diff --git a/src/fsrs/models.ts b/src/fsrs/models.ts
index c70a739..c0516e2 100644
--- a/src/fsrs/models.ts
+++ b/src/fsrs/models.ts
@@ -2,18 +2,18 @@ export type StateType = "New" | "Learning" | "Review" | "Relearning";
 
 export enum State {
   New = 0,
-  Learning,
-  Review,
-  Relearning,
+  Learning = 1,
+  Review = 2,
+  Relearning = 3,
 }
 
 export type RatingType = "Again" | "Hard" | "Good" | "Easy";
 
 export enum Rating {
   Again = 1,
-  Hard,
-  Good,
-  Easy,
+  Hard = 2,
+  Good = 3,
+  Easy = 4,
 }
 
 export interface ReviewLog {
@@ -23,21 +23,23 @@ export interface ReviewLog {
   scheduled_days: number;
   review: Date;
 }
-
+export type RecordLogItem = {
+  card: Card; log: ReviewLog
+}
 export type RecordLog = {
-  [key in Rating]: { card: Card; log: ReviewLog };
+  [key in Rating]: RecordLogItem;
 };
 
 export interface Card {
-  due: Date;
-  stability: number; // 稳定性
-  difficulty: number; //难度
-  elapsed_days: number;
-  scheduled_days: number;
-  reps: number;
-  lapses: number;
-  state: State;
-  last_review?: Date;
+  due: Date; // Due date
+  stability: number; // Stability
+  difficulty: number; // Difficulty level
+  elapsed_days: number; // Number of days elapsed
+  scheduled_days: number; // Number of days scheduled
+  reps: number; // Repetition count
+  lapses: number; // Number of lapses or mistakes
+  state: State; // Card's state (New, Learning, Review, Relearning)
+  last_review?: Date; // Date of the last review (optional)
 }
 
 export type CardInput = Card & { state: StateType | State };