diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 31e79b1..7b92de0 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -15,7 +15,7 @@
         <activity
             android:name=".MainActivity"
             android:exported="true"
-            android:theme="@style/Theme.OxFaceLogin">
+            android:theme="@style/Theme.OxFaceLogin.Splash">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
diff --git a/app/src/main/java/com/ouxuan/oxface/MainActivity.java b/app/src/main/java/com/ouxuan/oxface/MainActivity.java
index 3dec854..c07f169 100644
--- a/app/src/main/java/com/ouxuan/oxface/MainActivity.java
+++ b/app/src/main/java/com/ouxuan/oxface/MainActivity.java
@@ -3,21 +3,27 @@ package com.ouxuan.oxface;
 import androidx.appcompat.app.AppCompatActivity;
 import android.animation.ObjectAnimator;
 import android.os.Bundle;
+import android.text.InputType;
 import android.view.MotionEvent;
 import android.view.View;
-import android.widget.Button;
 import android.widget.EditText;
+import android.widget.ImageView;
 import android.widget.Toast;
 
 public class MainActivity extends AppCompatActivity {
 
     private EditText editTextUsername;
     private EditText editTextPassword;
-    private Button buttonLogin;
+    private View buttonLogin;
+    private ImageView imageViewPasswordToggle;
     private Toast currentToast; // 用于管理Toast显示状态
+    private boolean isPasswordVisible = false; // 密码显示状态
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
+        // 在setContentView之前切换到正常主题，解决白屏问题
+        setTheme(R.style.Theme_OxFaceLogin);
+        
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
@@ -34,12 +40,16 @@ public class MainActivity extends AppCompatActivity {
         
         // 设置按钮触摸动画
         setupButtonAnimation();
+        
+        // 设置密码显示/隐藏切换
+        setupPasswordToggle();
     }
 
     private void initViews() {
         editTextUsername = findViewById(R.id.editTextUsername);
         editTextPassword = findViewById(R.id.editTextPassword);
         buttonLogin = findViewById(R.id.buttonLogin);
+        imageViewPasswordToggle = findViewById(R.id.imageViewPasswordToggle);
     }
 
     private void setupLoginButton() {
@@ -88,7 +98,7 @@ public class MainActivity extends AppCompatActivity {
 
     private boolean validateInput(String username, String password) {
         if (username.isEmpty()) {
-            showToast("请输入用户名");
+            showToast("请输入登录账号");
             editTextUsername.requestFocus();
             return false;
         }
@@ -132,4 +142,36 @@ public class MainActivity extends AppCompatActivity {
         currentToast = Toast.makeText(this, message, Toast.LENGTH_SHORT);
         currentToast.show();
     }
+    
+    /**
+     * 设置密码显示/隐藏切换功能
+     */
+    private void setupPasswordToggle() {
+        imageViewPasswordToggle.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                togglePasswordVisibility();
+            }
+        });
+    }
+    
+    /**
+     * 切换密码的显示/隐藏状态
+     */
+    private void togglePasswordVisibility() {
+        if (isPasswordVisible) {
+            // 当前是显示状态，切换为隐藏
+            editTextPassword.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
+            imageViewPasswordToggle.setImageResource(R.drawable.ic_eye_closed);
+            isPasswordVisible = false;
+        } else {
+            // 当前是隐藏状态，切换为显示
+            editTextPassword.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
+            imageViewPasswordToggle.setImageResource(R.drawable.ic_eye_open);
+            isPasswordVisible = true;
+        }
+        
+        // 保持光标在文本末尾
+        editTextPassword.setSelection(editTextPassword.getText().length());
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/res/drawable/gradient_button_selector.xml b/app/src/main/res/drawable/gradient_button_selector.xml
index 88cede7..02b5de1 100644
--- a/app/src/main/res/drawable/gradient_button_selector.xml
+++ b/app/src/main/res/drawable/gradient_button_selector.xml
@@ -2,12 +2,12 @@
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <!-- 按下状态 -->
     <item android:state_pressed="true">
-        <shape>
+        <shape android:shape="rectangle">
             <gradient
-                android:startColor="#E6A644"
-                android:centerColor="#E68A00"
-                android:endColor="#D17100"
-                android:angle="45"
+                android:startColor="#E8C48A"
+                android:centerColor="#E09C35"
+                android:endColor="#CC8A2E"
+                android:angle="270"
                 android:type="linear" />
             <corners android:radius="25dp" />
         </shape>
@@ -15,12 +15,12 @@
     
     <!-- 正常状态 -->
     <item>
-        <shape>
+        <shape android:shape="rectangle">
             <gradient
-                android:startColor="#FFB74D"
-                android:centerColor="#FF9800"
-                android:endColor="#F57C00"
-                android:angle="45"
+                android:startColor="#FCDA9E"
+                android:centerColor="#F9C56B"
+                android:endColor="#F7B23E"
+                android:angle="270"
                 android:type="linear" />
             <corners android:radius="25dp" />
         </shape>
diff --git a/app/src/main/res/drawable/ic_eye_closed.xml b/app/src/main/res/drawable/ic_eye_closed.xml
new file mode 100644
index 0000000..1fe96fb
--- /dev/null
+++ b/app/src/main/res/drawable/ic_eye_closed.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@color/secondary_text_color"
+        android:pathData="M12,7c2.76,0 5,2.24 5,5 0,0.65 -0.13,1.26 -0.36,1.83l2.92,2.92c1.51,-1.26 2.7,-2.89 3.43,-4.75 -1.73,-4.39 -6,-7.5 -11,-7.5 -1.4,0 -2.74,0.25 -3.98,0.7l2.16,2.16C10.74,7.13 11.35,7 12,7zM2,4.27l2.28,2.28 0.46,0.46C3.08,8.3 1.78,10.02 1,12c1.73,4.39 6,7.5 11,7.5 1.55,0 3.03,-0.3 4.38,-0.84l0.42,0.42L19.73,22 21,20.73 3.27,3 2,4.27zM7.53,9.8l1.55,1.55c-0.05,0.21 -0.08,0.43 -0.08,0.65 0,1.66 1.34,3 3,3 0.22,0 0.44,-0.03 0.65,-0.08l1.55,1.55c-0.67,0.33 -1.41,0.53 -2.2,0.53 -2.76,0 -5,-2.24 -5,-5 0,-0.79 0.2,-1.53 0.53,-2.2zM11.84,9.02l3.15,3.15 0.02,-0.16c0,-1.66 -1.34,-3 -3,-3l-0.17,0.01z"/>
+</vector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_eye_open.xml b/app/src/main/res/drawable/ic_eye_open.xml
new file mode 100644
index 0000000..b4bfd06
--- /dev/null
+++ b/app/src/main/res/drawable/ic_eye_open.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@color/secondary_text_color"
+        android:pathData="M12,4.5C7,4.5 2.73,7.61 1,12c1.73,4.39 6,7.5 11,7.5s9.27,-3.11 11,-7.5c-1.73,-4.39 -6,-7.5 -11,-7.5zM12,17c-2.76,0 -5,-2.24 -5,-5s2.24,-5 5,-5 5,2.24 5,5 -2.24,5 -5,5zM12,9c-1.66,0 -3,1.34 -3,3s1.34,3 3,3 3,-1.34 3,-3 -1.34,-3 -3,-3z"/>
+</vector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/splash_background.xml b/app/src/main/res/drawable/splash_background.xml
new file mode 100644
index 0000000..4b97f72
--- /dev/null
+++ b/app/src/main/res/drawable/splash_background.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- 渐变背景 -->
+    <item>
+        <shape>
+            <gradient
+                android:startColor="#E8F5E8"
+                android:centerColor="#F0F9F0"
+                android:endColor="#FAFEFB"
+                android:angle="135"
+                android:type="linear" />
+        </shape>
+    </item>
+    
+    <!-- 可选：添加Logo居中显示 -->
+    <item android:gravity="center">
+        <bitmap android:src="@mipmap/ic_launcher" 
+                android:gravity="center" />
+    </item>
+</layer-list>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 4cb7931..97e2465 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,218 +1,242 @@
 <?xml version="1.0" encoding="utf-8"?>
-<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout 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:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="@drawable/gradient_background"
-    android:fillViewport="true">
-
-<androidx.constraintlayout.widget.ConstraintLayout
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:minHeight="@dimen/min_screen_height"
     android:paddingStart="32dp"
     android:paddingEnd="32dp"
     tools:context=".MainActivity">
 
-    <!-- Logo容器 -->
-    <androidx.cardview.widget.CardView
-        android:id="@+id/logoContainer"
-        android:layout_width="120dp"
-        android:layout_height="120dp"
-        android:layout_marginTop="80dp"
-        app:cardCornerRadius="60dp"
-        app:cardElevation="12dp"
-        app:cardBackgroundColor="@color/white"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent">
-
-        <ImageView
-            android:id="@+id/imageViewLogo"
-            android:layout_width="60dp"
-            android:layout_height="60dp"
-            android:layout_gravity="center"
-            android:src="@drawable/ic_login_logo"
-            android:contentDescription="@string/app_logo" />
-
-    </androidx.cardview.widget.CardView>
-
-    <!-- 用户名输入框 -->
-    <androidx.cardview.widget.CardView
-        android:id="@+id/usernameCard"
+    <!-- 登录内容容器 - 垂直居中 -->
+    <LinearLayout
+        android:id="@+id/loginContentContainer"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_marginTop="80dp"
-        app:cardCornerRadius="25dp"
-        app:cardElevation="4dp"
-        app:cardBackgroundColor="@color/white"
-        app:layout_constraintEnd_toEndOf="parent"
+        android:orientation="vertical"
+        android:gravity="center_horizontal"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toTopOf="@+id/bottomInfoLayout"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/logoContainer">
-
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="50dp"
-            android:orientation="horizontal"
-            android:gravity="center_vertical"
-            android:paddingStart="16dp"
-            android:paddingEnd="16dp">
+        app:layout_constraintEnd_toEndOf="parent">
+
+        <!-- Logo容器 -->
+        <androidx.cardview.widget.CardView
+            android:id="@+id/logoContainer"
+            android:layout_width="80dp"
+            android:layout_height="80dp"
+            android:layout_marginBottom="40dp"
+            app:cardCornerRadius="40dp"
+            app:cardElevation="8dp"
+            app:cardBackgroundColor="@color/white">
 
             <ImageView
-                android:layout_width="24dp"
-                android:layout_height="24dp"
-                android:src="@drawable/ic_person"
-                android:layout_marginEnd="12dp"
-                android:contentDescription="用户图标" />
-
-            <EditText
-                android:id="@+id/editTextUsername"
-                android:layout_width="0dp"
-                android:layout_height="match_parent"
-                android:layout_weight="1"
-                android:hint="@string/hint_username"
-                android:inputType="text"
-                android:maxLines="1"
-                android:background="@android:color/transparent"
-                android:textColor="@color/primary_text_color"
-                android:textColorHint="@color/secondary_text_color"
-                android:textSize="16sp" />
-
-        </LinearLayout>
-
-    </androidx.cardview.widget.CardView>
-
-    <!-- 密码输入框 -->
-    <androidx.cardview.widget.CardView
-        android:id="@+id/passwordCard"
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="16dp"
-        app:cardCornerRadius="25dp"
-        app:cardElevation="4dp"
-        app:cardBackgroundColor="@color/white"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/usernameCard">
-
-        <LinearLayout
+                android:id="@+id/imageViewLogo"
+                android:layout_width="40dp"
+                android:layout_height="40dp"
+                android:layout_gravity="center"
+                android:src="@drawable/ic_login_logo"
+                android:contentDescription="@string/app_logo" />
+
+        </androidx.cardview.widget.CardView>
+
+        <!-- 用户名输入框 -->
+        <androidx.cardview.widget.CardView
+            android:id="@+id/usernameCard"
             android:layout_width="match_parent"
-            android:layout_height="50dp"
-            android:orientation="horizontal"
-            android:gravity="center_vertical"
-            android:paddingStart="16dp"
-            android:paddingEnd="16dp">
-
-            <ImageView
-                android:layout_width="24dp"
-                android:layout_height="24dp"
-                android:src="@drawable/ic_lock"
-                android:layout_marginEnd="12dp"
-                android:contentDescription="密码图标" />
-
-            <EditText
-                android:id="@+id/editTextPassword"
-                android:layout_width="0dp"
-                android:layout_height="match_parent"
-                android:layout_weight="1"
-                android:hint="@string/hint_password"
-                android:inputType="textPassword"
-                android:maxLines="1"
-                android:background="@android:color/transparent"
-                android:textColor="@color/primary_text_color"
-                android:textColorHint="@color/secondary_text_color"
-                android:textSize="16sp" />
-
-        </LinearLayout>
-
-    </androidx.cardview.widget.CardView>
-
-    <!-- 提示文字 -->
-    <TextView
-        android:id="@+id/textViewHint"
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="16dp"
-        android:text="登录账号密码请从PC端后台管理【设备运营管理平台管理】里获取"
-        android:textColor="@color/white"
-        android:textSize="12sp"
-        android:gravity="center"
-        android:alpha="0.8"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/passwordCard" />
-
-    <!-- 登录按钮 -->
-    <androidx.cardview.widget.CardView
-        android:id="@+id/loginButtonCard"
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="60dp"
-        app:cardCornerRadius="25dp"
-        app:cardElevation="0dp"
-        app:cardBackgroundColor="@android:color/transparent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/textViewHint">
-
-        <Button
-            android:id="@+id/buttonLogin"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="16dp"
+            app:cardCornerRadius="25dp"
+            app:cardElevation="4dp"
+            app:cardBackgroundColor="@color/white">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="50dp"
+                android:orientation="horizontal"
+                android:gravity="center_vertical"
+                android:paddingStart="16dp"
+                android:paddingEnd="16dp">
+
+                <ImageView
+                    android:layout_width="24dp"
+                    android:layout_height="24dp"
+                    android:src="@drawable/ic_person"
+                    android:layout_marginEnd="12dp"
+                    android:contentDescription="用户图标" />
+
+                <EditText
+                    android:id="@+id/editTextUsername"
+                    android:layout_width="0dp"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1"
+                    android:hint="@string/hint_username"
+                    android:inputType="text"
+                    android:maxLines="1"
+                    android:background="@android:color/transparent"
+                    android:textColor="@color/primary_text_color"
+                    android:textColorHint="@color/secondary_text_color"
+                    android:textSize="16sp" />
+
+            </LinearLayout>
+
+        </androidx.cardview.widget.CardView>
+
+        <!-- 密码输入框 -->
+        <androidx.cardview.widget.CardView
+            android:id="@+id/passwordCard"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="12dp"
+            app:cardCornerRadius="25dp"
+            app:cardElevation="4dp"
+            app:cardBackgroundColor="@color/white">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="50dp"
+                android:orientation="horizontal"
+                android:gravity="center_vertical"
+                android:paddingStart="16dp"
+                android:paddingEnd="16dp">
+
+                <ImageView
+                    android:layout_width="24dp"
+                    android:layout_height="24dp"
+                    android:src="@drawable/ic_lock"
+                    android:layout_marginEnd="12dp"
+                    android:contentDescription="密码图标" />
+
+                <EditText
+                    android:id="@+id/editTextPassword"
+                    android:layout_width="0dp"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1"
+                    android:hint="@string/hint_password"
+                    android:inputType="textPassword"
+                    android:maxLines="1"
+                    android:background="@android:color/transparent"
+                    android:textColor="@color/primary_text_color"
+                    android:textColorHint="@color/secondary_text_color"
+                    android:textSize="16sp" />
+
+                <ImageView
+                    android:id="@+id/imageViewPasswordToggle"
+                    android:layout_width="24dp"
+                    android:layout_height="24dp"
+                    android:src="@drawable/ic_eye_closed"
+                    android:layout_marginStart="8dp"
+                    android:clickable="true"
+                    android:focusable="true"
+                    android:background="?android:attr/selectableItemBackgroundBorderless"
+                    android:padding="4dp"
+                    android:contentDescription="密码显示切换" />
+
+            </LinearLayout>
+
+        </androidx.cardview.widget.CardView>
+
+        <!-- 提示文字 -->
+        <TextView
+            android:id="@+id/textViewHint"
             android:layout_width="match_parent"
-            android:layout_height="50dp"
-            android:text="@string/login_button"
-            android:textSize="18sp"
-            android:textStyle="bold"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="32dp"
+            android:text="登录账号密码请从PC端后台管理【设备运营管理平台管理】里获取"
             android:textColor="@color/white"
-            android:background="@drawable/gradient_button_selector"
-            android:elevation="0dp"
-            android:stateListAnimator="@null" />
+            android:textSize="11sp"
+            android:gravity="center"
+            android:alpha="0.8" />
 
-    </androidx.cardview.widget.CardView>
+        <!-- 登录按钮 -->
+        <androidx.cardview.widget.CardView
+            android:id="@+id/loginButtonCard"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:cardCornerRadius="25dp"
+            app:cardElevation="0dp"
+            app:cardBackgroundColor="@android:color/transparent">
+
+            <TextView
+                android:id="@+id/buttonLogin"
+                android:layout_width="match_parent"
+                android:layout_height="50dp"
+                android:text="@string/login_button"
+                android:textSize="18sp"
+                android:textStyle="bold"
+                android:textColor="@color/white"
+                android:background="@drawable/gradient_button_selector"
+                android:gravity="center"
+                android:clickable="true"
+                android:focusable="true"
+                android:elevation="0dp" />
+
+        </androidx.cardview.widget.CardView>
 
-    <!-- 版本信息 -->
+    </LinearLayout>
+
+    <!-- 底部信息区域 -->
     <LinearLayout
+        android:id="@+id/bottomInfoLayout"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_marginBottom="20dp"
-        android:orientation="horizontal"
+        android:layout_marginBottom="12dp"
+        android:orientation="vertical"
+        android:gravity="center"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent">
 
+        <!-- 设备ID -->
         <TextView
-            android:layout_width="0dp"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="重启设备"
+            android:text="设备ID: c9cb00145a2ac56f"
             android:textColor="@color/white"
-            android:textSize="12sp"
-            android:alpha="0.7" />
+            android:textSize="10sp"
+            android:alpha="1.0"
+            android:layout_marginBottom="4dp" />
 
-        <TextView
+        <!-- 版本和重启 -->
+        <LinearLayout
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:text="Version 1.8.3.9"
-            android:textColor="@color/white"
-            android:textSize="12sp"
-            android:alpha="0.7" />
+            android:orientation="horizontal"
+            android:gravity="center">
+
+            <TextView
+                android:id="@+id/textRestart"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="重启设备"
+                android:textColor="@color/white"
+                android:textSize="10sp"
+                android:alpha="1.0"
+                android:clickable="true"
+                android:focusable="true"
+                android:background="?android:attr/selectableItemBackgroundBorderless"
+                android:padding="8dp" />
+
+            <View
+                android:layout_width="1dp"
+                android:layout_height="12dp"
+                android:layout_marginStart="8dp"
+                android:layout_marginEnd="8dp"
+                android:background="@color/white"
+                android:alpha="0.3" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Version 1.8.3.9"
+                android:textColor="@color/white"
+                android:textSize="10sp"
+                android:alpha="1.0" />
 
-    </LinearLayout>
+        </LinearLayout>
 
-    <TextView
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_marginBottom="4dp"
-        android:text="本机设备ID：c9cb00145a2ac56f"
-        android:textColor="@color/white"
-        android:textSize="12sp"
-        android:alpha="0.7"
-        android:gravity="end"
-        app:layout_constraintBottom_toTopOf="@+id/linearLayout"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        android:id="@+id/linearLayout" />
+    </LinearLayout>
 
-</androidx.constraintlayout.widget.ConstraintLayout>
 
-</ScrollView>
\ No newline at end of file
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index f66e95e..5717d41 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,9 +1,9 @@
 <resources>
-    <string name="app_name">OxFace登录</string>
+    <string name="app_name">OxFace</string>
     <string name="app_logo">应用图标</string>
     <string name="login_logo">登录图标</string>
-    <string name="hint_username">用户名</string>
-    <string name="hint_password">密码</string>
+    <string name="hint_username">请输入登录账号</string>
+    <string name="hint_password">请输入密码</string>
     <string name="login_button">登录</string>
     <string name="forgot_password">忘记密码？</string>
     <string name="login_success">登录成功！</string>
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
index 0880c9d..121ad86 100644
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -31,4 +31,13 @@
         <item name="hintTextColor">@color/primary_color</item>
         <item name="android:layout_marginBottom">16dp</item>
     </style>
+    
+    <!-- 启动主题 - 解决白屏问题 -->
+    <style name="Theme.OxFaceLogin.Splash" parent="Theme.OxFaceLogin">
+        <item name="android:windowBackground">@drawable/splash_background</item>
+        <item name="android:windowNoTitle">true</item>
+        <item name="android:windowActionBar">false</item>
+        <item name="android:windowFullscreen">false</item>
+        <item name="android:windowContentOverlay">@null</item>
+    </style>
 </resources>
\ No newline at end of file