diff --git a/app/src/main/java/me/yifeiyuan/flapdev/GitHubDemoFragment.kt b/app/src/main/java/me/yifeiyuan/flapdev/GitHubDemoFragment.kt
index 3b82acdc..716fb55c 100644
--- a/app/src/main/java/me/yifeiyuan/flapdev/GitHubDemoFragment.kt
+++ b/app/src/main/java/me/yifeiyuan/flapdev/GitHubDemoFragment.kt
@@ -1,6 +1,7 @@
 package me.yifeiyuan.flapdev
 
 import android.view.View
+import me.yifeiyuan.flap.decoration.LinearSpaceItemDecoration
 import me.yifeiyuan.flap.delegate.adapterDelegate
 import me.yifeiyuan.flap.ext.bindTextView
 import me.yifeiyuan.flapdev.components.SimpleTextModel
@@ -16,6 +17,8 @@ class GitHubDemoFragment : BaseTestcaseFragment() {
     override fun onInit(view: View) {
         super.onInit(view)
 
+        recyclerView.addItemDecoration(LinearSpaceItemDecoration(requireActivity().toPixel(6)))
+
         val simpleTextDelegate = adapterDelegate<SimpleTextModel>(R.layout.flap_item_simple_text) {
             onBind { model ->
                 bindTextView(R.id.tv_content) {
diff --git a/app/src/main/java/me/yifeiyuan/flapdev/testcases/MultiTypeTestcase.kt b/app/src/main/java/me/yifeiyuan/flapdev/testcases/MultiTypeTestcase.kt
index 6dcc7362..53af1c63 100644
--- a/app/src/main/java/me/yifeiyuan/flapdev/testcases/MultiTypeTestcase.kt
+++ b/app/src/main/java/me/yifeiyuan/flapdev/testcases/MultiTypeTestcase.kt
@@ -6,6 +6,7 @@ import android.view.MenuItem
 import android.view.View
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.RecyclerView
+import me.yifeiyuan.flap.decoration.LinearSpaceItemDecoration
 import me.yifeiyuan.flap.skeleton.Skeleton
 import me.yifeiyuan.flap.widget.FlapGridLayoutManager
 import me.yifeiyuan.flap.widget.FlapLinearLayoutManager
@@ -13,6 +14,7 @@ import me.yifeiyuan.flap.widget.FlapStaggeredGridLayoutManager
 import me.yifeiyuan.flapdev.R
 import me.yifeiyuan.flapdev.components.ZeroHeightModel
 import me.yifeiyuan.flapdev.mockMultiTypeModels
+import me.yifeiyuan.flapdev.toPixel
 
 /**
  * 多类型测试
@@ -53,6 +55,8 @@ class MultiTypeTestcase : BaseTestcaseFragment() {
                 .onlyOnce(false)
                 .withEmptyViewHelper(adapter.emptyViewHelper)
                 .show()
+
+        recyclerView.addItemDecoration(LinearSpaceItemDecoration(requireActivity().toPixel(6)))
     }
 
     override fun createRefreshData(size: Int): MutableList<Any> {