diff --git a/web/service/srv_playlet/playlet.go b/web/service/srv_playlet/playlet.go
index 73b2348..bea8a12 100644
--- a/web/service/srv_playlet/playlet.go
+++ b/web/service/srv_playlet/playlet.go
@@ -1619,6 +1619,10 @@ func applyPlayletDescription(doc *playletmod.Playlet) {
 	}
 	doc.Description = description
 	doc.SeoInfo.Description = description
+	// SEO 标题跟随 Playlet.Title 同步。
+	if title := strings.TrimSpace(doc.Title); title != "" {
+		doc.SeoInfo.Title = title
+	}
 }
 
 func applyPlayletDescriptionOnUpdate(exist *playletmod.Playlet, req *proto.PlayletUpdateReq, setDoc bson.M) {
@@ -1632,6 +1636,10 @@ func applyPlayletDescriptionOnUpdate(exist *playletmod.Playlet, req *proto.Playl
 	if playName == "" {
 		return
 	}
+	title := strings.TrimSpace(exist.Title)
+	if req.Title != nil {
+		title = strings.TrimSpace(*req.Title)
+	}
 	desc := exist.Desc
 	if req.Desc != nil {
 		desc = strings.TrimSpace(*req.Desc)
@@ -1654,7 +1662,11 @@ func applyPlayletDescriptionOnUpdate(exist *playletmod.Playlet, req *proto.Playl
 		}
 	}
 	seo = normalizeSeoValue(seo)
+	// 每次 description 更新 → SEO 描述、SEO 标题同步。
 	seo.Description = description
+	if title != "" {
+		seo.Title = title
+	}
 	setDoc["seoInfo"] = seo
 }