diff --git a/app/release/output-metadata.json b/app/release/output-metadata.json
new file mode 100644
index 0000000..d1e9582
--- /dev/null
+++ b/app/release/output-metadata.json
@@ -0,0 +1,18 @@
+{
+  "version": 2,
+  "artifactType": {
+    "type": "APK",
+    "kind": "Directory"
+  },
+  "applicationId": "com.tianrun.siphone",
+  "variantName": "processReleaseResources",
+  "elements": [
+    {
+      "type": "SINGLE",
+      "filters": [],
+      "versionCode": 1,
+      "versionName": "1.0",
+      "outputFile": "app-release.apk"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/app/release/视频对讲指挥系统20201116.apk b/app/release/视频对讲指挥系统20201116.apk
new file mode 100644
index 0000000..03028ad
Binary files /dev/null and b/app/release/视频对讲指挥系统20201116.apk differ
diff --git a/app/src/main/res/drawable-hdpi/ic_launcher.png b/app/src/main/res/drawable-hdpi/ic_launcher.png
index 288b665..1a620b2 100644
Binary files a/app/src/main/res/drawable-hdpi/ic_launcher.png and b/app/src/main/res/drawable-hdpi/ic_launcher.png differ
diff --git a/app/src/main/res/drawable-hdpi/splash1.jpg b/app/src/main/res/drawable-hdpi/splash1.jpg
new file mode 100644
index 0000000..b7c7b95
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/splash1.jpg differ
diff --git a/app/src/main/res/drawable-hdpi/splash2.jpg b/app/src/main/res/drawable-hdpi/splash2.jpg
new file mode 100644
index 0000000..911e837
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/splash2.jpg differ
diff --git a/app/src/main/res/drawable-mdpi/ic_launcher.png b/app/src/main/res/drawable-mdpi/ic_launcher.png
index 6ae570b..1a620b2 100644
Binary files a/app/src/main/res/drawable-mdpi/ic_launcher.png and b/app/src/main/res/drawable-mdpi/ic_launcher.png differ
diff --git a/app/src/main/res/drawable-xhdpi/ic_launcher.png b/app/src/main/res/drawable-xhdpi/ic_launcher.png
index d4fb7cd..1a620b2 100644
Binary files a/app/src/main/res/drawable-xhdpi/ic_launcher.png and b/app/src/main/res/drawable-xhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/drawable-xxhdpi/callbackground.png b/app/src/main/res/drawable-xxhdpi/callbackground.jpg
similarity index 100%
rename from app/src/main/res/drawable-xxhdpi/callbackground.png
rename to app/src/main/res/drawable-xxhdpi/callbackground.jpg
diff --git a/app/src/main/res/drawable-xxhdpi/ic_launcher.png b/app/src/main/res/drawable-xxhdpi/ic_launcher.png
index 85a6081..1a620b2 100644
Binary files a/app/src/main/res/drawable-xxhdpi/ic_launcher.png and b/app/src/main/res/drawable-xxhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/drawable/ic_launcher.png b/app/src/main/res/drawable/ic_launcher.png
new file mode 100644
index 0000000..1a620b2
Binary files /dev/null and b/app/src/main/res/drawable/ic_launcher.png differ
diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
index 2a07051..2db20b5 100644
--- a/app/src/main/res/layout/activity_login.xml
+++ b/app/src/main/res/layout/activity_login.xml
@@ -178,6 +178,7 @@
                 android:textColor="#CCCCCC"
                 android:textSize="18sp"
                 android:textStyle="bold" />
+
             <LinearLayout
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 0c23e88..ca9758a 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -264,7 +264,7 @@
             android:clickable="false">
 
             <Button
-                android:id="@+id/button"
+                android:id="@+id/videobutton"
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
                 android:onClick="doMeetingVideo4Group"
@@ -272,7 +272,7 @@
                 android:textAlignment="viewEnd" />
 
             <ImageView
-                android:id="@+id/imageView2"
+                android:id="@+id/imageView22"
                 android:layout_width="20dp"
                 android:layout_height="20dp"
                 android:layout_alignParentStart="true"
@@ -291,7 +291,7 @@
             android:focusableInTouchMode="false">
 
             <Button
-                android:id="@+id/button"
+                android:id="@+id/delGroupbutton"
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
                 android:onClick="deleteGroup"
@@ -300,7 +300,7 @@
                 android:textColor="#F44336" />
 
             <ImageView
-                android:id="@+id/imageView2"
+                android:id="@+id/imageView3"
                 android:layout_width="20dp"
                 android:layout_height="20dp"
                 android:layout_alignParentStart="true"
@@ -328,7 +328,7 @@
             android:layout_weight="1">
 
             <ImageView
-                android:id="@+id/imageView"
+                android:id="@+id/imageView4"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_weight="1"
@@ -336,7 +336,7 @@
                 app:tint="#5EE463" />
 
             <TextView
-                android:id="@+id/textView"
+                android:id="@+id/textView5"
                 android:layout_width="60dp"
                 android:layout_height="wrap_content"
                 android:layout_alignParentStart="true"
@@ -354,7 +354,7 @@
             android:layout_weight="1">
 
             <ImageView
-                android:id="@+id/imageView"
+                android:id="@+id/imageView6"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_weight="1"
@@ -362,7 +362,7 @@
                 app:tint="#F44336" />
 
             <TextView
-                android:id="@+id/textView"
+                android:id="@+id/textView7"
                 android:layout_width="60dp"
                 android:layout_height="wrap_content"
                 android:layout_alignParentStart="true"
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
deleted file mode 100644
index a26f6fb..0000000
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground" />
-</adaptive-icon>
\ No newline at end of file
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
deleted file mode 100644
index a26f6fb..0000000
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground" />
-</adaptive-icon>
\ No newline at end of file
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher.png b/app/src/main/res/mipmap-hdpi/ic_launcher.png
index 898f3ed..1a620b2 100644
Binary files a/app/src/main/res/mipmap-hdpi/ic_launcher.png and b/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
index dffca36..1a620b2 100644
Binary files a/app/src/main/res/mipmap-hdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-hdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher.png b/app/src/main/res/mipmap-mdpi/ic_launcher.png
index 64ba76f..1a620b2 100644
Binary files a/app/src/main/res/mipmap-mdpi/ic_launcher.png and b/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_round.png b/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
index dae5e08..1a620b2 100644
Binary files a/app/src/main/res/mipmap-mdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-mdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/app/src/main/res/mipmap-xhdpi/ic_launcher.png
index e5ed465..1a620b2 100644
Binary files a/app/src/main/res/mipmap-xhdpi/ic_launcher.png and b/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
index 14ed0af..1a620b2 100644
Binary files a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
index b0907ca..1a620b2 100644
Binary files a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png and b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
index d8ae031..1a620b2 100644
Binary files a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
index 2c18de9..1a620b2 100644
Binary files a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
index beed3cd..1a620b2 100644
Binary files a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index a510f47..1625457 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,5 +1,5 @@
 <resources>
-    <string name="app_name">SIP电话</string>
+    <string name="app_name">视频对讲指挥系统</string>
     <string name="title_activity_scrolling">ScrollingActivity</string>
     <string name="large_text">
         "Material is the metaphor.\n\n"
diff --git a/build.gradle b/build.gradle
index 66242d8..5931d5e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,10 +5,10 @@ buildscript {
     repositories {
         google()
         jcenter()
-        
+
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.0.1'
+        classpath 'com.android.tools.build:gradle:4.1.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -19,7 +19,6 @@ allprojects {
     repositories {
         google()
         jcenter()
-        
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 950157d..fcac1c5 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Tue Aug 25 12:37:32 CST 2020
+#Fri Oct 16 07:42:12 CST 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip