diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 85dfe1d..2644bd8 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -51,6 +51,12 @@ android {
                 getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro"
             )
         }
+        debug {
+            isMinifyEnabled = true
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro"
+            )
+        }
     }
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_11
diff --git a/app/src/main/java/com/all/pdfreader/pdf/reader/PRApp.kt b/app/src/main/java/com/all/pdfreader/pdf/reader/PRApp.kt
index 4cfe60d..5c8e208 100644
--- a/app/src/main/java/com/all/pdfreader/pdf/reader/PRApp.kt
+++ b/app/src/main/java/com/all/pdfreader/pdf/reader/PRApp.kt
@@ -46,7 +46,6 @@ class PRApp : Application() {
         UpLoadManager.init(context = this, tag = "PRApp_upload_task") { _, _ -> }
         // 广告初始化
         MobileAds.initialize(this)
-        initMobileAds()
     }
 
     private fun initMobileAds() {
diff --git a/app/src/main/java/com/all/pdfreader/pdf/reader/ad/AdsInsUtil.kt b/app/src/main/java/com/all/pdfreader/pdf/reader/ad/AdsInsUtil.kt
index a0a9019..a3cdcc7 100644
--- a/app/src/main/java/com/all/pdfreader/pdf/reader/ad/AdsInsUtil.kt
+++ b/app/src/main/java/com/all/pdfreader/pdf/reader/ad/AdsInsUtil.kt
@@ -1,6 +1,7 @@
 package com.all.pdfreader.pdf.reader.ad
 
 import android.app.Activity
+import com.all.pdfreader.pdf.reader.BuildConfig
 
 object AdsInsUtil {
     /** 广告位定义（可扩展） */
@@ -16,6 +17,7 @@ object AdsInsUtil {
 
     object Placement {
         const val TAG = "ocean-ad"
+
         /**
          * 启动页插页
          */
@@ -54,13 +56,41 @@ object AdsInsUtil {
 
     // 广告位对应的广告ID
     val adUnitIdMap: Map<AdPlacement, String> = mapOf(
-        AdPlacement.SPL_AND_INTO_HOME to "ca-app-pub-5717753826607607/9606833210",
-        AdPlacement.INT_AND_TOPDF to "ca-app-pub-5717753826607607/5308904672",
-        AdPlacement.INT_AND_PDFTOHOME to "ca-app-pub-5717753826607607/7085128570",
-        AdPlacement.INT_AND_MERGE to "ca-app-pub-5717753826607607/8928693282",
-        AdPlacement.INT_AND_SPLIT to "ca-app-pub-5717753826607607/2338415962",
-        AdPlacement.NATIVE_AND_EXIT to "ca-app-pub-5717753826607607/7276700267",
-        AdPlacement.BAN_AND_HOMEPAGE to "ca-app-pub-5717753826607607/5939567861"
+        AdPlacement.SPL_AND_INTO_HOME to if (BuildConfig.DEBUG) {
+            "ca-app-pub-3940256099942544/1033173712"
+        } else {
+            "ca-app-pub-5717753826607607/9606833210"
+        },
+        AdPlacement.INT_AND_TOPDF to if (BuildConfig.DEBUG) {
+            "ca-app-pub-3940256099942544/1033173712"
+        } else {
+            "ca-app-pub-5717753826607607/5308904672"
+        },
+        AdPlacement.INT_AND_PDFTOHOME to if (BuildConfig.DEBUG) {
+            "ca-app-pub-3940256099942544/1033173712"
+        } else {
+            "ca-app-pub-5717753826607607/7085128570"
+        },
+        AdPlacement.INT_AND_MERGE to if (BuildConfig.DEBUG) {
+            "ca-app-pub-3940256099942544/1033173712"
+        } else {
+            "ca-app-pub-5717753826607607/8928693282"
+        },
+        AdPlacement.INT_AND_SPLIT to if (BuildConfig.DEBUG) {
+            "ca-app-pub-3940256099942544/1033173712"
+        } else {
+            "ca-app-pub-5717753826607607/2338415962"
+        },
+        AdPlacement.NATIVE_AND_EXIT to if (BuildConfig.DEBUG) {
+            "ca-app-pub-3940256099942544/2247696110"
+        } else {
+            "ca-app-pub-5717753826607607/7276700267"
+        },
+        AdPlacement.BAN_AND_HOMEPAGE to if (BuildConfig.DEBUG) {
+            "ca-app-pub-3940256099942544/9214589741"
+        } else {
+            "ca-app-pub-5717753826607607/5939567861"
+        }
     )
 
     fun loadAd(