The format is PNG, JPG, and the width * height is greater than 1920 * 100 pixels, not more than 2MB. The main vision is suggested to be placed on the right. Please refer to the online blog header image
Please upload a picture larger than 1920 * 100 pixels!
Blog base:
The image format is PNG, JPG, no more than 1MB, and can be tiled up, down, left, right to the whole background
Column chart:
The image format is PNG, JPG, and the image width * height is 300 * 38 pixels, no more than 0.5MB
