增加1155获取余额的方法漏出

src/index.ts

@@ -581,6 +581,19 @@ export default class JCWallet {
     });
   }
 
+  public async erc1155Balance(
+    address: string,
+    account: string,
+    tokenId: string
+  ) {
+    let result = await this.erc1155Standard.getBalanceOf(
+      address,
+      account,
+      tokenId
+    );
+    return result;
+  }
+
   public async erc1155Info(address: string) {}
 
   public async erc1155List(address: string, account?: string) {

src/standards/ERC1155Standard.ts

@@ -93,7 +93,7 @@ export class ERC1155Standard {
     address: string,
     tokenId: string
   ): Promise<number> => {
-    const contract = new this.web3.eth.Contract(abiERC1155, address);
+    const contract = new this.web3.eth.Contract(abiERC1155, contractAddress);
     return new Promise<number>((resolve, reject) => {
       contract.methods.balanceOf(
         address,