diff --git a/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt
index ca032e238..055db76fa 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt
@@ -5,9 +5,8 @@ import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
 import android.view.SubMenu
-import android.view.View
-import androidx.appcompat.app.AlertDialog
 import androidx.activity.viewModels
+import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.widget.PopupMenu
 import androidx.appcompat.widget.SearchView
 import androidx.core.os.bundleOf
@@ -377,16 +376,12 @@ class BookSourceActivity : VMBaseActivity<ActivityBookSourceBinding, BookSourceV
                 Debug.isChecking = firstItem >= 0 && lastItem >= 0
                 checkMessageRefreshJob(firstItem, lastItem).start()
             }
-            neutralButton(R.string.check_source_config, null)
+            neutralButton(R.string.check_source_config)
             cancelButton()
         }
         //手动设置监听 避免点击打开校验设置后对话框关闭
-        dialog.getButton(AlertDialog.BUTTON_NEUTRAL)?.let {
-            it.setOnClickListener(object: View.OnClickListener {
-                override fun onClick(view: View) {
-                    showDialogFragment<CheckSourceConfig>()
-                }
-           })
+        dialog.getButton(AlertDialog.BUTTON_NEUTRAL)?.setOnClickListener {
+            showDialogFragment<CheckSourceConfig>()
         }
     }