diff --git a/apps/web/src/api/viral-video/types.ts b/apps/web/src/api/viral-video/types.ts
index 54b38c06b..01d7c894e 100644
--- a/apps/web/src/api/viral-video/types.ts
+++ b/apps/web/src/api/viral-video/types.ts
@@ -1,8 +1,8 @@
-export type FusionLevel = "full_ai" | "polish" | "as_is"
+export type FusionLevel = "ai_full" | "ai_polish" | "user_primary"
 export const FUSION_LEVELS: { value: FusionLevel; label: string; desc: string }[] = [
-  { value: "full_ai", label: "AI 全写", desc: "给我方向，全由AI创作" },
-  { value: "polish", label: "AI润色", desc: "我写草稿，AI帮我润色" },
-  { value: "as_is", label: "按我写的来", desc: "几乎不改我的文案" },
+  { value: "ai_full", label: "AI 全写", desc: "给我方向，全由AI创作" },
+  { value: "ai_polish", label: "AI润色", desc: "我写草稿，AI帮我润色" },
+  { value: "user_primary", label: "按我写的来", desc: "几乎不改我的文案" },
 ]
 
 export type StyleStrength = "light" | "medium" | "strict"
diff --git a/apps/web/src/pages/viral-video/ViralVideoPage.tsx b/apps/web/src/pages/viral-video/ViralVideoPage.tsx
index ffec6f64e..b0e9763a0 100644
--- a/apps/web/src/pages/viral-video/ViralVideoPage.tsx
+++ b/apps/web/src/pages/viral-video/ViralVideoPage.tsx
@@ -121,7 +121,7 @@ const emptyTask = (id: string, title: string): TabTask => ({
   title,
   images: [],
   refVideo: null,
-  fusionLevel: "full_ai",
+  fusionLevel: "ai_full",
   styleStrength: "medium",
   voiceId: "",
   userCopy: "",
@@ -425,7 +425,7 @@ const ViralVideoPage: React.FC = () => {
         images: imgUrls,
         reference_video_url: task.refVideo?.ossUrl || undefined,
         style_strength: task.refVideo?.ossUrl ? task.styleStrength : undefined,
-        user_copy_text: task.fusionLevel !== "full_ai" ? task.userCopy : undefined,
+        user_copy_text: task.fusionLevel !== "ai_full" ? task.userCopy : undefined,
         fusion_level: task.fusionLevel,
         // 注意：STEP1「开始分析」阶段还没有真正开始生成视频，后端会跑到 WAIT_USER_CONFIRM 暂停。
         // 配音和视频参数在 STEP2 确认文案时由 confirm-intent 继续使用；但后端接口目前只接收一次 payload，
@@ -816,14 +816,14 @@ const ViralVideoPage: React.FC = () => {
             </div>
             <div className="vv-form-row">
               <label className="vv-label">
-                {task.fusionLevel === "full_ai"
+                {task.fusionLevel === "ai_full"
                   ? "你想拍什么？（给 AI 方向即可，可选）"
                   : "写下你的文案/草稿"}
               </label>
               <textarea
                 className="vv-textarea"
                 placeholder={
-                  task.fusionLevel === "full_ai"
+                  task.fusionLevel === "ai_full"
                     ? "例：夏季上新的连衣裙，突出清爽、显白、百搭"
                     : "例：姐妹们！这件连衣裙夏天穿太清爽了…"
                 }