Fenguoz

Try transferring money from other wallets to this address

Whether the address has enough trx as a fee，or Is the bandwidth of the address sufficient?

whether to install composer？

https://github.com/Fenguoz/tron-php/blob/master/tests/TRC20Test.php#L59

参考#9 #13

是的，需要用到高精度bc函数

例如message加密信息是十六进制值的字符串，可以使用hex2bin转换为 ASCII 字符

检查是否合约地址错误

参考[issues#6](https://github.com/Fenguoz/tron-php/issues/6#issuecomment-850506235)

提示是合约地址验证错误。检查下合约信息参数是否有误