diff --git a/app/src/androidTest/java/io/legado/app/ExampleInstrumentedTest.kt b/app/src/androidTest/java/io/legado/app/ExampleInstrumentedTest.kt
index 9820b40fb..4059bc269 100644
--- a/app/src/androidTest/java/io/legado/app/ExampleInstrumentedTest.kt
+++ b/app/src/androidTest/java/io/legado/app/ExampleInstrumentedTest.kt
@@ -4,12 +4,9 @@ import android.net.Uri
 import android.util.Log
 import androidx.test.InstrumentationRegistry
 import androidx.test.runner.AndroidJUnit4
-
 import org.junit.Test
 import org.junit.runner.RunWith
 
-import org.junit.Assert.*
-
 /**
  * Instrumented test, which will execute on an Android device.
  *
diff --git a/app/src/main/java/io/legado/app/constant/EventBus.kt b/app/src/main/java/io/legado/app/constant/EventBus.kt
index 1cb16afd5..5257596fa 100644
--- a/app/src/main/java/io/legado/app/constant/EventBus.kt
+++ b/app/src/main/java/io/legado/app/constant/EventBus.kt
@@ -22,6 +22,7 @@ object EventBus {
     const val UP_DOWNLOAD = "upDownload"
     const val SAVE_CONTENT = "saveContent"
     const val CHECK_SOURCE = "checkSource"
+    const val CHECK_SOURCE_MESSAGE = "checkSourceMessage"
     const val CHECK_SOURCE_DONE = "checkSourceDone"
     const val TIP_COLOR = "tipColor"
     const val SOURCE_CHANGED = "sourceChanged"
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 834d53efa..cb08cf6f9 100644
--- a/app/src/main/java/io/legado/app/model/Debug.kt
+++ b/app/src/main/java/io/legado/app/model/Debug.kt
@@ -1,10 +1,7 @@
 package io.legado.app.model
 
 import android.annotation.SuppressLint
-import io.legado.app.data.entities.Book
-import io.legado.app.data.entities.BookChapter
-import io.legado.app.data.entities.RssArticle
-import io.legado.app.data.entities.RssSource
+import io.legado.app.data.entities.*
 import io.legado.app.help.coroutine.CompositeCoroutine
 import io.legado.app.model.rss.Rss
 import io.legado.app.model.webBook.WebBook
@@ -14,11 +11,14 @@ import io.legado.app.utils.msg
 import kotlinx.coroutines.CoroutineScope
 import java.text.SimpleDateFormat
 import java.util.*
+import java.util.concurrent.ConcurrentHashMap
 
 object Debug {
     var callback: Callback? = null
     private var debugSource: String? = null
     private val tasks: CompositeCoroutine = CompositeCoroutine()
+    val debugMessageMap = ConcurrentHashMap<String, String>()
+    private var isChecking: Boolean = false
 
     @SuppressLint("ConstantLocale")
     private val DEBUG_TIME_FORMAT = SimpleDateFormat("[mm:ss.SSS]", Locale.getDefault())
@@ -34,7 +34,7 @@ object Debug {
         state: Int = 1
     ) {
         callback?.let {
-            if (debugSource != sourceUrl || !print) return
+            if ((debugSource != sourceUrl || !print) && !isChecking) return
             var printMsg = msg ?: ""
             if (isHtml) {
                 printMsg = HtmlFormatter.format(msg)
@@ -44,6 +44,10 @@ object Debug {
                 printMsg = "$time $printMsg"
             }
             it.printLog(state, printMsg)
+            if (sourceUrl != null && printMsg.length < 30) {
+                debugMessageMap[sourceUrl] = printMsg
+                callback?.postCheckMessageEvent(sourceUrl)
+            }
         }
     }
 
@@ -61,6 +65,17 @@ object Debug {
         }
     }
 
+    fun startChecking(source: BookSource) {
+        startTime = System.currentTimeMillis()
+        isChecking = true
+        debugMessageMap[source.bookSourceUrl] = "开始校验"
+    }
+
+    fun finishChecking() {
+        callback = null
+        isChecking = false
+    }
+
     fun startDebug(scope: CoroutineScope, rssSource: RssSource) {
         cancelDebug()
         debugSource = rssSource.sourceUrl
@@ -246,6 +261,7 @@ object Debug {
 
     interface Callback {
         fun printLog(state: Int, 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 0c19e7445..c788fae58 100644
--- a/app/src/main/java/io/legado/app/service/CheckSourceService.kt
+++ b/app/src/main/java/io/legado/app/service/CheckSourceService.kt
@@ -12,6 +12,7 @@ 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
 import io.legado.app.model.webBook.WebBook
 import io.legado.app.service.help.CheckSource
 import io.legado.app.ui.book.source.manage.BookSourceActivity
@@ -29,6 +30,7 @@ class CheckSourceService : BaseService() {
     private val checkedIds = ArrayList<String>()
     private var processIndex = 0
     private var notificationMsg = ""
+    private var debugCallback : Debug.Callback? = null
     private val notificationBuilder by lazy {
         NotificationCompat.Builder(this, AppConst.channelIdReadAloud)
             .setSmallIcon(R.drawable.ic_network_check)
@@ -48,6 +50,18 @@ class CheckSourceService : BaseService() {
     override fun onCreate() {
         super.onCreate()
         notificationMsg = getString(R.string.start)
+        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()
     }
 
@@ -106,6 +120,9 @@ class CheckSourceService : BaseService() {
 
     fun check(source: BookSource) {
         execute(context = searchCoroutine) {
+            if (AppConfig.checkSourceMessage) {
+                Debug.startChecking(source)
+            }
             val webBook = WebBook(source)
             var books = webBook.searchBookAwait(this, CheckSource.keyword)
             if (books.isEmpty()) {
@@ -135,6 +152,10 @@ class CheckSourceService : BaseService() {
                     "error:${it.localizedMessage}
                     ${source.bookSourceComment}"
                 """.trimIndent()
+                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")
@@ -143,6 +164,11 @@ class CheckSourceService : BaseService() {
                     ?.filterNot {
                         it.startsWith("error:")
                     }?.joinToString("\n")
+                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)
@@ -156,7 +182,7 @@ class CheckSourceService : BaseService() {
             notificationMsg =
                 getString(R.string.progress_show, sourceName, checkedIds.size, allIds.size)
             upNotification()
-            if (processIndex >= allIds.size + threadCount - 1) {
+            if (processIndex > allIds.size + threadCount - 1) {
                 stopSelf()
             }
         }
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 991591029..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
@@ -51,6 +51,8 @@ class BookSourceDebugModel(application: Application) : BaseViewModel(application
         }
     }
 
+    override fun postCheckMessageEvent(sourceUrl: String) {}
+
     override fun onCleared() {
         super.onCleared()
         Debug.cancelDebug(true)
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 277335dd4..a107c178b 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
@@ -9,6 +9,7 @@ import android.view.SubMenu
 import androidx.activity.viewModels
 import androidx.appcompat.widget.PopupMenu
 import androidx.appcompat.widget.SearchView
+import androidx.core.os.bundleOf
 import androidx.documentfile.provider.DocumentFile
 import androidx.recyclerview.widget.ItemTouchHelper
 import com.google.android.material.snackbar.Snackbar
@@ -24,6 +25,7 @@ import io.legado.app.help.LocalConfig
 import io.legado.app.lib.dialogs.alert
 import io.legado.app.lib.theme.ATH
 import io.legado.app.lib.theme.primaryTextColor
+import io.legado.app.model.Debug
 import io.legado.app.service.help.CheckSource
 import io.legado.app.ui.association.ImportBookSourceDialog
 import io.legado.app.ui.book.source.debug.BookSourceDebugActivity
@@ -39,7 +41,7 @@ import io.legado.app.ui.widget.recycler.VerticalDivider
 import io.legado.app.utils.*
 import io.legado.app.utils.viewbindingdelegate.viewBinding
 import kotlinx.coroutines.Job
-import kotlinx.coroutines.flow.collect
+import kotlinx.coroutines.flow.*
 import kotlinx.coroutines.launch
 import java.io.File
 
@@ -434,6 +436,7 @@ class BookSourceActivity : VMBaseActivity<ActivityBookSourceBinding, BookSourceV
             }
         }
         observeEvent<Int>(EventBus.CHECK_SOURCE_DONE) {
+            Debug.finishChecking()
             snackBar?.dismiss()
             snackBar = null
             groups.map { group ->
@@ -443,6 +446,15 @@ class BookSourceActivity : VMBaseActivity<ActivityBookSourceBinding, BookSourceV
                 }
             }
         }
+        observeEvent<String>(EventBus.CHECK_SOURCE_MESSAGE) { bookSourceUrl ->
+            sourceFlowJob?.cancel()
+                sourceFlowJob = launch {
+                    appDb.bookSourceDao.flowSearch(bookSourceUrl)
+                        .map { adapter.getItems().indexOf(it[0]) }
+                        .collect {
+                            adapter.notifyItemChanged(it, bundleOf(Pair(EventBus.CHECK_SOURCE_MESSAGE, null))) }
+                }
+        }
     }
 
     override fun upCountView() {
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 7669362fc..7e0937b3c 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
@@ -13,9 +13,11 @@ import androidx.recyclerview.widget.RecyclerView
 import io.legado.app.R
 import io.legado.app.base.adapter.ItemViewHolder
 import io.legado.app.base.adapter.RecyclerAdapter
+import io.legado.app.constant.EventBus
 import io.legado.app.data.entities.BookSource
 import io.legado.app.databinding.ItemBookSourceBinding
 import io.legado.app.lib.theme.backgroundColor
+import io.legado.app.model.Debug
 import io.legado.app.ui.widget.recycler.DragSelectTouchHelper
 import io.legado.app.ui.widget.recycler.ItemTouchCallback.Callback
 import io.legado.app.utils.ColorUtils
@@ -107,11 +109,18 @@ class BookSourceAdapter(context: Context, val callBack: CallBack) :
                 }
                 swtEnabled.isChecked = item.enabled
                 cbBookSource.isChecked = selected.contains(item)
+                ivDebugText.text = Debug.debugMessageMap[item.bookSourceUrl] ?: ""
+                ivDebugText.visibility = if(ivDebugText.text.toString().length > 1) View.VISIBLE else View.GONE
                 upShowExplore(ivExplore, item)
             } else {
                 payload.keySet().map {
                     when (it) {
                         "selected" -> cbBookSource.isChecked = selected.contains(item)
+                        EventBus.CHECK_SOURCE_MESSAGE -> {
+                            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 23892dc6f..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
@@ -44,6 +44,8 @@ class RssSourceDebugModel(application: Application) : BaseViewModel(application)
         }
     }
 
+    override fun postCheckMessageEvent(sourceUrl: String) {}
+
     override fun onCleared() {
         super.onCleared()
         Debug.cancelDebug(true)
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 c2c2f893f..534a68b47 100644
--- a/app/src/main/java/io/legado/app/web/SourceDebugWebSocket.kt
+++ b/app/src/main/java/io/legado/app/web/SourceDebugWebSocket.kt
@@ -95,4 +95,8 @@ class SourceDebugWebSocket(handshakeRequest: NanoHTTPD.IHTTPSession) :
         }
     }
 
+    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 4f3584999..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="parent" />
+        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="parent" />
+        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="parent" />
+        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_toBottomOf="parent"
+        app:layout_constraintBottom_toTopOf="@id/iv_debug_text"
         tools:ignore="RtlHardcoded" />
 
     <io.legado.app.ui.widget.image.CircleImageView
@@ -68,4 +68,32 @@
         app:layout_constraintRight_toRightOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
+    <io.legado.app.lib.theme.view.ATEProgressBar
+        android:id="@+id/iv_progressBar"
+        android:layout_width="25dp"
+        android:layout_height="25dp"
+        android:layout_gravity="start|center_vertical"
+        android:animationResolution="1000"
+        android:indeterminate="true"
+        android:visibility="gone"
+        android:indeterminateBehavior="repeat"
+        tools:visibility="visible"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="@id/iv_debug_text"
+        app:layout_constraintBottom_toBottomOf="@id/iv_debug_text" />
+
+    <TextView
+        android:id="@+id/iv_debug_text"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        tools:text="@string/debug_hint"
+        android:text=""
+        android:visibility="gone"
+        tools:visibility="visible"
+        android:layout_marginStart="10dp"
+        app:layout_constraintStart_toEndOf="@id/iv_progressBar"
+        app:layout_constraintTop_toBottomOf="@id/cb_book_source"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
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"
diff --git a/app/src/test/java/io/legado/app/ExampleUnitTest.kt b/app/src/test/java/io/legado/app/ExampleUnitTest.kt
index 57609f92a..0ee23db52 100644
--- a/app/src/test/java/io/legado/app/ExampleUnitTest.kt
+++ b/app/src/test/java/io/legado/app/ExampleUnitTest.kt
@@ -1,9 +1,8 @@
 package io.legado.app
 
+import org.junit.Assert.assertEquals
 import org.junit.Test
 
-import org.junit.Assert.*
-
 /**
  * Example local unit test, which will execute on the development machine (host).
  *