diff --git a/app/src/main/java/io/legado/app/ui/booksource/BookSourceActivity.kt b/app/src/main/java/io/legado/app/ui/booksource/BookSourceActivity.kt
index 3486589a8..c1a0c6e36 100644
--- a/app/src/main/java/io/legado/app/ui/booksource/BookSourceActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/booksource/BookSourceActivity.kt
@@ -4,7 +4,6 @@ import android.content.Intent
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
-import android.view.View
 import androidx.appcompat.widget.SearchView
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.Observer
@@ -125,15 +124,11 @@ class BookSourceActivity : VMBaseActivity<BookSourceViewModel>(R.layout.activity
     }
 
     override fun del(bookSource: BookSource) {
-        launch(IO) { App.db.bookSourceDao().delete(bookSource) }
-    }
-
-    override fun update(bookSource: BookSource) {
-        launch(IO) { App.db.bookSourceDao().update(bookSource) }
+        viewModel.del(bookSource)
     }
 
     override fun update(vararg bookSource: BookSource) {
-        launch(IO) { App.db.bookSourceDao().update(*bookSource) }
+        viewModel.update(*bookSource)
     }
 
     override fun edit(bookSource: BookSource) {
diff --git a/app/src/main/java/io/legado/app/ui/booksource/BookSourceAdapter.kt b/app/src/main/java/io/legado/app/ui/booksource/BookSourceAdapter.kt
index 1d6869cb4..a89a01b68 100644
--- a/app/src/main/java/io/legado/app/ui/booksource/BookSourceAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/booksource/BookSourceAdapter.kt
@@ -92,7 +92,6 @@ class BookSourceAdapter : PagedListAdapter<BookSource, BookSourceAdapter.MyViewH
         fun upCount(count: Int)
         fun del(bookSource: BookSource)
         fun edit(bookSource: BookSource)
-        fun update(bookSource: BookSource)
         fun update(vararg bookSource: BookSource)
         fun topSource(bookSource: BookSource)
     }
diff --git a/app/src/main/java/io/legado/app/ui/booksource/BookSourceViewModel.kt b/app/src/main/java/io/legado/app/ui/booksource/BookSourceViewModel.kt
index d90de9feb..aed90d952 100644
--- a/app/src/main/java/io/legado/app/ui/booksource/BookSourceViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/booksource/BookSourceViewModel.kt
@@ -16,4 +16,11 @@ class BookSourceViewModel(application: Application) : BaseViewModel(application)
         }
     }
 
+    fun del(bookSource: BookSource) {
+        execute { App.db.bookSourceDao().delete(bookSource) }
+    }
+
+    fun update(vararg bookSource: BookSource) {
+        execute { App.db.bookSourceDao().update(*bookSource) }
+    }
 }
\ No newline at end of file