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 9b18c5d367..059bd43654 100644
--- a/app/src/main/java/com/gh/common/util/PackageUtils.java
+++ b/app/src/main/java/com/gh/common/util/PackageUtils.java
@@ -516,15 +516,21 @@ public class PackageUtils {
      * @return 进程名
      */
     public static String obtainProcessName(Context context) {
-        final int pid = android.os.Process.myPid();
-        ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
-        List<ActivityManager.RunningAppProcessInfo> listTaskInfo = am.getRunningAppProcesses();
-        if (listTaskInfo != null && !listTaskInfo.isEmpty()) {
-            for (ActivityManager.RunningAppProcessInfo info : listTaskInfo) {
-                if (info != null && info.pid == pid) {
-                    return info.processName;
+        try {
+            final int pid = android.os.Process.myPid();
+            ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
+            List<ActivityManager.RunningAppProcessInfo> listTaskInfo = am.getRunningAppProcesses();
+            if (listTaskInfo != null && !listTaskInfo.isEmpty()) {
+                for (ActivityManager.RunningAppProcessInfo info : listTaskInfo) {
+                    if (info != null && info.pid == pid) {
+                        return info.processName;
+                    }
                 }
             }
+        } catch (Exception e) {
+            // 遇到异常了让这次调用正常执行
+            e.printStackTrace();
+            return BuildConfig.APPLICATION_ID;
         }
         return null;
     }
diff --git a/app/src/main/java/com/gh/gamecenter/baselist/ListAdapter.java b/app/src/main/java/com/gh/gamecenter/baselist/ListAdapter.java
index 4dc9a36498..c0732ab620 100644
--- a/app/src/main/java/com/gh/gamecenter/baselist/ListAdapter.java
+++ b/app/src/main/java/com/gh/gamecenter/baselist/ListAdapter.java
@@ -4,6 +4,7 @@ import android.annotation.SuppressLint;
 import android.content.Context;
 import android.os.AsyncTask;
 
+import com.gh.common.util.ExtensionsKt;
 import com.lightgame.adapter.BaseRecyclerAdapter;
 
 import java.util.ArrayList;
@@ -20,7 +21,6 @@ public abstract class ListAdapter<DataType> extends BaseRecyclerAdapter {
     public static final int FOOTER_ITEM_COUNT = 1;
     public static final int TOP_ITEM_COUNT = 1;
 
-    // TODO mEntityList 适配多线程读写
     protected List<DataType> mEntityList = new ArrayList<>();
 
     protected boolean mIsOver;
@@ -47,6 +47,7 @@ public abstract class ListAdapter<DataType> extends BaseRecyclerAdapter {
             return;
         }
 
+        // TODO 复用线程
         new AsyncTask<Void, Void, DiffUtil.DiffResult>() {
             @Override
             protected DiffUtil.DiffResult doInBackground(Void... voids) {
@@ -66,8 +67,9 @@ public abstract class ListAdapter<DataType> extends BaseRecyclerAdapter {
                         if (oldItemPosition >= mEntityList.size()) return false;
                         if (newItemPosition >= updateData.size()) return false;
 
-                        DataType oldItem = mEntityList.get(oldItemPosition);
-                        DataType newItem = updateData.get(newItemPosition);
+                        // TODO 看看有什么方式可以避免多线程访问 mEntityList (所有 ListAdapter 共用一个线程?)
+                        DataType oldItem = ExtensionsKt.safelyGetInRelease(mEntityList, oldItemPosition);
+                        DataType newItem = ExtensionsKt.safelyGetInRelease(updateData, newItemPosition);
                         return ListAdapter.this.areItemsTheSame(oldItem, newItem);
                     }
 
@@ -76,8 +78,8 @@ public abstract class ListAdapter<DataType> extends BaseRecyclerAdapter {
                         if (oldItemPosition >= mEntityList.size()) return false;
                         if (newItemPosition >= updateData.size()) return false;
 
-                        DataType oldItem = mEntityList.get(oldItemPosition);
-                        DataType newItem = updateData.get(newItemPosition);
+                        DataType oldItem = ExtensionsKt.safelyGetInRelease(mEntityList, oldItemPosition);
+                        DataType newItem = ExtensionsKt.safelyGetInRelease(updateData, newItemPosition);
                         return ListAdapter.this.areContentsTheSame(oldItem, newItem);
                     }
                 });
diff --git a/app/src/main/java/com/gh/gamecenter/category/CategoryDirectoryFragment.kt b/app/src/main/java/com/gh/gamecenter/category/CategoryDirectoryFragment.kt
index 6bce7bb8eb..17eb4a7231 100644
--- a/app/src/main/java/com/gh/gamecenter/category/CategoryDirectoryFragment.kt
+++ b/app/src/main/java/com/gh/gamecenter/category/CategoryDirectoryFragment.kt
@@ -28,7 +28,7 @@ class CategoryDirectoryFragment : ListFragment<CategoryEntity, CategoryDirectory
     override fun onCreate(savedInstanceState: Bundle?) {
         mViewModel = ViewModelProviders.of(this).get(CategoryDirectoryListViewModel::class.java)
         mViewModel.categoryId = arguments?.getString(EntranceUtils.KEY_CATEGORY_ID)!!
-        mAdapter = CategoryDirectoryAdapter(context!!, arguments?.getString(EntranceUtils.KEY_CATEGORY_TITLE)!!)
+        mAdapter = CategoryDirectoryAdapter(context!!, arguments?.getString(EntranceUtils.KEY_CATEGORY_TITLE) ?: "")
         super.onCreate(savedInstanceState)
     }
 
diff --git a/app/src/main/java/com/halo/assistant/fragment/WebFragment.java b/app/src/main/java/com/halo/assistant/fragment/WebFragment.java
index 2744f43811..f212f1e184 100644
--- a/app/src/main/java/com/halo/assistant/fragment/WebFragment.java
+++ b/app/src/main/java/com/halo/assistant/fragment/WebFragment.java
@@ -276,7 +276,11 @@ public class WebFragment extends NormalFragment implements IScrollable {
         }
         // 避免提示网页有害信息不能访问
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            settings.setSafeBrowsingEnabled(false);
+            try {
+                settings.setSafeBrowsingEnabled(false);
+            } catch (AbstractMethodError e) {
+                e.printStackTrace();
+            }
         }
 
         mTimeElapsedHelper = new TimeElapsedHelper(this);