diff --git a/models/stories/chapter.ts b/models/stories/chapter.ts
index b6b8f6c..4a9d84b 100644
--- a/models/stories/chapter.ts
+++ b/models/stories/chapter.ts
@@ -4,7 +4,7 @@ export interface IChapter {
 	title: string;
 	summary: string;
 	id?: number;
-	// index: number;
+	index: number;
 	words?: number;
 	notes: string;
 	genre: string[];
@@ -25,6 +25,9 @@ export const Chapter = new Schema<IChapter>({
 	id: {
 		type: Number,
 	},
+	index: {
+		type: Number,
+	},
 	summary: {
 		type: String,
 	},