diff --git a/deploy/6_deploy_gameitem_mall.ts b/deploy/6_deploy_gameitem_mall.ts
index 9b86d53..775964e 100644
--- a/deploy/6_deploy_gameitem_mall.ts
+++ b/deploy/6_deploy_gameitem_mall.ts
@@ -22,6 +22,10 @@ const deployNFTClaim: DeployFunction =
       address: ret.address,
       network: hre.network.name,
     });
+    await hre.run("verify:verify", {
+      address: ret.address,
+      constructorArguments: [paymentTokens[0], mallFeeAddress, verifier, 3600],
+    });
   };
 
   deployNFTClaim.tags = ["GameItemMall"];
diff --git a/deploy/7_deploy_tokenclaim.ts b/deploy/7_deploy_tokenclaim.ts
index 72fd723..bc8edec 100644
--- a/deploy/7_deploy_tokenclaim.ts
+++ b/deploy/7_deploy_tokenclaim.ts
@@ -22,6 +22,11 @@ const deployNFTClaim: DeployFunction =
       address: ret.address,
       network: hre.network.name,
     });
+    // verify the contract
+    await hre.run("verify:verify", {
+      address: ret.address,
+      constructorArguments: [mallFeeAddress, paymentTokens[0], verifier, 3600],
+    });
   };
 
   deployNFTClaim.tags = ["TokenClaim"];
diff --git a/deployments/imtbl_test/GameItemMall.json b/deployments/imtbl_test/GameItemMall.json
index e28ca17..1e491a0 100644
--- a/deployments/imtbl_test/GameItemMall.json
+++ b/deployments/imtbl_test/GameItemMall.json
@@ -1,5 +1,5 @@
 {
-  "address": "0xAbE8CCCd52840cd4a77B0C46DaD46bC628f8018D",
+  "address": "0x2B656F1c485913577461e06bbf5adC999BC7743B",
   "abi": [
     {
       "inputs": [
@@ -488,22 +488,22 @@
       "type": "function"
     }
   ],
-  "transactionHash": "0xcf7d147b727ead41323e90c0f53944319e1f8f2f242ca5fa6388c869ad964429",
+  "transactionHash": "0x37c84606bf286a8c369b895ac1e36fa90c688938f356f507e739e0aad17c227b",
   "receipt": {
     "to": null,
     "from": "0x50A8e60041A206AcaA5F844a1104896224be6F39",
-    "contractAddress": "0xAbE8CCCd52840cd4a77B0C46DaD46bC628f8018D",
+    "contractAddress": "0x2B656F1c485913577461e06bbf5adC999BC7743B",
     "transactionIndex": 0,
     "gasUsed": "1224337",
-    "logsBloom": "0x00000000000000000000000000000000000000000000000000800000000800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000020000000001000000000800000000000000000000000000000000400000001000000000000000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000080000000000020000000000000000000000000000000000000020000000000000000000000000000",
-    "blockHash": "0x557c388ee5670cc6ed3a3be43454c3a995e2bd61875387a3dc5f25cea32b08fa",
-    "transactionHash": "0xcf7d147b727ead41323e90c0f53944319e1f8f2f242ca5fa6388c869ad964429",
+    "logsBloom": "0x00000000000000000000000000000000000000000000000000800000000880000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000020000000000000000000800000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000080000000000020000000000000000000000000000000000000020000000000000000000000100000",
+    "blockHash": "0x34885abe68853a5844c051dff036172804cdb83935caea752838c4f383eb7f3a",
+    "transactionHash": "0x37c84606bf286a8c369b895ac1e36fa90c688938f356f507e739e0aad17c227b",
     "logs": [
       {
         "transactionIndex": 0,
-        "blockNumber": 11410191,
-        "transactionHash": "0xcf7d147b727ead41323e90c0f53944319e1f8f2f242ca5fa6388c869ad964429",
-        "address": "0xAbE8CCCd52840cd4a77B0C46DaD46bC628f8018D",
+        "blockNumber": 12405372,
+        "transactionHash": "0x37c84606bf286a8c369b895ac1e36fa90c688938f356f507e739e0aad17c227b",
+        "address": "0x2B656F1c485913577461e06bbf5adC999BC7743B",
         "topics": [
           "0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0",
           "0x0000000000000000000000000000000000000000000000000000000000000000",
@@ -511,10 +511,10 @@
         ],
         "data": "0x",
         "logIndex": 0,
-        "blockHash": "0x557c388ee5670cc6ed3a3be43454c3a995e2bd61875387a3dc5f25cea32b08fa"
+        "blockHash": "0x34885abe68853a5844c051dff036172804cdb83935caea752838c4f383eb7f3a"
       }
     ],
-    "blockNumber": 11410191,
+    "blockNumber": 12405372,
     "cumulativeGasUsed": "1224337",
     "status": 1,
     "byzantium": true
diff --git a/hardhat.config.ts b/hardhat.config.ts
index fdbaded..ac79d5f 100644
--- a/hardhat.config.ts
+++ b/hardhat.config.ts
@@ -70,7 +70,8 @@ const config: HardhatUserConfig = {
   },
   etherscan: {
     apiKey: {
-      bsc_test: "BUWD4T1ENMK9JUTNVQD4YBDMNRNINEWSUN"
+      bsc_test: process.env.BSC_TEST_API_KEY || "",
+      imtbl_test: process.env.IMTBL_TEST_API_KEY || "",
     },
     customChains: [
       {
@@ -80,6 +81,14 @@ const config: HardhatUserConfig = {
           apiURL: "https://api-testnet.bscscan.com/api",
           browserURL: "https://testnet.bscscan.com"
         }
+      },
+      {
+        network: "imtbl_test",
+        chainId: 13473,
+        urls: {
+          apiURL: "https://immutable-testnet.blockscout.com/api",
+          browserURL: "https://explorer.testnet.immutable.com"
+        }
       }
     ]
   }
diff --git a/out/imtbl_test_dev.json b/out/imtbl_test_dev.json
index 4bbb25b..a96b86e 100644
--- a/out/imtbl_test_dev.json
+++ b/out/imtbl_test_dev.json
@@ -53,16 +53,16 @@
     "json": "assets/contracts/NFTLock.json",
     "address": "0xFb9B3FA9343020b98ba673c09f4b4539ef67Ee16"
   },
-  {
-    "name": "GameItemMall",
-    "type": "logic",
-    "json": "assets/contracts/GameItemMall.json",
-    "address": "0xAbE8CCCd52840cd4a77B0C46DaD46bC628f8018D"
-  },
   {
     "name": "BEUSDC",
     "type": "erc20",
     "json": "assets/contracts/FT.json",
     "address": "0x11440cE5a7d6a1e6fa1e9fd790EBa93476F0DeA0"
+  },
+  {
+    "name": "GameItemMall",
+    "type": "logic",
+    "json": "assets/contracts/GameItemMall.json",
+    "address": "0x2B656F1c485913577461e06bbf5adC999BC7743B"
   }
 ]
\ No newline at end of file