diff --git a/app/src/main/java/io/legado/app/ui/config/ConfigActivity.kt b/app/src/main/java/io/legado/app/ui/config/ConfigActivity.kt
index a79e3f6a9..a685ccd13 100644
--- a/app/src/main/java/io/legado/app/ui/config/ConfigActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/config/ConfigActivity.kt
@@ -18,9 +18,9 @@ class ConfigActivity : VMBaseActivity<ConfigViewModel>(R.layout.activity_config)
         when (viewModel.configType) {
             ConfigViewModel.TYPE_CONFIG -> {
                 title_bar.title = getString(R.string.other_setting)
-                val fTag = "configFragment"
+                val fTag = "otherConfigFragment"
                 var configFragment = supportFragmentManager.findFragmentByTag(fTag)
-                if (configFragment == null) configFragment = ConfigFragment()
+                if (configFragment == null) configFragment = OtherConfigFragment()
                 supportFragmentManager.beginTransaction()
                     .replace(R.id.configFrameLayout, configFragment, fTag)
                     .commit()
@@ -36,7 +36,7 @@ class ConfigActivity : VMBaseActivity<ConfigViewModel>(R.layout.activity_config)
             }
             ConfigViewModel.TYPE_WEB_DAV_CONFIG -> {
                 title_bar.title = getString(R.string.backup_restore)
-                val fTag = "backupFragment"
+                val fTag = "backupConfigFragment"
                 var configFragment = supportFragmentManager.findFragmentByTag(fTag)
                 if (configFragment == null) configFragment = BackupConfigFragment()
                 supportFragmentManager.beginTransaction()
diff --git a/app/src/main/java/io/legado/app/ui/config/ConfigFragment.kt b/app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt
similarity index 84%
rename from app/src/main/java/io/legado/app/ui/config/ConfigFragment.kt
rename to app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt
index 74d517b20..f4c38eb70 100644
--- a/app/src/main/java/io/legado/app/ui/config/ConfigFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt
@@ -19,7 +19,7 @@ import io.legado.app.ui.filechooser.FileChooserDialog
 import io.legado.app.utils.*
 
 
-class ConfigFragment : PreferenceFragmentCompat(),
+class OtherConfigFragment : PreferenceFragmentCompat(),
     FileChooserDialog.CallBack,
     Preference.OnPreferenceChangeListener,
     SharedPreferences.OnSharedPreferenceChangeListener {
@@ -33,8 +33,9 @@ class ConfigFragment : PreferenceFragmentCompat(),
 
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         putPrefBoolean("process_text", isProcessTextEnabled())
-        addPreferencesFromResource(R.xml.pref_config)
+        addPreferencesFromResource(R.xml.pref_config_other)
         bindPreferenceSummaryToValue(findPreference(PreferKey.downloadPath))
+        bindPreferenceSummaryToValue(findPreference("threadCount"))
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
@@ -58,7 +59,7 @@ class ConfigFragment : PreferenceFragmentCompat(),
                 childFragmentManager,
                 downloadPath,
                 mode = FileChooserDialog.DIRECTORY,
-                initPath = getPreferenceString(PreferKey.downloadPath)
+                initPath = getPreferenceString(PreferKey.downloadPath).toString()
             )
             PreferKey.cleanCache -> {
                 BookHelp.clearCache()
@@ -72,7 +73,7 @@ class ConfigFragment : PreferenceFragmentCompat(),
         when (key) {
             PreferKey.downloadPath -> {
                 BookHelp.upDownloadPath()
-                findPreference<Preference>(key)?.summary = getPreferenceString(key)
+                findPreference<Preference>(key)?.summary = getPreferenceString(key).toString()
             }
             PreferKey.recordLog -> LogUtils.upLevel()
             PreferKey.processText -> sharedPreferences?.let {
@@ -84,14 +85,15 @@ class ConfigFragment : PreferenceFragmentCompat(),
 
     override fun onPreferenceChange(preference: Preference?, newValue: Any?): Boolean {
         val stringValue = newValue.toString()
-
-        if (preference is ListPreference) {
-            val index = preference.findIndexOfValue(stringValue)
-            // Set the summary to reflect the new value.
-            preference.setSummary(if (index >= 0) preference.entries[index] else null)
-        } else {
-            // For all other preferences, set the summary to the value's
-            preference?.summary = stringValue
+        when {
+            preference is ListPreference -> {
+                val index = preference.findIndexOfValue(stringValue)
+                // Set the summary to reflect the new value.
+                preference.setSummary(if (index >= 0) preference.entries[index] else null)
+            }
+            preference?.key == "threadCount" -> preference.summary =
+                getString(R.string.threads_num, stringValue)
+            else -> preference?.summary = stringValue
         }
         return true
     }
@@ -106,11 +108,12 @@ class ConfigFragment : PreferenceFragmentCompat(),
         }
     }
 
-    private fun getPreferenceString(key: String): String {
+    private fun getPreferenceString(key: String): Any {
         return when (key) {
             PreferKey.downloadPath -> getPrefString(PreferKey.downloadPath)
                 ?: App.INSTANCE.getExternalFilesDir(null)?.absolutePath
                 ?: App.INSTANCE.cacheDir.absolutePath
+            "threadCount" -> getPrefInt("threadCount", 6)
             else -> getPrefString(key) ?: ""
         }
     }
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 3ceda2af3..12ceceb6d 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -211,7 +211,7 @@
     <string name="no_download">暂无任务</string>
     <string name="download_count">已下载 %d/%d</string>
     <string name="import_select_book">导入选择书籍</string>
-    <string name="update_search_threads_num">更新和搜索线程数,如感觉卡顿请减小线程数,量力而行</string>
+    <string name="threads_num_title">更新和搜索线程数,太多会卡顿</string>
     <string name="change_icon">切换图标</string>
     <string name="remove_from_bookshelf">删除书籍</string>
     <string name="start_read">开始阅读</string>
@@ -316,7 +316,7 @@
     <string name="use_to">替换范围，选填书名或者源名</string>
     <string name="menu_action_group">分组</string>
     <string name="download_path">内容缓存路径</string>
-    <string name="cleancache">清理缓存</string>
+    <string name="cleanCache">清理缓存</string>
     <string name="sys_file_picker">系统文件选择器</string>
     <string name="new_version">新版本</string>
     <string name="download_update">下载更新</string>
diff --git a/app/src/main/res/xml/pref_config.xml b/app/src/main/res/xml/pref_config_other.xml
similarity index 88%
rename from app/src/main/res/xml/pref_config.xml
rename to app/src/main/res/xml/pref_config_other.xml
index 55f0f6021..6c38cf624 100644
--- a/app/src/main/res/xml/pref_config.xml
+++ b/app/src/main/res/xml/pref_config_other.xml
@@ -22,6 +22,21 @@
         android:title="显示订阅"
         app:iconSpaceReserved="false" />
 
+    <Preference
+        android:key="threadCount"
+        android:title="@string/threads_num_title"
+        app:iconSpaceReserved="false" />
+
+    <Preference
+        android:key="downloadPath"
+        android:title="@string/download_path"
+        app:iconSpaceReserved="false" />
+
+    <Preference
+        android:key="cleanCache"
+        android:title="@string/cleanCache"
+        app:iconSpaceReserved="false" />
+
     <io.legado.app.lib.theme.prefs.ATESwitchPreference
         android:defaultValue="true"
         android:key="process_text"
@@ -35,13 +50,4 @@
         android:title="记录日志"
         app:iconSpaceReserved="false" />
 
-    <Preference
-        android:key="downloadPath"
-        android:title="@string/download_path"
-        app:iconSpaceReserved="false" />
-
-    <Preference
-        android:key="cleanCache"
-        android:title="@string/cleancache"
-        app:iconSpaceReserved="false" />
 </androidx.preference.PreferenceScreen>
\ No newline at end of file