diff --git a/_data/chains/eip155-65.json b/_data/chains/eip155-65.json
index 967d2f6b..35811e0e 100644
--- a/_data/chains/eip155-65.json
+++ b/_data/chains/eip155-65.json
@@ -3,7 +3,7 @@
   "chain": "okexchain",
   "network": "testnet",
   "rpc": [
-    "https://exchaintest.okexcn.com"
+    "https://exchaintestrpc.okex.org"
   ],
   "faucets": ["https://www.okex.com/drawdex"],
   "nativeCurrency": {
@@ -15,4 +15,4 @@
   "shortName": "tokt",
   "chainId": 65,
   "networkId": 65
-}
\ No newline at end of file
+}
diff --git a/_data/chains/eip155-66.json b/_data/chains/eip155-66.json
index 911a1cc9..f3046cb5 100644
--- a/_data/chains/eip155-66.json
+++ b/_data/chains/eip155-66.json
@@ -3,7 +3,7 @@
   "chain": "okexchain",
   "network": "mainnet",
   "rpc": [
-    "https://exchain.okexcn.com"
+    "https://exchainrpc.okex.org"
   ],
   "faucets": [],
   "nativeCurrency": {
@@ -15,4 +15,4 @@
   "shortName": "okt",
   "chainId": 66,
   "networkId": 66
-}
\ No newline at end of file
+}