The EF Core tools version '3.1.4' is older than that of the runtime '3.1.8'. Update the tools for the latest features and bug fixes.

The EF Core tools version '3.1.4' is older than that of the runtime '3.1.8'. Update the tools for the latest features and bug fixes.

Install-Package Microsoft.EntityFrameworkCore.Tools -Version 3.1.8

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原文地址：https://www.cnblogs.com/axu92312/p/14388447.html