diff --git a/android-webview-app/APP_CHANGELOG.md b/android-webview-app/APP_CHANGELOG.md
index 085a3f6..929df01 100644
--- a/android-webview-app/APP_CHANGELOG.md
+++ b/android-webview-app/APP_CHANGELOG.md
@@ -1,5 +1,9 @@
 # App 更新说明
 
+# 1.0.22
+- 修复 Android App 内从本地发送图片/视频无效的问题：补充 Android 13+ 所需的媒体读取权限（`READ_MEDIA_IMAGES` / `READ_MEDIA_VIDEO`）
+- 修复 Android App 文件选择器在 Android 13+ 上回调丢失的问题：将已废弃的 `startActivityForResult` 升级为 `registerForActivityResult`（Activity Result API）
+
 # 1.0.21
 - 修复 Android App 内手机端展开“对话记录”时仍沿用旧宽度的问题，面板宽度与桌面端对话侧栏保持一致
 - 修复 Android App 内对话记录展开面板顶部残留系统栏空白的问题，内容从面板顶端开始显示
diff --git a/android-webview-app/app/build.gradle.kts b/android-webview-app/app/build.gradle.kts
index 619424c..82ade6f 100644
--- a/android-webview-app/app/build.gradle.kts
+++ b/android-webview-app/app/build.gradle.kts
@@ -16,8 +16,8 @@ android {
         applicationId = "com.cyjai.agent"
         minSdk = 24
         targetSdk = 35
-        versionCode = 23
-        versionName = "1.0.21"
+        versionCode = 24
+        versionName = "1.0.22"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }
diff --git a/android-webview-app/app/src/main/AndroidManifest.xml b/android-webview-app/app/src/main/AndroidManifest.xml
index 0af9c4d..e2cbd2d 100644
--- a/android-webview-app/app/src/main/AndroidManifest.xml
+++ b/android-webview-app/app/src/main/AndroidManifest.xml
@@ -2,6 +2,9 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
+    <uses-permission android:name="android.permission.READ_MEDIA_VIDEO" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" android:maxSdkVersion="32" />
 
     <application
         android:allowBackup="true"
diff --git a/android-webview-app/app/src/main/java/com/cyjai/agent/MainActivity.kt b/android-webview-app/app/src/main/java/com/cyjai/agent/MainActivity.kt
index 43a2f0c..fda5b4d 100644
--- a/android-webview-app/app/src/main/java/com/cyjai/agent/MainActivity.kt
+++ b/android-webview-app/app/src/main/java/com/cyjai/agent/MainActivity.kt
@@ -18,6 +18,8 @@ import android.webkit.WebSettings
 import android.webkit.WebView
 import android.webkit.WebViewClient
 import androidx.activity.OnBackPressedCallback
+import androidx.activity.result.ActivityResultLauncher
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.view.ViewCompat
 import androidx.core.view.WindowInsetsCompat
@@ -29,6 +31,14 @@ class MainActivity : AppCompatActivity() {
     private lateinit var webView: WebView
     private var filePathCallback: ValueCallback<Array<Uri>>? = null
 
+    private val fileChooserLauncher: ActivityResultLauncher<Intent> = registerForActivityResult(
+        ActivityResultContracts.StartActivityForResult()
+    ) { result ->
+        val results = WebChromeClient.FileChooserParams.parseResult(result.resultCode, result.data)
+        filePathCallback?.onReceiveValue(results)
+        filePathCallback = null
+    }
+
     @SuppressLint("SetJavaScriptEnabled")
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -111,7 +121,7 @@ class MainActivity : AppCompatActivity() {
                     addCategory(Intent.CATEGORY_OPENABLE)
                     type = "*/*"
                 }
-                startActivityForResult(intent, FILE_CHOOSER_REQUEST_CODE)
+                fileChooserLauncher.launch(intent)
                 return true
             }
         }
@@ -136,16 +146,6 @@ class MainActivity : AppCompatActivity() {
         }
     }
 
-    @Deprecated("Deprecated in Java")
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        super.onActivityResult(requestCode, resultCode, data)
-        if (requestCode != FILE_CHOOSER_REQUEST_CODE) return
-
-        val results = WebChromeClient.FileChooserParams.parseResult(resultCode, data)
-        filePathCallback?.onReceiveValue(results)
-        filePathCallback = null
-    }
-
     override fun onSaveInstanceState(outState: Bundle) {
         webView.saveState(outState)
         super.onSaveInstanceState(outState)
@@ -300,7 +300,6 @@ class MainActivity : AppCompatActivity() {
     companion object {
         private const val HOME_URL = "https://agent.cyjai.com"
         private const val WEB_ASSET_VERSION = "20260406_4"
-        private const val FILE_CHOOSER_REQUEST_CODE = 9001
     }
 
     private fun buildHomeUrl(): String {