diff --git a/app/build.gradle b/app/build.gradle
index 640cfc2..f530f37 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -183,15 +183,12 @@ android {
     applicationVariants.all { variant ->
         variant.outputs.each { output ->
             def buildType = variant.buildType.name
-            def fileName = ""
 
             if (buildType.contains("debug")) {
-                fileName = "${appName()}_V${defaultConfig.versionName}_${releaseTime()}.apk"
+                output.outputFileName = "${appName()}_V${defaultConfig.versionName}_${releaseTime()}.apk"
             } else {
-                fileName = "${appName()}_${variant.versionCode}_V${variant.versionName}_${releaseTime()}_${buildType}.apk"
+                output.outputFileName = "${appName()}_${variant.versionCode}_V${variant.versionName}_${releaseTime()}_${buildType}.apk"
             }
-
-            output.outputFileName = fileName
         }
     }
 }
diff --git a/app/src/main/java/com/ttstd/dialer/service/MyVoiceInteractionService.java b/app/src/main/java/com/ttstd/dialer/service/MyVoiceInteractionService.java
index e9930e9..4f1ce4d 100644
--- a/app/src/main/java/com/ttstd/dialer/service/MyVoiceInteractionService.java
+++ b/app/src/main/java/com/ttstd/dialer/service/MyVoiceInteractionService.java
@@ -29,11 +29,14 @@ public class MyVoiceInteractionService extends VoiceInteractionService {
     public void onReady() {
         super.onReady();
         Logger.d(TAG, "onReady");
+        // 服务准备就绪，通常在此之后可以开启 Session 获取界面信息
     }
 
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
-        Logger.d(TAG, "onStartCommand: " + intent);
+        Logger.d(TAG, "onStartCommand: action=" + (intent != null ? intent.getAction() : "null"));
+        // 如果需要主动触发获取界面信息，可以调用 showSession
+        // 这会触发 MyVoiceInteractionSessionService 创建 Session，并回调 onHandleAssist
         if (intent != null) {
             String action = intent.getAction();
             if (ACTION_SHOW_SESSION.equals(action)) {
@@ -44,7 +47,7 @@ public class MyVoiceInteractionService extends VoiceInteractionService {
                     Bundle args = new Bundle();
                     showSession(args,
                             VoiceInteractionSession.SHOW_WITH_ASSIST |
-                            VoiceInteractionSession.SHOW_WITH_SCREENSHOT);
+                                    VoiceInteractionSession.SHOW_WITH_SCREENSHOT);
                 } else {
                     Logger.w(TAG, "Service is not the active voice interaction service");
                 }
diff --git a/app/src/main/java/com/ttstd/dialer/service/MyVoiceInteractionSession.java b/app/src/main/java/com/ttstd/dialer/service/MyVoiceInteractionSession.java
index 27a06d2..9c709c4 100644
--- a/app/src/main/java/com/ttstd/dialer/service/MyVoiceInteractionSession.java
+++ b/app/src/main/java/com/ttstd/dialer/service/MyVoiceInteractionSession.java
@@ -36,8 +36,13 @@ public class MyVoiceInteractionSession extends VoiceInteractionSession {
     @Override
     public void onHandleAssist(Bundle data, AssistStructure structure, AssistContent content) {
         super.onHandleAssist(data, structure, content);
-        Logger.d(TAG, "onHandleAssist: data=" + data);
-        processAssistStructure(structure);
+        // 这是核心方法，structure 包含了整个屏幕的 View 树
+        Logger.d(TAG, "onHandleAssist");
+        if (structure != null) {
+            processAssistStructure(structure);
+        } else {
+            Logger.w(TAG, "AssistStructure is null");
+        }
     }
 
     // Android 12 (API 31) 及以上建议使用此方法
@@ -50,12 +55,6 @@ public class MyVoiceInteractionSession extends VoiceInteractionSession {
         }
     }
 
-    @Override
-    public void onHandleScreenshot(@Nullable Bitmap screenshot) {
-        super.onHandleScreenshot(screenshot);
-        Logger.d(TAG, "onHandleScreenshot: " + (screenshot != null ? "has screenshot" : "null"));
-    }
-
     private void processAssistStructure(AssistStructure structure) {
         if (structure == null) {
             Logger.w(TAG, "AssistStructure is null");
@@ -76,10 +75,10 @@ public class MyVoiceInteractionSession extends VoiceInteractionSession {
     private void traverseNode(AssistStructure.ViewNode node, String prefix) {
         if (node == null) return;
 
+        Logger.d(TAG, prefix + "View: text=" + node.getText() + ", id=" + node.getIdEntry());
         CharSequence text = node.getText();
         String id = node.getIdEntry();
         String className = node.getClassName();
-        
         if (text != null || id != null) {
             Logger.d(TAG, prefix + "View: class=" + className + ", text=" + text + ", id=" + id);
         }
@@ -91,7 +90,7 @@ public class MyVoiceInteractionSession extends VoiceInteractionSession {
 
     @Override
     public View onCreateContentView() {
-        // 返回一个空的 View，以确保 Session 能够正确显示
-        return new View(getContext());
+        // 可以返回一个自定义布局，用于在屏幕上显示助手界面
+        return super.onCreateContentView();
     }
 }