优化

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

@@ -39,6 +39,7 @@ import io.legado.app.utils.mapParallelSafe
 import io.legado.app.utils.postEvent
 import io.legado.app.utils.toStringArray
 import io.legado.app.utils.toastOnUi
+import kotlinx.coroutines.ensureActive
 import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.flow.flow
@@ -51,6 +52,7 @@ import java.io.File
 import java.io.FileInputStream
 import java.io.FileNotFoundException
 import java.io.FileOutputStream
+import kotlin.coroutines.coroutineContext
 
 /**
  * 阅读界面数据处理
@@ -164,6 +166,7 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
             WebBook.getBookInfoAwait(source, book, canReName = false)
             return true
         } catch (e: Throwable) {
+            coroutineContext.ensureActive()
             ReadBook.upMsg("详情页出错: ${e.localizedMessage}")
             return false
         }
@@ -219,6 +222,7 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
                         ReadBook.onChapterListUpdated(book)
                         return true
                     }.onFailure {
+                        coroutineContext.ensureActive()
                         ReadBook.upMsg(context.getString(R.string.error_load_toc))
                         return false
                     }