pragma solidity ^0.4.24;
^----------------------^
,/Users/denny/github.com/evolutionlandorg/tron-contracts/contracts/common/UserPointsAuthority.sol:1:1: SyntaxError: Source file requires different compiler version (current compiler is 0.4.24-develop.2018.8.28+commit.3ba0cdec.mod.Emscripten.clang - note that nightly builds are considered to be strictly less than the released version