Hi, I just followed the steps in the ebook to take a picture and store it to the microsd card (I used a 8GB microsd card).  The esp32-cam board is similar to the AI-Thinker board, and the pictures are stored in a jpeg format, with framesize equal to FRAMESIZE_UXGA and a jpeg quality set to 10 (The code is exactly the same as in the github).  The pictures are successfully saved and are non-empty (I can see the storage size), but I can not open it in my Windows laptop. The prompt information when opening the saved jpg files is about: the file format is not supported. But I can open other jpg files (downloaded from Internet) successfully, so any ideas on this problem? Thanks!