diff --git a/src/features/subject-identity/components/IdentityGallery.vue b/src/features/subject-identity/components/IdentityGallery.vue
index 10482b3..5199644 100644
--- a/src/features/subject-identity/components/IdentityGallery.vue
+++ b/src/features/subject-identity/components/IdentityGallery.vue
@@ -161,7 +161,8 @@ function chooseAnchor() {
                     ><NButton @click="confirming = false" text size="small">取消</NButton>
                 </div></NAlert
             >
-            <NCollapse v-if="selected.prompt" class="mt-4 text-xs"
+            <!-- 默认展示实际提示词；用户手动收起后，轮询不会强制重新展开。 -->
+            <NCollapse v-if="selected.prompt" :default-expanded-names="['details']" class="mt-4 text-xs"
                 ><NCollapseItem name="details"
                     ><template #header>本次实际提示词</template>
                     <p class="mt-3 whitespace-pre-wrap leading-6">{{ selected.prompt }}</p></NCollapseItem
diff --git a/src/features/subject-identity/identity.test.ts b/src/features/subject-identity/identity.test.ts
index a7bad3c..6b3779c 100644
--- a/src/features/subject-identity/identity.test.ts
+++ b/src/features/subject-identity/identity.test.ts
@@ -45,6 +45,23 @@ function input(selector: string, value: string) {
 }
 
 describe('身份图与母版契约', () => {
+    it('实际提示词默认展开，可手动收起，轮询更新不强行重新展开', async () => {
+        const image = identityImageFixture({ prompt: '本次实际生成提示词' })
+        wrapper = mount(IdentityGallery, {
+            props: { subjectName: '林夏', module: 'character', identityLocked: true, disabled: false, images: [image] }
+        })
+        const panel = wrapper.get('.n-collapse-item')
+        expect(panel.classes()).toContain('n-collapse-item--active')
+        expect(panel.text()).toContain('本次实际生成提示词')
+        await panel.get('.n-collapse-item__header-main').trigger('click')
+        expect(panel.classes()).not.toContain('n-collapse-item--active')
+        await wrapper.setProps({ images: [{ ...image, prompt: '更新后的实际提示词' }] })
+        expect(panel.classes()).not.toContain('n-collapse-item--active')
+        await panel.get('.n-collapse-item__header-main').trigger('click')
+        expect(panel.classes()).toContain('n-collapse-item--active')
+        expect(panel.text()).toContain('更新后的实际提示词')
+    })
+
     it('全部历史记录显示在预览下方，候选、辅助、失败和进行中图片均可切换查看', async () => {
         const images = [
             identityImageFixture({