diff --git a/SMS/.idea/deploymentTargetSelector.xml b/SMS/.idea/deploymentTargetSelector.xml
index 22ee28f..ece8bed 100644
--- a/SMS/.idea/deploymentTargetSelector.xml
+++ b/SMS/.idea/deploymentTargetSelector.xml
@@ -4,7 +4,7 @@
     <selectionStates>
       <SelectionState runConfigName="app">
         <option name="selectionMode" value="DROPDOWN" />
-        <DropdownSelection timestamp="2026-03-26T12:09:09.946169900Z">
+        <DropdownSelection timestamp="2026-03-26T14:07:43.913102200Z">
           <Target type="DEFAULT_BOOT">
             <handle>
               <DeviceId pluginId="PhysicalDevice" identifier="serial=lvzdxotknne6u4nv" />
diff --git a/SMS/app/release/app-release.apk b/SMS/app/release/app-release.apk
index 71d84e5..ffad706 100644
Binary files a/SMS/app/release/app-release.apk and b/SMS/app/release/app-release.apk differ
diff --git a/SMS/app/release/baselineProfiles/0/app-release.dm b/SMS/app/release/baselineProfiles/0/app-release.dm
index 90ba418..7547413 100644
Binary files a/SMS/app/release/baselineProfiles/0/app-release.dm and b/SMS/app/release/baselineProfiles/0/app-release.dm differ
diff --git a/SMS/app/release/baselineProfiles/1/app-release.dm b/SMS/app/release/baselineProfiles/1/app-release.dm
index 6b926bd..7fc244b 100644
Binary files a/SMS/app/release/baselineProfiles/1/app-release.dm and b/SMS/app/release/baselineProfiles/1/app-release.dm differ
diff --git a/SMS/app/src/main/AndroidManifest.xml b/SMS/app/src/main/AndroidManifest.xml
index a3f2544..c9abc05 100644
--- a/SMS/app/src/main/AndroidManifest.xml
+++ b/SMS/app/src/main/AndroidManifest.xml
@@ -22,6 +22,16 @@
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
+
+            <!-- 为 ROLE_SMS 申请准备：声明自己是可处理短信的应用 -->
+            <intent-filter>
+                <action android:name="android.intent.action.SENDTO" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:scheme="sms" />
+                <data android:scheme="smsto" />
+                <data android:scheme="mms" />
+                <data android:scheme="mmsto" />
+            </intent-filter>
         </activity>
 
         <!-- 接收系统短信广播 -->
diff --git a/SMS/app/src/main/java/com/yunzer/sms/MainActivity.kt b/SMS/app/src/main/java/com/yunzer/sms/MainActivity.kt
index 69d76f1..2c4c2d5 100644
--- a/SMS/app/src/main/java/com/yunzer/sms/MainActivity.kt
+++ b/SMS/app/src/main/java/com/yunzer/sms/MainActivity.kt
@@ -1,6 +1,7 @@
 package com.yunzer.sms
 
 import android.Manifest
+import android.app.role.RoleManager
 import android.content.Intent
 import android.content.IntentFilter
 import android.content.pm.PackageManager
@@ -25,6 +26,7 @@ class MainActivity : ComponentActivity() {
     private lateinit var btnSave: Button
     private lateinit var etTestPhone: EditText
     private lateinit var btnSmsTest: Button
+    private lateinit var btnRequestSmsRole: Button
     private lateinit var btnClearLog: Button
     private lateinit var tvStatus: TextView
     private lateinit var tvLog: TextView
@@ -42,6 +44,12 @@ class MainActivity : ComponentActivity() {
 
     private val configStore by lazy { ConfigStore(this) }
 
+    private val smsRoleLauncher =
+        registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
+            // 角色授权结束后，再尝试启动网关
+            maybeStartGateway()
+        }
+
     private val permissionLauncher =
         registerForActivityResult(ActivityResultContracts.RequestMultiplePermissions()) {
             // 权限申请后可能有两类后续动作：
@@ -69,6 +77,7 @@ class MainActivity : ComponentActivity() {
         btnSave = findViewById(R.id.btnSave)
         etTestPhone = findViewById(R.id.etTestPhone)
         btnSmsTest = findViewById(R.id.btnSmsTest)
+        btnRequestSmsRole = findViewById(R.id.btnRequestSmsRole)
         btnClearLog = findViewById(R.id.btnClearLog)
         tvStatus = findViewById(R.id.tvStatus)
         tvLog = findViewById(R.id.tvLog)
@@ -126,6 +135,22 @@ class MainActivity : ComponentActivity() {
             sendTestSms(phone)
         }
 
+        btnRequestSmsRole.setOnClickListener {
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+                Toast.makeText(this, "当前系统版本不需要 ROLE_SMS", Toast.LENGTH_SHORT).show()
+                return@setOnClickListener
+            }
+
+            try {
+                val roleManager = getSystemService(RoleManager::class.java) ?: return@setOnClickListener
+                SmsGatewayLogger.post(this, "INFO", "用户点击：申请 ROLE_SMS")
+                val intent = roleManager.createRequestRoleIntent(RoleManager.ROLE_SMS)
+                smsRoleLauncher.launch(intent)
+            } catch (e: Exception) {
+                Toast.makeText(this, "申请 ROLE_SMS 失败：${e.message}", Toast.LENGTH_LONG).show()
+            }
+        }
+
         btnClearLog.setOnClickListener {
             tvLog.text = ""
             SmsGatewayLogger.post(this, "INFO", "日志已清空")
diff --git a/SMS/app/src/main/res/layout/activity_main.xml b/SMS/app/src/main/res/layout/activity_main.xml
index e9c847b..e3ec0e3 100644
--- a/SMS/app/src/main/res/layout/activity_main.xml
+++ b/SMS/app/src/main/res/layout/activity_main.xml
@@ -49,6 +49,13 @@
         android:text="@string/sms_test"
         android:layout_marginTop="8dp" />
 
+    <Button
+        android:id="@+id/btnRequestSmsRole"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/request_sms_role"
+        android:layout_marginTop="8dp" />
+
     <Button
         android:id="@+id/btnClearLog"
         android:layout_width="match_parent"
diff --git a/SMS/app/src/main/res/values/strings.xml b/SMS/app/src/main/res/values/strings.xml
index 0231727..15a7ce0 100644
--- a/SMS/app/src/main/res/values/strings.xml
+++ b/SMS/app/src/main/res/values/strings.xml
@@ -15,6 +15,8 @@
     <string name="sms_test_success">短信测试发送成功</string>
     <string name="sms_test_failed">短信测试发送失败</string>
 
+    <string name="request_sms_role">申请默认短信权限（ROLE_SMS）</string>
+
     <string name="permission_tip">请授予短信接收/发送权限</string>
     <string name="config_saved">配置已保存并启动网关</string>
     <string name="config_invalid">请填写后端地址、ApiKey</string>