diff --git a/accounting/accounting.py b/accounting/accounting.py
new file mode 100644
index 0000000..5ca518d
--- /dev/null
+++ b/accounting/accounting.py
@@ -0,0 +1,48 @@
+from appPublic.registerfunction import RegisterFunction
+from appPublic.dictOBject import DictObject
+from appPublic.log import debug, exception, error
+from accounting_config import AccountingOrgs
+
+"""
+We use Biz module's function to get inner provider and its sellprice, and product cost
+We use platform biz module to get pay_fee, and trans_fee amount by transamt
+
+async bz_get_transfee(sor, transamt:float) -> float:
+async bz_get_pay_fee(sor, resellerid, transamt:float) -> float:
+async bz_get_inner_provider(sor, resellerid, productid, transamt) ->list of iobject with key in (resellerid, productid, transamt, purchase_cost)
+"""
+
+async def bay_accouting(sor, actname, 
+						orderid, 
+						customerid,
+						resellerid,
+						productid,
+						unitprice,
+						quantity,
+						transamt):
+	rf = RegisterFunction()
+	f = rf.get('bz_get_transfee')
+	if f is None:
+		e = Exception(f'fucntion "bz_get_transfee" not registed')
+		raise e
+	transfee = await f(sor, resellerid, transamt)
+	resellers = await bz_get_inner_provider(sor, resellerid, productid, transamt)
+	par = []
+	for i, reseller in enumerate(resellers):
+		env = DictOBject(**{
+			'actname':actname,
+			'orderid':orderid,
+			'customerid':customerid,
+			'productid':reseller.productid,
+			'resellerid':resellerid,
+			'交易费': 0 if i>0 else transfee,
+			'交易金额':reseller.transamt,
+			'进货成本':reseller.purchase_cost,
+			'accounting_rule':[
+			]
+		})
+
+		ac = AccountingOrgs(env.copy())
+		ac.do_accounting(sor)
+
+	PlatformAccount(
diff --git a/accounting/accounting_config.py b/accounting/accounting_config.py
index e19dd08..2b65715 100644
--- a/accounting/accounting_config.py
+++ b/accounting/accounting_config.py
@@ -27,11 +27,9 @@ class AccountingOrgs:
 	def __init__(self, caller, 
 					accounting_orgid, 
 					customerid,
-					dbname=DBNAME,
 					resellerid=None
 	): 
 		self.caller = caller
-		self.dbname = dbname
 		self.curdate = caller.curdate
 		self.realtimesettled = False
 		self.curdte = caller.curdate
diff --git a/docs/平台类系统记账子系统.docx b/docs/平台类系统记账子系统.docx
index 7ea76d4..850c96f 100644
Binary files a/docs/平台类系统记账子系统.docx and b/docs/平台类系统记账子系统.docx differ