diff --git a/apps/ai-game-creator-shell/src/features/app-shell/useHomeProjectCreation.ts b/apps/ai-game-creator-shell/src/features/app-shell/useHomeProjectCreation.ts
index 6e9a147ad..56201d7d3 100644
--- a/apps/ai-game-creator-shell/src/features/app-shell/useHomeProjectCreation.ts
+++ b/apps/ai-game-creator-shell/src/features/app-shell/useHomeProjectCreation.ts
@@ -36,6 +36,7 @@ import type {
   HomeCreationType,
   HomeDraft,
 } from '../../view/home';
+import { richTextToPrompt } from '../../view/home/components/RichInputArea/richTextToPrompt';
 import { useLauncherHomeDraftStore } from '../../view/home/useHomeDraftStore';
 import type { LauncherView } from '../../view/layout';
 import type {
@@ -49,6 +50,15 @@ import {
 } from '../project-summary/projectSummary';
 import { resolveSessionPreviewOnProjectOpen } from './sessionPreview';
 
+/** 首页输入框当前的纯文本（Lexical 编辑器状态 -> 文本）；没有输入就返回空串。 */
+function homeDraftPromptText() {
+  try {
+    return richTextToPrompt(useLauncherHomeDraftStore.getState().draft).trim();
+  } catch {
+    return '';
+  }
+}
+
 type UseHomeProjectCreationOptions = {
   setStatus: Dispatch<SetStateAction<string>>;
   setLauncherView: Dispatch<SetStateAction<LauncherView>>;
@@ -471,6 +481,9 @@ export function useHomeProjectCreation({
   async function createProjectFromProjectPage(
     nextProjectPath: string,
     skipNonEmptyCheck = false,
+    // 首页输入框里已经写好的要求：打开已有项目时不能再丢掉（此前写死空串，
+    // 用户写的内容既不发首轮也不进对话历史）。
+    initialPrompt = '',
   ) {
     if (projectActionRef.current) {
       return;
@@ -523,7 +536,7 @@ export function useHomeProjectCreation({
         ),
         creationType: null,
         startMode: null,
-        initialPrompt: '',
+        initialPrompt,
         attachments: [],
         recentRunStatus: null,
         recentRunStopReason: null,
@@ -629,7 +642,7 @@ export function useHomeProjectCreation({
         ),
         creationType: null,
         startMode: runtimeMode?.activeRuntime === 'design' ? 'planning' : null,
-        initialPrompt: '',
+        initialPrompt: homeDraftPromptText(),
         attachments: [],
         recentRunStatus: directoryStatus.recentRunStatus,
         recentRunStopReason: directoryStatus.recentRunStopReason,
@@ -922,7 +935,11 @@ export function useHomeProjectCreation({
       setProjectPath(selectedPath);
       projectActionRef.current = null;
       setProjectAction(null);
-      await createProjectFromProjectPage(selectedPath);
+      await createProjectFromProjectPage(
+        selectedPath,
+        false,
+        homeDraftPromptText(),
+      );
     } catch (error) {
       setStatus(error instanceof Error ? error.message : String(error));
     } finally {