diff --git a/src/features/subject-images/SubjectImagesPage.vue b/src/features/subject-images/SubjectImagesPage.vue
index 2619bf7..718f329 100644
--- a/src/features/subject-images/SubjectImagesPage.vue
+++ b/src/features/subject-images/SubjectImagesPage.vue
@@ -1,12 +1,12 @@
 <script setup lang="ts">
 import { computed, ref, watch } from 'vue'
 import { useRoute } from 'vue-router'
-import { Search, RefreshCw, Download, ImagePlus, ArrowRight } from '@lucide/vue'
+import { Search, RefreshCw, Download, ImagePlus, ArrowRight, AlertTriangle } from '@lucide/vue'
 import { AssetImage, EmptyState, StatusBadge } from '../../components/ui'
 import { downloadText } from '../../lib/format'
 import ConfirmAction from '../workflows/ConfirmAction.vue'
 import { useSubjectImages } from './useSubjectImages'
-import { coverImage, hasRunningImages, primaryImage } from './model'
+import { coverImage, hasRunningImages, isPrimaryIdentityStale, primaryImage } from './model'
 import type { GenerateFormImageInput, SubjectFormAsset } from './types'
 import GenerateImageDialog from './components/GenerateImageDialog.vue'
 import ImageGalleryDialog from './components/ImageGalleryDialog.vue'
@@ -16,6 +16,7 @@ const route = useRoute()
 const {
     id,
     forms,
+    staleForms,
     query,
     operation,
     session,
@@ -25,11 +26,13 @@ const {
     running,
     batchValid,
     generate,
-    generateProject
+    generateProject,
+    generateStale
 } = useSubjectImages()
 const search = ref('')
 const module = ref('all')
 const onlyMissing = ref(false)
+const onlyStale = ref(false)
 const generateOpen = ref(false)
 const galleryOpen = ref(false)
 const generateId = ref('')
@@ -42,6 +45,7 @@ const filtered = computed(() =>
         form =>
             (module.value === 'all' || form.subject.module === module.value) &&
             (!onlyMissing.value || !primaryImage(form.images)) &&
+            (!onlyStale.value || isPrimaryIdentityStale(form)) &&
             `${form.subject.name} ${form.subject.ref} ${form.name}`
                 .toLowerCase()
                 .includes(search.value.trim().toLowerCase())
@@ -78,6 +82,7 @@ function resetFilters() {
     search.value = ''
     module.value = 'all'
     onlyMissing.value = false
+    onlyStale.value = false
 }
 </script>
 
@@ -93,46 +98,63 @@ function resetFilters() {
             /></RouterLink>
         </div>
         <p class="alert mt-5 text-xs">
-            人物与场景形态在有身份母版时自动引用，以保持人物身份或空间结构一致；无母版仍可独立生成。道具暂不自动引用。
+            Character 形态图会记录生成时使用的 Identity Anchor。更换演员母版后，旧主图会标记为“身份母版已变更”，且后端会阻止它继续进入分镜首帧；请基于当前母版重新生成候选并确认新的主参考图。
             <RouterLink :to="`/projects/${id}/subject-identity`" class="text-button ml-2">管理主体身份 →</RouterLink>
-            更换母版后，已有形态主图仍保留，需主动生图并选择新主图。
         </p>
         <div class="panel mt-5 p-5">
             <div class="flex flex-wrap items-center justify-between gap-4">
                 <p class="text-sm">
-                    <strong>{{ completeCount }}</strong> / {{ forms.length }} 个形态已有主图<span
-                        class="ml-3 text-xs text-muted"
-                        >Seedream · 后端配置</span
-                    >
+                    <strong>{{ completeCount }}</strong> / {{ forms.length }} 个形态已有主图
+                    <span v-if="staleForms.length" class="ml-3 text-xs text-danger">
+                        {{ staleForms.length }} 个人物形态主图已过期
+                    </span>
+                    <span class="ml-3 text-xs text-muted">Seedream · 后端配置</span>
                 </p>
                 <button class="text-button" :disabled="query.loading.value" @click="query.refresh">
                     <RefreshCw :size="13" :class="{ 'animate-spin': query.loading.value }" />刷新图库
                 </button>
             </div>
             <p class="mt-2 text-[11px] leading-6 text-muted">
-                每 6 秒更新图片记录；主图供分镜引用，候选图和历史失败记录均保留。覆盖率不是当前批次进度。
+                每 6 秒更新图片记录；主图供分镜引用，候选图和历史失败记录均保留。过期主图不会自动删除，也不会被批量任务静默替换。
             </p>
+            <div v-if="staleForms.length" class="alert alert-error mt-4">
+                <div class="flex flex-wrap items-center justify-between gap-3">
+                    <span class="flex items-center gap-2 text-xs">
+                        <AlertTriangle :size="14" />检测到 {{ staleForms.length }} 个 Character Form 仍在使用旧 Identity Anchor。
+                    </span>
+                    <ConfirmAction
+                        label="重新生成过期形态"
+                        :disabled="blocked || !batchValid || !staleForms.length"
+                        acknowledgement
+                        description="只为身份母版已经变化的 Character Form 调用 Seedream，各新增一张基于当前 Anchor 的候选图；不会自动替换旧主图，生成后请人工确认并设置新的主参考图。"
+                        @confirm="generateStale"
+                    />
+                </div>
+            </div>
             <details class="mt-4 border-t border-line pt-4">
                 <summary class="cursor-pointer text-xs font-medium">项目批量生图</summary>
                 <div class="mt-4 flex flex-wrap items-end gap-4">
-                    <label class="w-28"
-                        ><span class="field-label">批量并发</span
-                        ><input
+                    <label class="w-28">
+                        <span class="field-label">批量并发</span>
+                        <input
                             id="image-concurrency"
                             v-model.number="concurrency"
                             type="number"
                             min="1"
                             step="1"
                             class="input"
-                            :disabled="operation.pending" /></label
-                    ><label class="flex items-center gap-2 pb-2 text-xs"
-                        ><input
+                            :disabled="operation.pending"
+                        />
+                    </label>
+                    <label class="flex items-center gap-2 pb-2 text-xs">
+                        <input
                             v-model="force"
                             type="checkbox"
                             class="accent-accent"
                             :disabled="operation.pending"
-                        />已有主图也新增候选图</label
-                    ><ConfirmAction
+                        />已有主图也新增候选图
+                    </label>
+                    <ConfirmAction
                         :label="force ? '为全项目新增候选图' : '补齐项目主参考图'"
                         :disabled="blocked || !batchValid || !forms.length"
                         acknowledgement
@@ -167,36 +189,47 @@ function resetFilters() {
                 {{ session.receipt.result.failed }}
             </p>
             <p v-if="session.receipt.result.failed" class="alert alert-error mt-3" role="alert">
-                部分形态生图失败。已生成的图片保留；先查看失败原因，再按形态重新生图，或关闭新增候选图后补齐缺失主图。
+                部分形态生图失败。已生成的图片保留；先查看失败原因，再按形态重新生图。
+            </p>
+            <p v-else-if="session.receipt.title === '刷新过期人物形态图'" class="alert mt-3 text-xs">
+                新图当前仍是候选图。请进入对应形态的“查看图片与记录”，确认人物身份和造型后再设为主参考图；旧主图在此之前仍保持过期状态。
             </p>
             <ul class="mt-3 space-y-2 text-xs text-danger">
                 <li v-for="failure in session.receipt.result.failures" :key="failure.subjectFormId">
-                    <code>{{ failure.subjectFormId }}</code
-                    >：{{ failure.error }}
+                    <code>{{ failure.subjectFormId }}</code>：{{ failure.error }}
                 </li>
             </ul>
             <p class="mt-3 text-[11px] text-muted">回执仅保留于当前浏览器会话；图片以刷新后的数据库记录为准。</p>
         </section>
         <div class="my-6 flex flex-wrap items-center gap-4">
-            <label class="search-field"
-                ><Search :size="14" /><input
-                    v-model="search"
-                    placeholder="搜索主体、引用或形态"
-                    aria-label="搜索形态图片" /></label
-            ><select v-model="module" class="input w-auto" aria-label="筛选主体类型">
+            <label class="search-field">
+                <Search :size="14" />
+                <input v-model="search" placeholder="搜索主体、引用或形态" aria-label="搜索形态图片" />
+            </label>
+            <select v-model="module" class="input w-auto" aria-label="筛选主体类型">
                 <option value="all">全部类型</option>
                 <option value="character">人物</option>
                 <option value="scene">场景</option>
-                <option value="prop">道具</option></select
-            ><label class="flex items-center gap-2 text-xs"
-                ><input v-model="onlyMissing" type="checkbox" class="accent-accent" />仅看缺少主图</label
-            ><span class="ml-auto text-xs text-muted">{{ filtered.length }} 个形态</span>
+                <option value="prop">道具</option>
+            </select>
+            <label class="flex items-center gap-2 text-xs">
+                <input v-model="onlyMissing" type="checkbox" class="accent-accent" />仅看缺少主图
+            </label>
+            <label class="flex items-center gap-2 text-xs">
+                <input v-model="onlyStale" type="checkbox" class="accent-accent" />仅看身份过期
+            </label>
+            <span class="ml-auto text-xs text-muted">{{ filtered.length }} 个形态</span>
         </div>
         <p v-if="!query.data.value && query.loading.value" class="py-10 text-sm text-muted" role="status">
             正在读取形态和已有图片…
         </p>
         <div v-else-if="filtered.length" class="form-image-grid">
-            <article v-for="form in filtered" :key="form.id" class="panel form-image-card">
+            <article
+                v-for="form in filtered"
+                :key="form.id"
+                class="panel form-image-card"
+                :class="{ 'ring-1 ring-danger': isPrimaryIdentityStale(form) }"
+            >
                 <AssetImage
                     :src="coverImage(form)?.imageUrl"
                     :alt="`${form.subject.name} · ${form.name}`"
@@ -216,25 +249,26 @@ function resetFilters() {
                     <RouterLink
                         :to="{ path: `/projects/${id}/subject-identity`, query: { subjectId: form.subjectId } }"
                         class="text-button mt-3"
-                        >查看主体身份与母版 →</RouterLink
-                    >
+                    >查看主体身份与母版 →</RouterLink>
                     <div class="mt-3 flex flex-wrap items-center gap-2">
-                        <StatusBadge v-if="hasRunningImages(form.images)" status="generating" /><span
-                            v-if="primaryImage(form.images)"
-                            class="tag"
-                            >主参考图</span
-                        ><span v-else-if="coverImage(form)" class="tag">候选图 · 尚未设主图</span
-                        ><span v-else-if="form.images[0]?.status === 'failed'" class="text-xs text-danger"
-                            >最近一次生成失败</span
-                        ><span class="text-[10px] text-muted">{{ form.images.length }} 条记录</span>
+                        <StatusBadge v-if="hasRunningImages(form.images)" status="generating" />
+                        <span v-if="isPrimaryIdentityStale(form)" class="tag text-danger">身份母版已变更</span>
+                        <span v-else-if="primaryImage(form.images)" class="tag">主参考图</span>
+                        <span v-else-if="coverImage(form)" class="tag">候选图 · 尚未设主图</span>
+                        <span v-else-if="form.images[0]?.status === 'failed'" class="text-xs text-danger">最近一次生成失败</span>
+                        <span class="text-[10px] text-muted">{{ form.images.length }} 条记录</span>
                     </div>
+                    <p v-if="isPrimaryIdentityStale(form)" class="alert alert-error mt-3 text-xs leading-6">
+                        当前主图由旧演员母版生成，后续分镜已禁止继续引用。请基于当前 Identity Anchor 重新生成候选图，并在确认后设置为新的主参考图。
+                    </p>
                     <p v-if="form.images[0]?.status === 'failed'" class="mt-2 line-clamp-2 text-xs text-danger">
                         {{ form.images[0].error }}
                     </p>
                     <div class="mt-4 flex flex-wrap items-center justify-between gap-2">
-                        <button class="text-button" @click="openGallery(form)">查看图片与记录</button
-                        ><button class="button button-secondary" :disabled="blocked" @click="openGenerate(form)">
-                            <ImagePlus :size="14" />{{ coverImage(form) ? '再生成一张' : '生成图片' }}
+                        <button class="text-button" @click="openGallery(form)">查看图片与记录</button>
+                        <button class="button button-secondary" :disabled="blocked" @click="openGenerate(form)">
+                            <ImagePlus :size="14" />
+                            {{ isPrimaryIdentityStale(form) ? '基于当前母版重新生成' : coverImage(form) ? '再生成一张' : '生成图片' }}
                         </button>
                     </div>
                 </div>
@@ -248,11 +282,10 @@ function resetFilters() {
                     ? '调整筛选条件后再查看。批量生图不受筛选影响。'
                     : '先完成剧本拆解和主体形态持久化，再来生成参考图。'
             "
-            ><button v-if="forms.length" class="button button-secondary" @click="resetFilters">清除筛选</button
-            ><RouterLink v-else :to="`/projects/${id}/breakdown`" class="button button-secondary"
-                >前往剧本拆解</RouterLink
-            ></EmptyState
         >
+            <button v-if="forms.length" class="button button-secondary" @click="resetFilters">清除筛选</button>
+            <RouterLink v-else :to="`/projects/${id}/breakdown`" class="button button-secondary">前往剧本拆解</RouterLink>
+        </EmptyState>
         <GenerateImageDialog
             v-model:open="generateOpen"
             :form="generateForm"
@@ -267,4 +300,4 @@ function resetFilters() {
             @changed="query.refresh"
         />
     </section>
-</template>
+</template>
\ No newline at end of file