diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index bfb730d..bdd1c36 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -48,5 +48,10 @@ dependencies {
     androidTestImplementation("androidx.test.ext:junit:1.1.5")
     androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
 
+    // EasyWindow
     implementation("com.github.getActivity:EasyWindow:10.2")
+
+    // Glide
+    implementation("com.github.bumptech.glide:glide:4.11.0")
+
 }
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 16f3fe6..62ebc1d 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -5,6 +5,12 @@
     <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
     <uses-permission android:name="android.permission.TYPE_APPLICATION_OVERLAY" />
 
+    <uses-permission
+        android:name="android.permission.READ_EXTERNAL_STORAGE"
+        android:maxSdkVersion="32" />
+
+    <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
+
     <application
         android:name=".MyApp"
         android:allowBackup="true"
diff --git a/app/src/main/java/com/ray650128/floatingwindow/ui/SettingActivity.kt b/app/src/main/java/com/ray650128/floatingwindow/ui/SettingActivity.kt
index dee5d2d..3874130 100644
--- a/app/src/main/java/com/ray650128/floatingwindow/ui/SettingActivity.kt
+++ b/app/src/main/java/com/ray650128/floatingwindow/ui/SettingActivity.kt
@@ -1,9 +1,19 @@
 package com.ray650128.floatingwindow.ui
 
+import android.Manifest
+import android.app.Activity
+import android.content.Intent
+import android.net.Uri
+import android.os.Build
 import android.os.Bundle
+import android.provider.MediaStore
+import android.util.Log
 import android.view.View
 import android.widget.AdapterView
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.isVisible
+import com.bumptech.glide.Glide
 import com.ray650128.floatingwindow.databinding.ActivitySettingBinding
 import com.ray650128.floatingwindow.dp
 import com.ray650128.floatingwindow.utils.DensityUtil
@@ -23,6 +33,35 @@ class SettingActivity : AppCompatActivity() {
 
     private var windowIcon = FloatingWindowHelperUtils.IconType.CHICKEN
 
+    private val requestPermission =
+        registerForActivityResult(ActivityResultContracts.RequestMultiplePermissions()) { permissions ->
+            permissions.entries.forEach {
+                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
+                    if (it.key == Manifest.permission.READ_EXTERNAL_STORAGE && it.value) {
+                        pickImage()
+                    }
+                } else {
+                    if (it.key == Manifest.permission.READ_MEDIA_IMAGES && it.value) {
+                        pickImage()
+                    }
+                }
+                Log.e("DEBUG", "${it.key} = ${it.value}")
+            }
+        }
+
+    private val galleryLauncher = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
+        if (result.resultCode == Activity.RESULT_OK) {
+            val data = result.data
+            imageUri = data?.data
+            Glide.with(this).load(imageUri).into(binding.imgPreview)
+            FloatingWindowHelperUtils.setIcon(windowIcon, imageUri)
+            //workingCheckItemAdapter.setImageUri(currentPosition, currentUri)
+            //checkPassButton()
+        }
+    }
+
+    private var imageUri: Uri? = null
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         binding = ActivitySettingBinding.inflate(layoutInflater)
@@ -32,6 +71,9 @@ class SettingActivity : AppCompatActivity() {
         yOffset = PreferenceUtil.yOffset
         windowGravity = FloatingWindowHelperUtils.GravityType.fromInt(PreferenceUtil.gravity)
         windowIcon = FloatingWindowHelperUtils.IconType.fromInt(PreferenceUtil.icon)
+        imageUri = if (PreferenceUtil.iconPath.isNullOrEmpty()) null else {
+            Uri.parse(PreferenceUtil.iconPath)
+        }
 
         binding.apply {
             spGravity.apply {
@@ -51,7 +93,14 @@ class SettingActivity : AppCompatActivity() {
                 onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
                     override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
                         windowIcon = FloatingWindowHelperUtils.IconType.fromIndex(position)
-                        FloatingWindowHelperUtils.setIcon(windowIcon)
+                        FloatingWindowHelperUtils.setIcon(windowIcon, imageUri)
+                        if (windowIcon == FloatingWindowHelperUtils.IconType.CUSTOM) {
+                            imgPreview.isVisible = true
+                            btnPickPhoto.isVisible = true
+                        } else {
+                            imgPreview.isVisible = false
+                            btnPickPhoto.isVisible = false
+                        }
                     }
 
                     override fun onNothingSelected(parent: AdapterView<*>?) {}
@@ -138,11 +187,24 @@ class SettingActivity : AppCompatActivity() {
                 }
             }*/
 
+            if (imageUri != null) {
+                Glide.with(this@SettingActivity).load(imageUri).into(imgPreview)
+            }
+
+            btnPickPhoto.setOnClickListener {
+                requestPermission.launch(
+                    arrayOf(
+                        Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.READ_MEDIA_IMAGES
+                    )
+                )
+            }
+
             btnOk.setOnClickListener {
                 PreferenceUtil.xOffset = xOffset
                 PreferenceUtil.yOffset = yOffset
                 PreferenceUtil.gravity = windowGravity.type
                 PreferenceUtil.icon = windowIcon.value
+                PreferenceUtil.iconPath = imageUri?.toString()
                 finish()
             }
 
@@ -155,10 +217,16 @@ class SettingActivity : AppCompatActivity() {
                     )
                 )
                 FloatingWindowHelperUtils.setIcon(
-                    FloatingWindowHelperUtils.IconType.fromInt(
-                        PreferenceUtil.icon))
+                    FloatingWindowHelperUtils.IconType.fromInt(PreferenceUtil.icon),
+                    Uri.parse(PreferenceUtil.iconPath)
+                )
                 finish()
             }
         }
     }
+
+    private fun pickImage() {
+        val intent = Intent(Intent.ACTION_PICK, MediaStore.Images.Media.INTERNAL_CONTENT_URI)
+        galleryLauncher.launch(intent)
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/ray650128/floatingwindow/utils/FloatingWindowHelperUtils.kt b/app/src/main/java/com/ray650128/floatingwindow/utils/FloatingWindowHelperUtils.kt
index 8ff83a7..db7975e 100644
--- a/app/src/main/java/com/ray650128/floatingwindow/utils/FloatingWindowHelperUtils.kt
+++ b/app/src/main/java/com/ray650128/floatingwindow/utils/FloatingWindowHelperUtils.kt
@@ -1,5 +1,9 @@
 package com.ray650128.floatingwindow.utils
 
+import android.graphics.BitmapFactory
+import android.graphics.drawable.BitmapDrawable
+import android.net.Uri
+import android.provider.MediaStore
 import android.view.Gravity
 import android.view.MotionEvent
 import android.view.WindowManager
@@ -30,7 +34,18 @@ object FloatingWindowHelperUtils {
             })
             setXOffset(xOffset)
             setYOffset(yOffset)
-            setImageDrawable(android.R.id.icon, windowIcon.value)
+            if (windowIcon == IconType.CUSTOM) {
+                if (PreferenceUtil.iconPath.isNullOrEmpty()) {
+                    setImageDrawable(android.R.id.icon, windowIcon.value)
+                } else {
+                    val uri = Uri.parse(PreferenceUtil.iconPath)
+                    val bitmap = BitmapFactory.decodeStream(MyApp.appContext.contentResolver.openInputStream(uri))
+                    val drawable = BitmapDrawable(MyApp.appContext.resources, bitmap)
+                    setImageDrawable(android.R.id.icon, drawable)
+                }
+            } else {
+                setImageDrawable(android.R.id.icon, windowIcon.value)
+            }
             setOnTouchListener { window, view, event ->
                 var touch = false
                 when (event.action) {
@@ -99,8 +114,18 @@ object FloatingWindowHelperUtils {
         window.update()
     }
 
-    fun setIcon(value: IconType) {
-        window.setImageDrawable(android.R.id.icon, value.value)
+    fun setIcon(value: IconType, inputUri: Uri? = null) {
+        if (value == IconType.CUSTOM) {
+            if (inputUri == null) {
+                window.setImageDrawable(android.R.id.icon, value.value)
+            } else {
+                val bitmap = BitmapFactory.decodeStream(MyApp.appContext.contentResolver.openInputStream(inputUri))
+                val drawable = BitmapDrawable(MyApp.appContext.resources, bitmap)
+                window.setImageDrawable(android.R.id.icon, drawable)
+            }
+        } else {
+            window.setImageDrawable(android.R.id.icon, value.value)
+        }
         window.update()
     }
 
@@ -126,7 +151,8 @@ object FloatingWindowHelperUtils {
         GURA(R.drawable.ic_gura, 7),
         RUSHIA2(R.drawable.ic_uruha_rushia2, 8),
         RUSHIA3(R.drawable.ic_uruha_rushia3, 9),
-        HOSHIMACHI_SUISEI(R.drawable.ic_hoshimachii_suisei, 10);
+        HOSHIMACHI_SUISEI(R.drawable.ic_hoshimachii_suisei, 10),
+        CUSTOM(R.mipmap.ic_launcher, 11);
 
         companion object {
             fun fromInt(value: Int) = IconType.values().first { it.value == value }