Offers like "1 yuan for 100w QQ likes" are almost always illegitimate or non-compliant with platform rules. Here are the key risks to consider:

1. Fraud: Many such services are scams—you might pay but get no likes, or the provider could steal your account information.
2. Fake engagement: The likes are usually from bot accounts or inactive users, which don’t bring real value (no actual interaction or influence).
3. Account penalties: QQ strictly prohibits using third-party services to manipulate engagement. Your account could face restrictions (e.g., limited functionality) or even permanent bans.
   For genuine growth, focus on creating valuable content and interacting with real users—it’s the only sustainable way to build meaningful engagement. Avoid these risky shortcuts to protect your account and privacy.