diff --git a/config/kovan-config.js b/config/kovan-config.js
index 1e0f4d6..062f386 100644
--- a/config/kovan-config.js
+++ b/config/kovan-config.js
@@ -62,16 +62,16 @@ module.exports = {
 
 
         //================== NFT ====================
-        Fragment: "",
-        NFTCollateralVault: "",
-        DODONFTRouteHelper: "",
+        Fragment: "0x446014c6060ea7DE7DD9Ce3B8026a50c74F9B7eD",
+        NFTCollateralVault: "0xBC57c99df21E306bEf61251aa068F46686F057AF",
+        DODONFTRouteHelper: "0xDD1511f2Bcdb0E6F916F9740BF83f31dF0fb63b4",
 
         InitializableERC721: "0x62dC4615AC755959a82b6D22FA5652A037284c0b",
-        InitializableERC1155: "0xfa391c0Ed6898e0C6186605d69e877f1317Bb506",
-        NFTTokenFactory: "0xdeBB45aCffF3b5e610C1EdF45DFaaea0030EAdaF",
+        InitializableERC1155: "0xc4d86FFB26EB6EcAe80D3f1e2c8519832Fd478B2",
+        NFTTokenFactory: "0x834D13Ca0322Ccfe67596f09Cc26Ee3584297B94",
 
-        DODONFTRegistry: "",
-        DODONFTProxy: "",
+        DODONFTRegistry: "0x579eBcC668b5517F733587091C35D495FE8d6b68",
+        DODONFTProxy: "0x649CFCC1713Cb7f4866DcAF0FAD52903a3902373",
 
         //================= MysteryBox =================
         MysteryBoxV1: "0x47d2b27525b93A9c9E03001E1D19310A08748D55",
diff --git a/contracts/GeneralizedFragment/impl/Fragment.sol b/contracts/GeneralizedFragment/impl/Fragment.sol
index 9314031..07bac56 100644
--- a/contracts/GeneralizedFragment/impl/Fragment.sol
+++ b/contracts/GeneralizedFragment/impl/Fragment.sol
@@ -23,7 +23,6 @@ contract Fragment is InitializableERC20 {
     // ============ Storage ============
     
     bool public _IS_BUYOUT_;
-    bool public _IS_OPEN_BUYOUT_;
     uint256 public _BUYOUT_TIMESTAMP_;
     uint256 public _BUYOUT_PRICE_;
     uint256 public _DEFAULT_BUYOUT_FEE_;
diff --git a/deploy-nft.txt b/deploy-nft.txt
index 0475ee9..bd334b7 100644
--- a/deploy-nft.txt
+++ b/deploy-nft.txt
@@ -255,3 +255,20 @@ Deploy time: 2021/5/6 上午9:45:28
 Deploy type: MysteryBoxV1
 MysteryBoxV1Address:  0x47d2b27525b93A9c9E03001E1D19310A08748D55
 Init MysteryBoxV1 Tx: 0xa76bca56c6974b8760390e3b5181ef5e01fa3254aa868eebb4e285d617f835fc
+====================================================
+network type: kovan
+Deploy time: 2021/5/7 上午10:15:58
+Deploy type: NFT
+multiSigAddress:  0x7e83d9d94837eE82F0cc18a691da6f42F03F1d86
+ERC1155Address:  0xc4d86FFB26EB6EcAe80D3f1e2c8519832Fd478B2
+NFTTokenFactoryAddress:  0x834D13Ca0322Ccfe67596f09Cc26Ee3584297B94
+DODONFTRegistryAddress:  0x579eBcC668b5517F733587091C35D495FE8d6b68
+Init DODONFTRegistryAddress Tx: 0x7d38680e12e2a9e71f89df57e17b93f690f38553a4b2e4b64fe430f1d42a34f3
+DODONFTRouteHelperAddress:  0xDD1511f2Bcdb0E6F916F9740BF83f31dF0fb63b4
+NFTCollateralVaultAddress:  0xBC57c99df21E306bEf61251aa068F46686F057AF
+FragmentAddress:  0x446014c6060ea7DE7DD9Ce3B8026a50c74F9B7eD
+DODONFTProxyAddress:  0x649CFCC1713Cb7f4866DcAF0FAD52903a3902373
+Init DODONFTProxyAddress Tx: 0x017a2006bd347a361bc598b2b19198fa32bf616ffe95640030e5992ab1f2d8eb
+DODOApproveProxy unlockAddProxy tx:  0xb2de58e227a7792cf40d5082a27f4d48967d5c50162009c833c6cdfc20439c18
+DODOApproveProxy addDODOProxy tx:  0xebdfacca787f8df90f4eb69d7c200b55acf634b2e3e0f79607071c84b3d910cf
+Add AdminList on DODONFTRegistry Tx: 0xc29f81fa10e41e5e3bc6625b05838462741aae646e7b238669a661793661e6c9