instrunet_backend/.idea/dataSources.xml

<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
  <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
    <data-source source="LOCAL" name="@andyxie.cn" uuid="d06398b7-49f6-46ef-acd8-28d6def335d4">
      <driver-ref>mysql.8</driver-ref>
      <synchronize>true</synchronize>
      <jdbc-driver>com.mysql.cj.jdbc.Driver</jdbc-driver>
      <jdbc-url>jdbc:mysql://andyxie.cn:3306</jdbc-url>
      <working-dir>$ProjectFileDir$</working-dir>
    </data-source>
  </component>
</project>