diff --git a/openapi/components/subject_v0.yaml b/openapi/components/subject_v0.yaml
index 7bf9df61e..0c8c3ecc7 100644
--- a/openapi/components/subject_v0.yaml
+++ b/openapi/components/subject_v0.yaml
@@ -10,6 +10,7 @@ required:
   - platform
   - volumes
   - eps
+  - series
   - total_episodes
   - rating
   - images
@@ -34,6 +35,10 @@ properties:
   summary:
     title: Summary
     type: string
+  series:
+    title: Series
+    type: boolean
+    description: 是否为书籍系列的主条目
   nsfw:
     title: Nsfw
     type: boolean
@@ -47,7 +52,7 @@ properties:
   platform:
     title: Platform
     type: string
-    description: TV, Web, 欧美剧, PS4...
+    description: TV, Web, 欧美剧, DLC...
   images:
     $ref: "./subject_image.yaml"
   infobox:
diff --git a/web/handler/subject/get.go b/web/handler/subject/get.go
index 6e57bfbc4..e7f0f623a 100644
--- a/web/handler/subject/get.go
+++ b/web/handler/subject/get.go
@@ -142,6 +142,7 @@ func convertModelSubject(s model.Subject, totalEpisode int64) res.SubjectV0 {
 			Doing:   s.Doing,
 		},
 		TypeID: s.TypeID,
+		Series: s.Series,
 		Locked: s.Locked(),
 		NSFW:   s.NSFW,
 		Rating: res.Rating{
diff --git a/web/res/subject.go b/web/res/subject.go
index d981c87b7..39f36e54c 100644
--- a/web/res/subject.go
+++ b/web/res/subject.go
@@ -48,10 +48,11 @@ type SubjectV0 struct {
 	ID            model.SubjectID       `json:"id"`
 	Eps           uint32                `json:"eps"`
 	Volumes       uint32                `json:"volumes"`
-	Redirect      model.SubjectID       `json:"-"`
+	Series        bool                  `json:"series"`
 	Locked        bool                  `json:"locked"`
 	NSFW          bool                  `json:"nsfw"`
 	TypeID        model.SubjectType     `json:"type"`
+	Redirect      model.SubjectID       `json:"-"`
 }
 
 type SlimSubjectV0 struct {