diff --git a/app/src/main/java/com/example/CQUPT/MainActivity.java b/app/src/main/java/com/example/CQUPT/MainActivity.java
index fac6d5a..752691b 100644
--- a/app/src/main/java/com/example/CQUPT/MainActivity.java
+++ b/app/src/main/java/com/example/CQUPT/MainActivity.java
@@ -57,7 +57,7 @@ protected void onCreate(Bundle savedInstanceState) {
 
             // 配置导航
             mAppBarConfiguration = new AppBarConfiguration.Builder(
-                    R.id.nav_home, R.id.nav_gallery, R.id.nav_slideshow,
+                    R.id.nav_home, R.id.nav_slideshow,
                     R.id.nav_network, R.id.nav_news, R.id.nav_course_selection, R.id.settingsFragment, R.id.aboutFragment)
                     .setOpenableLayout(drawer)
                     .build();
diff --git a/app/src/main/java/com/example/CQUPT/ui/gallery/GalleryFragment.java b/app/src/main/java/com/example/CQUPT/ui/gallery/GalleryFragment.java
deleted file mode 100644
index 1b4d91c..0000000
--- a/app/src/main/java/com/example/CQUPT/ui/gallery/GalleryFragment.java
+++ /dev/null
@@ -1,35 +0,0 @@
-package com.example.CQUPT.ui.gallery;
-
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
-import androidx.annotation.NonNull;
-import androidx.fragment.app.Fragment;
-import androidx.lifecycle.ViewModelProvider;
-import com.example.CQUPT.databinding.FragmentGalleryBinding;
-
-public class GalleryFragment extends Fragment {
-
-private FragmentGalleryBinding binding;
-
-    public View onCreateView(@NonNull LayoutInflater inflater,
-            ViewGroup container, Bundle savedInstanceState) {
-        GalleryViewModel galleryViewModel =
-                new ViewModelProvider(this).get(GalleryViewModel.class);
-
-    binding = FragmentGalleryBinding.inflate(inflater, container, false);
-    View root = binding.getRoot();
-
-        final TextView textView = binding.textGallery;
-        galleryViewModel.getText().observe(getViewLifecycleOwner(), textView::setText);
-        return root;
-    }
-
-@Override
-    public void onDestroyView() {
-        super.onDestroyView();
-        binding = null;
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/CQUPT/ui/gallery/GalleryViewModel.java b/app/src/main/java/com/example/CQUPT/ui/gallery/GalleryViewModel.java
deleted file mode 100644
index 57d85f0..0000000
--- a/app/src/main/java/com/example/CQUPT/ui/gallery/GalleryViewModel.java
+++ /dev/null
@@ -1,19 +0,0 @@
-package com.example.CQUPT.ui.gallery;
-
-import androidx.lifecycle.LiveData;
-import androidx.lifecycle.MutableLiveData;
-import androidx.lifecycle.ViewModel;
-
-public class GalleryViewModel extends ViewModel {
-
-    private final MutableLiveData<String> mText;
-
-    public GalleryViewModel() {
-        mText = new MutableLiveData<>();
-//        mText.setValue("why This is gallery fragment");
-    }
-
-    public LiveData<String> getText() {
-        return mText;
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/res/menu/activity_main_drawer.xml b/app/src/main/res/menu/activity_main_drawer.xml
index 18dc55c..5a77cdb 100644
--- a/app/src/main/res/menu/activity_main_drawer.xml
+++ b/app/src/main/res/menu/activity_main_drawer.xml
@@ -8,10 +8,6 @@
             android:id="@+id/nav_home"
             android:icon="@drawable/ic_menu_schedule"
             android:title="课表" />
-        <item
-            android:id="@+id/nav_gallery"
-            android:icon="@drawable/ic_menu_gallery"
-            android:title="@string/menu_gallery" />
         <item
             android:id="@+id/nav_slideshow"
             android:icon="@drawable/ic_menu_export"
diff --git a/app/src/main/res/navigation/mobile_navigation.xml b/app/src/main/res/navigation/mobile_navigation.xml
index 9bc200a..0bc363a 100644
--- a/app/src/main/res/navigation/mobile_navigation.xml
+++ b/app/src/main/res/navigation/mobile_navigation.xml
@@ -11,12 +11,6 @@
         android:label="课表"
         tools:layout="@layout/fragment_classes" />
 
-    <fragment
-        android:id="@+id/nav_gallery"
-        android:name="com.example.CQUPT.ui.gallery.GalleryFragment"
-        android:label="@string/menu_gallery"
-        tools:layout="@layout/fragment_gallery" />
-
     <fragment
         android:id="@+id/nav_slideshow"
         android:name="com.example.CQUPT.ui.slideshow.SlideshowFragment"