Function GetCompFiber

（改）网盘直链下载助手.user.js:1898–1904

				return compFiber._instance;
			}
			let GetCompFiber = fiber => {
				let parentFiber = fiber.return;
				while (base.isType(parentFiber.type) == "string") {
					parentFiber = parentFiber.return;
				}
				return parentFiber;
			};
			let compFiber = GetCompFiber(domFiber);
			for (let i = 0; i < traverseUp; i++) {
				compFiber = GetCompFiber(compFiber);