enum CheckType {
CUSTOM,
ALL
}
@property({ type: CheckType, displayName: "组件类型" })
type = CheckType.CUSTOM;

enum CheckType {
CUSTOM,
ALL
}
@property({ type: CheckType, displayName: "组件类型" })
type = CheckType.CUSTOM;

解决了
export const CheckType = Enum({
CUSTOM: 0,
ALL: 1,