diff --git a/app/src/main/java/com/gh/common/util/GameCollectionSquareBrowseTaskHelper.kt b/app/src/main/java/com/gh/common/util/GameCollectionSquareBrowseTaskHelper.kt
index 30d2557267..7d9e019e82 100644
--- a/app/src/main/java/com/gh/common/util/GameCollectionSquareBrowseTaskHelper.kt
+++ b/app/src/main/java/com/gh/common/util/GameCollectionSquareBrowseTaskHelper.kt
@@ -213,7 +213,7 @@ object GameCollectionSquareBrowseTaskHelper {
 
     @SuppressLint("CheckResult")
     private fun postBrowseFinish() {
-        RetrofitManager.getInstance(HaloApp.getInstance())
+        RetrofitManager.getInstance()
             .newApi
             .postGameCollectionTask("browse_game_list_square", "0")
             .compose(singleToMain())
diff --git a/app/src/main/java/com/gh/common/util/LogUtils.java b/app/src/main/java/com/gh/common/util/LogUtils.java
index e83d123001..20beffc0f0 100644
--- a/app/src/main/java/com/gh/common/util/LogUtils.java
+++ b/app/src/main/java/com/gh/common/util/LogUtils.java
@@ -599,7 +599,7 @@ public class LogUtils {
                 gameCollectionActivityUrl = Constants.GAME_COLLECTION_ACTIVITY_ADDRESS;
             }
             if (url.contains(gameCollectionActivityUrl)) {
-                RetrofitManager.getInstance(HaloApp.getInstance().getApplication()).getNewApi()
+                RetrofitManager.getInstance().getNewApi()
                         .postGameCollectionTask("repost_activity", "0")
                         .subscribeOn(Schedulers.io())
                         .subscribe(new EmptyResponse<>());
diff --git a/app/src/main/java/com/gh/gamecenter/forum/home/CommunityHomeFragment.kt b/app/src/main/java/com/gh/gamecenter/forum/home/CommunityHomeFragment.kt
index ab1e2c7aa9..d269bbf4ea 100644
--- a/app/src/main/java/com/gh/gamecenter/forum/home/CommunityHomeFragment.kt
+++ b/app/src/main/java/com/gh/gamecenter/forum/home/CommunityHomeFragment.kt
@@ -17,7 +17,6 @@ import com.gh.base.adapter.FragmentAdapter
 import com.gh.base.fragment.LazyFragment
 import com.gh.common.dialog.TrackableDialog
 import com.gh.common.util.*
-import com.gh.common.util.EntranceUtils.KEY_LAST_SELECTED_POSITION
 import com.gh.gamecenter.R
 import com.gh.gamecenter.databinding.FragmentCommunityHomeBinding
 import com.gh.gamecenter.databinding.TabItemCommunityBinding
@@ -46,20 +45,6 @@ class CommunityHomeFragment : LazyFragment() {
     private var mTabList = arrayListOf<TextView>()
     private var mDefaultSelectedTab = -1
 
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        savedInstanceState?.run {
-            mDefaultSelectedTab = getInt(KEY_LAST_SELECTED_POSITION)
-        }
-    }
-
-    override fun onSaveInstanceState(outState: Bundle) {
-        mBinding?.viewPager?.run {
-            outState.putInt(KEY_LAST_SELECTED_POSITION, currentItem)
-        }
-        super.onSaveInstanceState(outState)
-    }
-
     override fun getRealLayoutId(): Int {
         return R.layout.fragment_community_home
     }
diff --git a/app/src/main/java/com/gh/gamecenter/gamecollection/detail/GameCollectionDetailViewModel.kt b/app/src/main/java/com/gh/gamecenter/gamecollection/detail/GameCollectionDetailViewModel.kt
index ca80eff8e9..1b8b705ea5 100644
--- a/app/src/main/java/com/gh/gamecenter/gamecollection/detail/GameCollectionDetailViewModel.kt
+++ b/app/src/main/java/com/gh/gamecenter/gamecollection/detail/GameCollectionDetailViewModel.kt
@@ -366,7 +366,7 @@ open class GameCollectionDetailViewModel(application: Application,
 
     @SuppressLint("CheckResult")
     fun postGameCollectionTask(event: String, gameCollectionId: String = "0") {
-        RetrofitManager.getInstance(HaloApp.getInstance())
+        RetrofitManager.getInstance()
             .newApi
             .postGameCollectionTask(event, gameCollectionId)
             .compose(singleToMain())
diff --git a/app/src/main/java/com/halo/assistant/HaloApp.java b/app/src/main/java/com/halo/assistant/HaloApp.java
index 24e245ab76..44595dc3c6 100644
--- a/app/src/main/java/com/halo/assistant/HaloApp.java
+++ b/app/src/main/java/com/halo/assistant/HaloApp.java
@@ -89,7 +89,6 @@ public class HaloApp extends MultiDexApplication {
     public boolean isNewForThisVersion = false; // 当前用户是否是安装当前版本后第一次打开 (包括全新和更新)
     public boolean isReinstallTheSameVersion = false; // 当前用户是否重新安装了一次当前版本后的第一次打开
     public boolean isRunningForeground = false;  // 标记当前 APP 是否处于前台运行中
-    public boolean isEmulator = false; // 当前设备是否为模拟器
 
     public int mCacheKeyboardHeight = 0;