diff --git a/app/src/main/java/com/example/flomo_ai/MainActivity.kt b/app/src/main/java/com/example/flomo_ai/MainActivity.kt
index 5282937..64fea75 100644
--- a/app/src/main/java/com/example/flomo_ai/MainActivity.kt
+++ b/app/src/main/java/com/example/flomo_ai/MainActivity.kt
@@ -38,7 +38,8 @@ import android.graphics.BitmapFactory
 import android.net.Uri
 import java.io.InputStream
 import android.content.Context
-
+import android.app.Activity
+import android.widget.ImageView
 
 
 // 定义请求体数据类
@@ -363,6 +364,17 @@ class MainActivity : AppCompatActivity() {
 
     }
 
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        if (requestCode == SecondActivity.REQUEST_CODE_PICK_IMAGE && resultCode == Activity.RESULT_OK && data != null) {
+            val selectedImageUri = data.getStringExtra("selectedImageUri")
+            if (selectedImageUri != null) {
+                val imageView = findViewById<ImageView>(R.id.imageViewBackground) // 假设你的背景是一个ImageView
+                imageView.setImageURI(Uri.parse(selectedImageUri))
+            }
+        }
+    }
+
     override fun onStart() {
         super.onStart()
         // 获取从其他 Activity 传递过来的按钮颜色值，如果没有传递颜色值，则默认值为透明色。
diff --git a/app/src/main/java/com/example/flomo_ai/SecondActivity.kt b/app/src/main/java/com/example/flomo_ai/SecondActivity.kt
index e86f039..51515e1 100644
--- a/app/src/main/java/com/example/flomo_ai/SecondActivity.kt
+++ b/app/src/main/java/com/example/flomo_ai/SecondActivity.kt
@@ -14,6 +14,10 @@ import androidx.core.content.ContextCompat
 import android.content.Context
 import android.util.Log
 import androidx.core.content.res.ResourcesCompat
+import android.app.Activity
+import android.content.Intent
+import android.net.Uri
+import androidx.activity.result.contract.ActivityResultContracts
 
 
 class SecondActivity : AppCompatActivity() {
@@ -28,6 +32,11 @@ class SecondActivity : AppCompatActivity() {
     private var configs = mutableListOf<APIConfig>()
     private var editingId: Long? = null
 
+    private val pickImageLauncher = registerForActivityResult(ActivityResultContracts.PickVisualMedia()) { uri ->
+        if (uri!= null) {
+            // 处理选中的图片
+        }
+    }
     private fun setButtonListeners() {
         val buttonIds = listOf(
             R.id.button_holo_red_light,
@@ -101,6 +110,30 @@ class SecondActivity : AppCompatActivity() {
         //颜色按钮的监听
         setButtonListeners()
 
+        // 背景按钮的监听
+        val buttonChooseImage = findViewById<Button>(R.id.buttonChooseImage)
+        buttonChooseImage.setOnClickListener {
+            pickImageLauncher.launch(null)
+        }
+
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        if (requestCode == REQUEST_CODE_PICK_IMAGE && resultCode == RESULT_OK && data!= null) {
+            val selectedImageUri: Uri? = data.data
+            if (selectedImageUri!= null) {
+                // 将选择的图片 URI 传递回 MainActivity
+                val resultIntent = Intent()
+                resultIntent.putExtra("selectedImageUri", selectedImageUri.toString())
+                setResult(RESULT_OK, resultIntent)
+                finish()
+            }
+        }
+    }
+
+    companion object {
+        const val REQUEST_CODE_PICK_IMAGE = 1000
     }
 
     private fun initViews() {
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index fe3f153..e64a382 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -124,4 +124,22 @@
         android:textColor="@android:color/white"
         android:textSize="12sp" />
 
+    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="#FFFFFF"> <!-- 设置默认背景颜色 -->
+
+
+        <!-- ImageView 作为背景 -->
+        <ImageView
+            android:id="@+id/imageViewBackground"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:scaleType="centerCrop"
+            android:contentDescription="@string/background_image" />
+
+        <!-- 其他布局元素 -->
+    </RelativeLayout>
+
+
 </LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_second.xml b/app/src/main/res/layout/activity_second.xml
index 6a3adab..90a9ace 100644
--- a/app/src/main/res/layout/activity_second.xml
+++ b/app/src/main/res/layout/activity_second.xml
@@ -175,8 +175,29 @@
 
             </androidx.constraintlayout.widget.ConstraintLayout>
 
-
-
         </RelativeLayout>
+
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <TextView
+            android:id="@+id/textViewImageHint"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="点击按钮选择图片作为背景"
+            android:layout_below="@id/buttonChooseImage"
+            android:layout_centerHorizontal="true"
+            android:layout_marginTop="10dp" />
+
+        <Button
+            android:id="@+id/buttonChooseImage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="选择图片"
+            android:layout_centerHorizontal="true"
+            android:layout_marginTop="20dp" />
+</RelativeLayout>
+
     </LinearLayout>
 </ScrollView>
\ 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 6368541..376afc4 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -13,5 +13,6 @@
     <string name="set_background_image">设置背景图片</string>
     <string name="choose_image">选择图片</string>
     <string name="api_key">API密钥</string>
+    <string name="background_image">Background image description</string>
 
 </resources>
\ No newline at end of file