diff --git a/db/const.go b/db/const.go
index 607fda2..cd92b63 100644
--- a/db/const.go
+++ b/db/const.go
@@ -14,6 +14,7 @@ const (
 	SettingNfoSupportEnabled      = "nfo_support_enabled"
 	SettingAllowQiangban          = "filter_qiangban"
 	SettingEnableTmdbAdultContent = "tmdb_adult_content"
+	SetttingSizeLimiter           = "size_limiter"
 )
 
 const (
@@ -37,3 +38,14 @@ const (
 type ResolutionType string
 
 const JwtSerectKey = "jwt_secrect_key"
+
+type SizeLimiter struct {
+	R720p  Limiter `json:"720p"`
+	R1080p Limiter `json:"1080p"`
+	R2160p Limiter `json:"2160p"`
+}
+
+type Limiter struct {
+	Max int `json:"max"`
+	Min int `json:"min"`
+}
diff --git a/db/db.go b/db/db.go
index 4534289..92b1aa0 100644
--- a/db/db.go
+++ b/db/db.go
@@ -530,6 +530,16 @@ func (c *Client) SetEpisodeStatus(id int, status episode.Status) error {
 	return c.ent.Episode.Update().Where(episode.ID(id)).SetStatus(status).Exec(context.TODO())
 }
 
+func (c *Client) IsEpisodeDownloadingOrDownloaded(id int) bool {
+	his := c.ent.History.Query().Where(history.EpisodeID(id)).AllX(context.Background())
+	for _, h := range his {
+		if h.Status != history.StatusFail {
+			return true
+		}
+	}
+	return false
+}
+
 func (c *Client) SetSeasonAllEpisodeStatus(mediaID, seasonNum int, status episode.Status) error {
 	return c.ent.Episode.Update().Where(episode.MediaID(mediaID), episode.SeasonNumber(seasonNum)).SetStatus(status).Exec(context.TODO())
 }
@@ -602,4 +612,19 @@ func (c *Client) AddImportlist(il *ent.ImportList) error {
 
 func (c *Client) DeleteImportlist(id int) error {
 	return c.ent.ImportList.DeleteOneID(id).Exec(context.TODO())
+}
+
+func (c *Client) GetSizeLimiter() (*SizeLimiter, error) {
+	v := c.GetSetting(SetttingSizeLimiter)
+	var limiter SizeLimiter
+	err := json.Unmarshal([]byte(v), &limiter)
+	return &limiter, err
+}
+
+func (c *Client) SetSizeLimiter(limiter *SizeLimiter) error {
+	data, err := json.Marshal(limiter)
+	if err != nil {
+		return err
+	}
+	return c.SetSetting(SetttingSizeLimiter, string(data))
 }
\ No newline at end of file
diff --git a/pkg/importlist/douban/douban.go b/pkg/importlist/douban/douban.go
index 3aba7bf..b1c378c 100644
--- a/pkg/importlist/douban/douban.go
+++ b/pkg/importlist/douban/douban.go
@@ -55,7 +55,7 @@ func ParseDoulist(doulistUrl string) (*importlist.Response, error) {
 					continue
 				} else {
 					n := ppp[1]
-					n1, err := strconv.Atoi(n)
+					n1, err := strconv.Atoi(strings.TrimSpace(n))
 					if err != nil {
 						log.Errorf("convert year number %s to int error: %v", n, err)
 						continue