diff --git a/app/src/main/java/io/legado/app/base/BaseViewModel.kt b/app/src/main/java/io/legado/app/base/BaseViewModel.kt
index e14fa7a3d..df58bf2cb 100644
--- a/app/src/main/java/io/legado/app/base/BaseViewModel.kt
+++ b/app/src/main/java/io/legado/app/base/BaseViewModel.kt
@@ -2,12 +2,11 @@ package io.legado.app.base
 
 import android.app.Application
 import androidx.lifecycle.AndroidViewModel
+import io.legado.app.App
 import io.legado.app.help.coroutine.Coroutine
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Deferred
-import kotlinx.coroutines.MainScope
-import kotlinx.coroutines.cancel
+import kotlinx.coroutines.*
 import org.jetbrains.anko.AnkoLogger
+import org.jetbrains.anko.toast
 
 open class BaseViewModel(application: Application) : AndroidViewModel(application), CoroutineScope by MainScope(),
     AnkoLogger {
@@ -26,6 +25,26 @@ open class BaseViewModel(application: Application) : AndroidViewModel(applicatio
     }
 
     open fun toast(message: Int) {
+        launch {
+            getApplication<App>().toast(message)
+        }
+    }
+
+    open fun toast(message: CharSequence) {
+        launch {
+            getApplication<App>().toast(message)
+        }
+    }
+
+    open fun longToast(message: Int) {
+        launch {
+            getApplication<App>().toast(message)
+        }
+    }
 
+    open fun longToast(message: CharSequence) {
+        launch {
+            getApplication<App>().toast(message)
+        }
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/readbook/ReadBookViewModel.kt b/app/src/main/java/io/legado/app/ui/readbook/ReadBookViewModel.kt
index 6b023c7a0..69e0d11b7 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/ReadBookViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/readbook/ReadBookViewModel.kt
@@ -12,7 +12,6 @@ import io.legado.app.data.entities.BookChapter
 import io.legado.app.data.entities.BookSource
 import io.legado.app.help.BookHelp
 import io.legado.app.model.WebBook
-import io.legado.app.utils.toast
 import kotlinx.coroutines.Dispatchers.IO
 
 class ReadBookViewModel(application: Application) : BaseViewModel(application) {
@@ -43,10 +42,10 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
                                     App.db.bookChapterDao().insert(*cList.toTypedArray())
                                     chapterMaxIndex.postValue(cList.size)
                                 } else {
-
+                                    toast(R.string.load_toc_error)
                                 }
                             }?.onError {
-                                getApplication<App>().toast(R.string.load_toc_error)
+                                toast(R.string.load_toc_error)
                             } ?: autoChangeSource()
                     } else {
                         chapterMaxIndex.postValue(count)