diff --git a/src/main/resources/alipay-sandbox.properties b/src/main/resources/alipay-sandbox.properties
index 39da6ab0..350f581c 100644
--- a/src/main/resources/alipay-sandbox.properties
+++ b/src/main/resources/alipay-sandbox.properties
@@ -42,9 +42,9 @@ alipayHK.merchantId=2088841167357411
 alipayHK.segmentId=1771653121
 #alipayHK.AESKey=uTEbeOZBgXKbSqGz
 alipayHK.AESKey=BwDWX4o7ORUxYwBNjRMAY2unnLkJeACj
-alipayHK.rsaPrivateKey=files/Code-Create Limited-2088841167357411-merchant.private.key.txt
-alipayHK.rsaPublicKey=files/Code-Create Limited.merchant.aqs.public.key.pem
-alipayHK.CODPublicKey=files/COD-public-key.txt
+alipayHK.rsaPrivateKey=\\files\\Code-Create Limited-2088841167357411-merchant.private.key.txt
+alipayHK.rsaPublicKey=\\files\\Code-Create Limited.merchant.aqs.public.key.pem
+alipayHK.CODPublicKey=\\files\\COD-public-key.txt
 alipayHK.api.url=https://aqs-api.sandbox-codpayment.com/