diff --git a/app/src/main/java/com/gh/common/util/PackageUtils.java b/app/src/main/java/com/gh/common/util/PackageUtils.java
index 3807806137..44272c3ed3 100644
--- a/app/src/main/java/com/gh/common/util/PackageUtils.java
+++ b/app/src/main/java/com/gh/common/util/PackageUtils.java
@@ -22,7 +22,6 @@ import com.android.apksig.ApkVerifier;
 import com.android.apksig.internal.apk.ApkSigningBlockUtilsLite;
 import com.g00fy2.versioncompare.Version;
 import com.gh.common.xapk.XapkInstaller;
-import com.gh.download.DownloadManager;
 import com.gh.gamecenter.BuildConfig;
 import com.gh.gamecenter.common.constant.Constants;
 import com.gh.gamecenter.common.utils.ExtensionsKt;
@@ -35,7 +34,6 @@ import com.gh.gamecenter.manager.PackagesManager;
 import com.gh.vspace.VHelper;
 import com.gh.vspace.db.VGameEntity;
 import com.halo.assistant.HaloApp;
-import com.lightgame.download.DownloadEntity;
 import com.lightgame.utils.Utils;
 
 import net.dongliu.apk.parser.ApkFile;
@@ -64,8 +62,13 @@ import java.util.zip.ZipFile;
 
 public class PackageUtils {
 
+    private static long mLastInstalledPackageListTime = 0L;
+    private static List<PackageInfo> mInstalledPackageList = null;
+
     public static final String publicKey = "OpenSSLRSAPublicKey{modulus=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,publicExponent=10001}";
 
+    private static final String TAG = "PackageUtils";
+
     /*
      * 判断是否可以更新，只判断gh_version的大小
      */
@@ -872,12 +875,36 @@ public class PackageUtils {
         return false;
     }
 
+    /**
+     * 弃用已安装列表缓存
+     */
+    public static void dumpInstalledListCache() {
+        mLastInstalledPackageListTime = 0;
+    }
+
+    public static List<PackageInfo> getInstalledPackages(Context context, int flags) {
+        Utils.log(TAG, "即将获取已安装应用列表");
+
+        // 简单 debounce 掉过于频繁的调用获取已安装列表调用
+        if (System.currentTimeMillis() - mLastInstalledPackageListTime < 1000
+                && mInstalledPackageList != null
+                && mInstalledPackageList.size() > 0) {
+            Utils.log(TAG, "使用了缓存的已安装应用列表");
+            return new ArrayList<>(mInstalledPackageList);
+        }
+
+        Utils.log(TAG, "调用系统 API 获取全新的已安装应用列表");
+
+        mLastInstalledPackageListTime = System.currentTimeMillis();
+        mInstalledPackageList = getInstalledPackagesInternal(context, flags);
+        return mInstalledPackageList;
+    }
 
     /**
      * 在5.1系统手机使用PackageManager获取已安装应用容易发生Package manager has died异常
-     * https://stackoverflow.com/questions/13235793/transactiontoolargeeception-when-trying-to-get-a-list-of-applications-installed/30062632#30062632
+     * https://stackoverflow.com/questions/13235793/transactiontoolargeeception-when-trying-tÏo-get-a-list-of-applications-installed/30062632#30062632
      */
-    public static List<PackageInfo> getInstalledPackages(Context context, int flags) {
+    private static List<PackageInfo> getInstalledPackagesInternal(Context context, int flags) {
         final PackageManager pm = context.getPackageManager();
         try {
             return pm.getInstalledPackages(flags);
diff --git a/app/src/main/java/com/gh/gamecenter/receiver/InstallAndUninstallReceiver.java b/app/src/main/java/com/gh/gamecenter/receiver/InstallAndUninstallReceiver.java
index 86fd57a50c..4ba851f9f3 100644
--- a/app/src/main/java/com/gh/gamecenter/receiver/InstallAndUninstallReceiver.java
+++ b/app/src/main/java/com/gh/gamecenter/receiver/InstallAndUninstallReceiver.java
@@ -25,6 +25,7 @@ public class InstallAndUninstallReceiver extends BroadcastReceiver {
 
     @Override
     public void onReceive(Context context, Intent intent) {
+        PackageUtils.dumpInstalledListCache();
         ExtensionsKt.doOnMainProcessOnly(context, () -> {
             Utils.log("InstallAndUninstallReceiver:: onReceive->" + intent.getAction() + "==" + intent.getDataString());
             // 接收安装广播
diff --git a/app/src/main/java/com/halo/assistant/HaloApp.java b/app/src/main/java/com/halo/assistant/HaloApp.java
index b8b749fdae..b82fd0e89c 100644
--- a/app/src/main/java/com/halo/assistant/HaloApp.java
+++ b/app/src/main/java/com/halo/assistant/HaloApp.java
@@ -71,7 +71,6 @@ import com.shuyu.gsyvideoplayer.player.PlayerFactory;
 
 import java.lang.reflect.Method;
 import java.util.ServiceLoader;
-import java.util.concurrent.ExecutorService;
 
 import io.reactivex.plugins.RxJavaPlugins;
 import tv.danmaku.ijk.media.exo2.Exo2PlayerManager;
@@ -275,6 +274,8 @@ public class HaloApp extends MultiDexApplication implements Configuration.Provid
             ExtensionsKt.doOnMainProcessOnly(this, () -> {
                 retrieveVGameInfoIfNeeded();
                 PackageRepository.initData();
+                PackageHelper.refreshLocalPackageList();
+                PackageHelper.initList();
             });
 
             initReceiver();
@@ -355,9 +356,6 @@ public class HaloApp extends MultiDexApplication implements Configuration.Provid
             // 初始化全局下载监听
             DownloadObserver.initObserver();
 
-            PackageHelper.refreshLocalPackageList();
-            PackageHelper.initList();
-
             // 避免在华为设备上出现 `Register too many Broadcast Receivers` 异常，可见 https://github.com/llew2011/HuaWeiVerifier
             LoadedApkHuaWei.hookHuaWeiVerifier(this);