diff --git a/app/src/main/java/io/legado/app/model/CheckSource.kt b/app/src/main/java/io/legado/app/model/CheckSource.kt
index 5f1813402..d8016bf36 100644
--- a/app/src/main/java/io/legado/app/model/CheckSource.kt
+++ b/app/src/main/java/io/legado/app/model/CheckSource.kt
@@ -46,13 +46,13 @@ object CheckSource {
         CacheManager.put("checkContent", checkContent)
     }
 
-    fun upSummary(): String {
+    private fun upSummary(): String {
         var checkItem = ""
-        if (checkSearch) checkItem = "${checkItem} ${appCtx.getString(R.string.search)}"
-        if (checkDiscovery) checkItem = "${checkItem} ${appCtx.getString(R.string.discovery)}"
-        if (checkInfo) checkItem = "${checkItem} ${appCtx.getString(R.string.source_tab_info)}"
-        if (checkCategory) checkItem = "${checkItem} ${appCtx.getString(R.string.chapter_list)}"
-        if (checkContent) checkItem = "${checkItem} ${appCtx.getString(R.string.main_body)}"
+        if (checkSearch) checkItem = "$checkItem ${appCtx.getString(R.string.search)}"
+        if (checkDiscovery) checkItem = "$checkItem ${appCtx.getString(R.string.discovery)}"
+        if (checkInfo) checkItem = "$checkItem ${appCtx.getString(R.string.source_tab_info)}"
+        if (checkCategory) checkItem = "$checkItem ${appCtx.getString(R.string.chapter_list)}"
+        if (checkContent) checkItem = "$checkItem ${appCtx.getString(R.string.main_body)}"
         return appCtx.getString(R.string.check_source_config_summary, (timeout / 1000).toString(), checkItem)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/model/Debug.kt b/app/src/main/java/io/legado/app/model/Debug.kt
index aad76d367..252620f2b 100644
--- a/app/src/main/java/io/legado/app/model/Debug.kt
+++ b/app/src/main/java/io/legado/app/model/Debug.kt
@@ -48,18 +48,17 @@ object Debug {
             }
             it.printLog(state, printMsg)
         }
-        if (isChecking) {
-            if (sourceUrl != null && (msg ?: "").length < 30) {
-                var printMsg = msg ?: ""
-                if (isHtml) {
-                    printMsg = HtmlFormatter.format(msg)
-                }
-                if (showTime && debugTimeMap[sourceUrl] != null) {
-                    val time =
-                        debugTimeFormat.format(Date(System.currentTimeMillis() - debugTimeMap[sourceUrl]!!))
-                    printMsg = printMsg.replace(AppPattern.debugMessageSymbolRegex,"")
-                    debugMessageMap[sourceUrl] = "$time $printMsg"
-                }
+        if (isChecking && sourceUrl != null && (msg ?: "").length < 30) {
+            var printMsg = msg ?: ""
+            if (isHtml) {
+                printMsg = HtmlFormatter.format(msg)
+            }
+            if (showTime && debugTimeMap[sourceUrl] != null) {
+                val time =
+                    debugTimeFormat.format(Date(System.currentTimeMillis() - debugTimeMap[sourceUrl]!!))
+                printMsg = printMsg.replace(AppPattern.debugMessageSymbolRegex,"")
+
+                debugMessageMap[sourceUrl] = "$time $printMsg"
             }
         }
     }
@@ -89,13 +88,13 @@ object Debug {
     }
 
     fun getRespondTime(sourceUrl: String): Long {
-        return debugTimeMap[sourceUrl] ?: 180000L
+        return debugTimeMap[sourceUrl] ?: CheckSource.timeout
     }
 
     fun updateFinalMessage(sourceUrl: String, state: String) {
         if (debugTimeMap[sourceUrl] != null && debugMessageMap[sourceUrl] != null) {
             val spendingTime = System.currentTimeMillis() - debugTimeMap[sourceUrl]!!
-            debugTimeMap[sourceUrl] = if (state == "校验成功") spendingTime else 180000L
+            debugTimeMap[sourceUrl] = if (state == "校验成功") spendingTime else CheckSource.timeout
             val printTime = debugTimeFormat.format(Date(spendingTime))
             debugMessageMap[sourceUrl] = "$printTime $state"
         }
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 31ea800b4..758eac57f 100644
--- a/app/src/main/java/io/legado/app/service/CheckSourceService.kt
+++ b/app/src/main/java/io/legado/app/service/CheckSourceService.kt
@@ -12,11 +12,7 @@ import io.legado.app.data.entities.BookSource
 import io.legado.app.data.entities.SearchBook
 import io.legado.app.help.AppConfig
 import io.legado.app.help.coroutine.CompositeCoroutine
-import io.legado.app.model.CheckSource
-import io.legado.app.model.Debug
-import io.legado.app.model.NoStackTraceException
-import io.legado.app.model.ContentEmptyException
-import io.legado.app.model.TocEmptyException
+import io.legado.app.model.*
 import io.legado.app.model.webBook.WebBook
 import io.legado.app.ui.book.source.manage.BookSourceActivity
 import io.legado.app.utils.activityPendingIntent
@@ -204,8 +200,9 @@ class CheckSourceService : BaseService() {
                     is TocEmptyException -> source.addGroup("目录失效")
                 }
                 source.bookSourceComment =
-                    "Error: ${it.localizedMessage} \n\n" + "${source.bookSourceComment}"
-                Debug.updateFinalMessage(source.bookSourceUrl, "失败:${it.localizedMessage}")
+                    "Error: ${it.localizedMessage}" + if (source.bookSourceComment.isNullOrBlank())
+                        "" else "\n\n${source.bookSourceComment}"
+                Debug.updateFinalMessage(source.bookSourceUrl, "校验失败:${it.localizedMessage}")
             }.onSuccess(searchCoroutine) {
                 Debug.updateFinalMessage(source.bookSourceUrl, "校验成功")
             }.onFinally(searchCoroutine) {
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 a04b12d92..0f0e8e0e1 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
@@ -360,7 +360,10 @@ class BookSourceActivity : VMBaseActivity<ActivityBookSourceBinding, BookSourceV
                     }
                 }
                 CheckSource.start(this@BookSourceActivity, adapter.selection)
-                checkMessageRefreshJob().start()
+                val firstItem = adapter.getItems().indexOf(adapter.selection.firstOrNull())
+                val lastItem = adapter.getItems().indexOf(adapter.selection.lastOrNull())
+                Debug.isChecking = firstItem >= 0 && lastItem >= 0
+                checkMessageRefreshJob(firstItem, lastItem).start()
             }
             neutralButton(R.string.check_source_config) {
                 checkSource()
@@ -478,26 +481,20 @@ class BookSourceActivity : VMBaseActivity<ActivityBookSourceBinding, BookSourceV
         }
     }
 
-    private fun checkMessageRefreshJob(): Job {
-        val firstIndex = adapter.getItems().indexOf(adapter.selection.firstOrNull())
-        val lastIndex = adapter.getItems().indexOf(adapter.selection.lastOrNull())
-        var refreshCount = 0
-        Debug.isChecking = firstIndex >= 0 && lastIndex >= 0
+    private fun checkMessageRefreshJob(firstItem: Int, lastItem: Int): Job {
         return async(start = CoroutineStart.LAZY) {
             flow {
                 while (true) {
-                    refreshCount += 1
-                    emit(refreshCount)
+                    emit(Debug.isChecking)
                     delay(300L)
                 }
             }.collect {
                 adapter.notifyItemRangeChanged(
-                    firstIndex,
-                    lastIndex + 1,
+                    firstItem,
+                    lastItem + 1,
                     bundleOf(Pair("checkSourceMessage", null))
                 )
-                if (!Debug.isChecking) {
-                    Debug.finishChecking()
+                if (!it) {
                     this.cancel()
                 }
             }
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 9ffeed0d3..48caf74ff 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
@@ -80,7 +80,7 @@ class BookSourceAdapter(context: Context, val callBack: CallBack) :
                 cbBookSource.isChecked = selected.contains(item)
                 ivDebugText.text = Debug.debugMessageMap[item.bookSourceUrl] ?: ""
                 ivDebugText.visibility =
-                    if (ivDebugText.text.toString().length > 1) View.VISIBLE else View.GONE
+                    if (ivDebugText.text.toString().isNotBlank()) View.VISIBLE else View.GONE
                 upShowExplore(ivExplore, item)
             } else {
                 payload.keySet().map {
@@ -91,7 +91,7 @@ class BookSourceAdapter(context: Context, val callBack: CallBack) :
                             val isEmpty = ivDebugText.text.toString().isEmpty()
                             var isFinalMessage =
                                 ivDebugText.text.toString().contains(Regex("成功|失败"))
-                            if (!isEmpty && !Debug.isChecking && !isFinalMessage) {
+                            if (!Debug.isChecking && !isFinalMessage) {
                                 Debug.updateFinalMessage(item.bookSourceUrl, "校验失败")
                                 ivDebugText.text = Debug.debugMessageMap[item.bookSourceUrl] ?: ""
                                 isFinalMessage = true
@@ -99,7 +99,7 @@ class BookSourceAdapter(context: Context, val callBack: CallBack) :
                             ivDebugText.visibility =
                                 if (!isEmpty) View.VISIBLE else View.GONE
                             ivProgressBar.visibility =
-                                if (isFinalMessage || isEmpty) View.GONE else View.VISIBLE
+                                if (isFinalMessage || isEmpty || !Debug.isChecking) View.GONE else View.VISIBLE
                         }
                     }
                 }