Guohua net Angong 2021 annual performance forecast revised announcement, the revised estimated net profit loss of 400 million yuan-600 million yuan, prior to a profit of 100 million yuan-148 million yuan. The reason for the amendment is that part of the operating income does not meet the revenue recognition standard and will not be recognized this year. The company carries out an impairment test on the asset group corresponding to the goodwill formed by the acquisition of Zhiyou Network Ann, and the test results are quite different from the estimated impairment of the company's previous performance forecast, and the amount of goodwill impairment is expected to be 450 million-650 million yuan.