diff --git a/app/src/main/java/com/gamedog/vididin/main/fragments/HomeFragment.kt b/app/src/main/java/com/gamedog/vididin/main/fragments/HomeFragment.kt
index 54728af..289327d 100644
--- a/app/src/main/java/com/gamedog/vididin/main/fragments/HomeFragment.kt
+++ b/app/src/main/java/com/gamedog/vididin/main/fragments/HomeFragment.kt
@@ -16,7 +16,6 @@ import com.ama.core.architecture.appBase.OnFragmentBackgroundListener
 import com.ama.core.architecture.util.setStatusBarDarkFont
 import com.ama.core.common.util.asSafe
 import com.gamedog.vididin.VididinEvents
-import com.gamedog.vididin.beans.YoutubeVideo
 import com.gamedog.vididin.core.login.login.AccountManager
 import com.gamedog.vididin.main.fragments.home.HomeFragmentStateAdapter
 import com.gamedog.vididin.main.fragments.home.fragment.HomeItemFragment
@@ -24,6 +23,8 @@ import com.gamedog.vididin.main.interfaces.OnSwitchTabListener
 import com.gamedog.vididin.main.interfaces.OnTabStyleListener
 import com.gamedog.vididin.youtubestatistic.RewardConst
 import com.gamedog.vididin.youtubestatistic.RewardConst.Companion.Check_Interval_MS
+import com.remax.bill.ads.AdResult
+import com.remax.bill.ads.ext.AdShowExt
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.launch
 import kotlin.getValue
@@ -35,6 +36,7 @@ import com.gamedog.vididin.main.fragments.home.YoutubeUiState as UiState
 
 @AndroidEntryPoint
 class HomeFragment : AppViewsFragment<ViewBinding, UiState, ViewModel>(), OnSwitchTabListener, OnFragmentBackgroundListener {
+    private var mWatchedVideoTotal = 0
 
     private var mTotalMs: Long = 0L
     override val mViewModel: ViewModel by viewModels()
@@ -61,9 +63,31 @@ class HomeFragment : AppViewsFragment<ViewBinding, UiState, ViewModel>(), OnSwit
         viewPager2.offscreenPageLimit = 1
         viewPager2.adapter = mViewPagerAdapter
 
-        registerEvents({
-            handleWatchTimeTick()
-        }, VididinEvents.Event_HOME_WATCH_Time_TICK,)
+        registerEvents({ data->
+            when (data?.mEventType) {
+                VididinEvents.Event_HOME_WATCH_Time_TICK -> {
+                    handleWatchTimeTick()
+                }
+
+                VididinEvents.Event_Finish_One_Video -> {
+                    handleEventOneVideoWatched()
+                }
+            }
+
+        }, VididinEvents.Event_HOME_WATCH_Time_TICK, VididinEvents.Event_Finish_One_Video)
+    }
+
+    private fun handleEventOneVideoWatched() {
+        mWatchedVideoTotal ++
+
+        if (mWatchedVideoTotal % VIDEO_NUM_GAP_FOR_AD == 0) {
+            lifecycleScope.launch {
+                showInterstitialAd {
+                    // TODO - need do anything for ad show
+                }
+            }
+        }
+
     }
 
     private fun handleWatchTimeTick() {
@@ -152,6 +176,27 @@ class HomeFragment : AppViewsFragment<ViewBinding, UiState, ViewModel>(), OnSwit
     }
 
 
+    private fun showInterstitialAd(callback: () -> Unit) {
+        lifecycleScope.launch {
+            try {
+                when (val result = AdShowExt.showInterstitialAd(requireActivity())) {
+                    is AdResult.Success -> {
+                        callback.invoke()
+                    }
+
+                    is AdResult.Failure -> {
+                        callback.invoke()
+                    }
+
+                    AdResult.Loading -> {
+                    }
+                }
+
+            } catch (e: Exception) {
+                callback.invoke()
+            }
+        }
+    }
 
     private fun setHomeTabStyle(f: Fragment?) {
         isBackgroundBright = f.asSafe<OnFragmentBackgroundListener>()?.isBackgroundBright ?: return
@@ -159,6 +204,8 @@ class HomeFragment : AppViewsFragment<ViewBinding, UiState, ViewModel>(), OnSwit
     }
 
     companion object {
+        const val VIDEO_NUM_GAP_FOR_AD = 3
+
         internal fun newInstance() = HomeFragment()
     }