diff --git a/documents/donation.md b/documents/donation.md
index 9c0ac43..a506114 100644
--- a/documents/donation.md
+++ b/documents/donation.md
@@ -2,28 +2,28 @@
 ```
 bc1qflsdc58mn5srpwl6tzkyatepgtmgcemtqfsdpr
 ```
-<img src="https://raw.githubusercontent.com/mack-a/v2ray-agent/master/fodder/donation/bitcoin .jpg" width=700>
+<img src="https://raw.githubusercontent.com/mack-a/v2ray-agent/master/fodder/donation/bitcoin.png" width=700>
 
 - BTH
 ```
 bitcoincash:qp7nm03vncclnadd03fk0wwt7ungkzqejykzggagjv
 ```
-<img src="https://raw.githubusercontent.com/mack-a/v2ray-agent/master/fodder/donation/bitcoin_cash.jpg" width=700>
+<img src="https://raw.githubusercontent.com/mack-a/v2ray-agent/master/fodder/donation/bitcoin_cash.png" width=700>
 
 - ETH
 ```
 0xE18f0dA3965143d44C4C9a94CEe57BE7bA147C72
 ```
-<img src="https://raw.githubusercontent.com/mack-a/v2ray-agent/master/fodder/donation/ethereum.jpg" width=700>
+<img src="https://raw.githubusercontent.com/mack-a/v2ray-agent/master/fodder/donation/ethereum.png" width=700>
 
 - XRP
 ```
 rHKN7V3P3rtJpcZ8vBHiWU6MWtjM7kMnyd
 ```
-<img src="https://raw.githubusercontent.com/mack-a/v2ray-agent/master/fodder/donation/XRP.jpg" width=700>
+<img src="https://raw.githubusercontent.com/mack-a/v2ray-agent/master/fodder/donation/XRP.png" width=700>
 
 - dogecoin
 ```
 DPi9RPBUQYYt5veukDZ4UAmhjqEvUxVwVV
 ```
-<img src="https://raw.githubusercontent.com/mack-a/v2ray-agent/master/fodder/donation/dogecoin.jpg" width=700>
+<img src="https://raw.githubusercontent.com/mack-a/v2ray-agent/master/fodder/donation/dogecoin.png" width=700>