diff --git a/pricing/pricing.py b/pricing/pricing.py
index f0ca7dd..af41c0b 100644
--- a/pricing/pricing.py
+++ b/pricing/pricing.py
@@ -270,6 +270,7 @@ where a.id = b.ppid
 	def get_pricing_from_ymalstr(config_data, yamlstr):
 		"""
 		yamlstr是从
+		"""
 		d = None
 		try:
 			d = yaml.safe_load(yamlstr)