diff --git a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
index 1acdec1..8c48443 100644
--- a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
+++ b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
@@ -391,7 +391,7 @@
                 .withCornerRadius(getCurrentCornerRadius());
 
         if (ENABLE_QUICKSTEP_LIVE_TILE.get()) {
-            builder.withLayer(mDrawsBelowRecents ? Integer.MIN_VALUE : 0);
+            builder.withLayer(mDrawsBelowRecents ? Integer.MIN_VALUE + 1 : Integer.MAX_VALUE);
         }
     }
 
diff --git a/quickstep/src/com/android/quickstep/util/TransformParams.java b/quickstep/src/com/android/quickstep/util/TransformParams.java
index 75d6001..a7f25d4 100644
--- a/quickstep/src/com/android/quickstep/util/TransformParams.java
+++ b/quickstep/src/com/android/quickstep/util/TransformParams.java
@@ -139,10 +139,12 @@
 
     public SurfaceParams[] createSurfaceParams(BuilderProxy proxy) {
         RemoteAnimationTargets targets = mTargetSet;
-        SurfaceParams[] surfaceParams = new SurfaceParams[targets.unfilteredApps.length];
+        final int appLength =  targets.unfilteredApps.length;
+        final int wallpaperLength = targets.wallpapers != null ? targets.wallpapers.length : 0;
+        SurfaceParams[] surfaceParams = new SurfaceParams[appLength + wallpaperLength];
         mRecentsSurface = getRecentsSurface(targets);
 
-        for (int i = 0; i < targets.unfilteredApps.length; i++) {
+        for (int i = 0; i < appLength; i++) {
             RemoteAnimationTargetCompat app = targets.unfilteredApps[i];
             SurfaceParams.Builder builder = new SurfaceParams.Builder(app.leash);
 
@@ -166,6 +168,12 @@
             }
             surfaceParams[i] = builder.build();
         }
+        // always put wallpaper layer to bottom.
+        for (int i = 0; i < wallpaperLength; i++) {
+            RemoteAnimationTargetCompat wallpaper = targets.wallpapers[i];
+            surfaceParams[appLength + i] = new SurfaceParams.Builder(wallpaper.leash)
+                    .withLayer(Integer.MIN_VALUE).build();
+        }
         return surfaceParams;
     }