Core Viewpoint - A consumer purchased counterfeit "Tian Chao Shang Pin" liquor for 1344 yuan and successfully sued the supermarket for a refund and tenfold compensation, highlighting issues of food safety and consumer rights in the retail sector [1][5][7]. Group 1: Consumer Action - The consumer, Xu, discovered the liquor was counterfeit after purchasing it and used a verification app that indicated an error in the product's QR code [4]. - Xu filed a lawsuit against the supermarket, seeking a refund of 1344 yuan and tenfold compensation of 13440 yuan under the Food Safety Law [5][6]. Group 2: Court Rulings - The first-instance court ruled in favor of Xu, stating that the supermarket failed to verify the product's safety and must refund the purchase price and pay punitive damages [6][7]. - The supermarket appealed, arguing that Xu's bulk purchase indicated a "knowing purchase of counterfeit goods" and that they sourced the liquor from legitimate channels [7][9]. Group 3: Appeal Outcomes - The second-instance court upheld the original ruling, stating that Xu's claim was legitimate as he did not intend to resell the liquor and that the supermarket failed to prove the legality of their product sourcing [8][10]. - The court emphasized the supermarket's responsibility to ensure the safety and legality of the products they sell, reinforcing consumer protection laws [10].