diff --git a/backend/internal/controllers/share.go b/backend/internal/controllers/share.go
index e4eb478..fcc3b97 100644
--- a/backend/internal/controllers/share.go
+++ b/backend/internal/controllers/share.go
@@ -20,7 +20,7 @@ type CreateShareProps struct {
 }
 
 type ShareConfig struct {
-	ExpireAt      string   `json:"expire_time"`
+	ExpireAt      int      `json:"expire_time"`
 	ViewNum       int64    `json:"download_nums"`
 	HasPassword   bool     `json:"has_password"`
 	Password      string   `json:"password"`
@@ -36,11 +36,10 @@ func CreateShareInfo(c echo.Context) error {
 	if err := cc.Bind(r); err != nil {
 		return utils.HTTPErrorHandler(c, err)
 	}
-
-	ExpireTime, err := time.Parse(time.RFC3339, r.Config.ExpireAt)
-	if err != nil {
-		return utils.HTTPErrorHandler(c, errors.New("分享过期时间格式错误"))
+	if r.Config.ExpireAt < 60 {
+		return utils.HTTPErrorHandler(c, errors.New("非法的分享过期时间"))
 	}
+	ExpireTime := time.Now().Add(time.Minute * time.Duration(r.Config.ExpireAt))
 
 	if r.Data == "" || (r.Type != models.ShareTypeFile && r.Type != models.ShareTypeText) || ExpireTime.Before(time.Now()) || r.Config.ViewNum < 1 {
 		return utils.HTTPErrorHandler(c, errors.New("调用接口参数错误"))
@@ -65,16 +64,16 @@ func CreateShareInfo(c echo.Context) error {
 	}
 
 	models.SetRedisShareInfo(id, models.RedisShareInfo{
-		Data:      r.Data,
-		Type:      r.Type,
-		CreatedAt: time.Now().Unix(),
-		Owner:     cc.Auth.(string),
-		// ExpireAt:    r.Config.ExpireAt,
+		Data:        r.Data,
+		Type:        r.Type,
+		CreatedAt:   time.Now().Unix(),
+		Owner:       cc.Auth.(string),
 		ViewNum:     r.Config.ViewNum,
 		Password:    r.Config.Password,
 		NotifyEmail: r.Config.NotifyEmail,
 		FileName:    r.FileName,
-	}, time.Until(ExpireTime))
+		ExpireAt:    ExpireTime.Unix(),
+	})
 
 	return utils.HTTPSuccessHandler(c, map[string]any{
 		"id":            id,
@@ -116,6 +115,7 @@ func GetShareInfo(c echo.Context) error {
 		}
 		return utils.HTTPSuccessHandler(c, map[string]any{
 			"id":            shareId,
+			"type":          shareInfo.Type,
 			"file_name":     shareInfo.FileName,
 			"download_nums": shareInfo.ViewNum,
 			"expire_at":     shareInfo.ExpireAt,
@@ -127,6 +127,7 @@ func GetShareInfo(c echo.Context) error {
 
 	return utils.HTTPSuccessHandler(c, map[string]any{
 		"id":            shareId,
+		"type":          shareInfo.Type,
 		"file_name":     shareInfo.FileName,
 		"download_nums": shareInfo.ViewNum,
 		"expire_at":     shareInfo.ExpireAt,
diff --git a/backend/internal/models/share.go b/backend/internal/models/share.go
index 261f424..0408fb3 100644
--- a/backend/internal/models/share.go
+++ b/backend/internal/models/share.go
@@ -33,7 +33,9 @@ const (
 
 func GetRedisShareInfo(shareId string) (*RedisShareInfo, error) {
 	rdb, ctx := utils.GetRedisClient()
-	shareInfoUnmarshalData, err := rdb.Get(ctx, fmt.Sprintf("015:shareInfoMap:%s", shareId)).Result()
+	shareInfo := rdb.Get(ctx, fmt.Sprintf("015:shareInfoMap:%s", shareId))
+	shareInfoUnmarshalData, err := shareInfo.Result()
+	ttl, _ := rdb.TTL(ctx, fmt.Sprintf("015:shareInfoMap:%s", shareId)).Result()
 	if err == redis.Nil {
 		return nil, nil
 	}
@@ -41,13 +43,15 @@ func GetRedisShareInfo(shareId string) (*RedisShareInfo, error) {
 		return nil, err
 	}
 	var shareInfoData RedisShareInfo
+
 	if err := json.Unmarshal([]byte(shareInfoUnmarshalData), &shareInfoData); err != nil {
 		return nil, err
 	}
+	shareInfoData.ExpireAt = time.Now().Add(ttl).Unix()
 	return &shareInfoData, nil
 }
 
-func SetRedisShareInfo(shareId string, shareInfo RedisShareInfo, ttl time.Duration) error {
+func SetRedisShareInfo(shareId string, shareInfo RedisShareInfo) error {
 	rdb, ctx := utils.GetRedisClient()
 	old_shareInfo, err := GetRedisShareInfo(shareId)
 	if err != nil {
@@ -57,6 +61,7 @@ func SetRedisShareInfo(shareId string, shareInfo RedisShareInfo, ttl time.Durati
 		mergo.Merge(&shareInfo, old_shareInfo)
 	}
 	jsonData, _ := json.Marshal(shareInfo)
-	_, err = rdb.Set(ctx, fmt.Sprintf("015:shareInfoMap:%s", shareId), string(jsonData), ttl).Result()
+
+	_, err = rdb.Set(ctx, fmt.Sprintf("015:shareInfoMap:%s", shareId), string(jsonData), time.Duration(shareInfo.ExpireAt)).Result()
 	return err
 }