diff --git a/run.sh b/run.sh
index 165bbed..ac05743 100644
--- a/run.sh
+++ b/run.sh
@@ -4,7 +4,12 @@
 #rpc=https://api.mainnet-beta.solana.com
 
 # 定义RPC URL数组
-rpcurls=(https://prettiest-multi-scion.solana-mainnet.quiknode.pro/879eb32f3cd556cfff80973ff6a51b9e8b7a81ec/ https://silent-tiniest-diamond.solana-mainnet.quiknode.pro/fcef276a3d99aa044e9d7d7193aced24563de630/)
+rpcurls=(
+    "https://solana-mainnet.core.chainstack.com/b366b2ab269b22f4b6dd521c59079618"
+    "https://prettiest-multi-scion.solana-mainnet.quiknode.pro/879eb32f3cd556cfff80973ff6a51b9e8b7a81ec/" 
+    "https://silent-tiniest-diamond.solana-mainnet.quiknode.pro/fcef276a3d99aa044e9d7d7193aced24563de630/"
+    "https://api.mainnet-beta.solana.com"
+)
 
 for keypair in *.json; 
 do