Go modify the EOS_SYMBOL in asset.hpp before compiling.
cd contract
./build.sh
dfuseeos start
...
export EOSC_GLOBAL_API_URL=http://localhost:8888
export EOSC_GLOBAL_VAULT_FILE=$HOME/dfuse/dfuse-eosio/tools/eosc-vault.json
pushd ../dfuseeos/tools
eosc boot bootseq.yaml
popd
eosc system setcontract build/shine.wasm build/shine.abi