diff --git a/app/build.gradle b/app/build.gradle
index f3c4159..8452de2 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,7 +10,7 @@ android {
         minSdkVersion 26
         targetSdkVersion 30
         versionCode 6
-        versionName "V2.0.7.57"
+        versionName "V2.0.7.60"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles 'consumer-rules.pro'
diff --git a/app/src/main/java/qianmu/container/mqtt/MQTTService.java b/app/src/main/java/qianmu/container/mqtt/MQTTService.java
index 80944b6..e8b3dd9 100644
--- a/app/src/main/java/qianmu/container/mqtt/MQTTService.java
+++ b/app/src/main/java/qianmu/container/mqtt/MQTTService.java
@@ -51,6 +51,7 @@ import java.security.KeyManagementException;
 import java.security.KeyPair;
 import java.security.KeyStore;
 import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
 import java.security.Security;
 import java.security.cert.CertificateException;
 import java.security.cert.CertificateFactory;
@@ -769,7 +770,7 @@ public class MQTTService extends Service {
         try {
             SSLContext sc = SSLContext.getInstance("SSL");
             try {
-                sc.init(null,trustAllCerts,new SecureRandom());
+                sc.init(null,trustAllCerts, new SecureRandom());
                 SSLSocketFactory factory = sc.getSocketFactory();
                 conOpt.setSocketFactory(factory);
             } catch (KeyManagementException e) {
diff --git a/app/src/main/res/raw/bg.mp4 b/app/src/main/res/raw/bg.mp4
index e306634..4c5a1f1 100644
Binary files a/app/src/main/res/raw/bg.mp4 and b/app/src/main/res/raw/bg.mp4 differ
diff --git a/app/src/main/res/raw/hello.mp4 b/app/src/main/res/raw/hello.mp4
index 60d1acf..acee11c 100644
Binary files a/app/src/main/res/raw/hello.mp4 and b/app/src/main/res/raw/hello.mp4 differ
diff --git a/app/src/main/res/raw/speek.mp4 b/app/src/main/res/raw/speek.mp4
index e85b625..919b557 100644
Binary files a/app/src/main/res/raw/speek.mp4 and b/app/src/main/res/raw/speek.mp4 differ