diff --git a/app/src/main/java/io/legado/app/constant/AppPattern.kt b/app/src/main/java/io/legado/app/constant/AppPattern.kt
index 2c9d60130..20fd7f1c9 100644
--- a/app/src/main/java/io/legado/app/constant/AppPattern.kt
+++ b/app/src/main/java/io/legado/app/constant/AppPattern.kt
@@ -16,6 +16,9 @@ object AppPattern {
     val fileNameRegex = Regex("[\\\\/:*?\"<>|.]")
     val splitGroupRegex = Regex("[,;，；]")
 
+    //书源调试信息中的各种符号
+    val debugMessageSymbolRegex = Regex("[⇒◇┌└≡]")
+
     /**
      * 所有标点
      */
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 f7056b6c9..dadc16f8f 100644
--- a/app/src/main/java/io/legado/app/model/CheckSource.kt
+++ b/app/src/main/java/io/legado/app/model/CheckSource.kt
@@ -47,7 +47,7 @@ object CheckSource {
     }
 
     fun putConfig() {
-        CacheManager.put("checkSourceTimeout", timeout * 1000)
+        CacheManager.put("checkSourceTimeout", timeout)
         CacheManager.put("checkSearch", checkSearch)
         CacheManager.put("checkDiscovery", checkDiscovery)
         CacheManager.put("checkInfo", checkInfo)
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 445affb7f..690e25f96 100644
--- a/app/src/main/java/io/legado/app/model/Debug.kt
+++ b/app/src/main/java/io/legado/app/model/Debug.kt
@@ -1,6 +1,7 @@
 package io.legado.app.model
 
 import android.annotation.SuppressLint
+import io.legado.app.constant.AppPattern
 import io.legado.app.data.entities.*
 import io.legado.app.help.coroutine.CompositeCoroutine
 import io.legado.app.model.rss.Rss
@@ -56,7 +57,7 @@ object Debug {
                 if (showTime && debugTimeMap[sourceUrl] != null) {
                     val time =
                         debugTimeFormat.format(Date(System.currentTimeMillis() - debugTimeMap[sourceUrl]!!))
-                    printMsg = printMsg.substring(1)
+                    printMsg = printMsg.replace(AppPattern.debugMessageSymbolRegex,"")
                     debugMessageMap[sourceUrl] = "$time $printMsg"
                 }
             }
diff --git a/app/src/main/java/io/legado/app/ui/config/CheckSourceConfig.kt b/app/src/main/java/io/legado/app/ui/config/CheckSourceConfig.kt
index 2eb62df2a..c0a884081 100644
--- a/app/src/main/java/io/legado/app/ui/config/CheckSourceConfig.kt
+++ b/app/src/main/java/io/legado/app/ui/config/CheckSourceConfig.kt
@@ -31,6 +31,36 @@ class CheckSourceConfig : BaseDialogFragment(R.layout.dialog_check_source_config
 
     override fun onFragmentCreated(view: View, savedInstanceState: Bundle?) {
         binding.toolBar.setBackgroundColor(primaryColor)
+        binding.run {
+            checkSearch.onClick {
+                if (!checkSearch.isChecked && !checkDiscovery.isChecked) {
+                    checkDiscovery.isChecked = true
+                }
+            }
+            checkDiscovery.onClick {
+                if (!checkSearch.isChecked && !checkDiscovery.isChecked) {
+                    checkSearch.isChecked = true
+                }
+            }
+            checkInfo.onClick {
+                if (!checkInfo.isChecked) {
+                    checkCategory.isChecked = false
+                    checkContent.isChecked = false
+                    checkCategory.isEnabled = false
+                    checkContent.isEnabled = false
+                } else {
+                    checkCategory.isEnabled = true
+                }
+            }
+            checkCategory.onClick {
+                if (!checkCategory.isChecked) {
+                    checkContent.isChecked = false
+                    checkContent.isEnabled = false
+                } else {
+                    checkContent.isEnabled = true
+                }
+            }
+        }
         CheckSource.run {
             binding.checkSourceTimeout.setText((timeout / 1000).toString())
             binding.checkSearch.isChecked = checkSearch
@@ -38,6 +68,8 @@ class CheckSourceConfig : BaseDialogFragment(R.layout.dialog_check_source_config
             binding.checkInfo.isChecked = checkInfo
             binding.checkCategory.isChecked = checkCategory
             binding.checkContent.isChecked = checkContent
+            binding.checkCategory.isEnabled = checkInfo
+            binding.checkContent.isEnabled = checkCategory
             binding.tvCancel.onClick {
                 dismiss()
             }
@@ -60,14 +92,8 @@ class CheckSourceConfig : BaseDialogFragment(R.layout.dialog_check_source_config
                     }
                     else -> timeout = text.toLong() * 1000
                 }
-                val mCheckSearch = binding.checkSearch.isChecked
-                val mCheckDiscovery = binding.checkDiscovery.isChecked
-                if (!mCheckSearch && !mCheckDiscovery) {
-                    toastOnUi(getString(R.string.error_check_source_config))
-                    return@onClick
-                }
-                checkSearch = mCheckSearch
-                checkDiscovery = mCheckDiscovery
+                checkSearch = binding.checkSearch.isChecked
+                checkDiscovery = binding.checkDiscovery.isChecked
                 checkInfo = binding.checkInfo.isChecked
                 checkCategory = binding.checkCategory.isChecked
                 checkContent = binding.checkContent.isChecked
diff --git a/app/src/main/res/layout/dialog_check_source_config.xml b/app/src/main/res/layout/dialog_check_source_config.xml
index a925b1162..5a6dd410d 100644
--- a/app/src/main/res/layout/dialog_check_source_config.xml
+++ b/app/src/main/res/layout/dialog_check_source_config.xml
@@ -18,6 +18,8 @@
     <io.legado.app.ui.widget.text.TextInputLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:paddingLeft="12dp"
+        android:paddingRight="12dp"
         android:paddingTop="3dp">
 
         <io.legado.app.lib.theme.view.ThemeEditText
@@ -30,15 +32,15 @@
     </io.legado.app.ui.widget.text.TextInputLayout>
 
     <io.legado.app.ui.widget.text.AccentTextView
-        android:paddingLeft="5dp"
+        android:paddingLeft="12dp"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:text="@string/check_source_item" />
 
     <com.google.android.flexbox.FlexboxLayout
         android:layout_width="match_parent"
-        android:paddingLeft="5dp"
-        android:paddingRight="5dp"
+        android:paddingLeft="12dp"
+        android:paddingRight="12dp"
         android:layout_height="wrap_content"
         app:flexWrap="wrap"
         app:justifyContent="space_between">
@@ -74,8 +76,8 @@
     <com.google.android.flexbox.FlexboxLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:paddingLeft="12dp"
         android:paddingRight="12dp"
-        app:flexWrap="wrap"
         app:justifyContent="flex_end">
 
         <io.legado.app.ui.widget.text.AccentTextView
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 66145195e..10a3f5a7d 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -928,7 +928,6 @@
     <string name="timeout">超时</string>
     <string name="seconds">秒</string>
     <string name="less_than">小于</string>
-    <string name="error_check_source_config">搜索发现至少校验一个</string>
     <string name="check_source_config_summary">校验超时: %1$s秒\n校验项目:%2$s</string>
     <!-- string end -->
 </resources>