优化

app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt

@@ -102,7 +102,6 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
         book: Book,
         changeDruChapterIndex: ((chapters: List<BookChapter>) -> Unit)? = null,
     ) {
-        execute {
         if (book.isLocalBook()) {
             loadChapterList(book, changeDruChapterIndex)
         } else {
@@ -112,14 +111,13 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
                 }
         }
     }
-    }
 
     fun loadChapterList(
         book: Book,
         changeDruChapterIndex: ((chapters: List<BookChapter>) -> Unit)? = null,
     ) {
-        execute {
         if (book.isLocalBook()) {
+            execute {
                 LocalBook.getChapterList(book).let {
                     App.db.bookChapterDao().delByBook(book.bookUrl)
                     App.db.bookChapterDao().insert(*it.toTypedArray())
@@ -132,6 +130,9 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
                         ReadBook.loadContent(resetPageOffset = true)
                     }
                 }
+            }.onError {
+                ReadBook.upMsg("LoadTocError:${it.localizedMessage}")
+            }
         } else {
             ReadBook.webBook?.getChapterList(book, this)
                 ?.onSuccess(IO) { cList ->
@@ -152,9 +153,6 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
                     ReadBook.upMsg(context.getString(R.string.error_load_toc))
                 }
         }
-        }.onError {
-            ReadBook.upMsg("LoadTocError:${it.localizedMessage}")
-        }
     }
 
     fun changeTo(newBook: Book) {