diff --git a/project/短视频脚本创作/V1.0/mcn-work-shop/public/data-pages.js b/project/短视频脚本创作/V1.0/mcn-work-shop/public/data-pages.js
index de43211..27f6e40 100644
--- a/project/短视频脚本创作/V1.0/mcn-work-shop/public/data-pages.js
+++ b/project/短视频脚本创作/V1.0/mcn-work-shop/public/data-pages.js
@@ -197,7 +197,7 @@ function reqMdOf(w) {
 function reqLines(w) {
   const lines = REQ_FIELDS.filter(([k]) => String(w[k] || '').trim()).map(([k, label]) => `- ${label}：${String(w[k]).trim()}`);
   const dur = String(w.dur || '').trim();
-  if (dur) lines.push(`- 时长目标：${dur}`);
+  if (dur) lines.push(`- 时长：${dur}`);
   return lines;
 }
 // 组装创作 prompt：人设块在前（既有铁律），需求+附件素材在后；空维度不输出由 AI 自主决策
@@ -246,9 +246,9 @@ async function confirmAiScript(accountName, btn) {
       <div class="req-sheet" id="reqSheet"></div>
     </div>
     <div class="req-opts">
-      <span class="opts-label">时长目标</span>
+      <span class="opts-label">时长</span>
       <select id="reqDur" class="input-select req-dur-sel">
-        <option value="">未指定（由 AI 定）</option>
+        <option value="">自动</option>
         <option value="30">30 秒</option>
         <option value="60">60 秒</option>
         <option value="120">120 秒</option>
diff --git a/project/短视频脚本创作/V1.0/mcn-work-shop/public/style.css b/project/短视频脚本创作/V1.0/mcn-work-shop/public/style.css
index 2294ff2..fd0cdda 100644
--- a/project/短视频脚本创作/V1.0/mcn-work-shop/public/style.css
+++ b/project/短视频脚本创作/V1.0/mcn-work-shop/public/style.css
@@ -254,6 +254,7 @@ main { height: calc(100vh - 54px); }
 .req-dur-sel { flex: none; width: 168px; }
 .req-dur-num { flex: none; width: 76px; }
 .req-dur-custom { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; color: var(--dim); }
+.req-dur-custom[hidden] { display: none; } /* 防 display 覆盖 hidden：默认隐藏，选中自定义才显示 */
 /* 提交创作确认弹窗 */
 .req-confirm-label { font-size: 13px; color: var(--dim); margin: 10px 0 6px; }
 .req-confirm-box {