diff --git a/doc/软件设计/~$设计规格说明书-秀米日记.doc b/doc/软件设计/~$设计规格说明书-秀米日记.doc
new file mode 100644
index 0000000..5fbb8bd
Binary files /dev/null and b/doc/软件设计/~$设计规格说明书-秀米日记.doc differ
diff --git a/src/showme/.idea/gradle.xml b/src/showme/.idea/gradle.xml
index 1ef127a..fa95544 100644
--- a/src/showme/.idea/gradle.xml
+++ b/src/showme/.idea/gradle.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
diff --git a/src/showme/.idea/misc.xml b/src/showme/.idea/misc.xml
index 860da66..9815e2a 100644
--- a/src/showme/.idea/misc.xml
+++ b/src/showme/.idea/misc.xml
@@ -1,5 +1,48 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="NullableNotNullManager">
+    <option name="myDefaultNullable" value="org.jetbrains.annotations.Nullable" />
+    <option name="myDefaultNotNull" value="androidx.annotation.NonNull" />
+    <option name="myNullables">
+      <value>
+        <list size="14">
+          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
+          <item index="1" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
+          <item index="2" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
+          <item index="3" class="java.lang.String" itemvalue="androidx.annotation.Nullable" />
+          <item index="4" class="java.lang.String" itemvalue="androidx.annotation.RecentlyNullable" />
+          <item index="5" class="java.lang.String" itemvalue="com.android.annotations.Nullable" />
+          <item index="6" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
+          <item index="7" class="java.lang.String" itemvalue="javax.annotation.CheckForNull" />
+          <item index="8" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.qual.Nullable" />
+          <item index="9" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NullableDecl" />
+          <item index="10" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NullableType" />
+          <item index="11" class="java.lang.String" itemvalue="org.eclipse.jdt.annotation.Nullable" />
+          <item index="12" class="java.lang.String" itemvalue="io.reactivex.annotations.Nullable" />
+          <item index="13" class="java.lang.String" itemvalue="io.reactivex.rxjava3.annotations.Nullable" />
+        </list>
+      </value>
+    </option>
+    <option name="myNotNulls">
+      <value>
+        <list size="13">
+          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
+          <item index="1" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
+          <item index="2" class="java.lang.String" itemvalue="android.support.annotation.NonNull" />
+          <item index="3" class="java.lang.String" itemvalue="androidx.annotation.NonNull" />
+          <item index="4" class="java.lang.String" itemvalue="androidx.annotation.RecentlyNonNull" />
+          <item index="5" class="java.lang.String" itemvalue="com.android.annotations.NonNull" />
+          <item index="6" class="java.lang.String" itemvalue="javax.annotation.Nonnull" />
+          <item index="7" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.qual.NonNull" />
+          <item index="8" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NonNullDecl" />
+          <item index="9" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NonNullType" />
+          <item index="10" class="java.lang.String" itemvalue="org.eclipse.jdt.annotation.NonNull" />
+          <item index="11" class="java.lang.String" itemvalue="io.reactivex.annotations.NonNull" />
+          <item index="12" class="java.lang.String" itemvalue="io.reactivex.rxjava3.annotations.NonNull" />
+        </list>
+      </value>
+    </option>
+  </component>
   <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
diff --git a/src/showme/CalendarView/src/main/java/com/idealist/calendarview/RecyclerViewAdapter.java b/src/showme/CalendarView/src/main/java/com/idealist/calendarview/RecyclerViewAdapter.java
new file mode 100644
index 0000000..ad12a9a
--- /dev/null
+++ b/src/showme/CalendarView/src/main/java/com/idealist/calendarview/RecyclerViewAdapter.java
@@ -0,0 +1,66 @@
+package com.idealist.calendarview;
+
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.diary.database.utils.ScheduleSQLUtils;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class RecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> implements
+        View.OnClickListener{
+    private List<String> mDatabase;
+
+    private OnItemClickListener onItemClickListener = null;
+
+    public RecyclerViewAdapter(List<String> mDatabase) {
+        super();
+        this.mDatabase = mDatabase;
+    }
+
+    @NonNull
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = View.inflate(parent.getContext(), R.layout.schedule_item, null);
+        view.setOnClickListener(this);
+        return new RecyclerViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
+        if (!(holder instanceof RecyclerViewHolder))
+            return;
+        holder.itemView.setTag(position);
+        String text = mDatabase.get(position);
+        ((RecyclerViewHolder) holder).timeTextView.setText(ScheduleSQLUtils.extractScheduleTime(text));
+        ((RecyclerViewHolder) holder).titleTextView.setText(ScheduleSQLUtils.extractScheduleName(text));
+    }
+
+    @Override
+    public int getItemCount() {
+        return mDatabase.size();
+    }
+
+    @Override
+    public void onClick(View v) {
+        if (onItemClickListener != null) {
+            onItemClickListener.onItemClick(v, (int) v.getTag());
+        }
+    }
+
+    public void setmDatabase(List<String> mDatabase) {
+        this.mDatabase = mDatabase;
+    }
+
+    public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
+        this.onItemClickListener = onItemClickListener;
+    }
+
+    public interface OnItemClickListener {
+        void onItemClick(View view, int position);
+    }
+}
diff --git a/src/showme/CalendarView/src/main/java/com/idealist/calendarview/RecyclerViewBehavior.java b/src/showme/CalendarView/src/main/java/com/idealist/calendarview/RecyclerViewBehavior.java
new file mode 100644
index 0000000..33349a2
--- /dev/null
+++ b/src/showme/CalendarView/src/main/java/com/idealist/calendarview/RecyclerViewBehavior.java
@@ -0,0 +1,141 @@
+package com.idealist.calendarview;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.View;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.coordinatorlayout.widget.CoordinatorLayout;
+import androidx.core.view.ViewCompat;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.viewpager.widget.ViewPager;
+
+import static android.content.ContentValues.TAG;
+
+public class RecyclerViewBehavior extends CoordinatorLayout.Behavior<RecyclerView> {
+
+    private int initOffset = -1;
+    private int minOffset = -1;
+    private int bottomOffset = -1;
+    private Context context;
+    private boolean initiated = false;
+    boolean hidingTop = false;
+    boolean showingTop = false;
+
+    public RecyclerViewBehavior(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        this.context = context;
+    }
+
+    @Override
+    public boolean onLayoutChild(@NonNull CoordinatorLayout parent, @NonNull RecyclerView child, int layoutDirection) {
+        parent.onLayoutChild(child, layoutDirection);
+        CalendarPager calendarPager = getCalendarPager(parent);
+        initMinOffsetAndInitOffset(parent, child, calendarPager);
+        return true;
+    }
+
+    private void initMinOffsetAndInitOffset(CoordinatorLayout parent, RecyclerView child, CalendarPager pager) {
+        if (pager.getBottom() > 0 && initOffset == -1) {
+            initOffset = pager.getMeasuredHeight();
+            CalendarAttr.setRecTop(initOffset);
+        }
+        if (pager.getBottom() > 0 && bottomOffset == -1) {
+            bottomOffset = State.DEFAULT_ITEM_HEIGHT_FULL * 6;
+        }
+        if (!initiated) {
+            initOffset = pager.getMeasuredHeight();
+            CalendarAttr.setRecTop(initOffset);
+            initiated = true;
+        }
+        child.offsetTopAndBottom(CalendarAttr.getRecTop());
+        minOffset = getCalendarPager(parent).getItemHeight();
+    }
+
+    @Override
+    public boolean onStartNestedScroll(@NonNull CoordinatorLayout coordinatorLayout, @NonNull RecyclerView child, @NonNull View directTargetChild, @NonNull View target, int axes, int type) {
+        return (axes & ViewCompat.SCROLL_AXIS_VERTICAL) != 0;
+    }
+
+    @Override
+    public void onNestedPreScroll(@NonNull CoordinatorLayout coordinatorLayout, @NonNull RecyclerView child, @NonNull View target, int dx, int dy, @NonNull int[] consumed, int type) {
+        super.onNestedPreScroll(coordinatorLayout, child, target, dx, dy, consumed, type);
+        child.setVerticalScrollBarEnabled(true);
+
+        CalendarPager pager = (CalendarPager) coordinatorLayout.getChildAt(0);
+        if (pager.getPageScrollState() != ViewPager.SCROLL_STATE_IDLE) {
+            consumed[1] = dy;
+            Log.w("ldf", "onNestedPreScroll: MonthPager dragging");
+            Toast.makeText(context, "loading month data", Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        // 上滑，正在隐藏顶部的日历
+        hidingTop = dy > 0;
+        // 下滑，正在展示顶部的日历
+        showingTop = dy < 0 && !target.canScrollVertically(-1);
+        Log.i("recycleBehavior", "hidingTop: " + hidingTop + " showingTop: " + showingTop);
+        if (hidingTop || showingTop) {
+            if (pager.getScrollLevel() == State.LEVEL_TOP) {
+                consumed[1] = CalendarUtils.scroll(child, dy,
+                        State.DEFAULT_ITEM_HEIGHT,
+                        State.DEFAULT_ITEM_HEIGHT * 6 + 10);
+            } else if (pager.getScrollLevel() == State.LEVEL_MEDIUM) {
+                consumed[1] = CalendarUtils.scroll(child, dy,
+                        State.DEFAULT_ITEM_HEIGHT,
+                        State.DEFAULT_ITEM_HEIGHT_FULL * 6);
+            }
+            CalendarAttr.setRecTop(child.getTop());
+        }
+    }
+
+    @Override
+    public void onStopNestedScroll(@NonNull CoordinatorLayout coordinatorLayout, @NonNull RecyclerView child, @NonNull View target, int type) {
+        super.onStopNestedScroll(coordinatorLayout, child, target, type);
+        CalendarPager pager = (CalendarPager) getCalendarPager(coordinatorLayout);
+        CalendarViewAdapter adapter = (CalendarViewAdapter) pager.getAdapter();
+
+        if (pager.getScrollLevel() == State.LEVEL_TOP) {
+            if (CalendarAttr.getRecTop() - minOffset > CalendarUtils.getTouchSlop(context) && showingTop
+                    && CalendarAttr.getRecTop() < initOffset + 110) {
+                pager.setScrollLevel(State.LEVEL_MEDIUM);
+                adapter.changeCalendarType(State.VIEW_MONTH);
+                CalendarUtils.scrollTo(coordinatorLayout, child, getCalendarPager(coordinatorLayout).getViewHeight(), 500);
+                CalendarUtils.forceStopRecyclerViewScroll(child);
+            } else {
+                CalendarUtils.scrollTo(coordinatorLayout, child, getCalendarPager(coordinatorLayout).getItemHeight(), 150);
+            }
+        } else if (pager.getScrollLevel() == State.LEVEL_MEDIUM) {
+            if (initOffset - CalendarAttr.getRecTop() > CalendarUtils.getTouchSlop(context) && hidingTop) {
+                pager.setScrollLevel(State.LEVEL_TOP);
+                adapter.changeCalendarType(State.VIEW_WEEK);
+                CalendarUtils.scrollTo(coordinatorLayout, child, getCalendarPager(coordinatorLayout).getItemHeight(), 500);
+                CalendarUtils.forceStopRecyclerViewScroll(child);
+            } else if (CalendarAttr.getRecTop() - initOffset > CalendarUtils.getTouchSlop(context) && showingTop) {
+                pager.setScrollLevel(State.LEVEL_BOTTOM);
+                adapter.changeCalendarType(State.VIEW_FULL);
+                CalendarUtils.scrollTo(coordinatorLayout, child, getCalendarPager(coordinatorLayout).getViewHeight(), 500);
+                CalendarUtils.forceStopRecyclerViewScroll(child);
+            } else {
+                CalendarUtils.scrollTo(coordinatorLayout, child, getCalendarPager(coordinatorLayout).getViewHeight(), 150);
+            }
+        }
+    }
+
+    @Override
+    public boolean onNestedFling(@NonNull CoordinatorLayout coordinatorLayout, @NonNull RecyclerView child, @NonNull View target, float velocityX, float velocityY, boolean consumed) {
+        return super.onNestedFling(coordinatorLayout, child, target, velocityX, velocityY, consumed);
+    }
+
+    @Override
+    public boolean onNestedPreFling(@NonNull CoordinatorLayout coordinatorLayout, @NonNull RecyclerView child, @NonNull View target, float velocityX, float velocityY) {
+        return super.onNestedPreFling(coordinatorLayout, child, target, velocityX, velocityY);
+    }
+
+    private CalendarPager getCalendarPager(CoordinatorLayout parent) {
+        return (CalendarPager) parent.getChildAt(0);
+    }
+
+}
diff --git a/src/showme/CalendarView/src/main/java/com/idealist/calendarview/RecyclerViewHolder.java b/src/showme/CalendarView/src/main/java/com/idealist/calendarview/RecyclerViewHolder.java
new file mode 100644
index 0000000..32578e0
--- /dev/null
+++ b/src/showme/CalendarView/src/main/java/com/idealist/calendarview/RecyclerViewHolder.java
@@ -0,0 +1,20 @@
+package com.idealist.calendarview;
+
+import android.view.View;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+public class RecyclerViewHolder extends RecyclerView.ViewHolder {
+    public TextView timeTextView;
+    public TextView titleTextView;
+
+    public RecyclerViewHolder(@NonNull View itemView) {
+        super(itemView);
+        timeTextView = itemView.findViewById(R.id.schedule_time);
+        titleTextView = itemView.findViewById(R.id.schedule_title);
+    }
+
+
+}
diff --git a/src/showme/CalendarView/src/main/java/com/idealist/calendarview/SpaceItemDecoration.java b/src/showme/CalendarView/src/main/java/com/idealist/calendarview/SpaceItemDecoration.java
new file mode 100644
index 0000000..0288465
--- /dev/null
+++ b/src/showme/CalendarView/src/main/java/com/idealist/calendarview/SpaceItemDecoration.java
@@ -0,0 +1,30 @@
+package com.idealist.calendarview;
+
+import android.graphics.Rect;
+import android.view.View;
+
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.HashMap;
+
+public class SpaceItemDecoration extends RecyclerView.ItemDecoration {
+    private int mSpace;
+
+    public SpaceItemDecoration(int mSpace) {
+        this.mSpace = mSpace;
+    }
+
+
+    @Override
+    public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
+        super.getItemOffsets(outRect, view, parent, state);
+        outRect.left = mSpace;
+        outRect.right = mSpace;
+        outRect.bottom = mSpace;
+        if (parent.getChildAdapterPosition(view) == 0) {
+            outRect.top = mSpace;
+        }
+
+    }
+}
+
diff --git a/src/showme/CalendarView/src/main/res/drawable/schedule_border.xml b/src/showme/CalendarView/src/main/res/drawable/schedule_border.xml
new file mode 100644
index 0000000..4a90bbf
--- /dev/null
+++ b/src/showme/CalendarView/src/main/res/drawable/schedule_border.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <shape>
+            <solid android:color="#000000"/>
+        </shape>
+    </item>
+
+    <item
+        android:left="1dp">
+        <shape>
+            <solid android:color="#ffffff"/>
+        </shape>
+    </item>
+</layer-list>
\ No newline at end of file
diff --git a/src/showme/CalendarView/src/main/res/layout/schedule_item.xml b/src/showme/CalendarView/src/main/res/layout/schedule_item.xml
new file mode 100644
index 0000000..6c22ca7
--- /dev/null
+++ b/src/showme/CalendarView/src/main/res/layout/schedule_item.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:paddingLeft="10dp"
+        android:paddingEnd="10dp">
+
+        <TextView
+            android:id="@+id/schedule_time"
+            android:layout_width="40dp"
+            android:layout_height="match_parent"
+            android:text="1:00\n7:00"
+            android:textSize="14sp"
+            android:gravity="center"/>
+
+        <TextView
+            android:id="@+id/schedule_title"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_marginStart="12dp"
+            android:layout_marginLeft="12dp"
+            android:layout_toEndOf="@+id/schedule_time"
+            android:layout_toRightOf="@+id/schedule_time"
+            android:gravity="center_vertical"
+            android:paddingLeft="20dp"
+            android:text="schedule"
+            android:textSize="24sp"
+            android:textStyle="bold"
+            android:background="@drawable/schedule_border"/>
+
+
+    </RelativeLayout>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/src/showme/CalendarView/src/main/res/values/attrs.xml b/src/showme/CalendarView/src/main/res/values/attrs.xml
new file mode 100644
index 0000000..4f19cca
--- /dev/null
+++ b/src/showme/CalendarView/src/main/res/values/attrs.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <declare-styleable name="MyView">
+        <attr name="item_height" format="dimension"/>
+        <attr name="text_size" format="dimension"/>
+    </declare-styleable>
+</resources>
\ No newline at end of file
diff --git a/src/showme/CalendarView/src/main/res/values/styles.xml b/src/showme/CalendarView/src/main/res/values/styles.xml
new file mode 100644
index 0000000..e46357e
--- /dev/null
+++ b/src/showme/CalendarView/src/main/res/values/styles.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="weekIndicatorStyle">
+        <item name="android:layout_width">0dp</item>
+        <item name="android:layout_height">match_parent</item>
+        <item name="android:layout_weight">1</item>
+        <item name="android:gravity">center</item>
+        <item name="android:textSize">13sp</item>
+        <item name="android:textColor">#ff25adff</item>
+    </style>
+</resources>
\ No newline at end of file
diff --git a/src/showme/app/build.gradle b/src/showme/app/build.gradle
index ec16de7..23a9dcf 100644
--- a/src/showme/app/build.gradle
+++ b/src/showme/app/build.gradle
@@ -35,9 +35,11 @@ dependencies {
     implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
     implementation 'cc.trity.floatingactionbutton:library:1.0.0'
     implementation 'org.greenrobot:eventbus:3.0.0'
+    implementation 'com.chanven.lib:cptr:1.1.0'
     implementation 'com.jakewharton:butterknife:8.0.1'
     implementation project(path: ':Database')
     implementation project(path: ':CalendarView')
+    annotationProcessor 'com.jakewharton:butterknife-compiler:8.0.1'
     testImplementation 'junit:junit:4.+'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
diff --git a/src/showme/app/src/main/AndroidManifest.xml b/src/showme/app/src/main/AndroidManifest.xml
index 7809c68..e94f1c1 100644
--- a/src/showme/app/src/main/AndroidManifest.xml
+++ b/src/showme/app/src/main/AndroidManifest.xml
@@ -1,7 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="com.diary.showme">
 
+    <uses-permission android:name="android.permission.KILL_BACKGROUND_PROCESSES" />
+    <uses-permission
+        android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+        tools:ignore="ScopedStorage" />
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
@@ -9,6 +15,12 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.Showme">
+        <activity android:name=".diary.ui.UpdateDiaryActivity" />
+        <activity android:name=".diary.ui.DiaryActivity" />
+        <activity android:name=".diary.ui.AddDiaryActivity" />
+        <activity android:name=".diary.ui.QuestionActivity"/>
+        <activity android:name=".Course.AddCourseActivity" />
+        <activity android:name=".Course.CourseActivity" />
         <activity android:name=".MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
@@ -16,6 +28,8 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity android:name=".Schedule.AddScheduleActivity" />
+        <activity android:name=".Schedule.EditScheduleActivity" />
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/src/showme/app/src/main/java/com/diary/showme/MainActivity.java b/src/showme/app/src/main/java/com/diary/showme/MainActivity.java
index 4017a4f..f8cbe06 100644
--- a/src/showme/app/src/main/java/com/diary/showme/MainActivity.java
+++ b/src/showme/app/src/main/java/com/diary/showme/MainActivity.java
@@ -6,7 +6,6 @@ import android.content.Intent;
 import android.database.sqlite.SQLiteDatabase;
 import android.os.Bundle;
 import android.util.DisplayMetrics;
-import android.view.View;
 import android.widget.TextView;
 import android.widget.Toast;
 
@@ -22,6 +21,7 @@ import com.diary.database.utils.ScheduleSQLUtils;
 import com.diary.showme.Course.CourseActivity;
 import com.diary.showme.Schedule.AddScheduleActivity;
 import com.diary.showme.Schedule.EditScheduleActivity;
+import com.diary.showme.diary.ui.QuestionActivity;
 import com.diary.showme.diary.ui.DiaryActivity;
 import com.idealist.calendarview.CalendarAttr;
 import com.idealist.calendarview.CalendarDay;
@@ -31,6 +31,8 @@ import com.idealist.calendarview.CalendarView;
 import com.idealist.calendarview.CalendarViewAdapter;
 //import com.idealist.calendarview.RecyclerViewAdapter;
 //import com.idealist.calendarview.SpaceItemDecoration;
+import com.idealist.calendarview.RecyclerViewAdapter;
+import com.idealist.calendarview.SpaceItemDecoration;
 import com.idealist.calendarview.State;
 import com.idealist.calendarview.interf.OnSelectDateListener;
 
@@ -60,7 +62,7 @@ public class MainActivity extends AppCompatActivity {
 
     private CalendarView.OnCalendarClickListener clickListener;
 
-    private FloatingActionButton scheduleFAB, courseFAB, diaryFAB, zoneFAB;
+    private FloatingActionButton scheduleFAB, courseFAB, diaryFAB;
 
 
     @Override
@@ -75,9 +77,9 @@ public class MainActivity extends AppCompatActivity {
 
         initSQL();
         initCalendar();
-//        initFAB();
-//        initCourseB();
-//        initDiaryB();
+        initFAB();
+        initCourseB();
+        initDiaryB();
 
         attr = new CalendarAttr();
         attr.setCalendarType(State.VIEW_MONTH);
@@ -101,31 +103,31 @@ public class MainActivity extends AppCompatActivity {
         MySQLiteDatabase.courseSQL = courseSQL;
     }
 
-//    private void initFAB() {
-//        scheduleFAB = findViewById(R.id.add_schedule);
-//        scheduleFAB.setOnClickListener(v -> {
-//            Toast.makeText(getApplicationContext(), viewAdapter.getSelectDay().toString(), Toast.LENGTH_SHORT).show();
-//            Intent intent = new Intent(MainActivity.this, AddScheduleActivity.class);
-//            intent.putExtra("date", viewAdapter.getSelectDay().toString());
-//            startActivityForResult(intent, 0);
-//        });
-//    }
-//
-//    private void initCourseB() {
-//        courseFAB = findViewById(R.id.course_entry);
-//        courseFAB.setOnClickListener(v -> {
-//            Intent intent = new Intent(MainActivity.this, CourseActivity.class);
-//            startActivity(intent);
-//        });
-//    }
-//
-//    private void initDiaryB() {
-//        diaryFAB = findViewById(R.id.diary_entry);
-//        diaryFAB.setOnClickListener(v -> {
-//            Intent intent = new Intent(MainActivity.this, DiaryActivity.class);
-//            startActivity(intent);
-//        });
-//    }
+    private void initFAB() {
+        scheduleFAB = findViewById(R.id.add_schedule);
+        scheduleFAB.setOnClickListener(v -> {
+            Toast.makeText(getApplicationContext(), viewAdapter.getSelectDay().toString(), Toast.LENGTH_SHORT).show();
+            Intent intent = new Intent(MainActivity.this, AddScheduleActivity.class);
+            intent.putExtra("date", viewAdapter.getSelectDay().toString());
+            startActivityForResult(intent, 0);
+        });
+    }
+
+    private void initCourseB() {
+        courseFAB = findViewById(R.id.course_entry);
+        courseFAB.setOnClickListener(v -> {
+            Intent intent = new Intent(MainActivity.this, CourseActivity.class);
+            startActivity(intent);
+        });
+    }
+
+    private void initDiaryB() {
+        diaryFAB = findViewById(R.id.diary_entry);
+        diaryFAB.setOnClickListener(v -> {
+            Intent intent = new Intent(MainActivity.this, DiaryActivity.class);
+            startActivity(intent);
+        });
+    }
 
 
     private void initCalendar() {
@@ -164,35 +166,37 @@ public class MainActivity extends AppCompatActivity {
         clickListener = new CalendarView.OnCalendarClickListener() {
             @Override
             public void OnClick(CalendarDay day) {
-//                updateSchedule(day);
+                updateSchedule(day);
             }
 
             @Override
             public void OnLongClick(CalendarDay day) {
-
+                Intent intent = new Intent(MainActivity.this, QuestionActivity.class);
+                intent.putExtra("date", viewAdapter.getSelectDay().toString());
+                startActivity(intent);
             }
         };
     }
 
-//    private void initSchedule() {
-//
-//        schedule = findViewById(R.id.list_item);
-//        List<String> mData = ScheduleSQLUtils.queryByDate(currentDay.toString());
-//
-//        RecyclerViewAdapter adapter = new RecyclerViewAdapter(mData);
-//        adapter.setOnItemClickListener((view, position) -> {
-//            Intent intent = new Intent(MainActivity.this, EditScheduleActivity.class);
-//            intent.putExtra("date", viewAdapter.getSelectDay().toString());
-//            String name = ((TextView) view.findViewById(R.id.schedule_title)).getText().toString();
-//            intent.putExtra("scheduleName", name);
-//            startActivityForResult(intent, 0);
-//        });
-//        schedule.setAdapter(adapter);
-//
-//        LinearLayoutManager layoutManager = new LinearLayoutManager(this);
-//        schedule.setLayoutManager(layoutManager);
-//        schedule.addItemDecoration(new SpaceItemDecoration(30));
-//    }
+    private void initSchedule() {
+
+        schedule = findViewById(R.id.list_item);
+        List<String> mData = ScheduleSQLUtils.queryByDate(currentDay.toString());
+
+        RecyclerViewAdapter adapter = new RecyclerViewAdapter(mData);
+        adapter.setOnItemClickListener((view, position) -> {
+            Intent intent = new Intent(MainActivity.this, EditScheduleActivity.class);
+            intent.putExtra("date", viewAdapter.getSelectDay().toString());
+            String name = ((TextView) view.findViewById(R.id.schedule_title)).getText().toString();
+            intent.putExtra("scheduleName", name);
+            startActivityForResult(intent, 0);
+        });
+        schedule.setAdapter(adapter);
+
+        LinearLayoutManager layoutManager = new LinearLayoutManager(this);
+        schedule.setLayoutManager(layoutManager);
+        schedule.addItemDecoration(new SpaceItemDecoration(30));
+    }
 
 
     @SuppressLint("SetTextI18n")
@@ -201,20 +205,21 @@ public class MainActivity extends AppCompatActivity {
         tvYear.setText(currentDay.getYear() + "");
     }
 
-//    private void updateSchedule(CalendarDay day) {
-//        ScheduleSQLUtils.queryByDate(day.toString());
-//        List<String> mData = ScheduleSQLUtils.queryByDate(day.toString());
-//        RecyclerViewAdapter adapter = (RecyclerViewAdapter) schedule.getAdapter();
-//        adapter.setmDatabase(mData);
-//        adapter.notifyDataSetChanged();
-//    }
-
-//    @Override
-//    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
-//        super.onActivityResult(requestCode, resultCode, data);
-//        if (requestCode == 0 && resultCode == Activity.RESULT_OK) {
-//            updateSchedule(viewAdapter.getSelectDay());
-//            viewAdapter.updateViewScheduleChange();
-//        }
-//    }
+    private void updateSchedule(CalendarDay day) {
+        ScheduleSQLUtils.queryByDate(day.toString());
+        List<String> mData = ScheduleSQLUtils.queryByDate(day.toString());
+        RecyclerViewAdapter adapter = (RecyclerViewAdapter) schedule.getAdapter();
+        adapter.setmDatabase(mData);
+        adapter.notifyDataSetChanged();
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (requestCode == 0 && resultCode == Activity.RESULT_OK) {
+            updateSchedule(viewAdapter.getSelectDay());
+            viewAdapter.updateViewScheduleChange();
+        }
+    }
+
 }
\ No newline at end of file
diff --git a/src/showme/app/src/main/java/com/diary/showme/diary/bean/QuestionBean.java b/src/showme/app/src/main/java/com/diary/showme/diary/bean/QuestionBean.java
new file mode 100644
index 0000000..eaa454a
--- /dev/null
+++ b/src/showme/app/src/main/java/com/diary/showme/diary/bean/QuestionBean.java
@@ -0,0 +1,37 @@
+package com.diary.showme.diary.bean;
+
+public class QuestionBean {
+    private String content;
+    private String tag;
+    private String category;
+
+    public QuestionBean(String content, String category, String tagz) {
+        this.content = content;
+        this.category = category;
+        this.tag = tagz;
+    }
+
+    public String getContent() {
+        return content;
+    }
+
+    public void setContent(String content) {
+        this.content = content;
+    }
+
+    public String getTag() {
+        return tag;
+    }
+
+    public void setTag(String tag) {
+        this.tag = tag;
+    }
+
+    public String getCategory() {
+        return category;
+    }
+
+    public void setCategory(String category) {
+        this.category = category;
+    }
+}
diff --git a/src/showme/app/src/main/java/com/diary/showme/diary/ui/QuestionActivity.java b/src/showme/app/src/main/java/com/diary/showme/diary/ui/QuestionActivity.java
new file mode 100644
index 0000000..d83774c
--- /dev/null
+++ b/src/showme/app/src/main/java/com/diary/showme/diary/ui/QuestionActivity.java
@@ -0,0 +1,108 @@
+package com.diary.showme.diary.ui;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Handler;
+import android.widget.Button;
+import android.widget.Toast;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.chanven.lib.cptr.PtrClassicFrameLayout;
+import com.chanven.lib.cptr.PtrDefaultHandler;
+import com.chanven.lib.cptr.PtrFrameLayout;
+import com.chanven.lib.cptr.recyclerview.RecyclerAdapterWithHF;
+import com.diary.showme.R;
+import com.diary.showme.diary.bean.QuestionBean;
+import com.idealist.calendarview.SpaceItemDecoration;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class QuestionActivity extends AppCompatActivity {
+
+    private Button back;
+
+    private RecyclerView question_view;
+
+    private QuestionAdapter questionAdapter;
+
+    private List<QuestionBean> mData = new ArrayList<>();
+
+    private RecyclerAdapterWithHF mQuestionAdapter;
+
+    private PtrClassicFrameLayout frameLayout;
+
+    private Handler handler;
+
+    private int page = 0;
+
+    private String date;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_question);
+        frameLayout = findViewById(R.id.question_frame);
+        handler = new Handler();
+        initBtn();
+        initView();
+    }
+
+    private void initBtn() {
+        back = findViewById(R.id.back_calendar);
+        back.setOnClickListener(v -> finish());
+    }
+
+
+    private void initView() {
+        Intent intent = getIntent();
+        date = intent.getStringExtra("date");
+
+        question_view = findViewById(R.id.question_list);
+        LinearLayoutManager layoutManager = new LinearLayoutManager(this);
+        question_view.setLayoutManager(layoutManager);
+        question_view.addItemDecoration(new SpaceItemDecoration(20));
+
+        mData.add(new QuestionBean("test", "curr", "test"));
+        mData.add(new QuestionBean("test", "curr", "test"));
+        mData.add(new QuestionBean("test", "curr", "test"));
+        mData.add(new QuestionBean("test", "curr", "test"));
+        mData.add(new QuestionBean("test", "curr", "test"));
+        mData.add(new QuestionBean("test", "curr", "test"));
+        mData.add(new QuestionBean("test", "curr", "test"));
+        mData.add(new QuestionBean("test", "curr", "test"));
+
+        questionAdapter = new QuestionAdapter(this, mData);
+        mQuestionAdapter = new RecyclerAdapterWithHF(questionAdapter);
+        question_view.setAdapter(mQuestionAdapter);
+
+        frameLayout.postDelayed(() -> frameLayout.autoRefresh(true), 150);
+
+        frameLayout.setPtrHandler(new PtrDefaultHandler() {
+            @Override
+            public void onRefreshBegin(PtrFrameLayout frame) {
+                handler.postDelayed(() -> {
+                    page = 0;
+                    mData.clear();
+                    for (int i=0; i<10; i++) {
+                        mData.add(new QuestionBean("test", "curr", "test"));
+                    }
+                    mQuestionAdapter.notifyDataSetChanged();
+                    frameLayout.refreshComplete();
+                    frameLayout.setLoadMoreEnable(true);
+                }, 1500);
+            }
+        });
+
+        frameLayout.setOnLoadMoreListener(() -> handler.postDelayed(() -> {
+            mData.add(new QuestionBean("test", "curr", "test"));
+            mQuestionAdapter.notifyDataSetChanged();
+            frameLayout.loadMoreComplete(true);
+            page++;
+            Toast.makeText(QuestionActivity.this, "loading more complete", Toast.LENGTH_SHORT).show();
+        }, 1000));
+    }
+}
diff --git a/src/showme/app/src/main/java/com/diary/showme/diary/ui/QuestionAdapter.java b/src/showme/app/src/main/java/com/diary/showme/diary/ui/QuestionAdapter.java
new file mode 100644
index 0000000..f7f31ba
--- /dev/null
+++ b/src/showme/app/src/main/java/com/diary/showme/diary/ui/QuestionAdapter.java
@@ -0,0 +1,54 @@
+package com.diary.showme.diary.ui;
+
+import android.content.Context;
+import android.content.Intent;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.diary.showme.R;
+import com.diary.showme.diary.bean.QuestionBean;
+
+import java.util.List;
+
+public class QuestionAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> implements View.OnClickListener {
+    private Context context;
+    private List<QuestionBean> items;
+
+    public QuestionAdapter(Context context, List<QuestionBean> items) {
+        super();
+        this.items = items;
+        this.context = context;
+    }
+
+
+    @NonNull
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(context).inflate(R.layout.question_item, parent, false);
+        return new QuestionViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
+        if (!(holder instanceof QuestionViewHolder))
+            return;
+        QuestionBean item = items.get(position);
+        ((QuestionViewHolder) holder).question_content.setText(item.getContent());
+        ((QuestionViewHolder) holder).question_content.setOnClickListener(this::onClick);
+    }
+
+    @Override
+    public int getItemCount() {
+        return items.size();
+    }
+
+    @Override
+    public void onClick(View v) {
+        Intent intent = new Intent(context, AddDiaryActivity.class);
+        context.startActivity(intent);
+    }
+}
\ No newline at end of file
diff --git a/src/showme/app/src/main/java/com/diary/showme/diary/ui/QuestionViewHolder.java b/src/showme/app/src/main/java/com/diary/showme/diary/ui/QuestionViewHolder.java
new file mode 100644
index 0000000..da07ae2
--- /dev/null
+++ b/src/showme/app/src/main/java/com/diary/showme/diary/ui/QuestionViewHolder.java
@@ -0,0 +1,18 @@
+package com.diary.showme.diary.ui;
+
+import android.view.View;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.diary.showme.R;
+
+public class QuestionViewHolder extends RecyclerView.ViewHolder{
+    public TextView question_content;
+
+    public QuestionViewHolder(@NonNull View itemView) {
+        super(itemView);
+        question_content = itemView.findViewById(R.id.question_content);
+    }
+}
\ No newline at end of file
diff --git a/src/showme/app/src/main/res/layout/activity_main.xml b/src/showme/app/src/main/res/layout/activity_main.xml
index 9e2901d..5706b6a 100644
--- a/src/showme/app/src/main/res/layout/activity_main.xml
+++ b/src/showme/app/src/main/res/layout/activity_main.xml
@@ -67,7 +67,66 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"/>
 
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/list_item"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            app:layout_behavior="com.idealist.calendarview.RecyclerViewBehavior"/>
+
+        <cc.trity.floatingactionbutton.FloatingActionsMenu
+            android:id="@+id/right_labels"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="bottom|end"
+            app:fab_expandDirection="up"
+            app:fab_colorNormal="#f0f01a"
+            app:fab_icon = "@drawable/ic_baseline_add_24"
+            app:fab_addButtonSize="mini"
+            >
+
+            <cc.trity.floatingactionbutton.FloatingActionButton
+                android:id="@+id/diary_entry"
+                android:layout_width="30dp"
+                android:layout_height="30dp"
+                android:background="@drawable/ic_baseline_add_24"
+                app:fab_size="normal"
+                app:fab_title="FAB 3"
+                app:fab_colorNormal="#09F7F7"
+                app:fab_icon="@drawable/diary"
+                />
+
+            <cc.trity.floatingactionbutton.FloatingActionButton
+                android:id="@+id/add_schedule"
+                android:layout_width="40dp"
+                android:layout_height="40dp"
+                android:layout_gravity="bottom|start"
+                app:fab_size="normal"
+                app:fab_title="FAB 0"
+                app:fab_colorNormal="#e41c1c"
+                app:fab_icon="@drawable/schedule"
+                />
+
+            <cc.trity.floatingactionbutton.FloatingActionButton
+                android:id="@+id/course_entry"
+                android:layout_width="50dp"
+                android:layout_height="50dp"
+                app:fab_colorNormal="#24d63c"
+                app:fab_size="normal"
+                app:fab_icon="@drawable/course"
+                />
 
+        </cc.trity.floatingactionbutton.FloatingActionsMenu>
+        <!--        <com.google.android.material.floatingactionbutton.FloatingActionButton-->
+        <!--            android:id="@+id/addSchedule"-->
+        <!--            android:layout_width="wrap_content"-->
+        <!--            android:layout_height="wrap_content"-->
+        <!--            android:layout_gravity="end|bottom"-->
+        <!--            android:layout_margin="30dp"-->
+        <!--            android:backgroundTint="#7575EF"-->
+        <!--            android:src="@drawable/ic_baseline_add_24"-->
+        <!--            android:contentDescription="@string/add"-->
+        <!--            app:fabSize="normal"-->
+        <!--            />-->
     </androidx.coordinatorlayout.widget.CoordinatorLayout>
 
 
diff --git a/src/showme/app/src/main/res/layout/activity_question.xml b/src/showme/app/src/main/res/layout/activity_question.xml
new file mode 100644
index 0000000..d5052ab
--- /dev/null
+++ b/src/showme/app/src/main/res/layout/activity_question.xml
@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".diary.ui.QuestionActivity"
+    android:orientation="vertical">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:background="@color/teal_200">
+
+        <Button
+            android:id="@+id/back_calendar"
+            android:layout_width="30dp"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            android:background="@drawable/ic_arrow_back_black_24dp"
+            />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:layout_weight="28"
+            android:textSize="28sp"
+            android:text="问题"
+            android:textColor="@color/black"
+            android:gravity="center"/>
+
+    </LinearLayout>
+
+    <com.chanven.lib.cptr.PtrClassicFrameLayout
+        android:id="@+id/question_frame"
+        xmlns:cube_ptr="http://schemas.android.com/apk/res-auto"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="#f0f0f0"
+        cube_ptr:ptr_resistance="1.7"
+        cube_ptr:ptr_ratio_of_header_height_to_refresh="1.2"
+        cube_ptr:ptr_duration_to_close="200"
+        cube_ptr:ptr_duration_to_close_header="1000"
+        cube_ptr:ptr_keep_header_when_refresh="true"
+        cube_ptr:ptr_pull_to_fresh="false">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/question_list"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"/>
+
+    </com.chanven.lib.cptr.PtrClassicFrameLayout>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/src/showme/app/src/main/res/layout/question_item.xml b/src/showme/app/src/main/res/layout/question_item.xml
new file mode 100644
index 0000000..1d58e4f
--- /dev/null
+++ b/src/showme/app/src/main/res/layout/question_item.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="horizontal">
+
+        <TextView
+            android:id="@+id/question_content"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center"
+            android:textSize="24sp"/>
+
+    </LinearLayout>
+
+</FrameLayout>
\ No newline at end of file
diff --git a/src/showme/app/src/main/res/values/themes.xml b/src/showme/app/src/main/res/values/themes.xml
index 338d73d..a55d9d0 100644
--- a/src/showme/app/src/main/res/values/themes.xml
+++ b/src/showme/app/src/main/res/values/themes.xml
@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.Showme" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.Showme" parent="Theme.AppCompat.DayNight.NoActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/purple_500</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>
diff --git a/src/showme/gradle.properties b/src/showme/gradle.properties
index 6826e61..b7427f8 100644
--- a/src/showme/gradle.properties
+++ b/src/showme/gradle.properties
@@ -14,4 +14,6 @@ org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
 # AndroidX package structure to make it clearer which packages are bundled with the
 # Android operating system, and which are packaged with your app"s APK
 # https://developer.android.com/topic/libraries/support-library/androidx-rn
-android.useAndroidX=true
\ No newline at end of file
+android.useAndroidX=true
+
+android.enableJetifier=true
\ No newline at end of file