[{"title":"(2个子文件168MB)mysql-5.7.27.zip","children":[{"title":"mysql-5.7.27-win32.msi <span style='color:#111;'>83.34MB</span>","children":null,"spread":false},{"title":"mysql-5.7.27-winx64.msi <span style='color:#111;'>87.22MB</span>","children":null,"spread":false}],"spread":true}]