fix otc

Helius

2022-03-09 8f07f23b122218dd8679c43d0f9d0c73f76685bc

 src/main/java/com/xcong/excoin/modules/blackchain/service/UsdtErc20UpdateService.java

@@ -62,7 +62,7 @@
        return Web3j.build(httpService);
    }

    private static String blockchainNode = "http://120.55.86.146:8545";
    private static String blockchainNode = "http://114.55.250.231:8545";

    private static String contractAddr = "0xdac17f958d2ee523a2206206994597c13d831ec7";