diff --git a/.github/workflows/pre_release.yml b/.github/workflows/pre_release.yml
index 2cb4d678..cb933570 100644
--- a/.github/workflows/pre_release.yml
+++ b/.github/workflows/pre_release.yml
@@ -63,7 +63,7 @@ jobs:
           cores: 4
           arch: x86_64
           working-directory: ./demo
-          script: ./gradlew :app:connectedAndroidTest --stacktrace
+          script: ./gradlew :app:connectedAndroidTest --info
 
       - name: Run sdk unit tests
         run: |
diff --git a/growingio-tracker-core/src/main/java/com/growingio/android/sdk/track/view/WindowHelper.java b/growingio-tracker-core/src/main/java/com/growingio/android/sdk/track/view/WindowHelper.java
index 0fc99bc1..9f4170b9 100644
--- a/growingio-tracker-core/src/main/java/com/growingio/android/sdk/track/view/WindowHelper.java
+++ b/growingio-tracker-core/src/main/java/com/growingio/android/sdk/track/view/WindowHelper.java
@@ -94,7 +94,7 @@ public boolean isDecorView(View rootView) {
     public List<DecorView> getTopActivityViews() {
         List<DecorView> topViews = new ArrayList<>();
         Activity activity = TrackMainThread.trackMain().getForegroundActivity();
-        if (activity == null) return null;
+        if (activity == null) return topViews;
         List<DecorView> decorViews = getAllWindowDecorViews();
         View activityView = activity.getWindow().getDecorView();
         boolean findTopActivity = false;