diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 99a0f4b..d48f5ef 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -65,8 +65,7 @@ dependencies {
     implementation("com.google.firebase:firebase-analytics-ktx")
     implementation("com.google.firebase:firebase-crashlytics-ktx")
 
-    //----------------------Liftoff SDK
-    implementation (libs.vungle.ads)
+
 
 
 }
\ No newline at end of file
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index f99985f..5be59cd 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -23,37 +23,3 @@
   -keep class com.sunny.app.soft.timberkeyboardnew.data.entity.BackgroundEntity { *; }
 
 
-  #=======================================UNity SDK
-  # Keep filenames and line numbers for stack traces
-  -keepattributes SourceFile,LineNumberTable
-
-  # Keep JavascriptInterface for WebView bridge
-  -keepattributes JavascriptInterface
-
-
-  -keep class android.webkit.JavascriptInterface {
-     *;
-  }
-
-  # Keep all classes in Unity Ads package
-
-  -keep class com.unity3d.ads.** {
-     *;
-  }
-
-  # Keep all classes in Unity Services package
-  -keep class com.unity3d.services.** {
-     *;
-  }
-
-  -keep class com.google.android.gms.ads.initialization.** {
-          *;
-  }
-
-  -keep class com.google.android.gms.ads.MobileAds {
-          *;
-  }
-
-  -dontwarn com.google.ads.mediation.admob.*
-  -dontwarn com.google.android.gms.ads.**
-  #==================================UNity SDK
\ No newline at end of file
diff --git a/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/App.kt b/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/App.kt
index 3c37b56..dde4251 100644
--- a/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/App.kt
+++ b/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/App.kt
@@ -2,11 +2,6 @@ package com.sunny.app.soft.timberkeyboardnew
 
 import android.app.Application
 import android.content.Context
-import android.util.Log
-import com.sunny.app.soft.timberkeyboardnew.liftoff.AdManager
-import com.vungle.ads.InitializationListener
-import com.vungle.ads.VungleAds
-import com.vungle.ads.VungleError
 
 class App : Application() {
 
@@ -36,15 +31,7 @@ class App : Application() {
 
 
     private fun initLiftoff() {
-        VungleAds.init(this, APP_ID, object : InitializationListener {
-            override fun onSuccess() {
-                Log.d(TAG, "Vungle SDK init onSuccess()")
-                AdManager.loadAllAd()
-            }
-            override fun onError(vungleError: VungleError) {
-                Log.d(TAG, "onError(): ${vungleError.localizedMessage}")
-            }
-        })
+
 
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/liftoff/AdCallBack.kt b/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/liftoff/AdCallBack.kt
deleted file mode 100644
index 02c8585..0000000
--- a/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/liftoff/AdCallBack.kt
+++ /dev/null
@@ -1,10 +0,0 @@
-package com.sunny.app.soft.timberkeyboardnew.liftoff
-
-interface AdCallBack {
-
-    fun onLoaded()
-
-    fun onShowFail()
-
-    fun onClose()
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/liftoff/AdManager.kt b/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/liftoff/AdManager.kt
deleted file mode 100644
index 0224213..0000000
--- a/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/liftoff/AdManager.kt
+++ /dev/null
@@ -1,199 +0,0 @@
-package com.sunny.app.soft.timberkeyboardnew.liftoff
-
-import android.content.Context
-import android.os.CountDownTimer
-import android.util.Log
-import com.sunny.app.soft.timberkeyboardnew.App
-import com.vungle.ads.AdConfig
-import com.vungle.ads.BaseAd
-import com.vungle.ads.BaseAdListener
-import com.vungle.ads.InterstitialAd
-import com.vungle.ads.InterstitialAdListener
-import com.vungle.ads.VungleError
-
-object AdManager {
-    /**
-     * CUSTOM_KEYBOARD_ANDROID_INTER_OPEN-6034009
-     * CUSTOM_KEYBOARD_ANDROID_INTER_SET-7095031
-     * CUSTOM_KEYBOARD_ANDROID_INTER_THEME-1069696
-     */
-    const val TAG = "============="
-    const val placementId1 = "CUSTOM_KEYBOARD_ANDROID_INTER_OPEN-6034009"
-    const val placementId2 = "CUSTOM_KEYBOARD_ANDROID_INTER_SET-7095031"
-    const val placementId3 = "CUSTOM_KEYBOARD_ANDROID_INTER_THEME-1069696"
-
-
-    const val adPos_0 = 0
-    const val adPos_1 = 1
-    const val adPos_2 = 2
-
-    const val NO_CACHE = 0
-    const val HAS_CACHE = 1
-    const val SHOW_FAIL = 2
-    const val SHOW_SUCCESS = 3
-    const val SHOW_CLOSE = 4
-
-    val list: MutableList<InterstitialAd> = mutableListOf()
-    fun loadAllAd() {
-        if (list.size <= 0) {
-            var interstitialAd1 = InterstitialAd(App.appContext, placementId1, AdConfig().apply { })
-            var interstitialAd2 = InterstitialAd(App.appContext, placementId2, AdConfig().apply { })
-            var interstitialAd3 = InterstitialAd(App.appContext, placementId3, AdConfig().apply { })
-            list.add(interstitialAd1)
-            list.add(interstitialAd2)
-            list.add(interstitialAd3)
-        }
-        for (ad in list) {
-            if (!ad.canPlayAd()) {
-                //一个广告对象show之后，不能再次load,需要新建对象
-                val newAd = getNewAd(ad.placementId)
-                list[list.indexOf(ad)] = newAd
-                setCallBack(newAd, object : AdCallBack {
-                    override fun onLoaded() {
-
-                    }
-
-                    override fun onShowFail() {
-
-                    }
-
-                    override fun onClose() {
-
-                    }
-
-                })
-                newAd.load()
-            }
-        }
-
-
-    }
-
-    private fun getNewAd(place: String): InterstitialAd {
-
-        return InterstitialAd(App.appContext, place, AdConfig().apply { })
-    }
-
-
-    private fun getReadyAd(pos: Int): InterstitialAd? {
-        if (list.size <= 0) {
-            return null
-        }
-        if (list[pos].canPlayAd()) {
-            return list[pos]
-        }
-        for (ad in list) {
-            if (ad.canPlayAd()) {
-                return ad
-            }
-        }
-        return null
-    }
-
-    @JvmStatic
-    fun showWelComeAd(totalTim: Long, actionGoMain: () -> Unit): CountDownTimer {
-        var needShow = true
-        val myTimer = object : CountDownTimer(totalTim, 100) {
-            override fun onTick(millisUntilFinished: Long) {
-                if (needShow) {
-                    showAd(adPos_0) {
-                        if (it == HAS_CACHE) {
-                            needShow = false
-                        }
-                        if (it == SHOW_FAIL) {
-                            needShow = true
-                        }
-                        if (it == SHOW_CLOSE) {
-                            actionGoMain.invoke()
-                        }
-                    }
-                }
-
-            }
-
-            override fun onFinish() {
-                if (needShow) {
-                    showAd(adPos_0) {
-                        if (it == SHOW_FAIL || it == NO_CACHE || it == SHOW_CLOSE) {
-                            actionGoMain.invoke()
-                        }
-
-                    }
-                }
-
-            }
-        }
-        myTimer.start()
-        return myTimer
-    }
-
-    fun showAd(firstPos: Int, action: (result: Int) -> Unit) {
-        val readyAd = getReadyAd(firstPos)
-        if (readyAd == null) {
-            action.invoke(NO_CACHE)
-        } else {
-            Log.d(TAG, "-----show  Ad=${readyAd.placementId}")
-            action.invoke(HAS_CACHE)
-            setCallBack(readyAd, object : AdCallBack {
-                override fun onLoaded() {
-
-                }
-
-                override fun onShowFail() {
-                    action.invoke(SHOW_FAIL)
-                }
-
-                override fun onClose() {
-                    action.invoke(SHOW_CLOSE)
-                }
-
-            })
-            readyAd.play()
-        }
-
-    }
-
-    fun setCallBack(ad: InterstitialAd, callBack: AdCallBack) {
-        ad.adListener = object : InterstitialAdListener {
-            override fun onAdClicked(baseAd: BaseAd) {
-
-            }
-
-            override fun onAdEnd(baseAd: BaseAd) {
-                callBack.onClose()
-                Log.d(TAG, "onAdEnd:" + baseAd.placementId)
-                loadAllAd()
-            }
-
-            override fun onAdFailedToLoad(baseAd: BaseAd, adError: VungleError) {
-                Log.d(
-                    TAG,
-                    "onAdFailedToLoad:-----${baseAd.placementId}---------${adError.code} ----${adError.errorMessage}"
-                )
-            }
-
-            override fun onAdFailedToPlay(baseAd: BaseAd, adError: VungleError) {
-                callBack.onShowFail()
-                Log.d(TAG, "onAdFailedToPlay:" + baseAd.placementId)
-            }
-
-            override fun onAdImpression(baseAd: BaseAd) {
-
-            }
-
-            override fun onAdLeftApplication(baseAd: BaseAd) {
-                Log.d(TAG, "onAdLeftApplication:" + baseAd.placementId)
-            }
-
-            override fun onAdLoaded(baseAd: BaseAd) {
-                callBack.onLoaded()
-                Log.d(TAG, "onAdLoaded:" + baseAd.placementId)
-            }
-
-            override fun onAdStart(baseAd: BaseAd) {
-
-            }
-
-        }
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/activity/DownloadActivity.kt b/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/activity/DownloadActivity.kt
index 735d1aa..31a24f3 100644
--- a/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/activity/DownloadActivity.kt
+++ b/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/activity/DownloadActivity.kt
@@ -16,7 +16,6 @@ import com.bumptech.glide.request.target.Target
 import com.sunny.app.soft.timberkeyboardnew.R
 import com.sunny.app.soft.timberkeyboardnew.data.entity.BackgroundEntity
 import com.sunny.app.soft.timberkeyboardnew.databinding.ActivityDownloadBinding
-import com.sunny.app.soft.timberkeyboardnew.liftoff.AdManager
 import com.sunny.app.soft.timberkeyboardnew.tools.AppConstant
 import com.sunny.app.soft.timberkeyboardnew.tools.KeyboardManager
 import com.sunny.app.soft.timberkeyboardnew.tools.ZipTools
@@ -88,11 +87,11 @@ class DownloadActivity :
 
     private fun onShowAd() {
 
-        AdManager.showAd(AdManager.adPos_2) {
-            if (it == AdManager.SHOW_FAIL || it == AdManager.NO_CACHE || it == AdManager.SHOW_CLOSE) {
+//        AdManager.showAd(AdManager.adPos_2) {
+//            if (it == AdManager.SHOW_FAIL || it == AdManager.NO_CACHE || it == AdManager.SHOW_CLOSE) {
                 startSetSkin()
-            }
-        }
+//            }
+//        }
 
     }
 
diff --git a/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/activity/LoadingActivity.kt b/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/activity/LoadingActivity.kt
index 6c2d6be..5bfdc5a 100644
--- a/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/activity/LoadingActivity.kt
+++ b/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/activity/LoadingActivity.kt
@@ -4,7 +4,6 @@ import android.content.Intent
 import android.os.CountDownTimer
 import android.view.View
 import com.sunny.app.soft.timberkeyboardnew.databinding.ActivityLoadingBinding
-import com.sunny.app.soft.timberkeyboardnew.liftoff.AdManager
 
 class LoadingActivity : BaseActivity() {
 
@@ -28,9 +27,9 @@ class LoadingActivity : BaseActivity() {
     override fun initView() {
         super.initView()
 
-        timer = AdManager.showWelComeAd(time) {
+//        timer = AdManager.showWelComeAd(time) {
             intoMainActivity()
-        }
+//        }
     }
 
 
diff --git a/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/activity/MainActivity.kt b/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/activity/MainActivity.kt
index 1cb8e6c..ccc40de 100644
--- a/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/activity/MainActivity.kt
+++ b/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/activity/MainActivity.kt
@@ -1,19 +1,13 @@
 package com.sunny.app.soft.timberkeyboardnew.ui.activity
 
 import android.view.View
-import android.view.ViewParent
 import androidx.fragment.app.Fragment
 import androidx.viewpager.widget.ViewPager
-import com.sunny.app.soft.timberkeyboardnew.App
 import com.sunny.app.soft.timberkeyboardnew.R
 import com.sunny.app.soft.timberkeyboardnew.databinding.ActivityMainBinding
-import com.sunny.app.soft.timberkeyboardnew.liftoff.AdCallBack
-import com.sunny.app.soft.timberkeyboardnew.liftoff.AdManager
 import com.sunny.app.soft.timberkeyboardnew.ui.adapter.MainViewPagerAdapter
 import com.sunny.app.soft.timberkeyboardnew.ui.fragment.HomeFragment
 import com.sunny.app.soft.timberkeyboardnew.ui.fragment.SettingFragment
-import com.vungle.ads.AdConfig
-import com.vungle.ads.InterstitialAd
 
 class MainActivity :
     BaseActivity(),
@@ -30,23 +24,23 @@ class MainActivity :
 
     override fun initView() {
         super.initView()
-        InterstitialAd(this, AdManager.placementId1, AdConfig().apply {  }).apply {
-            AdManager.setCallBack(this, object : AdCallBack {
-                override fun onLoaded() {
-
-                }
-
-                override fun onShowFail() {
-
-                }
-
-                override fun onClose() {
-
-                }
-
-            })
-            load()
-        }
+//        InterstitialAd(this, AdManager.placementId1, AdConfig().apply {  }).apply {
+//            AdManager.setCallBack(this, object : AdCallBack {
+//                override fun onLoaded() {
+//
+//                }
+//
+//                override fun onShowFail() {
+//
+//                }
+//
+//                override fun onClose() {
+//
+//                }
+//
+//            })
+//            load()
+//        }
 
         initViewPager()
         initTabButton()
diff --git a/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/activity/SelectActivity.kt b/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/activity/SelectActivity.kt
index b719154..ae91127 100644
--- a/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/activity/SelectActivity.kt
+++ b/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/activity/SelectActivity.kt
@@ -7,7 +7,6 @@ import androidx.recyclerview.widget.GridLayoutManager
 import com.sunny.app.soft.timberkeyboardnew.data.entity.BackgroundEntity
 import com.sunny.app.soft.timberkeyboardnew.data.entity.CategoryEntity
 import com.sunny.app.soft.timberkeyboardnew.databinding.ActivitySelectBinding
-import com.sunny.app.soft.timberkeyboardnew.liftoff.AdManager
 import com.sunny.app.soft.timberkeyboardnew.tools.AppConstant
 import com.sunny.app.soft.timberkeyboardnew.ui.adapter.SelectAdapter
 import com.sunny.app.soft.timberkeyboardnew.ui.listener.OnBgItemClickListener
diff --git a/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/fragment/HomeFragment.kt b/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/fragment/HomeFragment.kt
index 24b7f4a..47f6868 100644
--- a/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/fragment/HomeFragment.kt
+++ b/app/src/main/java/com/sunny/app/soft/timberkeyboardnew/ui/fragment/HomeFragment.kt
@@ -8,7 +8,6 @@ import com.sunny.app.soft.timberkeyboardnew.R
 import com.sunny.app.soft.timberkeyboardnew.data.DataManager
 import com.sunny.app.soft.timberkeyboardnew.data.entity.CategoryEntity
 import com.sunny.app.soft.timberkeyboardnew.databinding.FragmentHomeBinding
-import com.sunny.app.soft.timberkeyboardnew.liftoff.AdManager
 import com.sunny.app.soft.timberkeyboardnew.tools.AppConstant
 import com.sunny.app.soft.timberkeyboardnew.ui.activity.SelectActivity
 import com.sunny.app.soft.timberkeyboardnew.ui.adapter.HomeViewAdapter
@@ -61,11 +60,11 @@ class HomeFragment :
 
 
     fun onShowAd() {
-        AdManager.showAd(AdManager.adPos_1) {
-            if (it == AdManager.SHOW_FAIL || it == AdManager.NO_CACHE || it == AdManager.SHOW_CLOSE) {
+//        AdManager.showAd(AdManager.adPos_1) {
+//            if (it == AdManager.SHOW_FAIL || it == AdManager.NO_CACHE || it == AdManager.SHOW_CLOSE) {
                 enterList()
-            }
-        }
+//            }
+//        }
 
 
     }