diff --git a/apps/ai-game-creator-shell/src/App.tsx b/apps/ai-game-creator-shell/src/App.tsx
index af6de1ca1..cb243be0c 100644
--- a/apps/ai-game-creator-shell/src/App.tsx
+++ b/apps/ai-game-creator-shell/src/App.tsx
@@ -808,12 +808,12 @@ export function App({
           return target;
         }
         const remaining = target.length - prefix.length;
-        const step = remaining > 160 ? 8 : remaining > 48 ? 4 : 2;
+        const step = remaining > 160 ? 4 : remaining > 48 ? 2 : 1;
         const next = target.slice(0, prefix.length + step);
         planningV2VisibleReplyRef.current = next;
         return next;
       });
-    }, 32);
+    }, 50);
     return () => window.clearInterval(timer);
   }, []);
 
diff --git a/apps/ai-game-creator-shell/tests/appSurface/harness.ts b/apps/ai-game-creator-shell/tests/appSurface/harness.ts
index 0d0cf0a10..f2f689756 100644
--- a/apps/ai-game-creator-shell/tests/appSurface/harness.ts
+++ b/apps/ai-game-creator-shell/tests/appSurface/harness.ts
@@ -620,7 +620,7 @@ function createProjectSupervisorRuntimeHarness({
               baseUrl: '',
               model: 'quality',
               apiKind: 'openai_responses',
-              reasoningEffort: 'max',
+              reasoningEffort: 'high',
               stream: true,
               webSearchEnabled: true,
               contextWindowTokens: 128000,
diff --git a/apps/ai-game-creator-shell/tests/appSurface/runtime-settings.suite.ts b/apps/ai-game-creator-shell/tests/appSurface/runtime-settings.suite.ts
index b3c9142a3..0811cd81b 100644
--- a/apps/ai-game-creator-shell/tests/appSurface/runtime-settings.suite.ts
+++ b/apps/ai-game-creator-shell/tests/appSurface/runtime-settings.suite.ts
@@ -1000,7 +1000,7 @@ export function registerPublishedRuntimeSettingsTests() {
     expect(screen.queryByLabelText('LLM API Key')).toBeNull();
     expect(screen.queryByLabelText('LLM Base URL')).toBeNull();
     expect(screen.queryByLabelText('LLM 模型')).toBeNull();
-    expect(screen.getByLabelText('推理档')).toHaveProperty('value', 'max');
+    expect(screen.getByLabelText('推理档')).toHaveProperty('value', 'high');
     expect(screen.getByLabelText('联网检索')).toHaveProperty('checked', true);
     fireEvent.click(screen.getByRole('button', { name: /Agent 分工/ }));
     expect(screen.getByText('所有角色使用统一账号服务')).not.toBeNull();
@@ -1031,7 +1031,7 @@ export function registerPublishedRuntimeSettingsTests() {
             baseUrl: '',
             model: '',
             apiKind: 'openai_responses',
-            reasoningEffort: 'max',
+            reasoningEffort: 'high',
             stream: true,
             webSearchEnabled: true,
             contextWindowTokens: 128000,