diff --git a/app/src/main/java/com/hippo/ehviewer/UrlOpener.java b/app/src/main/java/com/hippo/ehviewer/UrlOpener.java
index 56a80f177..3ab552db4 100644
--- a/app/src/main/java/com/hippo/ehviewer/UrlOpener.java
+++ b/app/src/main/java/com/hippo/ehviewer/UrlOpener.java
@@ -16,7 +16,6 @@
 
 package com.hippo.ehviewer;
 
-import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
@@ -24,11 +23,11 @@ import android.provider.Browser;
 import android.support.annotation.NonNull;
 import android.text.TextUtils;
 import android.widget.Toast;
-
 import com.hippo.ehviewer.client.EhUrlOpener;
 import com.hippo.ehviewer.ui.MainActivity;
 import com.hippo.scene.Announcer;
 import com.hippo.scene.StageActivity;
+import com.hippo.util.ExceptionUtils;
 
 public final class UrlOpener {
 
@@ -61,7 +60,8 @@ public final class UrlOpener {
         intent.putExtra(Browser.EXTRA_APPLICATION_ID, context.getPackageName());
         try {
             context.startActivity(intent);
-        } catch (ActivityNotFoundException e) {
+        } catch (Throwable e) {
+            ExceptionUtils.throwIfFatal(e);
             Toast.makeText(context, R.string.error_cant_find_activity, Toast.LENGTH_SHORT).show();
         }
     }
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/GalleryActivity.java b/app/src/main/java/com/hippo/ehviewer/ui/GalleryActivity.java
index 0af2fe536..d6d0ccead 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/GalleryActivity.java
+++ b/app/src/main/java/com/hippo/ehviewer/ui/GalleryActivity.java
@@ -66,6 +66,7 @@ import com.hippo.glgallery.GalleryView;
 import com.hippo.glgallery.SimpleAdapter;
 import com.hippo.glview.view.GLRootView;
 import com.hippo.unifile.UniFile;
+import com.hippo.util.ExceptionUtils;
 import com.hippo.util.SystemUiHelper;
 import com.hippo.widget.ColorView;
 import com.hippo.yorozuya.AnimationUtils;
@@ -895,7 +896,13 @@ public class GalleryActivity extends EhActivity implements SeekBar.OnSeekBarChan
         intent.setAction(Intent.ACTION_SEND);
         intent.putExtra(Intent.EXTRA_STREAM, uri);
         intent.setType(mimeType);
-        startActivity(Intent.createChooser(intent, getString(R.string.share_image)));
+
+        try {
+            startActivity(Intent.createChooser(intent, getString(R.string.share_image)));
+        } catch (Throwable e) {
+            ExceptionUtils.throwIfFatal(e);
+            Toast.makeText(this, R.string.error_cant_find_activity, Toast.LENGTH_SHORT).show();
+        }
     }
 
     private void saveImage(int page) {
diff --git a/app/src/main/java/com/hippo/preference/ActivityPreference.java b/app/src/main/java/com/hippo/preference/ActivityPreference.java
index c67f66e6c..1fef14680 100644
--- a/app/src/main/java/com/hippo/preference/ActivityPreference.java
+++ b/app/src/main/java/com/hippo/preference/ActivityPreference.java
@@ -22,8 +22,9 @@ import android.content.res.TypedArray;
 import android.preference.Preference;
 import android.util.AttributeSet;
 import android.util.Log;
-
+import android.widget.Toast;
 import com.hippo.ehviewer.R;
+import com.hippo.util.ExceptionUtils;
 
 public class ActivityPreference extends Preference {
 
@@ -68,6 +69,11 @@ public class ActivityPreference extends Preference {
         Context context = getContext();
         Intent intent = new Intent(context, mActivityClazz);
         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-        context.startActivity(intent);
+        try {
+            context.startActivity(intent);
+        } catch (Throwable e) {
+            ExceptionUtils.throwIfFatal(e);
+            Toast.makeText(context, R.string.error_cant_find_activity, Toast.LENGTH_SHORT).show();
+        }
     }
 }
diff --git a/app/src/main/java/com/hippo/util/AppHelper.java b/app/src/main/java/com/hippo/util/AppHelper.java
index 7c04a3109..71b0f07db 100644
--- a/app/src/main/java/com/hippo/util/AppHelper.java
+++ b/app/src/main/java/com/hippo/util/AppHelper.java
@@ -19,7 +19,6 @@ package com.hippo.util;
 import android.app.Activity;
 import android.app.Dialog;
 import android.app.Service;
-import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
@@ -28,7 +27,6 @@ import android.support.annotation.Nullable;
 import android.view.View;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.Toast;
-
 import com.hippo.ehviewer.R;
 
 public class AppHelper {
@@ -47,7 +45,8 @@ public class AppHelper {
         try {
             from.startActivity(i);
             return true;
-        } catch (ActivityNotFoundException e) {
+        } catch (Throwable e) {
+            ExceptionUtils.throwIfFatal(e);
             Toast.makeText(from, R.string.error_cant_find_activity, Toast.LENGTH_SHORT).show();
             return false;
         }
@@ -63,7 +62,8 @@ public class AppHelper {
         try {
             from.startActivity(chooser);
             return true;
-        } catch (ActivityNotFoundException e) {
+        } catch (Throwable e) {
+            ExceptionUtils.throwIfFatal(e);
             Toast.makeText(from, R.string.error_cant_find_activity, Toast.LENGTH_SHORT).show();
             return false;
         }