diff --git a/app/src/main/java/io/legado/app/constant/PreferKey.kt b/app/src/main/java/io/legado/app/constant/PreferKey.kt
index 4c8759c31..518d053b0 100644
--- a/app/src/main/java/io/legado/app/constant/PreferKey.kt
+++ b/app/src/main/java/io/legado/app/constant/PreferKey.kt
@@ -100,5 +100,5 @@ object PreferKey {
     const val cNBBackground = "colorBottomBackgroundNight"
     const val bgImageN = "backgroundImageNight"
     const val bgImageNBlurring = "backgroundImageNightBlurring"
-
+    const val checkSourceMessage = "checkSourceMessage"
 }
diff --git a/app/src/main/java/io/legado/app/help/AppConfig.kt b/app/src/main/java/io/legado/app/help/AppConfig.kt
index fd0c75376..94c7249a6 100644
--- a/app/src/main/java/io/legado/app/help/AppConfig.kt
+++ b/app/src/main/java/io/legado/app/help/AppConfig.kt
@@ -246,6 +246,9 @@ object AppConfig : SharedPreferences.OnSharedPreferenceChangeListener {
     val fullScreenGesturesSupport: Boolean
         get() = appCtx.getPrefBoolean(PreferKey.fullScreenGesturesSupport, false)
 
+    val checkSourceMessage: Boolean
+        get() = appCtx.getPrefBoolean(PreferKey.checkSourceMessage)
+
     private fun getPrefUserAgent(): String {
         val ua = appCtx.getPrefString(PreferKey.userAgent)
         if (ua.isNullOrBlank()) {
diff --git a/app/src/main/java/io/legado/app/model/Debug.kt b/app/src/main/java/io/legado/app/model/Debug.kt
index 275f38c67..4151185bd 100644
--- a/app/src/main/java/io/legado/app/model/Debug.kt
+++ b/app/src/main/java/io/legado/app/model/Debug.kt
@@ -4,6 +4,7 @@ import android.annotation.SuppressLint
 import android.util.Log
 import io.legado.app.constant.EventBus
 import io.legado.app.data.entities.*
+import io.legado.app.help.AppConfig
 import io.legado.app.help.coroutine.CompositeCoroutine
 import io.legado.app.model.rss.Rss
 import io.legado.app.model.webBook.WebBook
@@ -20,7 +21,7 @@ object Debug {
     private var debugSource: String? = null
     private val tasks: CompositeCoroutine = CompositeCoroutine()
     val debugMessageMap = ConcurrentHashMap<String, String>()
-    var isChecking: Boolean = false
+    private var isChecking: Boolean = false
 
     @SuppressLint("ConstantLocale")
     private val DEBUG_TIME_FORMAT = SimpleDateFormat("[mm:ss.SSS]", Locale.getDefault())
@@ -48,8 +49,7 @@ object Debug {
             it.printLog(state, printMsg)
             if (sourceUrl != null && printMsg.length < 30) {
                 debugMessageMap[sourceUrl] = printMsg
-                callback?.printCheckSourceMessage(sourceUrl, printMsg)
-                Log.d(EventBus.CHECK_SOURCE_MESSAGE, "debugMessage after filter $printMsg")
+                callback?.postCheckMessageEvent(sourceUrl)
             }
         }
     }
@@ -264,7 +264,7 @@ object Debug {
 
     interface Callback {
         fun printLog(state: Int, msg: String)
-        fun printCheckSourceMessage(sourceUrl: String, msg: String)
+        fun postCheckMessageEvent(sourceUrl: String)
     }
 
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/service/CheckSourceService.kt b/app/src/main/java/io/legado/app/service/CheckSourceService.kt
index d9293cfca..c788fae58 100644
--- a/app/src/main/java/io/legado/app/service/CheckSourceService.kt
+++ b/app/src/main/java/io/legado/app/service/CheckSourceService.kt
@@ -1,7 +1,6 @@
 package io.legado.app.service
 
 import android.content.Intent
-import android.util.Log
 import androidx.core.app.NotificationCompat
 import io.legado.app.R
 import io.legado.app.base.BaseService
@@ -10,6 +9,7 @@ import io.legado.app.constant.EventBus
 import io.legado.app.constant.IntentAction
 import io.legado.app.data.appDb
 import io.legado.app.data.entities.BookSource
+import io.legado.app.help.AppConfig
 import io.legado.app.help.IntentHelp
 import io.legado.app.help.coroutine.CompositeCoroutine
 import io.legado.app.model.Debug
@@ -23,23 +23,14 @@ import java.util.concurrent.Executors
 import kotlin.math.min
 
 class CheckSourceService : BaseService() {
-    private var threadCount = 1
+    private var threadCount = AppConfig.threadCount
     private var searchCoroutine = Executors.newFixedThreadPool(min(threadCount,8)).asCoroutineDispatcher()
     private var tasks = CompositeCoroutine()
     private val allIds = ArrayList<String>()
     private val checkedIds = ArrayList<String>()
     private var processIndex = 0
     private var notificationMsg = ""
-    private val debugCallback = object : Debug.Callback{
-        override fun printLog(state: Int, msg: String) {
-        }
-
-        @Synchronized
-        override fun printCheckSourceMessage(sourceUrl: String, msg: String) {
-            postEvent(EventBus.CHECK_SOURCE_MESSAGE, Pair(sourceUrl, null))
-            Log.d(EventBus.CHECK_SOURCE_MESSAGE, "printCheckSourceMessage to post $sourceUrl $msg")
-        }
-    }
+    private var debugCallback : Debug.Callback? = null
     private val notificationBuilder by lazy {
         NotificationCompat.Builder(this, AppConst.channelIdReadAloud)
             .setSmallIcon(R.drawable.ic_network_check)
@@ -59,7 +50,18 @@ class CheckSourceService : BaseService() {
     override fun onCreate() {
         super.onCreate()
         notificationMsg = getString(R.string.start)
-        Debug.callback = debugCallback
+        if (AppConfig.checkSourceMessage) {
+            debugCallback = object : Debug.Callback {
+                override fun printLog(state: Int, msg: String) {}
+
+                @Synchronized
+                override fun postCheckMessageEvent(sourceUrl: String) {
+                    postEvent(EventBus.CHECK_SOURCE_MESSAGE, sourceUrl)
+                }
+            }
+            Debug.callback = debugCallback
+            threadCount = 1
+        }
         upNotification()
     }
 
@@ -118,7 +120,9 @@ class CheckSourceService : BaseService() {
 
     fun check(source: BookSource) {
         execute(context = searchCoroutine) {
-            Debug.startChecking(source)
+            if (AppConfig.checkSourceMessage) {
+                Debug.startChecking(source)
+            }
             val webBook = WebBook(source)
             var books = webBook.searchBookAwait(this, CheckSource.keyword)
             if (books.isEmpty()) {
@@ -148,8 +152,10 @@ class CheckSourceService : BaseService() {
                     "error:${it.localizedMessage}
                     ${source.bookSourceComment}"
                 """.trimIndent()
-                val message = Debug.debugMessageMap[source.bookSourceUrl] + " 失败"
-                postEvent(EventBus.CHECK_SOURCE_MESSAGE, Pair(source.bookSourceUrl, message))
+                debugCallback?.let {
+                    Debug.debugMessageMap[source.bookSourceUrl] = Debug.debugMessageMap[source.bookSourceUrl] + " 失败"
+                    postEvent(EventBus.CHECK_SOURCE_MESSAGE, source.bookSourceUrl)
+                }
                 appDb.bookSourceDao.update(source)
             }.onSuccess(searchCoroutine) {
                 source.removeGroup("失效")
@@ -158,14 +164,11 @@ class CheckSourceService : BaseService() {
                     ?.filterNot {
                         it.startsWith("error:")
                     }?.joinToString("\n")
-                Debug.debugMessageMap[source.bookSourceUrl]?.let { lastMessage ->
-                    lastMessage.indexOf("]").let {
-                        if (it > 0) {
-                            val timeMessage = lastMessage.substring(0, it) + " 校验成功"
-                            postEvent(EventBus.CHECK_SOURCE_MESSAGE, Pair(source.bookSourceUrl, timeMessage))
-                        }
-                    }
+                debugCallback?.let { debugCallback
+                    Debug.debugMessageMap[source.bookSourceUrl] = Debug.debugMessageMap[source.bookSourceUrl] + " 成功"
+                    postEvent(EventBus.CHECK_SOURCE_MESSAGE, source.bookSourceUrl)
                 }
+
                 appDb.bookSourceDao.update(source)
             }.onFinally(searchCoroutine) {
                 onNext(source.bookSourceUrl, source.bookSourceName)
diff --git a/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugModel.kt b/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugModel.kt
index e3a77be67..7d79dfca2 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugModel.kt
@@ -51,9 +51,7 @@ class BookSourceDebugModel(application: Application) : BaseViewModel(application
         }
     }
 
-    override fun printCheckSourceMessage(sourceUrl: String, msg: String) {
-        TODO("Not yet implemented")
-    }
+    override fun postCheckMessageEvent(sourceUrl: String) {}
 
     override fun onCleared() {
         super.onCleared()
diff --git a/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt
index 46f76a628..c3f0e7b9e 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt
@@ -340,7 +340,6 @@ class BookSourceActivity : VMBaseActivity<ActivityBookSourceBinding, BookSourceV
                         CheckSource.keyword = it
                     }
                 }
-                adapter.notifyItemRangeChanged(0, adapter.itemCount, bundleOf(Pair("startChecking", null)))
                 CheckSource.start(this@BookSourceActivity, adapter.selection)
             }
             noButton()
@@ -442,23 +441,21 @@ class BookSourceActivity : VMBaseActivity<ActivityBookSourceBinding, BookSourceV
             snackBar?.dismiss()
             Debug.finishChecking()
             snackBar = null
-//            groups.map { group ->
-//                if (group.contains("失效")) {
-//                    searchView.setQuery("失效", true)
-//                    toastOnUi("发现有失效书源，已为您自动筛选！")
-//                }
-//            }
+            groups.map { group ->
+                if (group.contains("失效")) {
+                    searchView.setQuery("失效", true)
+                    toastOnUi("发现有失效书源，已为您自动筛选！")
+                }
+            }
         }
-        observeEvent<Pair<String, String?>>(EventBus.CHECK_SOURCE_MESSAGE) { messagePair ->
+        observeEvent<String>(EventBus.CHECK_SOURCE_MESSAGE) { bookSourceUrl ->
             sourceFlowJob?.cancel()
                 sourceFlowJob = launch {
-                    appDb.bookSourceDao.flowSearch(messagePair.first)
+                    appDb.bookSourceDao.flowSearch(bookSourceUrl)
                         .map { adapter.getItems().indexOf(it[0]) }
                         .collect {
-                            adapter.notifyItemChanged(it, bundleOf(Pair(EventBus.CHECK_SOURCE_MESSAGE, messagePair.second))) }
+                            adapter.notifyItemChanged(it, bundleOf(Pair(EventBus.CHECK_SOURCE_MESSAGE, null))) }
                 }
-
-
         }
     }
 
diff --git a/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceAdapter.kt b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceAdapter.kt
index 4ebddca5e..121f0d3b2 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceAdapter.kt
@@ -116,22 +116,10 @@ class BookSourceAdapter(context: Context, val callBack: CallBack) :
                 payload.keySet().map {
                     when (it) {
                         "selected" -> cbBookSource.isChecked = selected.contains(item)
-                        "startChecking" -> {
-                            ivProgressBar.visibility = if(selected.contains(item)) View.VISIBLE else ivProgressBar.visibility
-                        }
-                        "checkSourceDone" -> {
-                            ivProgressBar.visibility = if(selected.contains(item)) View.GONE else ivProgressBar.visibility
-                        }
                         EventBus.CHECK_SOURCE_MESSAGE -> {
-                            val message = payload[it] as? String?
-                            if (message != null) {
-                                ivDebugText.text = message
-                                ivProgressBar.visibility = View.GONE
-                            }
-                            else{
-                                ivDebugText.text =  Debug.debugMessageMap[item.bookSourceUrl] ?: ""
-                            }
+                            ivDebugText.text =  Debug.debugMessageMap[item.bookSourceUrl] ?: ""
                             ivDebugText.visibility = if(ivDebugText.text.toString().length > 1) View.VISIBLE else View.GONE
+                            ivProgressBar.visibility = if(ivDebugText.text.toString().contains(Regex("成功|失败"))) View.GONE else View.VISIBLE
                         }
                     }
                 }
diff --git a/app/src/main/java/io/legado/app/ui/rss/source/debug/RssSourceDebugModel.kt b/app/src/main/java/io/legado/app/ui/rss/source/debug/RssSourceDebugModel.kt
index a22f9e531..5d0ada568 100644
--- a/app/src/main/java/io/legado/app/ui/rss/source/debug/RssSourceDebugModel.kt
+++ b/app/src/main/java/io/legado/app/ui/rss/source/debug/RssSourceDebugModel.kt
@@ -44,9 +44,7 @@ class RssSourceDebugModel(application: Application) : BaseViewModel(application)
         }
     }
 
-    override fun printCheckSourceMessage(sourceUrl: String, msg: String) {
-        TODO("Not yet implemented")
-    }
+    override fun postCheckMessageEvent(sourceUrl: String) {}
 
     override fun onCleared() {
         super.onCleared()
diff --git a/app/src/main/java/io/legado/app/web/SourceDebugWebSocket.kt b/app/src/main/java/io/legado/app/web/SourceDebugWebSocket.kt
index 307f0676e..534a68b47 100644
--- a/app/src/main/java/io/legado/app/web/SourceDebugWebSocket.kt
+++ b/app/src/main/java/io/legado/app/web/SourceDebugWebSocket.kt
@@ -95,7 +95,7 @@ class SourceDebugWebSocket(handshakeRequest: NanoHTTPD.IHTTPSession) :
         }
     }
 
-    override fun printCheckSourceMessage(sourceUrl: String, msg: String) {
+    override fun postCheckMessageEvent(sourceUrl: String) {
         TODO("Not yet implemented")
     }
 
diff --git a/app/src/main/res/layout/item_book_source.xml b/app/src/main/res/layout/item_book_source.xml
index 1b2b3f89b..761f8e2d8 100644
--- a/app/src/main/res/layout/item_book_source.xml
+++ b/app/src/main/res/layout/item_book_source.xml
@@ -17,7 +17,7 @@
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toLeftOf="@id/swt_enabled"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintBottom_toBottomOf="@id/iv_menu_more" />
+        app:layout_constraintBottom_toTopOf="@id/iv_debug_text" />
 
     <io.legado.app.lib.theme.view.ATESwitch
         android:id="@+id/swt_enabled"
@@ -29,7 +29,7 @@
         tools:ignore="RtlSymmetry"
         app:layout_constraintRight_toLeftOf="@id/iv_edit"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintBottom_toBottomOf="@id/iv_menu_more" />
+        app:layout_constraintBottom_toTopOf="@id/iv_debug_text" />
 
     <androidx.appcompat.widget.AppCompatImageView
         android:id="@+id/iv_edit"
@@ -43,7 +43,7 @@
         android:tint="@color/primaryText"
         app:layout_constraintRight_toLeftOf="@id/iv_menu_more"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintBottom_toBottomOf="@id/iv_menu_more" />
+        app:layout_constraintBottom_toTopOf="@id/iv_debug_text" />
 
     <androidx.appcompat.widget.AppCompatImageView
         android:id="@+id/iv_menu_more"
@@ -55,7 +55,7 @@
         android:tint="@color/primaryText"
         app:layout_constraintRight_toRightOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintBottom_toTopOf="@id/iv_progressBar"
+        app:layout_constraintBottom_toTopOf="@id/iv_debug_text"
         tools:ignore="RtlHardcoded" />
 
     <io.legado.app.ui.widget.image.CircleImageView
@@ -79,8 +79,8 @@
         android:indeterminateBehavior="repeat"
         tools:visibility="visible"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/iv_menu_more"
-        app:layout_constraintBottom_toBottomOf="parent" />
+        app:layout_constraintTop_toTopOf="@id/iv_debug_text"
+        app:layout_constraintBottom_toBottomOf="@id/iv_debug_text" />
 
     <TextView
         android:id="@+id/iv_debug_text"
@@ -92,7 +92,7 @@
         tools:visibility="visible"
         android:layout_marginStart="10dp"
         app:layout_constraintStart_toEndOf="@id/iv_progressBar"
-        app:layout_constraintTop_toTopOf="@id/iv_progressBar"
+        app:layout_constraintTop_toBottomOf="@id/cb_book_source"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent" />
 
diff --git a/app/src/main/res/values-es-rES/strings.xml b/app/src/main/res/values-es-rES/strings.xml
index f5d756348..216dd64f1 100644
--- a/app/src/main/res/values-es-rES/strings.xml
+++ b/app/src/main/res/values-es-rES/strings.xml
@@ -853,4 +853,6 @@
     <string name="pref_media_button_per_next">媒体按钮•上一首|下一首</string>
     <string name="pref_media_button_per_next_summary">上一段|下一段/上一章|下一章</string>
     <string name="read_aloud_by_page_summary">及时翻页,翻页时会停顿一下</string>
+    <string name="check_source_show_debug_message">La fuente del libro de cheques muestra un mensaje de depuración</string>
+    <string name="check_source_show_debug_message_summary">Muestra los pasos y el tiempo de la solicitud de red durante la verificación de la fuente del libro; actualmente solo admite la verificación de un solo hilo</string>
 </resources>
diff --git a/app/src/main/res/values-ja-rJP/strings.xml b/app/src/main/res/values-ja-rJP/strings.xml
index 011813ba0..081b09ee5 100644
--- a/app/src/main/res/values-ja-rJP/strings.xml
+++ b/app/src/main/res/values-ja-rJP/strings.xml
@@ -854,4 +854,6 @@
     <string name="pref_media_button_per_next">媒体按钮•上一首|下一首</string>
     <string name="pref_media_button_per_next_summary">上一段|下一段/上一章|下一章</string>
     <string name="read_aloud_by_page_summary">及时翻页,翻页时会停顿一下</string>
+    <string name="check_source_show_debug_message">Check book source shows debug message</string>
+    <string name="check_source_show_debug_message_summary">Show network status and timestamp during source checking, currently only supports single-thread</string>
 </resources>
diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
index d79a5f2da..03cdc19b9 100644
--- a/app/src/main/res/values-pt-rBR/strings.xml
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -853,4 +853,6 @@
     <string name="pref_media_button_per_next">媒体按钮•上一首|下一首</string>
     <string name="pref_media_button_per_next_summary">上一段|下一段/上一章|下一章</string>
     <string name="read_aloud_by_page_summary">及时翻页,翻页时会停顿一下</string>
+    <string name="check_source_show_debug_message">Verificar a fonte do livro mostra uma mensagem de depuração</string>
+    <string name="check_source_show_debug_message_summary">Exibir etapas de solicitação de rede e tempo durante a verificação da fonte do livro; atualmente, oferece suporte apenas à verificação de thread único</string>
 </resources>
diff --git a/app/src/main/res/values-zh-rHK/strings.xml b/app/src/main/res/values-zh-rHK/strings.xml
index 3c2a27676..aea6f7aae 100644
--- a/app/src/main/res/values-zh-rHK/strings.xml
+++ b/app/src/main/res/values-zh-rHK/strings.xml
@@ -855,5 +855,7 @@
     <string name="pref_media_button_per_next">媒体按钮•上一首|下一首</string>
     <string name="pref_media_button_per_next_summary">上一段|下一段/上一章|下一章</string>
     <string name="read_aloud_by_page_summary">及时翻页,翻页时会停顿一下</string>
+    <string name="check_source_show_debug_message">校驗書源顯示詳細信息</string>
+    <string name="check_source_show_debug_message_summary">書源校驗時顯示網絡請求步驟和時間，當前只支持單線程校驗</string>
 
 </resources>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 263d3a6d9..d5984a40f 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -856,5 +856,7 @@
     <string name="pref_media_button_per_next">媒体按钮•上一首|下一首</string>
     <string name="pref_media_button_per_next_summary">上一段|下一段/上一章|下一章</string>
     <string name="read_aloud_by_page_summary">及时翻页,翻页时会停顿一下</string>
+    <string name="check_source_show_debug_message">校驗書源顯示詳細信息</string>
+    <string name="check_source_show_debug_message_summary">書源校驗時顯示網絡請求步驟和時間，當前只支持單線程校驗</string>
 
 </resources>
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index d714d20e5..bae9c5131 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -857,5 +857,7 @@
     <string name="pref_media_button_per_next">媒体按钮•上一首|下一首</string>
     <string name="pref_media_button_per_next_summary">上一段|下一段/上一章|下一章</string>
     <string name="read_aloud_by_page_summary">及时翻页,翻页时会停顿一下</string>
+    <string name="check_source_show_debug_message">校验显示详细信息</string>
+    <string name="check_source_show_debug_message_summary">书源校验时显示网络请求步骤和时间，当前只支持单线程校验</string>
 
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 2c9741162..b721a2de9 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -858,5 +858,7 @@
     <string name="pref_media_button_per_next">媒体按钮•上一首|下一首</string>
     <string name="pref_media_button_per_next_summary">上一段|下一段/上一章|下一章</string>
     <string name="read_aloud_by_page_summary">及时翻页,翻页时会停顿一下</string>
+    <string name="check_source_show_debug_message">Check book source shows debug message</string>
+    <string name="check_source_show_debug_message_summary">Show network status and timestamp during source checking, currently only supports single-thread</string>
 
 </resources>
diff --git a/app/src/main/res/xml/pref_config_other.xml b/app/src/main/res/xml/pref_config_other.xml
index 28360973f..bb65cb3bd 100644
--- a/app/src/main/res/xml/pref_config_other.xml
+++ b/app/src/main/res/xml/pref_config_other.xml
@@ -103,6 +103,13 @@
             android:title="@string/threads_num_title"
             app:iconSpaceReserved="false" />
 
+        <io.legado.app.ui.widget.prefs.SwitchPreference
+            android:defaultValue="false"
+            android:key="checkSourceMessage"
+            android:summary="@string/check_source_show_debug_message_summary"
+            android:title="@string/check_source_show_debug_message"
+            app:iconSpaceReserved="false" />
+
         <io.legado.app.ui.widget.prefs.SwitchPreference
             android:defaultValue="true"
             android:key="process_text"