diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 5ed700b..9ac6a21 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -19,6 +19,9 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.DefenseApplication">
+        <activity
+            android:name=".home.AddDeviceActivity"
+            android:exported="false" />
         <activity
             android:name=".personal.PersonalProfileActivity"
             android:exported="false" />
diff --git a/app/src/main/java/com/example/defenseapplication/home/AddDeviceActivity.kt b/app/src/main/java/com/example/defenseapplication/home/AddDeviceActivity.kt
new file mode 100644
index 0000000..7d07526
--- /dev/null
+++ b/app/src/main/java/com/example/defenseapplication/home/AddDeviceActivity.kt
@@ -0,0 +1,21 @@
+package com.example.defenseapplication.home
+
+import android.os.Bundle
+import androidx.activity.enableEdgeToEdge
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+import com.example.defenseapplication.R
+
+class AddDeviceActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContentView(R.layout.add_device_activity)
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main)) { v, insets ->
+            val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
+            insets
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/defenseapplication/home/PersonalFragment.kt b/app/src/main/java/com/example/defenseapplication/home/PersonalFragment.kt
index 76511e9..ffc5437 100644
--- a/app/src/main/java/com/example/defenseapplication/home/PersonalFragment.kt
+++ b/app/src/main/java/com/example/defenseapplication/home/PersonalFragment.kt
@@ -23,7 +23,7 @@ class PersonalFragment : Fragment() {
     ): View {
         _binding = PersonalFragmentBinding.inflate(inflater, container, false)
         Glide.with(this)
-            .load(R.mipmap.ic_launcher_round)
+            .load(R.drawable.img)
             .circleCrop()
             .into(binding.ivAvatar)
         binding.headerLayout.setOnClickListener {
diff --git a/app/src/main/java/com/example/defenseapplication/personal/PersonalProfileActivity.kt b/app/src/main/java/com/example/defenseapplication/personal/PersonalProfileActivity.kt
index 9665030..be35d93 100644
--- a/app/src/main/java/com/example/defenseapplication/personal/PersonalProfileActivity.kt
+++ b/app/src/main/java/com/example/defenseapplication/personal/PersonalProfileActivity.kt
@@ -30,9 +30,8 @@ class PersonalProfileActivity : AppCompatActivity() {
     private fun initView() {
         binding.ivBack.setOnClickListener { finish() }
 
-        // 默认展示数据（后续可接你的用户信息接口/数据库）
         Glide.with(this)
-            .load(R.mipmap.ic_launcher_round)
+            .load(R.drawable.img)
             .circleCrop()
             .into(binding.ivAvatar)
 
diff --git a/app/src/main/res/drawable/add_d.png b/app/src/main/res/drawable/add_d.png
new file mode 100644
index 0000000..49d40c0
Binary files /dev/null and b/app/src/main/res/drawable/add_d.png differ
diff --git a/app/src/main/res/drawable/img.png b/app/src/main/res/drawable/img.png
new file mode 100644
index 0000000..070f5eb
Binary files /dev/null and b/app/src/main/res/drawable/img.png differ
diff --git a/app/src/main/res/layout/add_device_activity.xml b/app/src/main/res/layout/add_device_activity.xml
new file mode 100644
index 0000000..8ff8b1c
--- /dev/null
+++ b/app/src/main/res/layout/add_device_activity.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<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:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".home.AddDeviceActivity">
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/item_message_notice.xml b/app/src/main/res/layout/item_message_notice.xml
index 5246727..fc529d4 100644
--- a/app/src/main/res/layout/item_message_notice.xml
+++ b/app/src/main/res/layout/item_message_notice.xml
@@ -65,7 +65,6 @@
         android:id="@+id/ivDetail"
         android:layout_width="24dp"
         android:layout_height="24dp"
-        android:background="@drawable/bg_detail_border"
         android:padding="5dp"
         android:src="@drawable/right_back"
         app:layout_constraintBottom_toBottomOf="parent"