diff --git a/src/google_oauth_api.py b/src/google_oauth_api.py
index f2681ddfe..163a2fda2 100644
--- a/src/google_oauth_api.py
+++ b/src/google_oauth_api.py
@@ -646,7 +646,7 @@ async def _try_load_code_assist(
     request_url = f"{api_base_url.rstrip('/')}/v1internal:loadCodeAssist"
     request_body = {
         "metadata": {
-            "ideType": "ANTIGRAVITY"
+            "ideType": "IDE_UNSPECIFIED"
         }
     }
 
@@ -738,7 +738,7 @@ async def _try_onboard_user(
     request_body = {
         "tierId": tier_id,
         "metadata": {
-            "ideType": "ANTIGRAVITY",
+            "ideType": "IDE_UNSPECIFIED",
             "platform": "PLATFORM_UNSPECIFIED",
             "pluginType": "GEMINI"
         }
@@ -815,7 +815,7 @@ async def _get_onboard_tier(
     request_url = f"{api_base_url.rstrip('/')}/v1internal:loadCodeAssist"
     request_body = {
         "metadata": {
-            "ideType": "ANTIGRAVITY",
+            "ideType": "IDE_UNSPECIFIED",
             "platform": "PLATFORM_UNSPECIFIED",
             "pluginType": "GEMINI"
         }
diff --git a/src/utils.py b/src/utils.py
index c32c52096..8216d86f6 100644
--- a/src/utils.py
+++ b/src/utils.py
@@ -18,8 +18,8 @@
 def get_geminicli_user_agent(model: str = "") -> str:
     """生成动态 User-Agent: GeminiCLI/{version}/{model} ({platform}; {arch}; {surface})"""
     if model:
-        return f"GeminiCLI/{_GEMINICLI_VERSION}/{model} ({_GEMINICLI_PLATFORM}; {_GEMINICLI_ARCH}; {_GEMINICLI_SURFACE})"
-    return f"GeminiCLI/{_GEMINICLI_VERSION} ({_GEMINICLI_PLATFORM}; {_GEMINICLI_ARCH}; {_GEMINICLI_SURFACE})"
+        return f"Mozilla/5.0 (compatible; Google-Gemini-CLI/1.0; +https://github.com/google-gemini/gemini-cli) {model}"
+    return f"Mozilla/5.0 (compatible; Google-Gemini-CLI/1.0; +https://github.com/google-gemini/gemini-cli)"
 
 # 静态常量
 GEMINICLI_USER_AGENT = get_geminicli_user_agent()