1, WeChat official account: search for "ball war" in WeChat official account. After paying attention to the official WeChat official account, select "Player Interaction" in the lower right corner of the homepage of WeChat official account, and you can contact customer service.
2. Weibo: Search for "Big Ball Wars" in Weibo. After paying attention, you can choose to contact the enterprise on the home page, explain the questions you want to ask, and wait for a reply after sending.