The COSCUP volunteer platform is an online tool that allows interested individuals to register as volunteers for the conference, and a way for volunteers to communicate with each other and with the organizers. COSCUP 志工平台是一個可以讓有興趣的人登錄成為 COSCUP 的志工，同時也提供志工彼此溝通和與大會聯繫的方式。
Signed-off-by: Toomore Chiang toomore0929@gmail.com
Fixed the duplicate bid created by manually.
Pull request type
Please check the type of change your PR introduces:
What is the current behavior?
No any alert or notice for creator to know the budget number is duplicate.
Issue Number: #90
What is the new behavior?
Other information
N/A