diff --git a/short_drama.db b/short_drama.db
index e9e79d8..9e2193a 100644
Binary files a/short_drama.db and b/short_drama.db differ
diff --git a/shortdrama/model/domain/shot.go b/shortdrama/model/domain/shot.go
index ddff7cb..7c419f2 100644
--- a/shortdrama/model/domain/shot.go
+++ b/shortdrama/model/domain/shot.go
@@ -53,10 +53,10 @@ func writeShotFields(b *strings.Builder, s Shot) {
 		fmt.Fprintf(b, "事件：%s\n", s.Event)
 	}
 	if s.Dialogue != "" {
-		fmt.Fprintf(b, "台词：%s\n", s.Dialogue)
+		fmt.Fprintf(b, "台词：%s（角色开口说）\n", s.Dialogue)
 	}
 	if s.Narration != "" {
-		fmt.Fprintf(b, "画外音：%s\n", s.Narration)
+		fmt.Fprintf(b, "画外音：%s（角色不开口，仅播放旁白配音）\n", s.Narration)
 	}
 	if s.AmbientSound != "" {
 		fmt.Fprintf(b, "环境音：%s\n", s.AmbientSound)
diff --git a/shortdrama/service/episode_service.go b/shortdrama/service/episode_service.go
index 0a899db..ba19f57 100644
--- a/shortdrama/service/episode_service.go
+++ b/shortdrama/service/episode_service.go
@@ -247,9 +247,6 @@ func (s *episodeService) GenerateScript(ctx context.Context, dramaId int64, epis
 	fastCharPerSecond := g.Cfg().MustGet(ctx, "speech.fastCharPerSecond", 6).Int()
 	slowCharPerSecond := g.Cfg().MustGet(ctx, "speech.slowCharPerSecond", 3).Int()
 
-	// 在发送给AI前，截断超出朗读预算的剧情描述，避免AI生成时长不足的镜头
-	description = truncateDescriptionForDuration(description, int(d.EpisodeDuration), charPerSecond)
-
 	systemPrompt := PromptService.GetScriptGenerationPrompt(ctx)
 	userInput := s.buildScriptGenUserInput(ctx, d, episodeTitle, description, genCtx, refTemplate, videoModel)
 
@@ -750,24 +747,26 @@ func createPendingTasks(ctx context.Context, dramaId, epId int64, script string,
 
 		// ============ 直接为各分段创建生成任务（script 按模型配置的 API 请求体格式构建）============
 		segDurs := calcSegDurs(d.EpisodeDuration, modelCfg)
-		segStartTimes := make([]int, len(segDurs))
-		for i := 1; i < len(segDurs); i++ {
-			segStartTimes[i] = segStartTimes[i-1] + segDurs[i-1]
-		}
+		// 按镜头数量均分到各分段（避免时间窗口切分导致的空段或信息不全）
+		totalShots := len(allShots)
+		numSegs := len(segDurs)
+		base := totalShots / numSegs
+		extra := totalShots % numSegs
+		shotIdx := 0
 		for segIdx, segDur := range segDurs {
-			segEndTime := segStartTimes[segIdx] + segDur
-			var segShots []domain.Shot
-			for _, sh := range allShots {
-				shStart := parseMMSSToSeconds(sh.StartTime)
-				if shStart < segStartTimes[segIdx] || shStart >= segEndTime {
-					continue
-				}
-				segShots = append(segShots, sh)
+			count := base
+			if segIdx < extra {
+				count++
+			}
+			end := shotIdx + count
+			if end > totalShots {
+				end = totalShots
 			}
 			taskGroups = append(taskGroups, _taskGroup{
-				promptText: domain.ShotsToPromptText(segShots),
+				promptText: domain.ShotsToPromptText(allShots[shotIdx:end]),
 				dur:        segDur,
 			})
+			shotIdx = end
 		}
 	} else {
 		// 纯文本脚本：按 calcSegDurs 拆段 + splitScriptForSegment 切分（保留原逻辑）