diff --git a/MiNote/app/build.gradle.kts b/MiNote/app/build.gradle.kts
index 0c131fd..db14589 100644
--- a/MiNote/app/build.gradle.kts
+++ b/MiNote/app/build.gradle.kts
@@ -54,7 +54,8 @@ dependencies {
     //noinspection GradlePath
     implementation(files("E:\\AndroidProjects\\MiNote_Rewrite\\MiNote\\httpcomponents-client-4.5.14-bin\\lib\\httpclient-osgi-4.5.14.jar"))
     implementation(files("E:\\AndroidProjects\\MiNote_Rewrite\\MiNote\\httpcomponents-client-4.5.14-bin\\lib\\httpclient-win-4.5.14.jar"))
-    implementation(files("E:\\AndroidProjects\\MiNote_Rewrite\\MiNote\\httpcomponents-client-4.5.14-bin\\lib\\httpcore-4.4.16.jar"))
+    implementation(files("E:/AndroidProjects/MiNote_Rewrite/MiNote/httpcomponents-client-4.5.14-bin/lib/httpcore-4.4.16.jar"))
+    implementation("jp.wasabeef:richeditor-android:2.0.0")
 //    implementation(fileTree(mapOf(
 //        "dir" to "E:\\AndroidProjects\\MiNote_Rewrite\\MiNote\\httpcomponents-client-4.5.14-bin\\lib",
 //        "include" to listOf("*.aar", "*.jar"),
diff --git a/MiNote/app/src/main/AndroidManifest.xml b/MiNote/app/src/main/AndroidManifest.xml
index 0407c61..1c01460 100644
--- a/MiNote/app/src/main/AndroidManifest.xml
+++ b/MiNote/app/src/main/AndroidManifest.xml
@@ -23,46 +23,52 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.MiNote"
         tools:targetApi="31">
+        <activity
+            android:name=".ui.LoginActivity"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.AppCompat"
+            android:exported="true">
+        <intent-filter>
+            <action android:name="android.intent.action.MAIN" />
 
+            <category android:name="android.intent.category.LAUNCHER" />
+        </intent-filter>
+        </activity>
         <activity
             android:name=".ui.NotesListActivity"
             android:configChanges="keyboardHidden|orientation|screenSize"
+            android:exported="true"
             android:label="@string/app_name"
             android:launchMode="singleTop"
             android:theme="@style/Theme.AppCompat.Light.DarkActionBar"
             android:uiOptions="splitActionBarWhenNarrow"
-            android:windowSoftInputMode="adjustPan"
-            android:exported="true">
-
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
+            android:windowSoftInputMode="adjustPan">
         </activity>
-
         <activity
             android:name=".ui.NoteEditActivity"
             android:configChanges="keyboardHidden|orientation|screenSize"
+            android:exported="true"
             android:launchMode="singleTop"
-            android:theme="@style/Theme.AppCompat.Light.DarkActionBar"
-            android:exported="true">
-
+            android:theme="@style/Theme.AppCompat.Light.DarkActionBar">
             <intent-filter tools:ignore="AppLinkUrlError">
                 <action android:name="android.intent.action.VIEW" />
+
                 <category android:name="android.intent.category.DEFAULT" />
+
                 <data android:mimeType="vnd.android.cursor.item/text_note" />
                 <data android:mimeType="vnd.android.cursor.item/call_note" />
             </intent-filter>
-
             <intent-filter>
                 <action android:name="android.intent.action.INSERT_OR_EDIT" />
+
                 <category android:name="android.intent.category.DEFAULT" />
+
                 <data android:mimeType="vnd.android.cursor.item/text_note" />
                 <data android:mimeType="vnd.android.cursor.item/call_note" />
             </intent-filter>
-
             <intent-filter>
                 <action android:name="android.intent.action.SEARCH" />
+
                 <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
 
@@ -71,16 +77,15 @@
                 android:resource="@xml/searchable" />
         </activity>
 
-
         <provider
-            android:name="net.micode.notes.data.NotesProvider"
+            android:name=".data.NotesProvider"
             android:authorities="micode_notes"
             android:multiprocess="true" />
 
         <receiver
             android:name=".widget.NoteWidgetProvider_2x"
-            android:label="@string/app_widget2x2"
-            android:exported="true">
+            android:exported="true"
+            android:label="@string/app_widget2x2">
             <intent-filter>
                 <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
                 <action android:name="android.appwidget.action.APPWIDGET_DELETED" />
@@ -93,9 +98,8 @@
         </receiver>
         <receiver
             android:name=".widget.NoteWidgetProvider_4x"
-            android:label="@string/app_widget4x4"
-            android:exported="true">
-
+            android:exported="true"
+            android:label="@string/app_widget4x4">
             <intent-filter>
                 <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
                 <action android:name="android.appwidget.action.APPWIDGET_DELETED" />
@@ -106,52 +110,35 @@
                 android:name="android.appwidget.provider"
                 android:resource="@xml/widget_4x_info" />
         </receiver>
-
-        <receiver android:name=".ui.AlarmInitReceiver"
+        <receiver
+            android:name=".ui.AlarmInitReceiver"
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.BOOT_COMPLETED" />
             </intent-filter>
         </receiver>
-
         <receiver
-            android:name="net.micode.notes.ui.AlarmReceiver"
-            android:process=":remote" >
-        </receiver>
+            android:name=".ui.AlarmReceiver"
+            android:process=":remote" />
 
         <activity
             android:name=".ui.AlarmAlertActivity"
             android:label="@string/app_name"
             android:launchMode="singleInstance"
-            android:theme="@android:style/Theme.Holo.Wallpaper.NoTitleBar" >
-        </activity>
-
+            android:theme="@android:style/Theme.Holo.Wallpaper.NoTitleBar" />
         <activity
-            android:name="net.micode.notes.ui.NotesPreferenceActivity"
+            android:name=".ui.NotesPreferenceActivity"
             android:label="@string/preferences_title"
             android:launchMode="singleTop"
-            android:theme="@android:style/Theme.Holo.Light" >
-        </activity>
+            android:theme="@android:style/Theme.Holo.Light" />
 
         <service
-            android:name="net.micode.notes.gtask.remote.GTaskSyncService"
-            android:exported="false" >
-        </service>
+            android:name=".gtask.remote.GTaskSyncService"
+            android:exported="false" />
 
         <meta-data
             android:name="android.app.default_searchable"
             android:value=".ui.NoteEditActivity" />
-
-        <!--        <activity-->
-        <!--            android:name=".MainActivity"-->
-        <!--            android:exported="true">-->
-        <!--            <intent-filter>-->
-        <!--                <action android:name="android.intent.action.MAIN" />-->
-
-        <!--                <category android:name="android.intent.category.LAUNCHER" />-->
-        <!--            </intent-filter>-->
-        <!--        </activity>-->
-
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/MiNote/app/src/main/java/net/micode/notes/ui/LoginActivity.java b/MiNote/app/src/main/java/net/micode/notes/ui/LoginActivity.java
new file mode 100644
index 0000000..217045b
--- /dev/null
+++ b/MiNote/app/src/main/java/net/micode/notes/ui/LoginActivity.java
@@ -0,0 +1,72 @@
+package net.micode.notes.ui;
+
+import android.app.Activity;
+import android.app.ProgressDialog;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import androidx.activity.EdgeToEdge;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.graphics.Insets;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
+
+import net.micode.notes.R;
+
+public class LoginActivity extends Activity {
+    private EditText accountEdict;
+    private EditText passwordEdict;
+    private Button login;
+    private Button cancel;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+//        EdgeToEdge.enable(this);
+        setContentView(R.layout.activity_login);
+        accountEdict = (EditText) findViewById(R.id.account);
+        accountEdict.setSingleLine();
+        passwordEdict = (EditText) findViewById(R.id.password);
+        passwordEdict.setSingleLine();
+        login = (Button) findViewById(R.id.login);
+        cancel = (Button) findViewById(R.id.cancel);
+        cancel.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Toast.makeText(LoginActivity.this,R.string.app_already_quit,Toast.LENGTH_LONG).show();
+                finish();
+            }
+        });
+        login.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                String account = accountEdict.getText().toString();
+                String password = passwordEdict.getText().toString();
+
+
+                if(account.equals("czx") && password.equals("123456")){
+                    AlertDialog.Builder builder = new AlertDialog.Builder(LoginActivity.this);
+                    builder.setMessage(getString(R.string.Loading));
+                    builder.setCancelable(true);
+                    AlertDialog progressDialog = builder.create();
+                    progressDialog.show();
+
+                    Intent intent = new Intent(LoginActivity.this,NotesListActivity.class);
+                    startActivity(intent);
+                    finish();
+                }else {
+                    Toast.makeText(LoginActivity.this, R.string.invalid,Toast.LENGTH_SHORT).show();
+                }
+            }
+        });
+//        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
+//            Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
+//            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
+//            return insets;
+//        });
+    }
+}
\ No newline at end of file
diff --git a/MiNote/app/src/main/res/drawable-hdpi/saying.jpg b/MiNote/app/src/main/res/drawable-hdpi/saying.jpg
deleted file mode 100644
index 1ec26af..0000000
Binary files a/MiNote/app/src/main/res/drawable-hdpi/saying.jpg and /dev/null differ
diff --git a/MiNote/app/src/main/res/layout/activity_login.xml b/MiNote/app/src/main/res/layout/activity_login.xml
new file mode 100644
index 0000000..cdd335a
--- /dev/null
+++ b/MiNote/app/src/main/res/layout/activity_login.xml
@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.LoginActivity"
+    android:orientation="vertical">
+
+    <LinearLayout
+        android:orientation="horizontal"
+        android:layout_width="match_parent"
+        android:layout_height="60dp"
+        android:layout_gravity="center">
+        <TextView
+            android:layout_width="90dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:textSize="18sp"
+            android:text="@string/prompt_account" />
+
+        <EditText
+            android:id="@+id/account"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:layout_gravity="center_vertical"
+            android:maxLines="1" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:orientation="horizontal"
+        android:layout_width="match_parent"
+        android:layout_height="60dp"
+        android:layout_gravity="center">
+        <TextView
+            android:layout_width="90dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:textSize="18sp"
+            android:text="@string/prompt_password" />
+
+        <EditText
+            android:id="@+id/password"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:layout_gravity="center_vertical"
+            android:maxLines="1"/>
+    </LinearLayout>
+
+    <LinearLayout
+        android:orientation="horizontal"
+        android:layout_width="match_parent"
+        android:layout_height="60dp"
+        android:layout_gravity="center">
+
+        <Button
+            android:id="@+id/login"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/prompt_login"/>
+
+        <Button
+            android:id="@+id/cancel"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/cancel"/>
+    </LinearLayout>
+</LinearLayout>
\ No newline at end of file
diff --git a/MiNote/app/src/main/res/layout/note_edit.xml b/MiNote/app/src/main/res/layout/note_edit.xml
index 10b2aa7..af1c97b 100644
--- a/MiNote/app/src/main/res/layout/note_edit.xml
+++ b/MiNote/app/src/main/res/layout/note_edit.xml
@@ -113,7 +113,9 @@
                 android:layout_width="fill_parent"
                 android:layout_height="7dip"
                 android:background="@drawable/bg_color_btn_mask" />
+
         </LinearLayout>
+
     </LinearLayout>
 
     <ImageView
diff --git a/MiNote/app/src/main/res/values/strings.xml b/MiNote/app/src/main/res/values/strings.xml
index 55b1d4c..9db5d31 100644
--- a/MiNote/app/src/main/res/values/strings.xml
+++ b/MiNote/app/src/main/res/values/strings.xml
@@ -15,8 +15,7 @@
      limitations under the License.
 -->
 
-<resources xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+<resources xmlns:android="http://schemas.android.com/apk/res/android" xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name">Notes</string>
     <string name="app_widget2x2">Notes 2x2</string>
     <string name="app_widget4x4">Notes 4x4</string>
@@ -35,6 +34,10 @@
     <string name="note_link_email">Send email</string>
     <string name="note_link_web">Browse web</string>
     <string name="note_link_other">Open map</string>
+    <string name="prompt_account">UserName</string>
+    <string name="prompt_password">Password</string>
+    <string name="prompt_login">Login</string>
+    <string name="cancel">Cancel</string>
     <!-- Text export file information -->
     <string name="file_path">/MIUI/notes/</string>
     <string name="file_name_txt_format">notes_%s.txt</string>
@@ -131,10 +134,13 @@
     <string name="search">Notes</string>
     <string name="datetime_dialog_ok">set</string>
     <string name="datetime_dialog_cancel">cancel</string>
+    <string name="app_already_quit">App already quit</string>
+    <string name="Loading">Loading</string>
+    <string name="invalid">Invalid</string>
     <plurals name="search_results_title">
-         <item quantity="one"><xliff:g id="number" example="1">%1$s</xliff:g> result for \"<xliff:g id="search" example="???">%2$s</xliff:g>\"</item>
+        <item quantity="one"><xliff:g example="1" id="number">%1$s</xliff:g> result for \"<xliff:g example="???" id="search">%2$s</xliff:g>\"</item>
         <!-- Case of 0 or 2 or more results. -->
-        <item quantity="other"><xliff:g id="number" example="15">%1$s</xliff:g> results for \"<xliff:g id="search" example="???">%2$s</xliff:g>\"</item>
+        <item quantity="other"><xliff:g example="15" id="number">%1$s</xliff:g> results for \"<xliff:g example="???" id="search">%2$s</xliff:g>\"</item>
     </plurals>
 
 </resources>