Does the subject want to ask "Why Tencent's voting button is gray"? The voting activity is over and voting is restricted.

1. Voting activity has ended: if the deadline for voting activity has passed, the voting button will turn gray, indicating that voting has ended and voting cannot be conducted.

2. Voting restrictions: If you don't meet the set voting restrictions, such as geographical restrictions and age restrictions, the voting button may turn gray, indicating that you don't meet the voting conditions at present.