diff --git a/docs/ANTIGRAVITY_AUTH.md b/docs/ANTIGRAVITY_AUTH.md
index 89261d899..3dcb18d97 100644
--- a/docs/ANTIGRAVITY_AUTH.md
+++ b/docs/ANTIGRAVITY_AUTH.md
@@ -4,6 +4,13 @@
 
 **Antigravity** (Google Cloud Code Assist) is a Google-backed AI model provider that offers access to models like Claude Opus 4.6 and Gemini through Google's Cloud infrastructure. This document provides a complete guide on how authentication works, how to fetch models, and how to implement a new provider in PicoClaw.
 
+> [!WARNING]
+> **Account Suspension Risk / 账号封禁风险**
+>
+> Google has been actively enforcing its Terms of Service against programmatic or large-scale use of Google Cloud Code Assist outside of its intended IDE plugin context. **Your Google account may be suspended if you use this integration heavily or in automated/server environments.**
+>
+> Use this provider for testing and evaluation only. For any sustained or production usage, switch to a provider with an explicit API agreement (e.g., Anthropic, OpenAI, OpenRouter).
+
 ---
 
 ## Table of Contents
diff --git a/docs/ANTIGRAVITY_USAGE.md b/docs/ANTIGRAVITY_USAGE.md
index e8194b6bc..eb556b888 100644
--- a/docs/ANTIGRAVITY_USAGE.md
+++ b/docs/ANTIGRAVITY_USAGE.md
@@ -2,6 +2,16 @@
 
 This guide explains how to set up and use the **Antigravity** (Google Cloud Code Assist) provider in PicoClaw.
 
+> [!WARNING]
+> **Account Suspension Risk / 账号封禁风险**
+>
+> Google has been actively enforcing its Terms of Service for Google Cloud Code Assist. Using this provider to access AI models beyond the intended scope of the service may result in **suspension or termination of your Google account**.
+>
+> - This integration relies on the free quota provided by Google Cloud Code Assist, which is intended for individual developer use within IDE plugins.
+> - Using it programmatically at scale or in automated/server environments may violate [Google Cloud Terms of Service](https://cloud.google.com/terms/).
+> - Many users have reported account restrictions after heavy usage. Proceed at your own risk.
+> - For production or high-volume usage, consider using a paid API key from a supported provider (Anthropic, OpenAI, OpenRouter, etc.).
+
 ## Prerequisites
 
 1.  A Google account.