Using third-party platforms to "brush" QQ说说 comments (i.e., artificially increasing comment counts through non-genuine means) violates QQ's Terms of Service and poses significant risks:

1. Account Security Risks: Most such platforms require you to provide QQ account credentials or authorize risky permissions, which may lead to account theft, password leaks, or unauthorized use of your account for malicious activities (e.g., sending spam, fraud).
2. Platform Penalties: QQ actively detects and cracks down on fake engagement behaviors. Your account could face restrictions like temporary bans, hidden说说 content, or permanent suspension.
3. Hidden Costs & Scams: "Free" or "low-price" claims often hide traps—such as charging exorbitant fees after partial service, or using your account to generate profits for the platform without your knowledge.
4. Meaningless Engagement: Fake comments (usually from bots or inactive accounts) do not contribute to genuine social interaction and may damage your reputation among real friends or followers.
   For a healthy QQ experience, it’s recommended to focus on creating valuable content and interacting authentically with others. Avoid any services that promise artificial engagement—they are not worth the risk. If you encounter account issues related to such behaviors, contact QQ official customer service promptly.