diff --git a/apps/ai-game-creator-shell/src/App.tsx b/apps/ai-game-creator-shell/src/App.tsx
index 95053dc3e..00eb59762 100644
--- a/apps/ai-game-creator-shell/src/App.tsx
+++ b/apps/ai-game-creator-shell/src/App.tsx
@@ -4050,6 +4050,8 @@ export function App({
             conversationMessages,
             current,
           );
+        // 空对话（没有默认问候之后的新常态）同样应当接受回读结果。
+        const isEmptyConversation = current.length === 0;
         const hasOnlyDefaultGreeting =
           current.length === 1 &&
           current[0]?.role === 'assistant' &&
@@ -4062,6 +4064,7 @@ export function App({
           current[1]?.text === `已设置本地项目：${nextProjectPath}`;
         if (
           mode !== 'replace' &&
+          !isEmptyConversation &&
           !hasOnlyDefaultGreeting &&
           !hasOnlyOpenStatus
         ) {
diff --git a/apps/ai-game-creator-shell/src/features/agent-runtime/model.ts b/apps/ai-game-creator-shell/src/features/agent-runtime/model.ts
index 4c331835c..fcaef751c 100644
--- a/apps/ai-game-creator-shell/src/features/agent-runtime/model.ts
+++ b/apps/ai-game-creator-shell/src/features/agent-runtime/model.ts
@@ -1327,12 +1327,9 @@ export function isMissingAgentGoalCommandError(error: unknown) {
 }
 
 export function createDefaultChatMessages(): ChatMessage[] {
-  return [
-    {
-      role: 'assistant',
-      text: '想做什么游戏？',
-    },
-  ];
+  // 默认问候「想做什么游戏？」已移除：它在对话记录里没有信息量，而且会出现在用户消息之后。
+  // 空对话由空状态提示（panels.tsx 的引导文案）承担，不再往消息列表里塞占位消息。
+  return [];
 }
 
 export function isRuntimeConfigMissingError(message: string) {
diff --git a/apps/ai-game-creator-shell/src/features/project-workspace/ProjectSupervisorView.tsx b/apps/ai-game-creator-shell/src/features/project-workspace/ProjectSupervisorView.tsx
index 440d43832..ac459702d 100644
--- a/apps/ai-game-creator-shell/src/features/project-workspace/ProjectSupervisorView.tsx
+++ b/apps/ai-game-creator-shell/src/features/project-workspace/ProjectSupervisorView.tsx
@@ -536,6 +536,10 @@ export function ProjectSupervisorView({
       return null;
     }
     const running = Boolean(activeTurnId) && turnId === activeTurnId;
+    if (running) {
+      // 进行中的耗时由输入框上方的过程卡显示（"已耗时 xx"），对话里再显示一遍是重复。
+      return null;
+    }
     const endedAt = running
       ? turnUsageNow
       : Math.max(turnEndedAtFor(turnId), startedAt);