School-based homework system-question bank-create school-based knowledge system

Enter the [Question Bank] - [Homework Question Bank] - [Knowledge Structure] interface, where teachers can create and customize the knowledge structure of the school-based knowledge system.

1. Select grade and subject, click [New Knowledge Structure], and enter the name of the new knowledge structure.
2. Click the three dots on the right side of the existing knowledge structure to edit the existing knowledge structure.
   1. Click [Add Sub-knowledge Structure] to add a sub-knowledge structure under the existing knowledge structure.
   2. Click [Add knowledge structure above/below] to add a new knowledge structure above/below the existing knowledge structure.
   3. Click [Rename] to rename the existing knowledge structure.
   4. Click [Delete] to delete the existing knowledge structure, and there will be a second confirmation interface.
3. After selecting a knowledge structure, drag it up or down to move the position of the existing knowledge structure.