diff --git a/contracts/nameservice/NameService.sol b/contracts/nameservice/NameService.sol
index ac08c19..43534da 100644
--- a/contracts/nameservice/NameService.sol
+++ b/contracts/nameservice/NameService.sol
@@ -2,6 +2,8 @@
 pragma solidity ^0.8.0;
 
 contract Git3NameService {
+    event RegisterHub(string name, address hub);
+
     mapping(string => address) public nameHub;
     mapping(address => string) public hubName;
     mapping(string => address) public nameOwner;
@@ -22,6 +24,7 @@ contract Git3NameService {
         hubName[hub] = name;
         nameOwner[name] = msg.sender;
         nameList.push(name);
+        emit RegisterHub(name, hub);
     }
 
     function nameListLength() public view returns (uint256) {
@@ -34,6 +37,7 @@ contract Git3NameService {
     ) public onlyHubOwner(name) {
         nameHub[name] = hub;
         hubName[hub] = name;
+        emit RegisterHub(name, hub);
     }
 
     function transferNameOwner(
diff --git a/contracts/v3/Hubv3.sol b/contracts/v3/Hubv3.sol
index de35053..daec6a4 100644
--- a/contracts/v3/Hubv3.sol
+++ b/contracts/v3/Hubv3.sol
@@ -12,6 +12,9 @@ contract Hubv3 is AccessControlEnumerable, Initializable {
     using EnumerableSet for EnumerableSet.AddressSet;
     using Repolib for Repolib.BranchInfo;
 
+    event RepoCreated(bytes repoName, address owner);
+    event SetRepoRef(bytes repoName, bytes branchPath, bytes20 refHash);
+
     // Hub Info
     // bytes32 public constant CREATOR = bytes32(uint256(1));
     bytes32 public constant MANAGER = bytes32(uint256(1));
@@ -88,10 +91,13 @@ contract Hubv3 is AccessControlEnumerable, Initializable {
         return false;
     }
 
-    function getMembersByRole(bytes32 role) public view returns(address[] memory members){
+    function getMembersByRole(
+        bytes32 role
+    ) public view returns(address[] memory members){
+
         uint256 count = getRoleMemberCount(role);
         members = new address[](count);
-        for (uint i = 0; i < count; i++){
+        for (uint i = 0; i < count; i++) {
             members[i] = getRoleMember(role, i);
         }
     }
@@ -126,11 +132,8 @@ contract Hubv3 is AccessControlEnumerable, Initializable {
 
     // ===== repository operator functions======
 
-    function repoList() public view returns(string[] memory rn){
-        rn = new string[](repoNames.length);
-        for (uint i = 0; i <repoNames.length;i++){
-            rn[i] = string(repoNames[i]);
-        }
+    function repoList() public view returns (bytes[] memory rn) {
+        return repoNames;
     }
 
     //createRepository can be invoked by anyone within Hub
@@ -158,6 +161,7 @@ contract Hubv3 is AccessControlEnumerable, Initializable {
         repo.owner = _msgSender();
         repo.exist = true;
         repoNames.push(repoName);
+        emit RepoCreated(repoName, repo.owner);
     }
 
     function deleteRepo(bytes memory repoName) public {
@@ -241,6 +245,7 @@ contract Hubv3 is AccessControlEnumerable, Initializable {
             branchPath,
             refHash
         );
+        emit SetRepoRef(repoName, branchPath, refHash);
     }
 
     function getRepoRef(
@@ -285,16 +290,16 @@ contract Hubv3 is AccessControlEnumerable, Initializable {
         bytes memory path,
         bytes calldata data
     ) external payable {
-        return db.upload{value:msg.value}(repoName, path, data);
+        return db.upload{value: msg.value}(repoName, path, data);
     }
 
     function uploadChunk(
         bytes memory repoName,
         bytes memory path,
-        uint256  chunkId,
+        uint256 chunkId,
         bytes calldata data
     ) external payable {
-        return db.uploadChunk{value:msg.value}(repoName, path,chunkId, data);
+        return db.uploadChunk{value: msg.value}(repoName, path, chunkId, data);
     }
 
     function batchUpload(
diff --git a/contracts/v3/database/filecoin.sol b/contracts/v3/database/filecoin.sol
index 991f707..1379b75 100644
--- a/contracts/v3/database/filecoin.sol
+++ b/contracts/v3/database/filecoin.sol
@@ -24,12 +24,16 @@ contract filecoin is database {
         pathToHash[fullName] = data;
     }
 
-     function uploadChunk(
+    function uploadChunk(
         bytes memory repoName,
         bytes memory path,
         uint256 chunkId,
         bytes calldata data
     ) external payable override {
+        repoName;
+        path;
+        chunkId;
+        data;
         revert("unsupport uploadChunk");
     }
 }
diff --git a/scripts/deploy-ethstorage-v3.ts b/scripts/deploy-ethstorage-v3.ts
index 321d74d..faaa6c9 100644
--- a/scripts/deploy-ethstorage-v3.ts
+++ b/scripts/deploy-ethstorage-v3.ts
@@ -22,17 +22,17 @@ async function main() {
 
   await newHubReceipt.wait();
 
-  let createHubReceipt = await hubFac.createHub({ nonce: nonce });
-  nonce++;
+  // let createHubReceipt = await hubFac.createHub(false, { nonce: nonce });
+  // nonce++;
 
-  await createHubReceipt.wait();
+  // await createHubReceipt.wait();
 
-  let hubAddr = await hubFac.hubs(0);
-  let git3 = await ethers.getContractAt("Hubv3", hubAddr);
+  // let hubAddr = await hubFac.hubs(0);
+  // let git3 = await ethers.getContractAt("Hubv3", hubAddr);
 
   // console.log({logicReceipt,proxyReceipt});
   console.log("HubFactory Contract", hubFac.address);
-  console.log("Hub Contract", git3.address);
+  // console.log("Hub Contract", git3.address);
 }
 
 // We recommend this pattern to be able to use async/await everywhere
diff --git a/scripts/deploy-sli-v3.ts b/scripts/deploy-sli-v3.ts
index 75c5ee8..8fdb512 100644
--- a/scripts/deploy-sli-v3.ts
+++ b/scripts/deploy-sli-v3.ts
@@ -20,15 +20,15 @@ async function main() {
   let newHubReceipt = await hubFac.newHubImp({ nonce: nonce });
   nonce++;
 
-  let createHubReceipt = await hubFac.createHub({ nonce: nonce });
-  nonce++;
+  // let createHubReceipt = await hubFac.createHub(false, { nonce: nonce });
+  // nonce++;
 
-  let hubAddr = await hubFac.hubs(0);
-  let git3 = await ethers.getContractAt("Hubv3", hubAddr);
+  // let hubAddr = await hubFac.hubs(0);
+  // let git3 = await ethers.getContractAt("Hubv3", hubAddr);
 
   // console.log({logicReceipt,proxyReceipt});
   console.log("HubFactory Contract", hubFac.address);
-  console.log("Hub Contract", git3.address);
+  // console.log("Hub Contract", git3.address);
 }
 
 // We recommend this pattern to be able to use async/await everywhere