diff --git a/app/src/main/java/org/lsposed/manager/ui/fragment/BaseFragment.java b/app/src/main/java/org/lsposed/manager/ui/fragment/BaseFragment.java
index 15081e60..a95d94bf 100644
--- a/app/src/main/java/org/lsposed/manager/ui/fragment/BaseFragment.java
+++ b/app/src/main/java/org/lsposed/manager/ui/fragment/BaseFragment.java
@@ -34,7 +34,9 @@ import com.google.android.material.snackbar.Snackbar;
 import org.lsposed.manager.App;
 import org.lsposed.manager.R;
 
+import java.util.concurrent.Callable;
 import java.util.concurrent.Future;
+import java.util.concurrent.FutureTask;
 
 public class BaseFragment extends Fragment {
     public void navigateUp() {
@@ -70,8 +72,12 @@ public class BaseFragment extends Fragment {
         }
     }
 
-    public Future<?> runAsync(Runnable runnable) {
-        return App.getExecutorService().submit(runnable);
+    public void runAsync(Runnable runnable) {
+        App.getExecutorService().submit(runnable);
+    }
+
+    public <T> Future<T> runAsync(Callable<T> callable) {
+        return App.getExecutorService().submit(callable);
     }
 
     public void runOnUiThread(Runnable runnable) {
@@ -81,6 +87,17 @@ public class BaseFragment extends Fragment {
         }
     }
 
+    public <T> Future<T> runOnUiThread(Callable<T> callable) {
+        Activity activity = getActivity();
+        if (activity != null && !activity.isFinishing()) {
+            var task = new FutureTask<>(callable);
+            activity.runOnUiThread(task);
+            return task;
+        } else {
+            return new FutureTask<>(() -> null);
+        }
+    }
+
     public void showHint(@StringRes int res, boolean lengthShort, @StringRes int actionRes, View.OnClickListener action) {
         showHint(getString(res), lengthShort, getString(actionRes), action);
     }
@@ -105,4 +122,5 @@ public class BaseFragment extends Fragment {
         }
         Toast.makeText(requireContext(), str, lengthShort ? Toast.LENGTH_SHORT : Toast.LENGTH_LONG).show();
     }
+
 }
diff --git a/app/src/main/java/org/lsposed/manager/ui/fragment/HomeFragment.java b/app/src/main/java/org/lsposed/manager/ui/fragment/HomeFragment.java
index 8fc55d18..827f022c 100644
--- a/app/src/main/java/org/lsposed/manager/ui/fragment/HomeFragment.java
+++ b/app/src/main/java/org/lsposed/manager/ui/fragment/HomeFragment.java
@@ -34,7 +34,6 @@ import androidx.core.text.HtmlCompat;
 import androidx.fragment.app.DialogFragment;
 
 import com.google.android.material.color.MaterialColors;
-import com.google.android.material.snackbar.Snackbar;
 
 import org.lsposed.manager.BuildConfig;
 import org.lsposed.manager.ConfigManager;
@@ -211,7 +210,7 @@ public class HomeFragment extends BaseFragment implements RepoLoader.RepoListene
                 }
         );
         runOnUiThread(() -> {
-            if (count[0] > 0) {
+            if (count[0] > 0 && binding != null) {
                 binding.downloadSummary.setText(getResources().getQuantityString(R.plurals.module_repo_upgradable, count[0], count[0]));
             } else {
                 onThrowable(null);
@@ -221,7 +220,10 @@ public class HomeFragment extends BaseFragment implements RepoLoader.RepoListene
 
     @Override
     public void onThrowable(Throwable t) {
-        runOnUiThread(() -> binding.downloadSummary.setText(getResources().getString(R.string.module_repo_up_to_date)));
+        runOnUiThread(() -> {
+            if (binding != null)
+                binding.downloadSummary.setText(getResources().getString(R.string.module_repo_up_to_date));
+        });
     }
 
     @Override
@@ -258,7 +260,10 @@ public class HomeFragment extends BaseFragment implements RepoLoader.RepoListene
     }
 
     private void setModulesSummary(int moduleCount) {
-        runOnUiThread(() -> binding.modulesSummary.setText(moduleCount == -1 ? getString(R.string.loading) : getResources().getQuantityString(R.plurals.modules_enabled_count, moduleCount, moduleCount)));
+        runOnUiThread(() -> {
+            if (binding != null)
+                binding.modulesSummary.setText(moduleCount == -1 ? getString(R.string.loading) : getResources().getQuantityString(R.plurals.modules_enabled_count, moduleCount, moduleCount));
+        });
     }
 
     @Override
diff --git a/app/src/main/java/org/lsposed/manager/ui/fragment/ModulesFragment.java b/app/src/main/java/org/lsposed/manager/ui/fragment/ModulesFragment.java
index 6f7b61f9..8590b2aa 100644
--- a/app/src/main/java/org/lsposed/manager/ui/fragment/ModulesFragment.java
+++ b/app/src/main/java/org/lsposed/manager/ui/fragment/ModulesFragment.java
@@ -236,8 +236,10 @@ public class ModulesFragment extends BaseFragment implements ModuleUtil.ModuleLi
     private void updateModuleSummary() {
         var moduleCount = moduleUtil.getEnabledModulesCount();
         runOnUiThread(() -> {
-            binding.toolbar.setSubtitle(moduleCount == -1 ? getString(R.string.loading) : getResources().getQuantityString(R.plurals.modules_enabled_count, moduleCount, moduleCount));
-            binding.toolbarLayout.setSubtitle(binding.toolbar.getSubtitle());
+            if (binding != null) {
+                binding.toolbar.setSubtitle(moduleCount == -1 ? getString(R.string.loading) : getResources().getQuantityString(R.plurals.modules_enabled_count, moduleCount, moduleCount));
+                binding.toolbarLayout.setSubtitle(binding.toolbar.getSubtitle());
+            }
         });
     }
 
diff --git a/app/src/main/java/org/lsposed/manager/ui/fragment/RepoFragment.java b/app/src/main/java/org/lsposed/manager/ui/fragment/RepoFragment.java
index f7d7b164..83d9deed 100644
--- a/app/src/main/java/org/lsposed/manager/ui/fragment/RepoFragment.java
+++ b/app/src/main/java/org/lsposed/manager/ui/fragment/RepoFragment.java
@@ -152,14 +152,16 @@ public class RepoFragment extends BaseFragment implements RepoLoader.RepoListene
             count[0] = -1;
         }
         runOnUiThread(() -> {
-            if (count[0] > 0) {
-                binding.toolbar.setSubtitle(getResources().getQuantityString(R.plurals.module_repo_upgradable, count[0], count[0]));
-            } else if (count[0] == 0) {
-                binding.toolbar.setSubtitle(getResources().getString(R.string.module_repo_up_to_date));
-            } else {
-                binding.toolbar.setSubtitle(getResources().getString(R.string.loading));
+            if (binding != null) {
+                if (count[0] > 0) {
+                    binding.toolbar.setSubtitle(getResources().getQuantityString(R.plurals.module_repo_upgradable, count[0], count[0]));
+                } else if (count[0] == 0) {
+                    binding.toolbar.setSubtitle(getResources().getString(R.string.module_repo_up_to_date));
+                } else {
+                    binding.toolbar.setSubtitle(getResources().getString(R.string.loading));
+                }
+                binding.toolbarLayout.setSubtitle(binding.toolbar.getSubtitle());
             }
-            binding.toolbarLayout.setSubtitle(binding.toolbar.getSubtitle());
         });
     }