Legal Opinion from Shanghai Jingtiancheng Law Firm on Matters Related to the Adjustment of the Grant Price of the Company's 2022 Restricted Stock Incentive Plan, the Achievement of Vesting Conditions for the Second Vesting Period of the First Grant Portion, the Achievement of Vesting Conditions for the First Vesting Period of the Reserved Portion, and the Cancellation of Part of the Granted but Unvested Restricted Stock