diff --git a/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt b/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
index ab6e1b036..d817b5357 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
@@ -237,7 +237,7 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_rea
 
     override fun loadContentFinish(bookChapter: BookChapter, content: String) {
         launch {
-            val textChapter = ChapterProvider().getTextChapter(content_text_view, bookChapter, content)
+            val textChapter = ChapterProvider.getTextChapter(content_text_view, bookChapter, content)
             content_text_view.text = textChapter.pages[0].text
         }
     }
diff --git a/app/src/main/java/io/legado/app/ui/widget/page/ChapterProvider.kt b/app/src/main/java/io/legado/app/ui/widget/page/ChapterProvider.kt
index 3832a42c6..c80c4bd2b 100644
--- a/app/src/main/java/io/legado/app/ui/widget/page/ChapterProvider.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/page/ChapterProvider.kt
@@ -3,9 +3,9 @@ package io.legado.app.ui.widget.page
 import io.legado.app.data.entities.BookChapter
 
 
-class ChapterProvider {
-
+object ChapterProvider {
 
+    @Synchronized
     fun getTextChapter(textView: ContentTextView, bookChapter: BookChapter, content: String): TextChapter {
         val textPages = arrayListOf<TextPage>()
         var surplusText = content