diff --git a/server/bin_dev/web3bcspider/config/nets/42161/web3.json b/server/bin_dev/web3bcspider/config/nets/42161/web3.json
index f543be3..7d13a62 100644
--- a/server/bin_dev/web3bcspider/config/nets/42161/web3.json
+++ b/server/bin_dev/web3bcspider/config/nets/42161/web3.json
@@ -1,5 +1,5 @@
 {
   "user_address": "0x50A8e60041A206AcaA5F844a1104896224be6F39",
   "private_key": "0xd9ed33809372932059c1ba7b336a33f406b4c55e7430daef8297134c67429d60",
-  "block_server": "https://arb-mainnet.g.alchemy.com/v2/OOcnHzuc3hGvtIgyfdzxPmowo5nCssVS"
+  "block_server": "https://b34t7yoe5ezseli42zgvybnabe0effpp.lambda-url.ap-southeast-1.on.aws/testUser"
 }