Can be identified by notes. According to relevant information, if the signature does not match the name of the ID card, it still has legal effect, and the facts can be confirmed by handwriting identification. According to the provisions of the first paragraph of Article 108 of the Civil Procedure Law of People's Republic of China (PRC), if the people's court is convinced that the fact to be proved is likely to exist after examination and combining with relevant facts, it shall consider that the fact exists.