diff --git a/pricing/pricing.py b/pricing/pricing.py
index df5da92..06cbe16 100644
--- a/pricing/pricing.py
+++ b/pricing/pricing.py
@@ -974,7 +974,9 @@ async def get_pricing_program_timeing(pptid):
 
 async def test_pricing(pptid, data):
 	ppt = await get_pricing_program_timeing(pptid)
-	prices = PricingProgram.get_pricing_from_ymalstr(data, ppt.pricing_data)
+	# ppt.pricing_data 已被 ppt_db2app 解析为 dict，需要转回 YAML 字符串
+	yamlstr = yaml.dump(ppt.pricing_data, allow_unicode=True) if isinstance(ppt.pricing_data, dict) else ppt.pricing_data
+	prices = PricingProgram.get_pricing_from_ymalstr(data, yamlstr)
 	if prices is None:
 		return None
 	amount = 0