diff --git a/GetCoinInfo.py b/GetCoinInfo.py
index 6f244b1..cba47ce 100644
--- a/GetCoinInfo.py
+++ b/GetCoinInfo.py
@@ -14,8 +14,8 @@ def GetCoinInfo(coin, settle):
 
 
 # 示例参数
-coin = "btc"
-settle = "usdt"
+coin = "BTC"
+settle = "USDT"
 
 # 发送请求
 CoinInfo = GetCoinInfo(coin, settle)