diff --git a/app/src/main/java/com/dskj/rbchat/welcome/WelcomeActivity.java b/app/src/main/java/com/dskj/rbchat/welcome/WelcomeActivity.java
index 78f7f80..cffcc77 100644
--- a/app/src/main/java/com/dskj/rbchat/welcome/WelcomeActivity.java
+++ b/app/src/main/java/com/dskj/rbchat/welcome/WelcomeActivity.java
@@ -22,6 +22,7 @@ import android.provider.Settings;
 import android.text.TextUtils;
 import android.view.View;
 import android.view.Window;
+import android.view.WindowManager;
 import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
 
@@ -84,8 +85,11 @@ public class WelcomeActivity extends BaseActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         ALog.d(Constant.PROJECT_TAG, TAG, "onCreateView");
-        getWindow().setNavigationBarColor(getResources().getColor(R.color.color_white));
-
+        //getWindow().setNavigationBarColor(getResources().getColor(R.color.color_white));
+        // 设置全屏
+        requestWindowFeature(Window.FEATURE_NO_TITLE);
+        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
+                WindowManager.LayoutParams.FLAG_FULLSCREEN);
         IMApplication.setColdStart(true);
         activityWelcomeBinding = ActivityWelcomeBinding.inflate(getLayoutInflater());
         setContentView(activityWelcomeBinding.getRoot());
@@ -95,7 +99,7 @@ public class WelcomeActivity extends BaseActivity {
         Uri uri = getIntent().getData();
         getScheme(uri);
 //        initClip();
-        activityWelcomeBinding.bigBg.setBackgroundResource(R.color.color_white);
+        //activityWelcomeBinding.bigBg.setBackgroundResource(R.color.color_white);
         if (TextUtils.isEmpty(NIMClient.getCurrentAccount())) {
             startLogin();
         } else {
diff --git a/app/src/main/res/layout/activity_welcome.xml b/app/src/main/res/layout/activity_welcome.xml
index 3dcd2fc..2b9b769 100644
--- a/app/src/main/res/layout/activity_welcome.xml
+++ b/app/src/main/res/layout/activity_welcome.xml
@@ -7,6 +7,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
+    android:background="@mipmap/ic_welcome_bg"
     tools:context=".welcome.WelcomeActivity">
 
     <RelativeLayout
@@ -27,8 +28,8 @@
 
         <com.airbnb.lottie.LottieAnimationView
             android:id="@+id/lottieView"
-            android:layout_width="119.7dp"
-            android:layout_height="119.7dp"
+            android:layout_width="@dimen/dp_106"
+            android:layout_height="@dimen/dp_106"
             app:lottie_autoPlay="true"
             app:lottie_loop="true"
             app:lottie_rawRes="@raw/loading"
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_welcome_bg.png b/app/src/main/res/mipmap-xxxhdpi/ic_welcome_bg.png
new file mode 100644
index 0000000..d50f104
Binary files /dev/null and b/app/src/main/res/mipmap-xxxhdpi/ic_welcome_bg.png differ