If you accidentally delete all the novels under Thunderbolt, you can try the following methods: 1. Use Xunlei's " Recover Bin " function: There is a " Recover Bin " function in Xunlei software that can restore deleted files. If the novel downloaded by Xunlei was deleted by mistake, you can try to use this function to recover the file. 2. Use cloud storage services: If the novels downloaded by Xunlei are saved in cloud storage services such as Google Drive, Dropbox, etc., you can try uploading the files from these services to the cloud and then download them again. 3. Search the Internet: If you can't find the novel you want, you can try to search for relevant keywords in the search engine to find the novel you saved before. Some online reading platforms such as Qidian Chinese Network and Xiaoxiang Academy also provided a large number of online novels that could be searched on these platforms. 4 Contact Xunlei customer service: If you can't solve the problem, you can try to contact Xunlei's customer service for further help.