 Complete the following phrase:  In 2021, Gong was appointed as Hello Childhood Charity Ambassador, Charity Promotional Ambassador for World Book Day, Charity Communication Ambassador for the International Day for Biological Diversity, and Charity Advocacy Ambassador for World Environment Day. On April 2021, Word of Honors outfits were sold through online auction. Among them, the red costume of Wen Ke Xing played by Gong Jun was sold at a highest price of CN224,601 US2,000. After the event, Youku announced the proceeds were donated to China Social Assistance Foundation as part of public welfare project Intangible Cultural Heritage Protection. On July 21, Gong donated CN500,000 US77,000 to China Foundation for Poverty Alleviation for the flood relief efforts in 