Haixiu Software of Shanghai Serenade Technology Co., Ltd. is suspected of online fraud. The user was detained in 99 yuan without using the software and agreeing to automatic fee deduction. Users know nothing about this, and have never heard of software and automatic deduction. The customer service will refund the money after the user calls the given refund customer service for a simple inquiry. However, on February 9, 65438, when the user called the customer service phone of the platform again, the customer service pushed it to the user 99 yuan, saying that this time it was returned in 2023, and February 7, 65438 was returned in advance in 2024. In this case, a search on the Internet found that many people had similar experiences. Shanghai Serenade Technology Co., Ltd. is suspected of infringing citizens' property ownership. Please ask the relevant departments to strictly investigate and give the user an explanation.