diff --git a/docs/index.html b/docs/index.html
index f02fd42..c718a70 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -709,17 +709,18 @@ <h5 class="mt-3">Troubleshooting</h5>
             console.log(moment().format("HH:mm:ss") + " updateApproval: " + JSON.stringify(this.modalApproval));
             const provider = new ethers.providers.Web3Provider(window.ethereum);
             const signer = provider.getSigner();
-            if (this.modalApproval.item.type == 'erc20') {
-              const contract = new ethers.Contract(this.modalApproval.item.contract, ERC20ABI, provider);
+            const item = this.modalApproval.item;
+            if (item.type == 'erc20') {
+              const contract = new ethers.Contract(item.contract, ERC20ABI, provider);
               const contractWithSigner = contract.connect(provider.getSigner());
               try {
-                const tx = await contractWithSigner.approve(this.modalApproval.item.spender, ethers.utils.parseUnits(this.modalApproval.tokens, this.modalApproval.item.decimals));
+                const tx = await contractWithSigner.approve(item.spender, ethers.utils.parseUnits(this.modalApproval.tokens, item.decimals));
                 console.log("tx: " + JSON.stringify(tx));
               } catch (e) {
                 console.log("updateApproval ERC-20.approve(...) error: " + JSON.stringify(e));
               }
-            } else if (this.modalApproval.item.type == 'erc721' && this.modalApproval.item.approvalType == 'Approval') {
-              const contract = new ethers.Contract(this.modalApproval.item.contract, ERC721ABI, provider);
+            } else if (item.type == 'erc721' && item.approvalType == 'Approval') {
+              const contract = new ethers.Contract(item.contract, ERC721ABI, provider);
               const contractWithSigner = contract.connect(provider.getSigner());
               try {
                 const tx = await contractWithSigner.approve(this.modalApproval.spender, this.modalApproval.tokenId);
@@ -727,17 +728,17 @@ <h5 class="mt-3">Troubleshooting</h5>
               } catch (e) {
                 console.log("updateApproval ERC-721 approve(...) error: " + JSON.stringify(e));
               }
-            } else if (this.modalApproval.item.type == 'erc721' && this.modalApproval.item.approvalType == 'ApprovalForAll') {
-              const contract = new ethers.Contract(this.modalApproval.item.contract, ERC721ABI, provider);
+            } else if (item.type == 'erc721' && item.approvalType == 'ApprovalForAll') {
+              const contract = new ethers.Contract(item.contract, ERC721ABI, provider);
               const contractWithSigner = contract.connect(provider.getSigner());
               try {
-                const tx = await contractWithSigner.setApprovalForAll(this.modalApproval.item.spender, this.modalApproval.approved);
+                const tx = await contractWithSigner.setApprovalForAll(item.spender, this.modalApproval.approved);
                 console.log("tx: " + JSON.stringify(tx));
               } catch (e) {
                 console.log("updateApproval ERC-721 setApprovalForAll(...) error: " + JSON.stringify(e));
               }
-            } else if (this.modalApproval.item.type == 'erc1155' && this.modalApproval.item.approvalType == 'ApprovalForAll') {
-              const contract = new ethers.Contract(this.modalApproval.item.contract, ERC1155ABI, provider);
+            } else if (item.type == 'erc1155' && item.approvalType == 'ApprovalForAll') {
+              const contract = new ethers.Contract(item.contract, ERC1155ABI, provider);
               const contractWithSigner = contract.connect(provider.getSigner());
               try {
                 const tx = await contractWithSigner.setApprovalForAll(this.modalApproval.item.spender, this.modalApproval.approved);