diff --git a/apps/web/src/pages/ai-avatar/utils/contract.ts b/apps/web/src/pages/ai-avatar/utils/contract.ts
index d8d361028..f660f07d6 100644
--- a/apps/web/src/pages/ai-avatar/utils/contract.ts
+++ b/apps/web/src/pages/ai-avatar/utils/contract.ts
@@ -6,21 +6,50 @@
  */
 import type { AiAvatarTitleConfig, AiAvatarCoverConfig, VoiceEmotion } from "../types"
 
-/* ── 情绪：中文 → 英文（防御性映射；state 默认已是英文） ── */
-const EMOTION_ZH_TO_EN: Record<string, VoiceEmotion> = {
-  自然: "natural",
-  兴奋: "excited",
-  沉稳: "calm",
-  亲切: "friendly",
+/* ── 情绪：中文/旧枚举 → CosyVoice 7 种英文枚举 ── */
+const EMOTION_ALIAS: Record<string, VoiceEmotion> = {
+  // 新英文枚举
+  neutral: "neutral",
+  happy: "happy",
+  sad: "sad",
+  angry: "angry",
+  surprised: "surprised",
+  fearful: "fearful",
+  disgusted: "disgusted",
+  // 旧英文枚举（4 种，向前兼容）
+  natural: "neutral",
+  excited: "happy",
+  calm: "neutral",
+  friendly: "happy",
+  // 中文
+  自然: "neutral",
+  开心: "happy",
+  难过: "sad",
+  生气: "angry",
+  惊讶: "surprised",
+  恐惧: "fearful",
+  厌恶: "disgusted",
+  // 旧中文
+  兴奋: "happy",
+  沉稳: "neutral",
+  亲切: "happy",
 }
-const VALID_EMOTIONS: VoiceEmotion[] = ["natural", "excited", "calm", "friendly"]
+const VALID_EMOTIONS: VoiceEmotion[] = [
+  "neutral",
+  "happy",
+  "sad",
+  "angry",
+  "surprised",
+  "fearful",
+  "disgusted",
+]
 
-/** 归一化为后端英文枚举 natural/excited/calm/friendly；非法/空值回退 natural。 */
+/** 归一化为后端英文枚举 neutral/happy/sad/angry/surprised/fearful/disgusted；非法/空值回退 neutral。 */
 export function normalizeEmotion(raw: string | undefined | null): VoiceEmotion {
-  if (!raw) return "natural"
+  if (!raw) return "neutral"
   const v = raw.trim()
   if ((VALID_EMOTIONS as string[]).includes(v)) return v as VoiceEmotion
-  return EMOTION_ZH_TO_EN[v] ?? "natural"
+  return EMOTION_ALIAS[v] ?? "neutral"
 }
 
 /* ── 标题：前端 state → 后端 build_title_drawtext_filter 字段（单个 title_config dict） ── */