diff --git a/app/src/main/java/io/legado/app/ui/book/manga/ReadMangaActivity.kt b/app/src/main/java/io/legado/app/ui/book/manga/ReadMangaActivity.kt
index 82bc0b778..0fcda95b3 100644
--- a/app/src/main/java/io/legado/app/ui/book/manga/ReadMangaActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/manga/ReadMangaActivity.kt
@@ -36,7 +36,6 @@ import io.legado.app.help.book.removeType
 import io.legado.app.help.config.AppConfig
 import io.legado.app.help.storage.Backup
 import io.legado.app.lib.dialogs.alert
-import io.legado.app.model.ReadBook
 import io.legado.app.model.ReadManga
 import io.legado.app.receiver.NetworkChangedListener
 import io.legado.app.ui.book.changesource.ChangeBookSourceDialog
@@ -349,7 +348,7 @@ class ReadMangaActivity : VMBaseActivity<ActivityMangaBinding, ReadMangaViewMode
         networkChangedListener.register()
         networkChangedListener.onNetworkChanged = {
             // 当网络是可用状态且无需初始化时同步进度（初始化中已有同步进度逻辑）
-            if (AppConfig.syncBookProgressPlus && NetworkUtils.isAvailable() && !justInitData && ReadBook.inBookshelf) {
+            if (AppConfig.syncBookProgressPlus && NetworkUtils.isAvailable() && !justInitData && ReadManga.inBookshelf) {
                 ReadManga.syncProgress({ progress -> sureNewProgress(progress) })
             }
         }