张雪峰168元高考预测卷被指漏洞百出，客服拒绝退货退款，因为“预测卷密封条已拆封”

Group 1 - A parent of a high school student in Henan reported issues with a 2025 college entrance examination prediction paper purchased from Zhang Xuefeng's team, highlighting errors in the math questions and dissatisfaction with customer service regarding refunds [1] - Multiple users on social media have criticized Zhang Xuefeng's materials, claiming that the Chinese language paper contains numerous errors, and similar issues have been reported in math and geography papers, which mislead students and waste valuable study time [1] - The company selling these educational materials, Suzhou Fengyue Wanjuan Cultural Book Co., Ltd., was established in January 2023 and is fully owned by Zhang Xuefeng, who has gained significant influence through various media appearances [3][4] Group 2 - The company has made investments in one other enterprise, Suzhou Fengyue Youxue Education Technology Co., Ltd., which is currently operational [4] - Zhang Xuefeng has applied for multiple trademarks related to his brand and has registered works under the name "Fengyue Wanjuan," indicating a focus on expanding his intellectual property portfolio [4] - Following a controversial live broadcast for the 2025 college entrance examination, Zhang Xuefeng announced a two-month hiatus from live streaming, leading to speculation about his future plans [4]