diff --git a/package.json b/package.json
index 366048f..f8073eb 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,9 @@
     "prettier:fix": "prettier --write contracts/**/*.sol test/**/*.js scripts/**/*.js",
     "deploy": "npx hardhat run scripts/deploy.js --network sepolia",
     "deployL2Dev": "npx hardhat run scripts/deployL2.js --network qkc_devnet",
-    "deployL2Test": "npx hardhat run scripts/deployL2.js --network qkc_testnet"
+    "deployL2Test": "npx hardhat run scripts/deployL2.js --network qkc_testnet",
+    "deployL2ITDev": "npx hardhat run scripts/deployL2-it.js --network qkc_devnet",
+    "deployL2ITTest": "npx hardhat run scripts/deployL2-it.js --network qkc_testnet"
   },
   "workspaces": {
     "packages": [
diff --git a/scripts/deployL2-it.js b/scripts/deployL2-it.js
new file mode 100644
index 0000000..848b9c6
--- /dev/null
+++ b/scripts/deployL2-it.js
@@ -0,0 +1,151 @@
+const fs = require('fs');
+const hre = require("hardhat");
+const dotenv = require("dotenv")
+dotenv.config()
+
+
+let ownerAddress = null;
+let treasuryAddress = null;
+const adminContractAddr = "";
+const storageContractProxy = "";
+const gasPrice = null;
+
+const config = [
+  17, // maxKvSizeBits, 131072
+  32, // shardSizeBits ~ 4G
+  2, // randomChecks
+  7200, // cutoff = 2/3 * target internal (3 hours), 3 * 3600 * 2/3
+  32, // diffAdjDivisor
+  100, // treasuryShare, means 1%
+];
+const storageCost = 1500000000000000; // storageCost - 1,500,000Gwei forever per blob - https://ethresear.ch/t/ethstorage-scaling-ethereum-storage-via-l2-and-da/14223/6#incentivization-for-storing-m-physical-replicas-1
+const dcfFactor = 340282366367469178095360967382638002176n; // dcfFactor, it mean 0.95 for yearly discount
+
+async function verifyContract(contract, args) {
+  // if (!process.env.ETHERSCAN_API_KEY) {
+  //   return;
+  // }
+  // await hre.run("verify:verify", {
+  //   address: contract,
+  //   constructorArguments: args,
+  // });
+}
+
+async function deployContract() {
+  const startTime = Math.floor(new Date().getTime() / 1000);
+
+  const [deployer] = await hre.ethers.getSigners();
+  ownerAddress = deployer.address;
+  treasuryAddress = deployer.address;
+
+  const StorageContract = await hre.ethers.getContractFactory("EthStorageContractL2");
+  // refer to https://docs.google.com/spreadsheets/d/11DHhSang1UZxIFAKYw6_Qxxb-V40Wh1lsYjY2dbIP5k/edit#gid=0
+  const implContract = await StorageContract.deploy(
+    config,
+    startTime, // startTime
+    storageCost,
+    dcfFactor,
+    { gasPrice: gasPrice }
+  );
+  await implContract.deployed();
+  const impl = implContract.address;
+  console.log("storage impl address is ", impl);
+
+  const data = implContract.interface.encodeFunctionData("initialize", [
+    1572864, // minimumDiff 0.1 * 180 (3 minutes) * 1024 * 1024 / 12 = 1572864 for 0.1 replicas that can have 1M IOs in one epoch
+    24576000000000000000n, // prepaidAmount - 50% * 2^32 / 131072 * 1500000Gwei, it also means 3145 ETH for half of the shard
+    1048576, // nonceLimit 1024 * 1024 = 1M samples and finish sampling in 1.3s with IO rate 6144 MB/s: 4k * 2(random checks) / 6144 = 1.3s
+    treasuryAddress, // treasury
+    ownerAddress,
+  ]);
+  console.log(impl, ownerAddress, data);
+  const EthStorageUpgradeableProxy = await hre.ethers.getContractFactory("EthStorageUpgradeableProxy");
+  const ethStorageProxy = await EthStorageUpgradeableProxy.deploy(impl, ownerAddress, data, { gasPrice: gasPrice });
+  await ethStorageProxy.deployed();
+  const admin = await ethStorageProxy.admin();
+
+  console.log("storage admin address is ", admin);
+  console.log("storage contract address is ", ethStorageProxy.address);
+  const receipt = await hre.ethers.provider.getTransactionReceipt(ethStorageProxy.deployTransaction.hash);
+  console.log(
+    "deployed in block number",
+    receipt.blockNumber,
+    "at",
+    new Date().toLocaleTimeString([], { hour: "2-digit", minute: "2-digit", second: "2-digit" })
+  );
+
+  // fund 50 qkc into the storage contract to give reward for empty mining
+  const ethStorage = StorageContract.attach(ethStorageProxy.address);
+  const tx = await ethStorage.sendValue({ value: hre.ethers.utils.parseEther("50") });
+  await tx.wait();
+  console.log("balance of " + ethStorage.address, await hre.ethers.provider.getBalance(ethStorage.address));
+
+  // verify contract
+  await verifyContract(ethStorageProxy.address);
+  await verifyContract(impl, [config, startTime, storageCost, dcfFactor]);
+
+  // wait for contract finalized
+  var intervalId = setInterval(async function (){
+    try {
+      const block = await hre.ethers.provider.getBlock("finalized");
+      console.log(
+        "finalized block number is",
+        block.number,
+        "at",
+        new Date().toLocaleTimeString([], { hour: "2-digit", minute: "2-digit", second: "2-digit" })
+        );
+      if (receipt.blockNumber < block.number) {
+        fs.writeFileSync(".caddr", ethStorageProxy.address);
+        clearInterval(intervalId);
+      }
+    } catch (e) {
+      console.error(`EthStorage: get finalized block failed!`, e.message);g
+    }
+  }, 60000);
+}
+
+async function updateContract() {
+  const StorageContract = await hre.ethers.getContractFactory("EthStorageContractL2");
+
+  // get start time
+  const ethStorage = StorageContract.attach(storageContractProxy);
+  const startTime = await ethStorage.startTime();
+
+  // deploy
+  const implContract = await StorageContract.deploy(
+    config,
+    startTime, // startTime
+    storageCost,
+    dcfFactor,
+    { gasPrice: gasPrice }
+  );
+  await implContract.deployed();
+  const impl = implContract.address;
+  console.log("storage impl address is ", impl);
+
+  // set impl
+  const EthStorageAdmin = await hre.ethers.getContractAt("IProxyAdmin", adminContractAddr);
+  const tx = await EthStorageAdmin.upgradeAndCall(storageContractProxy, impl, "0x");
+  await tx.wait();
+  console.log("update contract success!");
+
+  // verify contract
+  await verifyContract(impl, [config, startTime, storageCost, dcfFactor]);
+}
+
+async function main() {
+  if (!storageContractProxy) {
+    // create
+    await deployContract();
+  } else {
+    // update
+    await updateContract();
+  }
+}
+
+// We recommend this pattern to be able to use async/await everywhere
+// and properly handle errors.
+main().catch((error) => {
+  console.error(error);
+  process.exitCode = 1;
+});