优化

app/src/main/java/io/legado/app/ui/book/audio/AudioPlayViewModel.kt

@@ -100,6 +100,7 @@ class AudioPlayViewModel(application: Application) : BaseViewModel(application)
             } else {
                 loadChapterList(book1) { upChangeDurChapterIndex(book1, oldTocSize, it) }
             }
+        }.onFinally {
             postEvent(EventBus.SOURCE_CHANGED, book1.bookUrl)
         }
     }

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

@@ -169,6 +169,7 @@ class BookInfoViewModel(application: Application) : BaseViewModel(application) {
                     upChangeDurChapterIndex(newBook, oldTocSize, it)
                 }
             }
+        }.onFinally {
             postEvent(EventBus.SOURCE_CHANGED, newBook.bookUrl)
         }
     }

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

@@ -209,6 +209,7 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
                     upChangeDurChapterIndex(newBook, oldTocSize, it)
                 }
             }
+        }.onFinally {
             postEvent(EventBus.SOURCE_CHANGED, newBook.bookUrl)
         }
     }