Use to crowdsale contract

Smart Contracts
1

Hello, good time
Excuse me, did I have a question? If I want to use the crowdsale contract, is it necessary to write the ERC20 token contract on the Solidity version(^0.5.0) related to the crowdsale contract?
If i have created a token with version 8, can I use the crowdsale contract, or is it better to write the token contract on the same version?

2

I suggest to rewrite the crowdsale to 0.8.0+, intead of downgrading the token version

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3

Thanks for the advice

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