diff --git a/app/src/main/res/drawable-xhdpi/ic_room_title_close.png b/app/src/main/res/drawable-xhdpi/ic_room_title_close.png
new file mode 100644
index 000000000..6af020d2a
Binary files /dev/null and b/app/src/main/res/drawable-xhdpi/ic_room_title_close.png differ
diff --git a/app/src/main/res/drawable/bg_introduction.xml b/app/src/main/res/drawable/bg_introduction.xml
index 1ee8b5fdd..bc18ad2c3 100644
--- a/app/src/main/res/drawable/bg_introduction.xml
+++ b/app/src/main/res/drawable/bg_introduction.xml
@@ -2,8 +2,10 @@
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
     android:shape="rectangle">
 
-    <corners android:radius="10dp" />
+    <corners android:radius="25dp" />
 
-    <solid android:color="@color/white" />
+    <stroke android:width="1px" android:color="@color/white_transparent_50"/>
+
+    <solid android:color="@color/transparent" />
 
 </shape>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_dialog_room_title.xml b/app/src/main/res/layout/fragment_dialog_room_title.xml
index e82795e77..e83d2b24f 100644
--- a/app/src/main/res/layout/fragment_dialog_room_title.xml
+++ b/app/src/main/res/layout/fragment_dialog_room_title.xml
@@ -1,55 +1,87 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    xmlns:tools="http://schemas.android.com/tools">
+    android:layout_height="match_parent">
 
-    <RelativeLayout
+    <androidx.cardview.widget.CardView
         android:id="@+id/rl_dialog_group"
         android:layout_width="311dp"
-        android:layout_centerInParent="true"
-        android:background="@drawable/bg_introduction"
-        android:layout_height="355dp">
+        android:layout_height="355dp"
+        android:layout_gravity="center"
 
-        <TextView
-            android:id="@+id/tv_title"
+        app:cardCornerRadius="25dp"
+        app:cardElevation="0dp">
+
+
+        <com.github.mmin18.widget.RealtimeBlurView
+            android:id="@+id/realtime_blur_view"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            app:realtimeBlurRadius="30dp"
+            app:realtimeDownsampleFactor="3"
+            app:realtimeOverlayColor="#66050C0D"
+            tools:background="#050C0D" />
+
+        <View
+            android:id="@+id/view_shape"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:background="@drawable/bg_introduction" />
+
+        <LinearLayout
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_marginTop="20dp"
-            android:layout_marginRight="20dp"
-            android:layout_marginLeft="20dp"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="22dp"
             android:gravity="center"
-            android:layout_centerHorizontal="true"
-            android:textSize="16dp"
-            android:textColor="@color/appColor"
-            tools:text="稻香" />
+            android:orientation="horizontal">
+
+            <View
+                android:layout_width="4dp"
+                android:layout_height="4dp"
+                android:background="@drawable/shape_white_20dp_round" />
+
+            <TextView
+                android:id="@+id/tv_title"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="10dp"
+                android:layout_marginEnd="10dp"
+                android:text="房间公告"
+                android:textColor="@color/white"
+                android:textSize="16sp" />
+
+            <View
+                android:layout_width="4dp"
+                android:layout_height="4dp"
+                android:background="@drawable/shape_white_20dp_round" />
+
+        </LinearLayout>
 
         <TextView
-            android:layout_below="@id/tv_title"
             android:id="@+id/tv_dialog_desc"
-           android:layout_marginTop="@dimen/dp_25"
-            android:layout_marginStart="28dp"
-            android:layout_marginEnd="28dp"
-            android:layout_marginBottom="28dp"
             android:layout_width="match_parent"
             android:layout_height="205dp"
-            android:textColor="@color/color_424242"
-            android:textSize="13dp"
-            android:scrollbars="vertical" />
+            android:layout_below="@id/tv_title"
+            android:layout_marginStart="24dp"
+            android:layout_marginTop="65dp"
+            android:layout_marginEnd="24dp"
+            android:layout_marginBottom="30dp"
+            android:scrollbars="vertical"
+            android:textColor="@color/white"
+            android:textSize="14dp" />
 
-        <TextView
+        <ImageView
             android:id="@+id/tv_close"
-            android:layout_width="140dp"
-            android:layout_height="38dp"
-            android:textColor="@color/color_7154EE"
-            android:layout_alignParentBottom="true"
-            android:layout_centerHorizontal="true"
-            android:text="@string/close"
-            android:gravity="center"
-            android:layout_marginBottom="15dp"
-            android:background="@drawable/bg_common_cancel" />
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            android:layout_gravity="end"
+            android:layout_marginTop="12dp"
+            android:layout_marginEnd="12dp"
+            android:src="@drawable/ic_room_title_close" />
 
-    </RelativeLayout>
+    </androidx.cardview.widget.CardView>
 
-
-</RelativeLayout>
\ No newline at end of file
+</FrameLayout>
\ No newline at end of file