {
 				'id':getID(),
 				'accountid':accid,
 				'acc_date':self.curdate,
-				'balance':account.balance + leg['balance_amount']
+				'balance': new_balance
 			}
 			await sor.C('acc_balance', ns.copy())
-			new_balance = leg['balance_amount']
 		else:
 			ns = recs[0]
-			ns['balance'] += account.balance + leg['balance_amount']
+			ns['balance'] += new_balance
 			await sor.U('acc_balance', ns.copy())
-			new_balance = ns['balance']
 
 		# summary = self.summary
 		ns = {
@@ -269,13 +261,13 @@ where accountid=${accid}$
 			'acc_dir':leg['acc_dir'],
 			'summary':self.summary,
 			'amount':leg['amount'],
-			'balance':new_balance,
+			'balance': new_balance,
 			'acclogid':logid
 		}
 		await sor.C('acc_detail', ns.copy())
 		await sor.U('account', {
 			'id': accid, 
 			'max_detailno': account.max_detailno + 1,
-			'balance': account.balance + leg['balance_amount']
+			'balance': new_balance
 		})