diff --git a/app/src/main/res/layout/code_table_item.xml b/app/src/main/res/layout/code_table_item.xml
index 868fde2..d457397 100644
--- a/app/src/main/res/layout/code_table_item.xml
+++ b/app/src/main/res/layout/code_table_item.xml
@@ -33,12 +33,20 @@
         android:layout_marginBottom="5dp"
         android:text="描述" />
 
+    <View
+        android:id="@+id/LineView"
+        android:layout_width="match_parent"
+        android:layout_height="2dp"
+        android:layout_marginBottom="5dp"
+        android:background="?android:colorPrimary"
+        android:layout_below="@id/descriptionView"/>
+
     <TextView
         android:id="@+id/DemoTitleView"
         style="@style/TextAppearance.Material3.BodyMedium"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_below="@id/descriptionView"
+        android:layout_below="@id/LineView"
         android:text="示例代码:"
         android:textColor="#b99bf8" />