diff --git a/core/frontend/src/pipeline-page.css b/core/frontend/src/pipeline-page.css
index 6600764..3cadfe1 100644
--- a/core/frontend/src/pipeline-page.css
+++ b/core/frontend/src/pipeline-page.css
@@ -814,3 +814,36 @@
 .eg-load-msg { font-size: 14px; font-weight: 500; color: var(--accent-black); }
 .eg-load-sub { font-size: 11px; color: var(--black-alpha-48); }
 .eg-reextract { margin-top: 14px; width: 100%; }
+
+/* ── 兜底弹窗拦截:生成故事板/视频前,参考图不齐就拦住,让用户去补 / 仍要生成 ── */
+.ref-gate-mask {
+  position: fixed;
+  inset: 0;
+  z-index: 60;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 24px;
+  background: rgba(21, 20, 15, .42);
+  backdrop-filter: blur(8px);
+  -webkit-backdrop-filter: blur(8px);
+}
+.ref-gate-modal {
+  width: min(460px, 100%);
+  background: var(--surface-raised);
+  box-shadow: var(--shadow-floating);
+  border-radius: var(--r-md);
+  padding: 24px;
+}
+.rg-title { font-size: 16px; font-weight: 600; color: var(--accent-black); }
+.rg-body { font-size: 13px; line-height: 1.6; color: var(--black-alpha-64); margin-top: 10px; }
+.rg-body strong { color: var(--heat); font-weight: 600; }
+.rg-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
+.rg-chip { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--accent-black); padding: 5px 11px 5px 5px; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--border-faint); background: var(--background-base); }
+.rg-kind { font-size: 10px; font-family: var(--font-mono); padding: 2px 6px; border-radius: 999px; }
+.rg-kind-person { color: var(--heat); background: var(--heat-8); }
+.rg-kind-scene { color: var(--black-alpha-56); background: var(--black-alpha-5); }
+.rg-actions { display: flex; gap: 10px; margin-top: 22px; align-items: stretch; }
+.rg-actions .btn-primary { flex: 1; }
+.rg-force { display: inline-flex; align-items: baseline; gap: 5px; }
+.rg-warn { font-size: 10px; font-family: var(--font-mono); color: var(--black-alpha-48); }
diff --git a/core/frontend/src/routes/pipeline.tsx b/core/frontend/src/routes/pipeline.tsx
index 73e9fa1..437db79 100644
--- a/core/frontend/src/routes/pipeline.tsx
+++ b/core/frontend/src/routes/pipeline.tsx
@@ -695,6 +695,36 @@ export function PipelinePage(props: {
       setExtractErr(err instanceof Error ? err.message : "提取失败,请重试");
     }
   }
+  // ── 流程步骤4/5 · 兜底弹窗拦截:生成故事板/视频前,查被引用的角色/场景是否都有「按名字采用」的参考图 ──
+  // 缺了就弹窗(去补齐 / 仍要生成),不静默退化文生图、不让用户花冤枉钱。商品永远有主图、不算缺。
+  const [refGate, setRefGate] = useState<{ missing: Array<{ name: string; type: string }>; proceed: () => void } | null>(null);
+  useBodyScrollLock(Boolean(refGate));
+  function missingRefsFor(segs: Array<{ entity_refs?: string[] }>): Array<{ name: string; type: string }> {
+    const ents = project.metadata?.script_entities;
+    if (!Array.isArray(ents) || !ents.length) return []; // 没提取过实体就不拦(交给提取闸门)
+    const byId = new Map(ents.map((e) => [e.id, e]));
+    const adopted = {
+      person: new Set(buildEntities("person").filter((e) => e.group.adopted_asset).map((e) => (e.name || "").trim())),
+      scene: new Set(buildEntities("scene").filter((e) => e.group.adopted_asset).map((e) => (e.name || "").trim())),
+    };
+    const miss = new Map<string, { name: string; type: string }>();
+    for (const seg of segs) {
+      for (const rid of seg.entity_refs || []) {
+        const ent = byId.get(rid);
+        if (!ent || ent.type === "product") continue; // 商品永远有主图,不算缺
+        const kind = ent.type === "character" ? "person" : "scene";
+        const name = (ent.name || "").trim();
+        if (name && !adopted[kind].has(name)) miss.set(name, { name, type: ent.type });
+      }
+    }
+    return [...miss.values()];
+  }
+  // 拦截包装:参考图齐 → 直接生成;不齐 → 弹窗让用户去补 / 仍要生成(随他便)
+  function guardGen(segs: Array<{ entity_refs?: string[] }>, action: () => void) {
+    const missing = missingRefsFor(segs);
+    if (missing.length) setRefGate({ missing, proceed: action });
+    else action();
+  }
   // 资产图片下载(经同源代理取 blob,避开 TOS 跨域 + 强制下载而非新开标签)
   async function downloadAssetImage(assetId: string, name: string) {
     try {
@@ -2853,7 +2883,7 @@ export function PipelinePage(props: {
                       onChange={(v) => setStoryboardPrompt(v.trim())}
                     />
                     <div className="sb-stage-actions">
-                      <button className="pill-cta heat" type="button" id="sb-rerun-btn" disabled={loading} onClick={() => onGenerateStoryboard(storyboardPrompt || SB_PROMPT_DEFAULT)}>
+                      <button className="pill-cta heat" type="button" id="sb-rerun-btn" disabled={loading} onClick={() => guardGen(shots, () => onGenerateStoryboard(storyboardPrompt || SB_PROMPT_DEFAULT))}>
                         <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.6" strokeLinecap="round" strokeLinejoin="round"><path d="M4 12a8 8 0 0 1 14-5.5L21 9" /><path d="M21 4v5h-5" /><path d="M20 12a8 8 0 0 1-14 5.5L3 15" /><path d="M3 20v-5h5" /></svg>
                         {adoptedStoryboard ? "整张重跑" : "生成故事板"}
                       </button>
@@ -2935,7 +2965,7 @@ export function PipelinePage(props: {
                 </div>
                 <div className="bar-wrap"><span style={{ width: `${pct}%` }}></span></div>
                 <span className="muted mono" style={{ fontSize: "12px" }}>{pct}%</span>
-                <button className="btn btn-sm btn-primary" type="button" disabled={loading || !segments.length || activeVideoCount > 0} onClick={() => onSubmitAllVideos(videoPrompt)}>{anyStarted ? "↻ 全部重跑" : "▶ 开始生成视频"}</button>
+                <button className="btn btn-sm btn-primary" type="button" disabled={loading || !segments.length || activeVideoCount > 0} onClick={() => guardGen(shots, () => onSubmitAllVideos(videoPrompt))}>{anyStarted ? "↻ 全部重跑" : "▶ 开始生成视频"}</button>
                 <button className="btn btn-sm" type="button" disabled={loading || !segments.length} onClick={() => triggerVideoUpload((segments.find((s) => s.status !== "succeeded") || segments[0]).id)}>
                   <svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.5" strokeLinecap="round" strokeLinejoin="round" style={{ marginRight: "4px" }}><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4" /><path d="M17 8l-5-5-5 5" /><path d="M12 3v12" /></svg>
                   上传视频
@@ -2967,7 +2997,7 @@ export function PipelinePage(props: {
                           </div>
                           <div className="video-meta">{seg.target_duration_seconds}s · {timeline?.resolution || "1080×1920"} · ~¥0.45{seg.error_message ? ` · ${seg.error_message}` : ""}</div>
                           <div className="video-actions">
-                            <button className="btn btn-ghost btn-sm" type="button" data-vstop disabled={loading || busy} onClick={() => onSubmitVideo(seg.id, `${videoPrompt} 第 ${seg.sort_order + 1} 段，时长 ${seg.target_duration_seconds} 秒`)}>{busy ? "生成中…" : "重跑"}</button>
+                            <button className="btn btn-ghost btn-sm" type="button" data-vstop disabled={loading || busy} onClick={() => guardGen(shots.filter((s) => s.sort_order === seg.sort_order), () => onSubmitVideo(seg.id, `${videoPrompt} 第 ${seg.sort_order + 1} 段，时长 ${seg.target_duration_seconds} 秒`))}>{busy ? "生成中…" : "重跑"}</button>
                             <button className="btn btn-ghost btn-sm" type="button" data-vstop disabled={loading} onClick={() => triggerVideoUpload(seg.id)}>上传</button>
                             <span className="spacer"></span>
                             {url
@@ -3431,7 +3461,7 @@ export function PipelinePage(props: {
                 <div className="vd-modal-actions">
                   {vdVer?.asset_url && <a className="btn btn-ghost" href={vdVer.asset_url} target="_blank" rel="noreferrer">下载</a>}
                   <button className="btn btn-ghost" type="button" onClick={() => setVdSegId(null)}>关闭</button>
-                  <button className="btn btn-primary" type="button" disabled={loading || busy} onClick={() => onSubmitVideo(vdSeg.id, rerunPrompt)}>
+                  <button className="btn btn-primary" type="button" disabled={loading || busy} onClick={() => guardGen(shots.filter((s) => s.sort_order === vdSeg.sort_order), () => onSubmitVideo(vdSeg.id, rerunPrompt))}>
                     {busy ? "生成中…" : "↻ 重跑本场"}
                   </button>
                 </div>
@@ -3440,6 +3470,29 @@ export function PipelinePage(props: {
           </div>
         );
       })()}
+      {/* ── 流程步骤4/5 · 兜底弹窗拦截:参考图不齐时拦住生成,让用户去补 / 仍要生成(随他便) ── */}
+      {refGate && (
+        <div className="ref-gate-mask" onClick={() => setRefGate(null)}>
+          <div className="ref-gate-modal" role="dialog" aria-modal="true" onClick={(e) => e.stopPropagation()}>
+            <div className="rg-title">参考图还没齐,先补一下?</div>
+            <div className="rg-body">
+              下面这些角色 / 场景<strong>还没生成参考图</strong>。现在直接生成,出来的画面会跟你设定的对不上(像纯文生图、白花钱):
+            </div>
+            <div className="rg-list">
+              {refGate.missing.map((m) => (
+                <span className="rg-chip" key={`${m.type}:${m.name}`}>
+                  <span className={`rg-kind rg-kind-${m.type === "character" ? "person" : "scene"}`}>{m.type === "character" ? "角色" : "场景"}</span>
+                  {m.name}
+                </span>
+              ))}
+            </div>
+            <div className="rg-actions">
+              <button type="button" className="btn btn-primary" onClick={() => { setRefGate(null); goStage(2); }}>去补齐参考图</button>
+              <button type="button" className="btn btn-ghost rg-force" onClick={() => { const go = refGate.proceed; setRefGate(null); go(); }}>仍要生成 <span className="rg-warn">可能跟角色对不上</span></button>
+            </div>
+          </div>
+        </div>
+      )}
       {/* ── 流程步骤4 · 人物/场景详情弹窗:立绘 + 三视图(人物)+ 提示词重获 + 版本历史 + 应用到当前项目 ── */}
       {adDetail && (() => {
         const entities = buildEntities(adDetail.kind);