优化

app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt

@@ -473,10 +473,15 @@ class BookInfoActivity :
                     negativeButton(R.string.no)
                 }
             } else {
+                alert(R.string.sure, R.string.sure_del) {
+                    okButton {
                         viewModel.delBook {
                             upTvBookshelf()
                         }
                     }
+                    noButton()
+                }
+            }
         }
     }