diff --git a/app/src/main/java/com/gh/gamecenter/packagehelper/PackageFilterManager.kt b/app/src/main/java/com/gh/gamecenter/packagehelper/PackageFilterManager.kt
index a0ac7bae51..b7cc7d6b83 100644
--- a/app/src/main/java/com/gh/gamecenter/packagehelper/PackageFilterManager.kt
+++ b/app/src/main/java/com/gh/gamecenter/packagehelper/PackageFilterManager.kt
@@ -35,17 +35,21 @@ class PackageFilterManager {
 
         if (appendOnly) {
             // 添加因为异常而没能正常更新的包名列表
-            finalPackageList.addAll(PackageRepository.mPendingPackageNameSet)
+            synchronized(PackageRepository.mPendingPackageNameSet) {
+                finalPackageList.addAll(PackageRepository.mPendingPackageNameSet)
+            }
         }
 
         RetrofitManager.getInstance()
             .newApi
-            .postInstalledAppList(packageList.toRequestBody())
+            .postInstalledAppList(finalPackageList.toRequestBody())
             .subscribeOn(Schedulers.io())
             .subscribe(object : BiResponse<PackageFilter>() {
                 override fun onSuccess(data: PackageFilter) {
                     mPackageKey = data.key
-                    PackageRepository.mPendingPackageNameSet.clear()
+                    synchronized(PackageRepository.mPendingPackageNameSet) {
+                        PackageRepository.mPendingPackageNameSet.removeAll(finalPackageList)
+                    }
 
                     val partialPackageList = arrayListOf<String>()
 
@@ -78,7 +82,9 @@ class PackageFilterManager {
                     super.onFailure(exception)
 
                     if (appendOnly) {
-                        PackageRepository.mPendingPackageNameSet.addAll(packageList)
+                        synchronized(PackageRepository.mPendingPackageNameSet) {
+                            PackageRepository.mPendingPackageNameSet.addAll(finalPackageList)
+                        }
                     } else {
                         if (exception is retrofit2.HttpException && exception.code() == 403) {
                             // 403 代表 key 过期，需要重新获取
diff --git a/app/src/main/java/com/gh/gamecenter/packagehelper/PackageRepository.kt b/app/src/main/java/com/gh/gamecenter/packagehelper/PackageRepository.kt
index 35d4673fb9..b7644b7f73 100644
--- a/app/src/main/java/com/gh/gamecenter/packagehelper/PackageRepository.kt
+++ b/app/src/main/java/com/gh/gamecenter/packagehelper/PackageRepository.kt
@@ -85,7 +85,7 @@ object PackageRepository {
         _recentVaPlayedChanged.postValue(Unit)
     }
     val packageFilterManager = PackageFilterManager()
-    var mPendingPackageNameSet = hashSetOf<String>() // 因遇到异常而等待下次操作更新的包名列表
+    var mPendingPackageNameSet = Collections.synchronizedSet<String>(hashSetOf<String>()) // 因遇到异常而等待下次操作更新的包名列表
     var mValidPackageNameSet = hashSetOf<String>() // 已被收录的游戏包名列表