Experience effect: 1. Integrate with HR system to achieve full electronic signing of employee new signings, renewals, resignations, and employee certification issuance 2. HR can initiate labor contract in batch in the personnel management system to efficiently handle employment 3. Automatic triggering of electronic renewal signing process upon expiration of employee contract, timely completion of renewal 4. Employees initiate resignation applications, and companies can sign resignation agreements with employees online 5. Employees apply online for issuing HR certification, which will be automatically sealed after being approved by leaders