diff --git a/Platform/供应商付款/ℹINFO.md b/Platform/供应商付款/ℹINFO.md
index ef21e44..01b8d87 100644
--- a/Platform/供应商付款/ℹINFO.md
+++ b/Platform/供应商付款/ℹINFO.md
@@ -1,7 +1,7 @@
 ---
 date created: 2022-11-04 Fri
 date updated: 2022-12-07 10:40 Wed
-_Updated_: 2023-02-01 11:21 Wed
+_Updated_: 2023-02-10 10:57 Fri
 ---
 
 #📑docs
@@ -14,7 +14,7 @@ $web\_settlement = transaction\_amount- commission$
 %%
 
 ```
-profit_margin = profit / web_settlement
+profit_margin = profit ÷ web_settlement
 web_settlement = transaction_amount - commission
 ```
 
@@ -42,6 +42,7 @@ web_settlement = transaction_amount - commission
 | 5              | 应付帐款       |
 | 6              | 现金         |
 | 7              | 利润         |
+| 10             | 成本 - 手续费   |
 
 # 财务科账户