diff --git a/app/src/main/java/qianmu/container/activity/H5/WebViewActivity.java b/app/src/main/java/qianmu/container/activity/H5/WebViewActivity.java
index 82d0587..3d1b98f 100644
--- a/app/src/main/java/qianmu/container/activity/H5/WebViewActivity.java
+++ b/app/src/main/java/qianmu/container/activity/H5/WebViewActivity.java
@@ -857,11 +857,11 @@ public class WebViewActivity extends BaseActivity {
             aiCloudASRIntent = new AICloudASRIntent();
             aiCloudASRIntent.setEnablePunctuation(true);
             aiCloudASRIntent.setRealback(true);//打开实时反馈功能
-            aiCloudASRIntent.setResourceType("aihome");
+            aiCloudASRIntent.setResourceType("aihome");   // 模型
             aiCloudASRIntent.setEnableNumberConvert(true);//设置启用识别结果汉字数字转阿拉伯数字功能
-            aiCloudASRIntent.setWaitingTimeout(30000);   //设置等待识别结果超时时长，默认5000ms
-            aiCloudASRIntent.setNoSpeechTimeOut(10000);
-            aiCloudASRIntent.setPauseTime(2000);
+            aiCloudASRIntent.setWaitingTimeout(30000);   //设置等待识别结果超时时长
+            aiCloudASRIntent.setNoSpeechTimeOut(10000);  //收不到声音超时时间
+            aiCloudASRIntent.setPauseTime(2000);  // 中间停顿时间
             mEngine.init(config, new AIASRListenerImpl());
         }
     }
diff --git a/app/src/main/java/qianmu/container/activity/program/ScreenSaverActivity.java b/app/src/main/java/qianmu/container/activity/program/ScreenSaverActivity.java
index ccb5890..561fa9f 100644
--- a/app/src/main/java/qianmu/container/activity/program/ScreenSaverActivity.java
+++ b/app/src/main/java/qianmu/container/activity/program/ScreenSaverActivity.java
@@ -6,6 +6,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.hardware.display.DisplayManager;
 import android.os.Handler;
+import android.os.Looper;
 import android.os.Message;
 import android.util.Log;
 import android.view.Display;
@@ -63,6 +64,7 @@ import qianmu.container.util.AppUtil;
 import qianmu.container.util.BitmapUtil;
 import qianmu.container.util.CalendarUtils;
 import qianmu.container.util.DeviceUtil;
+import qianmu.container.util.FileUtil;
 import qianmu.container.util.GsonUtil;
 import qianmu.container.util.LoggerUtil;
 import qianmu.container.util.SignWayUtil;
@@ -90,7 +92,7 @@ public class ScreenSaverActivity extends BaseActivity {
     static final int NOVA_HINT = 4;// 隐藏密码输入框
     static final int SHOW_JXB = 5;// 机械臂轮播
     String TB40_password = "SN2008@+";// 华贸SN2008@+
-
+    private Handler mainHandler = new Handler(Looper.getMainLooper());
     int time = 0;
     int jxbPlayNum = 0;
     Handler handler = new Handler() {
@@ -133,7 +135,6 @@ public class ScreenSaverActivity extends BaseActivity {
                         }
                     }
                     break;
-
             }
         }
     };
@@ -436,7 +437,6 @@ public class ScreenSaverActivity extends BaseActivity {
      * 华贸led设备
      */
     String sn;
-
     public void initNova() {
         String companyInfo = "{\"company\":\"NovaStar\",\"phone\":\"029-68216000\",\"email\":\"hr@novastar.tech\"}";
         instance.nvSetDevLang("Java");
@@ -458,14 +458,12 @@ public class ScreenSaverActivity extends BaseActivity {
 
     // TB40 华贸SN2008@+ 江湾里123456
     public void login(String cmd) {
+        LoggerUtil.e("QHT: ","登录");
         instance.nvLoginAsync("{\"sn\":\"" + sn + "\",\"username\":\"admin\",\"rememberPwd\":1,\"password\":\""
                 + TB40_password + "\",\"loginType\":0}", new ViplexCore.CallBack() {
                     @Override
                     public void dataCallBack(int code, String data) {
                         LoggerUtil.e("QHT: 登录1: ", "code: " + code + "data: " + data);
-                        if(code == 65300){
-
-                        }
                     }
                 });
         instance.nvLoginAsync("{\"sn\":\"" + sn + "\",\"username\":\"admin\",\"rememberPwd\":1,\"password\":\""
diff --git a/app/src/main/java/qianmu/container/util/FileUtil.java b/app/src/main/java/qianmu/container/util/FileUtil.java
index ada1f08..cce080e 100644
--- a/app/src/main/java/qianmu/container/util/FileUtil.java
+++ b/app/src/main/java/qianmu/container/util/FileUtil.java
@@ -179,7 +179,9 @@ public class FileUtil {
      * @param localPath
      */
     private static void downloadSuccess(com.lzy.okgo.model.Response<File> response, String localPath) {
-
+        if (response == null) {
+            return;
+        }
         try {
             String fileTotalLength = response.headers().get("Content-Range");
             File tempFile = new File(localPath);