diff --git a/qwen3-tts-backend/core/audiobook_service.py b/qwen3-tts-backend/core/audiobook_service.py
index 013e568..ce09250 100644
--- a/qwen3-tts-backend/core/audiobook_service.py
+++ b/qwen3-tts-backend/core/audiobook_service.py
@@ -398,9 +398,12 @@ async def parse_one_chapter(project_id: int, chapter_id: int, user: User, db) ->
                 char = char_map.get(seg.get("character", "narrator")) or char_map.get("narrator")
                 if not char:
                     continue
+                seg_emo_text = seg.get("emo_text", "") or None
+                seg_emo_alpha = seg.get("emo_alpha") if seg_emo_text else None
                 crud.create_audiobook_segment(
                     db, project_id, char.id, seg_text,
                     chapter.chapter_index, seg_counter,
+                    emo_text=seg_emo_text, emo_alpha=seg_emo_alpha,
                 )
                 seg_counter += 1
                 chunk_count += 1
@@ -580,8 +583,8 @@ async def generate_project(project_id: int, user: User, db: Session, chapter_ind
                         text=seg.text,
                         spk_audio_prompt=design.ref_audio_path,
                         output_path=str(audio_path),
-                        emo_text=char.instruct or None,
-                        emo_alpha=0.6,
+                        emo_text=seg.emo_text or None,
+                        emo_alpha=seg.emo_alpha if seg.emo_text else 0.5,
                     )
                 else:
                     if design.voice_cache_id:
diff --git a/qwen3-tts-backend/core/llm_service.py b/qwen3-tts-backend/core/llm_service.py
index 9908104..b93613b 100644
--- a/qwen3-tts-backend/core/llm_service.py
+++ b/qwen3-tts-backend/core/llm_service.py
@@ -201,9 +201,14 @@ class LLMService:
         system_prompt = (
             "你是一个专业的有声书制作助手。请将给定的章节文本解析为对话片段列表。"
             f"已知角色列表（必须从中选择）：{names_str}。"
-            "所有非对话的叙述文字归属于narrator角色。"
+            "所有非对话的叙述文字归属于narrator角色。\n"
+            "同时根据语境为每个片段判断情绪，可选情绪及对应强度如下（必须严格使用以下值）：\n"
+            "开心(emo_alpha=0.6)、愤怒(emo_alpha=0.15)、悲伤(emo_alpha=0.4)、恐惧(emo_alpha=0.4)、"
+            "厌恶(emo_alpha=0.6)、低沉(emo_alpha=0.6)、惊讶(emo_alpha=0.3)、中性(emo_alpha=0.5)。\n"
+            "narrator旁白及情绪不明显的片段，emo_text设为\"\"，emo_alpha设为0.5。\n"
             "只输出JSON数组，不要有其他文字，格式如下：\n"
-            '[{"character": "narrator", "text": "叙述文字"}, {"character": "角色名", "text": "对话内容"}, ...]'
+            '[{"character": "narrator", "text": "叙述文字", "emo_text": "", "emo_alpha": 0.5}, '
+            '{"character": "角色名", "text": "对话内容", "emo_text": "开心", "emo_alpha": 0.6}, ...]'
         )
         user_message = f"请解析以下章节文本：\n\n{chapter_text}"
         result = await self.stream_chat_json(system_prompt, user_message, on_token, max_tokens=16384)
diff --git a/qwen3-tts-backend/db/crud.py b/qwen3-tts-backend/db/crud.py
index 1d0b220..789f2e3 100644
--- a/qwen3-tts-backend/db/crud.py
+++ b/qwen3-tts-backend/db/crud.py
@@ -593,6 +593,8 @@ def create_audiobook_segment(
     text: str,
     chapter_index: int = 0,
     segment_index: int = 0,
+    emo_text: Optional[str] = None,
+    emo_alpha: Optional[float] = None,
 ) -> AudiobookSegment:
     seg = AudiobookSegment(
         project_id=project_id,
@@ -600,6 +602,8 @@ def create_audiobook_segment(
         text=text,
         chapter_index=chapter_index,
         segment_index=segment_index,
+        emo_text=emo_text or None,
+        emo_alpha=emo_alpha,
         status="pending",
     )
     db.add(seg)
diff --git a/qwen3-tts-backend/db/database.py b/qwen3-tts-backend/db/database.py
index f81b2eb..2d87988 100644
--- a/qwen3-tts-backend/db/database.py
+++ b/qwen3-tts-backend/db/database.py
@@ -40,3 +40,12 @@ def init_db():
                 conn.commit()
             except Exception:
                 pass
+            for col_def in [
+                "ALTER TABLE audiobook_segments ADD COLUMN emo_text VARCHAR(20)",
+                "ALTER TABLE audiobook_segments ADD COLUMN emo_alpha REAL",
+            ]:
+                try:
+                    conn.execute(__import__("sqlalchemy").text(col_def))
+                    conn.commit()
+                except Exception:
+                    pass
diff --git a/qwen3-tts-backend/db/models.py b/qwen3-tts-backend/db/models.py
index 59b2667..b456c52 100644
--- a/qwen3-tts-backend/db/models.py
+++ b/qwen3-tts-backend/db/models.py
@@ -1,6 +1,6 @@
 from datetime import datetime
 from enum import Enum
-from sqlalchemy import Column, Integer, String, Boolean, DateTime, ForeignKey, Text, Index, JSON
+from sqlalchemy import Column, Integer, String, Boolean, DateTime, Float, ForeignKey, Text, Index, JSON
 from sqlalchemy.orm import relationship
 
 from db.database import Base
@@ -189,6 +189,8 @@ class AudiobookSegment(Base):
     segment_index = Column(Integer, nullable=False)
     character_id = Column(Integer, ForeignKey("audiobook_characters.id"), nullable=False)
     text = Column(Text, nullable=False)
+    emo_text = Column(String(20), nullable=True)
+    emo_alpha = Column(Float, nullable=True)
     audio_path = Column(String(500), nullable=True)
     status = Column(String(20), default="pending", nullable=False)
 
diff --git a/qwen3-tts-backend/schemas/audiobook.py b/qwen3-tts-backend/schemas/audiobook.py
index 936f9cd..c2ee3f3 100644
--- a/qwen3-tts-backend/schemas/audiobook.py
+++ b/qwen3-tts-backend/schemas/audiobook.py
@@ -81,6 +81,8 @@ class AudiobookSegmentResponse(BaseModel):
     character_id: int
     character_name: Optional[str] = None
     text: str
+    emo_text: Optional[str] = None
+    emo_alpha: Optional[float] = None
     audio_path: Optional[str] = None
     status: str
 
diff --git a/qwen3-tts-frontend/src/lib/api/audiobook.ts b/qwen3-tts-frontend/src/lib/api/audiobook.ts
index 155e6e6..99d4ec8 100644
--- a/qwen3-tts-frontend/src/lib/api/audiobook.ts
+++ b/qwen3-tts-frontend/src/lib/api/audiobook.ts
@@ -45,6 +45,8 @@ export interface AudiobookSegment {
   character_id: number
   character_name?: string
   text: string
+  emo_text?: string
+  emo_alpha?: number
   audio_path?: string
   status: string
 }
diff --git a/qwen3-tts-frontend/src/pages/Audiobook.tsx b/qwen3-tts-frontend/src/pages/Audiobook.tsx
index 5acdae1..a45537d 100644
--- a/qwen3-tts-frontend/src/pages/Audiobook.tsx
+++ b/qwen3-tts-frontend/src/pages/Audiobook.tsx
@@ -1082,6 +1082,11 @@ function ProjectCard({ project, onRefresh }: { project: AudiobookProject; onRefr
                                 <Badge variant="outline" className="text-xs shrink-0">
                                   {seg.character_name || t('projectCard.segments.unknownCharacter')}
                                 </Badge>
+                                {seg.emo_text && (
+                                  <Badge variant="secondary" className="text-xs shrink-0">
+                                    {seg.emo_text}
+                                  </Badge>
+                                )}
                                 {seg.status === 'generating' && <Loader2 className="h-3 w-3 animate-spin text-muted-foreground" />}
                                 {seg.status === 'error' && <Badge variant="destructive" className="text-xs">{t('projectCard.segments.errorBadge')}</Badge>}
                               </div>