Operation steps:
1. **Select operation type**
- Select the account type to be operated on the fund management page
- Select the operation type (increase/decrease)
2. **Enter the operation amount**
- Enter the amount to be operated
- The system supports two decimal places
3. **Fill in the operation notes**
- Enter the reason for the operation or notes
- Facilitate subsequent inquiries and audits
4. **Confirm the operation**
- After checking that the operation information is correct, click the "Confirm" button
- The system performs the fund operation and updates the balance
Operation notes:
- Fund operation requires administrator privileges
- The operation amount cannot be negative
- It takes effect immediately after the operation
- All operations are logged