diff --git a/app/src/main/java/com/gh/gamecenter/home/slide/HomeSlideListViewHolder.kt b/app/src/main/java/com/gh/gamecenter/home/slide/HomeSlideListViewHolder.kt
index 362d844bcf..962e94478d 100644
--- a/app/src/main/java/com/gh/gamecenter/home/slide/HomeSlideListViewHolder.kt
+++ b/app/src/main/java/com/gh/gamecenter/home/slide/HomeSlideListViewHolder.kt
@@ -92,7 +92,7 @@ class HomeSlideListViewHolder(val binding: HomeSlideListBinding) : BaseRecyclerV
     // 缩放控制
     fun updateZoomAnimation() {
         val childCount = binding.recyclerView.childCount
-        val width = binding.recyclerView.getChildAt(0).width
+        val width = binding.recyclerView.getChildAt(0)?.width ?: return
         val padding = (binding.recyclerView.width - width) / 2
 
         for (j in 0 until childCount) {
diff --git a/app/src/main/java/com/gh/gamecenter/mygame/MyPlayedGameAdapter.kt b/app/src/main/java/com/gh/gamecenter/mygame/MyPlayedGameAdapter.kt
index 397c3b429c..925e778d91 100644
--- a/app/src/main/java/com/gh/gamecenter/mygame/MyPlayedGameAdapter.kt
+++ b/app/src/main/java/com/gh/gamecenter/mygame/MyPlayedGameAdapter.kt
@@ -189,7 +189,10 @@ class MyPlayedGameAdapter(context: Context, private val mViewModel: PlayedGameVi
 
         playedGameRemoveView.findViewById<View>(R.id.remove_container).setOnClickListener {
             popupWindow.dismiss()
-            mViewModel.deletePlayedGame(mEntityList[holder.adapterPosition])
+            val adapterPosition = holder.adapterPosition
+            if (adapterPosition != RecyclerView.NO_POSITION) {
+                mViewModel.deletePlayedGame(mEntityList[adapterPosition])
+            }
         }
 
         popupWindow.isTouchable = true
diff --git a/app/src/main/java/com/gh/gamecenter/newsdetail/NewsDetailAdapter.java b/app/src/main/java/com/gh/gamecenter/newsdetail/NewsDetailAdapter.java
index fbb4f9fa3f..423c6e7f32 100644
--- a/app/src/main/java/com/gh/gamecenter/newsdetail/NewsDetailAdapter.java
+++ b/app/src/main/java/com/gh/gamecenter/newsdetail/NewsDetailAdapter.java
@@ -788,7 +788,9 @@ public class NewsDetailAdapter extends BaseRecyclerAdapter<ViewHolder> {
     }
 
     public void setFontSize(int fontsize) {
-        mWebSettings.setTextZoom(defaultTextZoom + 15 * fontsize);
+        if (mWebSettings != null) {
+            mWebSettings.setTextZoom(defaultTextZoom + 15 * fontsize);
+        }
     }
 
     public class JsInterface {
diff --git a/app/src/main/java/com/gh/gamecenter/qa/search/AskSearchFragment.java b/app/src/main/java/com/gh/gamecenter/qa/search/AskSearchFragment.java
index 948a16a9e7..e88bedffd9 100644
--- a/app/src/main/java/com/gh/gamecenter/qa/search/AskSearchFragment.java
+++ b/app/src/main/java/com/gh/gamecenter/qa/search/AskSearchFragment.java
@@ -1,11 +1,12 @@
 package com.gh.gamecenter.qa.search;
 
 import android.os.Bundle;
+import android.text.TextUtils;
+import android.view.View;
+
 import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentActivity;
-import android.text.TextUtils;
-import android.view.View;
 
 import com.gh.base.fragment.BaseFragment_TabLayout;
 import com.gh.common.util.EntranceUtils;
@@ -88,7 +89,7 @@ public class AskSearchFragment extends BaseFragment_TabLayout {
 
     void updateSearch(String key) {
         for (Fragment fragment : mFragmentsList) {
-            if (fragment instanceof BaseAskSearchFragment) {
+            if (fragment instanceof BaseAskSearchFragment && isAdded()) {
                 ((BaseAskSearchFragment) fragment).search(key);
                 Bundle arguments = fragment.getArguments();
                 // 处于 state saved 状态的 fragment 不可 setArguments
diff --git a/app/src/main/java/com/gh/gamecenter/servers/GameServersContentFragment.java b/app/src/main/java/com/gh/gamecenter/servers/GameServersContentFragment.java
index 329da72640..4caa7c67c0 100644
--- a/app/src/main/java/com/gh/gamecenter/servers/GameServersContentFragment.java
+++ b/app/src/main/java/com/gh/gamecenter/servers/GameServersContentFragment.java
@@ -8,6 +8,13 @@ import android.widget.LinearLayout;
 import android.widget.RelativeLayout;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.DefaultItemAnimator;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.viewpager.widget.ViewPager;
+
 import com.gh.base.fragment.BaseFragment;
 import com.gh.common.exposure.ExposureListener;
 import com.gh.common.util.DownloadItemUtils;
@@ -29,12 +36,6 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 
-import androidx.annotation.Nullable;
-import androidx.fragment.app.Fragment;
-import androidx.recyclerview.widget.DefaultItemAnimator;
-import androidx.recyclerview.widget.LinearLayoutManager;
-import androidx.recyclerview.widget.RecyclerView;
-import androidx.viewpager.widget.ViewPager;
 import butterknife.BindView;
 import butterknife.OnClick;
 
@@ -136,6 +137,8 @@ public class GameServersContentFragment extends BaseFragment {
             public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                 super.onScrolled(recyclerView, dx, dy);
                 int position = mLayoutManager.findFirstVisibleItemPosition();
+                if (RecyclerView.NO_POSITION == position) return;
+
                 List<GameEntity> dataList = mAdapter.getDataList();
                 GameEntity gameEntity = dataList.get(position + 1);
                 Long kaifuTimeHint = gameEntity.getKaifuTimeHint();
@@ -271,7 +274,7 @@ public class GameServersContentFragment extends BaseFragment {
     @Override
     public void loadError() {
         if (!isAdded()) return;
-        
+
         super.loadError();
         toast(R.string.loading_failed_hint);
         mKaiFuTimeLl.setVisibility(View.GONE);