diff --git a/app/src/main/java/io/legado/app/ui/bookinfo/BookInfoActivity.kt b/app/src/main/java/io/legado/app/ui/bookinfo/BookInfoActivity.kt
index 92e5c15c3..a4bb266bd 100644
--- a/app/src/main/java/io/legado/app/ui/bookinfo/BookInfoActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/bookinfo/BookInfoActivity.kt
@@ -133,6 +133,6 @@ class BookInfoActivity : VMBaseActivity<BookInfoViewModel>(R.layout.activity_boo
     }
 
     override fun changeTo(book: Book) {
-        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt b/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
index 16b35573a..55266c02e 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
@@ -202,6 +202,6 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_rea
     }
 
     override fun changeTo(book: Book) {
-        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+
     }
 }
\ No newline at end of file