diff --git a/app/src/main/java/io/legado/app/data/entities/Bookmark.kt b/app/src/main/java/io/legado/app/data/entities/Bookmark.kt
index 46db12e35..e844fb4b8 100644
--- a/app/src/main/java/io/legado/app/data/entities/Bookmark.kt
+++ b/app/src/main/java/io/legado/app/data/entities/Bookmark.kt
@@ -25,6 +25,6 @@ data class Bookmark(
 ) : Parcelable {
 
     @Ignore
-    constructor() : this(bookName = "")
+    constructor() : this(time = System.currentTimeMillis())
 
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/data/entities/HttpTTS.kt b/app/src/main/java/io/legado/app/data/entities/HttpTTS.kt
index cbc6a05da..0fff5786e 100644
--- a/app/src/main/java/io/legado/app/data/entities/HttpTTS.kt
+++ b/app/src/main/java/io/legado/app/data/entities/HttpTTS.kt
@@ -27,7 +27,7 @@ data class HttpTTS(
 ) : BaseSource {
 
     @Ignore
-    constructor() : this(name = "")
+    constructor() : this(id = System.currentTimeMillis())
 
     override fun getTag(): String {
         return name