diff --git a/entry/src/main/java/com/classic/common/simple/AbsActivity.java b/entry/src/main/java/com/classic/common/simple/AbsActivity.java
index c4f9dc7f73014186290c05bc1d2b9ceb4fad7250..c1adf97cd84b0df174a9e9f8b6aad66616d3b93a 100644
--- a/entry/src/main/java/com/classic/common/simple/AbsActivity.java
+++ b/entry/src/main/java/com/classic/common/simple/AbsActivity.java
@@ -39,7 +39,7 @@ public abstract class AbsActivity extends Ability implements Component.ClickedLi
     @Override
     protected void onStart(Intent savedInstanceState) {
         super.onStart(savedInstanceState);
-        WindowManager.getInstance().getTopWindow().get().setStatusBarColor(new RgbColor(48,63,159).asArgbInt());    //状态栏颜色
+        WindowManager.getInstance().getTopWindow().get().setStatusBarColor(new RgbColor(48, 63, 159).asArgbInt());    //状态栏颜色
         initView();
         mFloatingActionMenu = (FloatingActionMenu) findComponentById(ResourceTable.Id_menu);
         mLoadingFab = (FloatingActionButton) findComponentById(ResourceTable.Id_fab_loading);
@@ -70,16 +70,16 @@ public abstract class AbsActivity extends Ability implements Component.ClickedLi
     void loading() {
         DependentLayout.LayoutConfig config = new DependentLayout.LayoutConfig(
                 DependentLayout.LayoutConfig.MATCH_PARENT, DependentLayout.LayoutConfig.MATCH_PARENT);
-        BallClipRotateMultipleIndicator ballClipRotateMultipleIndicator=new BallClipRotateMultipleIndicator(this);
+        BallClipRotateMultipleIndicator ballClipRotateMultipleIndicator = new BallClipRotateMultipleIndicator(this);
 
         ballClipRotateMultipleIndicator.setHeight(250);
         ballClipRotateMultipleIndicator.setWidth(250);
         DependentLayout.LayoutConfig config1 = new DependentLayout.LayoutConfig(
                 DependentLayout.LayoutConfig.CENTER_IN_PARENT, DependentLayout.LayoutConfig.CENTER_IN_PARENT);
         ballClipRotateMultipleIndicator.setLayoutConfig(config1);
-        config.setMarginTop(((int)getScreenHeight(this)-400)/2-50);
-        config.setMarginLeft(((int)getScreenWidth(this)-400)/2);
-        mMultipleStatusView.showLoading(ballClipRotateMultipleIndicator,config);
+        config.setMarginTop(((int) getScreenHeight(this) - 400) / 2 - 50);
+        config.setMarginLeft(((int) getScreenWidth(this) - 400) / 2);
+        mMultipleStatusView.showLoading(ballClipRotateMultipleIndicator, config);
         ballClipRotateMultipleIndicator.start();
         ballClipRotateMultipleIndicator.show();
         mMultipleStatusView.postDelayed(callback, DELAY);
@@ -136,7 +136,7 @@ public abstract class AbsActivity extends Ability implements Component.ClickedLi
     public static float getScreenWidth(Context context) {
         Optional<Display> display = DisplayManager.getInstance().getDefaultDisplay(context);
         Point size = new Point();
-        display.get().getSize(size);
+        display.ifPresent(value -> value.getSize(size));
         return size.getPointX();
     }
 
@@ -149,7 +149,7 @@ public abstract class AbsActivity extends Ability implements Component.ClickedLi
     public static float getScreenHeight(Context context) {
         Optional<Display> display = DisplayManager.getInstance().getDefaultDisplay(context);
         Point size = new Point();
-        display.get().getSize(size);
+        display.ifPresent(value -> value.getSize(size));
         return size.getPointY();
     }
 }