diff --git a/app/src/main/assets/help/webDavHelp.md b/app/src/main/assets/help/webDavHelp.md
index 50bbcb13a..62f7e9b0d 100644
--- a/app/src/main/assets/help/webDavHelp.md
+++ b/app/src/main/assets/help/webDavHelp.md
@@ -17,7 +17,3 @@
 
 * 设置好备份之后每次退出App会自动进行备份
 * WebDav同一天的备份会覆盖,不同日期的备份不会覆盖
-
-### 手动恢复备份说明
-
-* 从WebDav手动下载备份文件需要解压才能恢复
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt b/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt
index 434fd9fde..9fd0b0399 100644
--- a/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt
@@ -473,8 +473,13 @@ class BookInfoActivity :
                     negativeButton(R.string.no)
                 }
             } else {
-                viewModel.delBook {
-                    upTvBookshelf()
+                alert(R.string.sure, R.string.sure_del) {
+                    okButton {
+                        viewModel.delBook {
+                            upTvBookshelf()
+                        }
+                    }
+                    noButton()
                 }
             }
         }