diff --git a/app/src/main/java/com/shayu/phonelive/activity/LauncherActivity.java b/app/src/main/java/com/shayu/phonelive/activity/LauncherActivity.java
index 0415e00e9..f0619923c 100644
--- a/app/src/main/java/com/shayu/phonelive/activity/LauncherActivity.java
+++ b/app/src/main/java/com/shayu/phonelive/activity/LauncherActivity.java
@@ -392,6 +392,15 @@ public class LauncherActivity extends AppCompatActivity implements View.OnClickL
         mPlayer = null;
     }
 
+    @Override
+    public void onBackPressed() {
+        if (mLauncherAdViewHolder != null) {
+            mLauncherAdViewHolder.release();
+            checkUidAndToken();
+            return;
+        }
+        super.onBackPressed();
+    }
 
     /**
      * 播放广告
diff --git a/config.gradle b/config.gradle
index 808d3435f..a4c1d2a21 100644
--- a/config.gradle
+++ b/config.gradle
@@ -9,9 +9,9 @@ ext {
     ]
     manifestPlaceholders = [
             //正式、
-//            serverHost       : "https://napi.yaoulive.com",
+            serverHost       : "https://napi.yaoulive.com",
 //             测试
-            serverHost       : " https://ceshi.yaoulive.com",
+//            serverHost       : " https://ceshi.yaoulive.com",