指定评估器不支持工作线程评估，且应仅在主线程中评估评估器。如果评估器使用线程不安全的 Unity API（比如 AssetDatabase），则可能是这种情况。
[Description("Returns asset paths corresponding to a list of instance ids")]
[SearchExpressionEvaluator("IdsToPaths", SearchExpressionEvaluationHints.ThreadNotSupported, SearchExpressionType.Iterable)]
public static IEnumerable<SearchItem> IdsToPath(SearchExpressionContext c)
{
foreach (var idItem in c.args[0].Execute(c))
{
if (SearchExpression.TryConvertToDouble(idItem, out var idNum))
{
var id = (int)idNum;
var path = AssetDatabase.GetAssetPath(id);
if (!string.IsNullOrEmpty(path))
{
yield return SearchExpression.CreateItem(path, c.ResolveAlias("asset path"));
}
}
}
}