diff --git a/kernel/model/bookmark.go b/kernel/model/bookmark.go
index 64db0b445..1ab9551fb 100644
--- a/kernel/model/bookmark.go
+++ b/kernel/model/bookmark.go
@@ -162,6 +162,8 @@ func BuildBookmark() (ret *Bookmarks) {
 	WaitForWritingFiles()
 	if !sql.IsEmptyQueue() {
 		sql.WaitForWritingDatabase()
+	} else {
+		util.RandomSleep(200, 500)
 	}
 
 	ret = &Bookmarks{}
diff --git a/kernel/model/tag.go b/kernel/model/tag.go
index 0da6a8aee..a56ce975c 100644
--- a/kernel/model/tag.go
+++ b/kernel/model/tag.go
@@ -235,6 +235,8 @@ func BuildTags() (ret *Tags) {
 	WaitForWritingFiles()
 	if !sql.IsEmptyQueue() {
 		sql.WaitForWritingDatabase()
+	} else {
+		util.RandomSleep(200, 500)
 	}
 
 	ret = &Tags{}