Enter field management
1. **Find the target template in the template list**
2. **Click the "Field Management" button**
3. **Enter the field management interface**
Add fields
1. **Click the "Add Field" button**
2. **Fill in field information**:
- Field name (required)
- Field key name (required)
- Field type (required)
- Field description (optional)
- Is it required?
- Default value
- Sorting order
3. **Save fields**: Click the "OK" button