diff --git a/README.md b/README.md
index f9ca914..2b807b3 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,8 @@ This project demonstrates a basic Hardhat use case. It comes with a sample contr
 Try running some of the following tasks:
 
 ```shell
+cp demo.config.ts local.config.ts
+
 npx hardhat help
 npx hardhat test
 REPORT_GAS=true npx hardhat test
diff --git a/contracts/Git3.sol b/contracts/Git3.sol
index cc2d5e7..3d3364c 100644
--- a/contracts/Git3.sol
+++ b/contracts/Git3.sol
@@ -38,6 +38,37 @@ contract Git3 is LargeStorageManager {
         _;
     }
 
+    function createRepo(bytes memory repoName) external {
+        require(
+            repoName.length > 0 && repoName.length <= 100,
+            "RepoName length must be 1-100"
+        );
+        for (uint i; i < repoName.length; i++) {
+            bytes1 char = repoName[i];
+            require(
+                (char >= 0x61 && char <= 0x7A) || //a-z
+                    (char >= 0x41 && char <= 0x5A) || //A-Z
+                    (char >= 0x30 && char <= 0x39) || //0-9
+                    (char == 0x2D || char == 0x2E || char == 0x5F), //-._
+                "RepoName must be alphanumeric or -._"
+            );
+        }
+
+        require(
+            repoNameToOwner[repoName] == address(0),
+            "RepoName already exist"
+        );
+        repoNameToOwner[repoName] = msg.sender;
+    }
+
+    function transferOwnership(bytes memory repoName, address newOwner)
+        external
+        onlyOwner(repoName)
+    {
+        require(newOwner != address(0), "newOwner must not be zero address");
+        repoNameToOwner[repoName] = newOwner;
+    }
+
     function stakeTokens(
         bytes memory repoName,
         bytes memory path
@@ -64,29 +95,6 @@ contract Git3 is LargeStorageManager {
         return _get(keccak256(bytes.concat(repoName, "/", path)));
     }
 
-    function createRepo(bytes memory repoName) external {
-        require(
-            repoName.length > 0 && repoName.length <= 100,
-            "RepoName length must be 1-100"
-        );
-        for (uint i; i < repoName.length; i++) {
-            bytes1 char = repoName[i];
-            require(
-                (char >= 0x61 && char <= 0x7A) || //a-z
-                    (char >= 0x41 && char <= 0x5A) || //A-Z
-                    (char >= 0x30 && char <= 0x39) || //0-9
-                    (char == 0x2D || char == 0x2E || char == 0x5F), //-._
-                "RepoName must be alphanumeric or -._"
-            );
-        }
-
-        require(
-            repoNameToOwner[repoName] == address(0),
-            "RepoName already exist"
-        );
-        repoNameToOwner[repoName] = msg.sender;
-    }
-
     function upload(
         bytes memory repoName,
         bytes memory path,
diff --git a/local.config b/local.config
deleted file mode 100644
index e69de29..0000000
diff --git a/test/git3-test.js b/test/git3-test.js
index 7cdac86..66afdce 100644
--- a/test/git3-test.js
+++ b/test/git3-test.js
@@ -200,8 +200,8 @@ describe("Git3 Test", function () {
     const repoName = Buffer.from("test");
     await git3.createRepo(repoName);
 
-    stakeNum1 = ETH;
-    stakeNum2 = ToBig(2).mul(ETH);
+    let stakeNum1 = ETH;
+    let stakeNum2 = ToBig(2).mul(ETH);
 
     let data0 = Array.from({ length: 1024 }, () =>
       Math.floor(Math.random() * 256)
diff --git a/test/test-create.ts b/test/test-create.ts
new file mode 100644
index 0000000..b41f408
--- /dev/null
+++ b/test/test-create.ts
@@ -0,0 +1,27 @@
+import hre from "hardhat";
+const { ethers } = hre;
+import fs from "fs";
+
+async function main() {
+    const accounts = await ethers.getSigners();
+    console.log(accounts[0].address);
+
+    const Git3 = await hre.ethers.getContractAt(
+        "Git3",
+        "0x0068bD3ec8D16402690C1Eddff06ACb913A209ef"
+    );
+    let rept
+    let owner = await Git3.repoNameToOwner(Buffer.from("helloworld1"))
+    console.log(owner)
+    // return
+    rept = await Git3.createRepo(Buffer.from("helloworld1"))
+    console.log("rept", "https://explorer.galileo.web3q.io/tx/" + rept.hash);
+
+    // rept = await Git3.transferOwnership(Buffer.from("helloworld"), "0x1eD9c2F6814eA5225Bb78f2F2CA802Ded120077A")
+    // console.log("rept", "https://explorer.galileo.web3q.io/tx/" + rept.hash)
+}
+
+main().catch((error) => {
+    console.error(error);
+    process.exit(1);
+});
diff --git a/test/test-up.ts b/test/test-up.ts
index 95771f2..8947447 100644
--- a/test/test-up.ts
+++ b/test/test-up.ts
@@ -10,13 +10,6 @@ async function main() {
     "Git3",
     "0xa709975Bc01e745432f8898499E7b9a60f420117"
   );
-  let storageManager = await Git3.storageManager();
-  console.log("storageManager", storageManager);
-
-  const flat = await hre.ethers.getContractAt("FlatDirectory", storageManager);
-  let owner = await flat.owner();
-  console.log("owner", owner);
-  return;
 
   let file = fs.readFileSync("test/git3.png");