diff --git a/app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt b/app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt
index d5d0b1364..527d84732 100644
--- a/app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt
@@ -53,6 +53,7 @@ class OtherConfigFragment : BasePreferenceFragment(),
         putPrefBoolean(PreferKey.processText, isProcessTextEnabled())
         addPreferencesFromResource(R.xml.pref_config_other)
         upPreferenceSummary(PreferKey.userAgent, AppConfig.userAgent)
+        upPreferenceSummary(PreferKey.preDownloadNum, AppConfig.preDownloadNum.toString())
         upPreferenceSummary(PreferKey.threadCount, AppConfig.threadCount.toString())
         upPreferenceSummary(PreferKey.webPort, webPort.toString())
         upPreferenceSummary(PreferKey.defaultCover, getPrefString(PreferKey.defaultCover))
@@ -114,6 +115,9 @@ class OtherConfigFragment : BasePreferenceFragment(),
 
     override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
         when (key) {
+            PreferKey.preDownloadNum -> {
+                upPreferenceSummary(key, AppConfig.preDownloadNum.toString())
+            }
             PreferKey.threadCount -> {
                 upPreferenceSummary(key, AppConfig.threadCount.toString())
                 postEvent(PreferKey.threadCount, "")
@@ -149,6 +153,8 @@ class OtherConfigFragment : BasePreferenceFragment(),
     private fun upPreferenceSummary(preferenceKey: String, value: String?) {
         val preference = findPreference<Preference>(preferenceKey) ?: return
         when (preferenceKey) {
+            PreferKey.preDownloadNum -> preference.summary =
+                getString(R.string.pre_download_s, value)
             PreferKey.threadCount -> preference.summary = getString(R.string.threads_num, value)
             PreferKey.webPort -> preference.summary = getString(R.string.web_port_summary, value)
             else -> if (preference is ListPreference) {
diff --git a/app/src/main/res/values-zh-rHK/strings.xml b/app/src/main/res/values-zh-rHK/strings.xml
index 7ae5fa882..9e66af1f0 100644
--- a/app/src/main/res/values-zh-rHK/strings.xml
+++ b/app/src/main/res/values-zh-rHK/strings.xml
@@ -800,7 +800,7 @@
     <string name="export_bookshelf">导出书单</string>
     <string name="import_bookshelf">导入书单</string>
     <string name="pre_download">预下载</string>
-    <string name="pre_download_s">预先下载%d章正文</string>
+    <string name="pre_download_s">预先下载%s章正文</string>
     <string name="sort_enable">启用排序</string>
     <string name="background_image">背景图片</string>
     <string name="export_folder">导出文件夹</string>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 486ec2e49..de3414c63 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -804,7 +804,7 @@
     <string name="export_bookshelf">匯出書單</string>
     <string name="import_bookshelf">匯入書單</string>
     <string name="pre_download">預下載</string>
-    <string name="pre_download_s">預先下載%d章正文</string>
+    <string name="pre_download_s">預先下載%s章正文</string>
     <string name="sort_enable">啟用排序</string>
     <string name="background_image">背景圖片</string>
     <string name="export_folder">匯出資料夾</string>
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index f29989897..e25c7283c 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -804,7 +804,7 @@
     <string name="export_bookshelf">导出书单</string>
     <string name="import_bookshelf">导入书单</string>
     <string name="pre_download">预下载</string>
-    <string name="pre_download_s">预先下载%d章正文</string>
+    <string name="pre_download_s">预先下载%s章正文</string>
     <string name="sort_enable">启用排序</string>
     <string name="background_image">背景图片</string>
     <string name="export_folder">导出文件夹</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index ce9bfc9fa..2b302583a 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -805,7 +805,7 @@
     <string name="export_bookshelf">导出书单</string>
     <string name="import_bookshelf">导入书单</string>
     <string name="pre_download">预下载</string>
-    <string name="pre_download_s">预先下载%d章正文</string>
+    <string name="pre_download_s">预先下载%s章正文</string>
     <string name="sort_enable">启用排序</string>
     <string name="background_image">背景图片</string>
     <string name="export_folder">导出文件夹</string>