diff --git a/app/src/main/java/io/legado/app/help/AppFreezeMonitor.kt b/app/src/main/java/io/legado/app/help/AppFreezeMonitor.kt
index 4a3f2960b..f8f9070d7 100644
--- a/app/src/main/java/io/legado/app/help/AppFreezeMonitor.kt
+++ b/app/src/main/java/io/legado/app/help/AppFreezeMonitor.kt
@@ -1,5 +1,10 @@
 package io.legado.app.help
 
+import android.annotation.SuppressLint
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
 import android.os.Handler
 import android.os.HandlerThread
 import android.os.SystemClock
@@ -14,11 +19,19 @@ object AppFreezeMonitor {
         Handler(HandlerThread("AppFreezeMonitor").apply { start() }.looper)
     }
 
-    fun init() {
+    val screenStatusReceiver by lazy {
+        ScreenStatusReceiver()
+    }
+
+    @SuppressLint("UnspecifiedRegisterReceiverFlag")
+    fun init(context: Context) {
         if (!AppConfig.recordLog) {
+            context.unregisterReceiver(screenStatusReceiver)
             return
         }
 
+        context.registerReceiver(screenStatusReceiver, screenStatusReceiver.filter)
+
         var previous = SystemClock.uptimeMillis()
 
         val runnable = object : Runnable {
@@ -27,7 +40,7 @@ object AppFreezeMonitor {
                 val elapsed = current - previous
                 val extra = elapsed - 3000
 
-                if (extra > 100) {
+                if (extra > 300) {
                     LogUtils.d(TAG, "检测到应用被系统冻结，时长：$extra 毫秒")
                 }
 
@@ -41,4 +54,19 @@ object AppFreezeMonitor {
         handler.postDelayed(runnable, 3000)
     }
 
+    class ScreenStatusReceiver : BroadcastReceiver() {
+
+        val filter = IntentFilter().apply {
+            addAction(Intent.ACTION_SCREEN_ON)
+            addAction(Intent.ACTION_SCREEN_OFF)
+        }
+
+        override fun onReceive(context: Context?, intent: Intent?) {
+            when (intent?.action) {
+                Intent.ACTION_SCREEN_ON -> LogUtils.d(TAG, "SCREEN_ON")
+                Intent.ACTION_SCREEN_OFF -> LogUtils.d(TAG, "SCREEN_OFF")
+            }
+        }
+    }
+
 }
diff --git a/app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt b/app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt
index ddeae47be..187f6465c 100644
--- a/app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt
@@ -177,7 +177,7 @@ class OtherConfigFragment : PreferenceFragment(),
                 LogUtils.upLevel()
                 LogUtils.logDeviceInfo()
                 LiveEventBus.config().enableLogger(AppConfig.recordLog)
-                AppFreezeMonitor.init()
+                AppFreezeMonitor.init(appCtx)
             }
 
             PreferKey.processText -> sharedPreferences?.let {