From 53d51c8123144ef3f65331652906229973c1e985 Mon Sep 17 00:00:00 2001
From: gedoor <gekunfei@live.com>
Date: Tue, 4 May 2021 19:31:01 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96?=
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---
 .../main/java/io/legado/app/ui/book/read/ReadBookActivity.kt    | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
index d8d98c9ed..2e616ab44 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
@@ -89,12 +89,14 @@ class ReadBookActivity : ReadBookBaseActivity(),
         }
     private val replaceActivity =
         registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
+            it ?: return@registerForActivityResult
             if (it.resultCode == RESULT_OK) {
                 viewModel.replaceRuleChanged()
             }
         }
     private val searchContentActivity =
         registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
+            it ?: return@registerForActivityResult
             it.data?.let { data ->
                 data.getIntExtra("index", ReadBook.durChapterIndex).let { index ->
                     viewModel.searchContentQuery = data.getStringExtra("query") ?: ""