fix

Helius

2022-07-20 9960b32690d4e7b6938c51e1a9a8b9161c30a708

 src/main/java/cc/mrbird/febs/dapp/chain/ContractChainService.java

@@ -24,4 +24,6 @@
    BigInteger blockNumber();

    BigInteger totalSupply();

    String safeMintNFT(String toAddress);
}