2. Medal-Choose the medal you want.

3. "Ask for a gift" in the lower right corner asks for a medal from a colleague.

4. Enter your own company or class group, and open the class tree in the column above the input column.

5. Take a public welfare badge for one day.

6. Pay the fee for five days to receive the Internet Tree Planting Certificate.

7. Pay ten days to receive the public welfare Superman badge.