diff --git a/models/pricing_item.xlsx b/models/pricing_item.xlsx
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diff --git a/models/pricing_program.xlsx b/models/pricing_program.xlsx
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diff --git a/models/pricing_spec.xlsx b/models/pricing_spec.xlsx
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diff --git a/models/pricing_type.xlsx b/models/pricing_type.xlsx
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diff --git a/pricing/__init__.py b/pricing/__init__.py
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diff --git a/pricing/init.py b/pricing/init.py
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index 0000000..e69de29
diff --git a/pricing/pricing.py b/pricing/pricing.py
new file mode 100644
index 0000000..27b2f86
--- /dev/null
+++ b/pricing/pricing.py
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+
+class PricingType:
+	
+
+class PricingProgram
+	def __init__(self, ppid, sor):
+		self.ppid = ppid
+		self.sor = sor
+
+	async def init(self):
+		await self.get_program()
+		await self.get_pricing_type(self.ptid)
+
+	async def get_program():
+		recs = await self.sor.R('pricing_program', {'id': self.ppid})
+		if len(recs):
+			self.__dict__.update(recs[0])
+
+	async def get_pricing_type(self, ptid):
+		self.pricing_type = await self.sor.R('pricing_type', 
+								{'id': ptid})
+
+	async def get_items(self):
+		recs = await self.sor.R('program_item', {'ppid': self.id})
+		return recs
+
+	async def get_spec(self, psid):
+		recs = await self.sor.R('program_spec', {'id', psid})
+		return recs
+
+pricing_program_charging(sor, pricing_program_id, data):
+	pp = PricingProgram(pricing_program_id)
+	await pp.init()
+	pp_items = pp.get_items()
+	specs = pt.get_spec()
+	charges = []
+	for item in pp_items:
+		charge = item.copy()
+		spec = await pp.get_spec(item.psid)
+		d = data.get(spec.spec_name)
+		if d is None:
+			continue
+		cnt = data.get(spec.count_name, 1)
+		if spec.pricing_spec_mode == 'spec_name':
+			if d == item.spec_value:
+				charge.amount = item.pricing_amount * cnt
+				charges.append(charge)
+		elif spec.pricing_spec_mode == 'spec_amount':
+			if charge.pricing_unit is None or charge.pricing_unit < 1:
+				charge.pricing_unit = 1
+			charge.amount = d * charge_amount / charge.pricing_unit
+			charges.append(charge)
+		elif spec.pricing_spec_mode == 'remote_pricing':
+			charge.amount = await get_remote_pricing(charge.uappid, 
+								charge.apiname, params=d)
+			charges.append(charge)
+		elif spec.pricing_spec_mode == 'sub_pricing':
+			sub_charges = await pricing_program_chargeing(self.sor,
+								charge.subppid, d)
+			charges += sub_charges
+	
+	return charges
+
diff --git a/pyproject.toml b/pyproject.toml
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--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,4 @@
+[build-system]
+requires = ["setuptools>=61", "wheel"]
+build-backend = "setuptools.build_meta"
+
diff --git a/setup.cfg b/setup.cfg
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index 0000000..59ae3c6
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,15 @@
+[metadata]
+name=pricing
+version = 0.0.1
+description = A pricing module for online store
+author = "yu moqing"
+author_email = "yumoqing@gmail.com"
+readme = "README.md"
+license = "MIT"
+[options]
+packages = find:
+requires_python = ">=3.8"
+install_requires = 
+	apppublic
+	ahserver
+	sqlor