瀛姬（商户版）

Yingji (Merchant Edition) is an internal work app for Yingji Dance Training Institution, targeting sales staff, teachers, administrators, and city partners.

Main Functions:

· Sales Order Entry: Entry and order editing for regular classes, touring classes, and activity classes.

· Teacher Order Tracking: View pending orders and contact teachers with one click.

· Final Payment Follow-up: Inquire about and register orders with outstanding final payments.

· My All Orders: View payment and delivery status and confirm delivery.

· My All Customers: Customer consumption and class overview.

· Teacher Side: Course scheduling, income, and teaching-related functions.

· Partner/Administrator: View store and operational data.

Instructions for Use: Requires login with an account assigned by the institution; users with multiple roles can switch identities within the app.