diff --git a/app/src/main/java/com/lizongying/mytv/MainFragment.kt b/app/src/main/java/com/lizongying/mytv/MainFragment.kt
index 6ad41fa7..d9f1cc15 100644
--- a/app/src/main/java/com/lizongying/mytv/MainFragment.kt
+++ b/app/src/main/java/com/lizongying/mytv/MainFragment.kt
@@ -2,6 +2,7 @@ package com.lizongying.mytv
 
 import android.os.Bundle
 import android.util.Log
+import android.view.GestureDetector
 import android.view.KeyEvent
 import android.view.LayoutInflater
 import android.view.MotionEvent
@@ -43,10 +44,13 @@ class MainFragment : Fragment(), CardAdapter.ItemListener {
 
     private lateinit var application: MyTvApplication
 
+    private lateinit var gestureDetector: GestureDetector
+
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View {
+        var context = requireContext()
         _binding = MenuBinding.inflate(inflater, container, false)
 
         application = requireActivity().applicationContext as MyTvApplication
@@ -58,9 +62,19 @@ class MainFragment : Fragment(), CardAdapter.ItemListener {
             hideSelf()
         }
 
+        gestureDetector = GestureDetector(context, GestureListener())
+
         return binding.root
     }
 
+    private inner class GestureListener : GestureDetector.SimpleOnGestureListener() {
+        override fun onSingleTapConfirmed(e: MotionEvent): Boolean {
+            Log.i(TAG, "onSingleTapConfirmed")
+            hideSelf()
+            return true
+        }
+    }
+
     private fun hideSelf() {
         requireActivity().supportFragmentManager.beginTransaction()
             .hide(this)
@@ -137,7 +151,7 @@ class MainFragment : Fragment(), CardAdapter.ItemListener {
 
                 itemBinding.items.addOnItemTouchListener(object : RecyclerView.OnItemTouchListener {
                     override fun onInterceptTouchEvent(rv: RecyclerView, e: MotionEvent): Boolean {
-                        hideSelf()
+                        gestureDetector.onTouchEvent(e)
                         return false
                     }
 
diff --git a/app/src/main/java/com/lizongying/mytv/SP.kt b/app/src/main/java/com/lizongying/mytv/SP.kt
index 3f16a01b..13c9361b 100644
--- a/app/src/main/java/com/lizongying/mytv/SP.kt
+++ b/app/src/main/java/com/lizongying/mytv/SP.kt
@@ -51,7 +51,12 @@ object SP {
 
     var time: Boolean
         get() = sp.getBoolean(KEY_TIME, true)
-        set(value) = sp.edit().putBoolean(KEY_TIME, value).apply()
+        set(value) {
+            if (value != this.time) {
+                sp.edit().putBoolean(KEY_TIME, value).apply()
+                listener?.onSharedPreferenceChanged(KEY_TIME)
+            }
+        }
 
     var bootStartup: Boolean
         get() = sp.getBoolean(KEY_BOOT_STARTUP, false)