diff --git a/app-catalog/app/build.gradle b/app-catalog/app/build.gradle
index 487a5c2..0ebc6d1 100644
--- a/app-catalog/app/build.gradle
+++ b/app-catalog/app/build.gradle
@@ -33,8 +33,8 @@ android {
         applicationId "com.wintmain.catalog.app"
         minSdk 26
         targetSdk 34
-        versionCode 20241003
-        versionName 'V20241003'
+        versionCode 20241009
+        versionName 'V20241009'
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
diff --git a/app-catalog/samples/foundation/src/main/AndroidManifest.xml b/app-catalog/samples/foundation/src/main/AndroidManifest.xml
index 9b3dbbe..91e872c 100644
--- a/app-catalog/samples/foundation/src/main/AndroidManifest.xml
+++ b/app-catalog/samples/foundation/src/main/AndroidManifest.xml
@@ -65,186 +65,186 @@
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.RabbitLayout"
+            android:name=".prejob.RabbitLayout"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.RegisterMember"
+            android:name=".prejob.RegisterMember"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.RadioGroupDemo"
+            android:name=".prejob.RadioGroupDemo"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.CheckBoxDemo"
+            android:name=".prejob.CheckBoxDemo"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.CodeToCreateView"
+            android:name=".prejob.CodeToCreateView"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ListDemo"
+            android:name=".prejob.ListDemo"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.TimeGetDemo"
+            android:name=".prejob.TimeGetDemo"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.TimeGetDemoExt"
+            android:name=".prejob.TimeGetDemoExt"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep2_1"
+            android:name=".prejob.ep2_1"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep2_2"
+            android:name=".prejob.ep2_2"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep2_3"
+            android:name=".prejob.ep2_3"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep2_4"
+            android:name=".prejob.ep2_4"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep2_5"
+            android:name=".prejob.ep2_5"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep2_6"
+            android:name=".prejob.ep2_6"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep2_7"
+            android:name=".prejob.ep2_7"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep2_8"
+            android:name=".prejob.ep2_8"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep2_10"
+            android:name=".prejob.ep2_10"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep2_11"
+            android:name=".prejob.ep2_11"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep2_12"
+            android:name=".prejob.ep2_12"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep2_13"
+            android:name=".prejob.ep2_13"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep2_14"
+            android:name=".prejob.ep2_14"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep2_15"
+            android:name=".prejob.ep2_15"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep3_1"
+            android:name=".prejob.ep3_1"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep3_1second"
+            android:name=".prejob.ep3_1second"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep3_2"
+            android:name=".prejob.ep3_2"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep3_3"
+            android:name=".prejob.ep3_3"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep3_3second"
+            android:name=".prejob.ep3_3second"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep3_5"
+            android:name=".prejob.ep3_5"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep3_5second"
+            android:name=".prejob.ep3_5second"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep3_6"
+            android:name=".prejob.ep3_6"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep3_6second"
+            android:name=".prejob.ep3_6second"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <activity
-            android:name=".prejob.uiDemo.ep3_7"
+            android:name=".prejob.ep3_7"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.uiDemo.ep3_7$DetailActivity"
+        <activity android:name=".prejob.ep3_7$DetailActivity"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.extDemo.ep4_1"
+        <activity android:name=".prejob.ep4_1"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.extDemo.ep4_1second"
+        <activity android:name=".prejob.ep4_1second"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.extDemo.ep4_2"
+        <activity android:name=".prejob.ep4_2"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.extDemo.ep4_3"
+        <activity android:name=".prejob.ep4_3"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.extDemo.ep4_3second"
+        <activity android:name=".prejob.ep4_3second"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" >
             <intent-filter>
@@ -254,83 +254,83 @@
             </intent-filter>
         </activity>
 
-        <activity android:name=".prejob.extDemo.ep4_5"
+        <activity android:name=".prejob.ep4_5"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.extDemo.ep4_6"
+        <activity android:name=".prejob.ep4_6"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.extDemo.ep5_1"
+        <activity android:name=".prejob.ep5_1"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.extDemo.ep5_2"
+        <activity android:name=".prejob.ep5_2"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.extDemo.ep5_4"
+        <activity android:name=".prejob.ep5_4"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.extDemo.ep5_5"
+        <activity android:name=".prejob.ep5_5"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.extDemo.ep5_6"
+        <activity android:name=".prejob.ep5_6"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.extDemo.ep5_7"
+        <activity android:name=".prejob.ep5_7"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.extDemo.ep5_10"
+        <activity android:name=".prejob.ep5_10"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.extDemo.ep6_1"
+        <activity android:name=".prejob.ep6_1"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.extDemo.ep6_2"
+        <activity android:name=".prejob.ep6_2"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.extDemo.ep6_3"
+        <activity android:name=".prejob.ep6_3"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.upDemo.ep7_1"
+        <activity android:name=".prejob.ep7_1"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.upDemo.ep7_2"
+        <activity android:name=".prejob.ep7_2"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.upDemo.ep7_3"
+        <activity android:name=".prejob.ep7_3"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.upDemo.ep7_6"
+        <activity android:name=".prejob.ep7_6"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.upDemo.LocalBroadcastActivity"
+        <activity android:name=".prejob.LocalBroadcastActivity"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.upDemo.ep9_1"
+        <activity android:name=".prejob.ep9_1"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.upDemo.ep9_3"
+        <activity android:name=".prejob.ep9_3"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
-        <activity android:name=".prejob.upDemo.ep9_4"
+        <activity android:name=".prejob.ep9_4"
             android:exported="true"
             android:theme="@style/Theme.AppCompat.DayNight" />
 
@@ -340,7 +340,7 @@
             android:theme="@style/Theme.AppCompat.DayNight" />
 
         <receiver
-            android:name=".prejob.upDemo.BootCompleteReceiver"
+            android:name=".prejob.BootCompleteReceiver"
             android:exported="false">
             <intent-filter>
                 <action android:name="android.intent.action.BOOT_COMPLETED" />
@@ -349,7 +349,7 @@
 
         <!--静态注册一个广播接收者-->
         <receiver
-            android:name=".prejob.upDemo.MyBroadcastReceiver"
+            android:name=".prejob.MyBroadcastReceiver"
             android:exported="false">
             <!--定义一个意图过滤器来接收（监听）指定的action-->
             <intent-filter>
@@ -358,7 +358,7 @@
         </receiver>
 
         <receiver
-            android:name=".prejob.upDemo.AnotherBroadcastReceiver"
+            android:name=".prejob.AnotherBroadcastReceiver"
             android:exported="false">
             <intent-filter>
                 <action android:name="com.android.MY_BROADCAST_EXT" />
diff --git a/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/uiDemo/Ep1_UI.kt b/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep1_UI.kt
similarity index 99%
rename from app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/uiDemo/Ep1_UI.kt
rename to app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep1_UI.kt
index b61eef6..05aed59 100644
--- a/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/uiDemo/Ep1_UI.kt
+++ b/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep1_UI.kt
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.wintmain.foundation.prejob.uiDemo
+package com.wintmain.foundation.prejob
 
 import android.annotation.SuppressLint
 import android.content.Context
diff --git a/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/uiDemo/Ep2_UIWidget.kt b/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep2_UIWidget.kt
similarity index 99%
rename from app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/uiDemo/Ep2_UIWidget.kt
rename to app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep2_UIWidget.kt
index 02df9c3..5214684 100644
--- a/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/uiDemo/Ep2_UIWidget.kt
+++ b/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep2_UIWidget.kt
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.wintmain.foundation.prejob.uiDemo
+package com.wintmain.foundation.prejob
 
 import android.app.AlertDialog
 import android.app.Notification.Builder
diff --git a/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/uiDemo/Ep3_UIInteraction.kt b/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep3_UIInteraction.kt
similarity index 99%
rename from app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/uiDemo/Ep3_UIInteraction.kt
rename to app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep3_UIInteraction.kt
index 09f83d1..238446a 100644
--- a/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/uiDemo/Ep3_UIInteraction.kt
+++ b/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep3_UIInteraction.kt
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.wintmain.foundation.prejob.uiDemo
+package com.wintmain.foundation.prejob
 
 import android.content.Intent
 import android.content.res.Configuration
@@ -41,7 +41,7 @@ import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 import com.google.android.catalog.framework.annotations.Sample
 import com.wintmain.foundation.R
-import com.wintmain.foundation.prejob.uiDemo.ep3_7.DetailActivity
+import com.wintmain.foundation.prejob.ep3_7.DetailActivity
 import java.io.Serializable
 import java.text.DecimalFormat
 
diff --git a/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/extDemo/Ep4_Intent.kt b/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep4_Intent.kt
similarity index 99%
rename from app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/extDemo/Ep4_Intent.kt
rename to app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep4_Intent.kt
index aa12df7..7650857 100644
--- a/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/extDemo/Ep4_Intent.kt
+++ b/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep4_Intent.kt
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.wintmain.foundation.prejob.extDemo
+package com.wintmain.foundation.prejob
 
 import android.content.Intent
 import android.net.Uri
diff --git a/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/extDemo/Ep5_Menu.kt b/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep5_Menu.kt
similarity index 99%
rename from app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/extDemo/Ep5_Menu.kt
rename to app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep5_Menu.kt
index 100af68..976b1a1 100644
--- a/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/extDemo/Ep5_Menu.kt
+++ b/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep5_Menu.kt
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.wintmain.foundation.prejob.extDemo
+package com.wintmain.foundation.prejob
 
 import android.content.res.XmlResourceParser
 import android.graphics.Color
diff --git a/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/extDemo/Ep6_ContentResolver.kt b/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep6_ContentResolver.kt
similarity index 99%
rename from app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/extDemo/Ep6_ContentResolver.kt
rename to app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep6_ContentResolver.kt
index 47fed29..54b71bf 100644
--- a/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/extDemo/Ep6_ContentResolver.kt
+++ b/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep6_ContentResolver.kt
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.wintmain.foundation.prejob.extDemo
+package com.wintmain.foundation.prejob
 
 import android.content.ContentResolver
 import android.content.Context
diff --git a/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/upDemo/Ep7_Runable.kt b/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep7_Runable.kt
similarity index 99%
rename from app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/upDemo/Ep7_Runable.kt
rename to app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep7_Runable.kt
index 6d6308b..433c28a 100644
--- a/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/upDemo/Ep7_Runable.kt
+++ b/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep7_Runable.kt
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.wintmain.foundation.prejob.upDemo
+package com.wintmain.foundation.prejob
 
 import android.media.MediaPlayer
 import android.os.Bundle
diff --git a/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/upDemo/Ep8_Receiver.kt b/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep8_Receiver.kt
similarity index 97%
rename from app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/upDemo/Ep8_Receiver.kt
rename to app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep8_Receiver.kt
index 78ca4fd..a4ec396 100644
--- a/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/upDemo/Ep8_Receiver.kt
+++ b/app-catalog/samples/foundation/src/main/java/com/wintmain/foundation/prejob/Ep8_Receiver.kt
@@ -14,9 +14,8 @@
  * limitations under the License.
  */
 
-package com.wintmain.foundation.prejob.upDemo
+package com.wintmain.foundation.prejob
 
-import android.app.Activity
 import android.content.BroadcastReceiver
 import android.content.ComponentName
 import android.content.Context
@@ -141,7 +140,7 @@ class ep9_3 : AppCompatActivity() {
             intent1.setComponent(
                 ComponentName(
                     "com.wintmain.foundation",
-                    "com.wintmain.foundation.prejob.upDemo.MyBroadcastReceiver"
+                    "com.wintmain.foundation.prejob.MyBroadcastReceiver"
                 )
             )
             sendBroadcast(intent1)
@@ -152,7 +151,7 @@ class ep9_3 : AppCompatActivity() {
             intent2.setComponent(
                 ComponentName(
                     "com.wintmain.foundation",
-                    "com.wintmain.foundation.prejob.upDemo.AnotherBroadcastReceiver"
+                    "com.wintmain.foundation.prejob.AnotherBroadcastReceiver"
                 )
             )
             sendBroadcast(intent2)
diff --git a/app-catalog/samples/foundation/src/main/res/layout-land/ep3_7.xml b/app-catalog/samples/foundation/src/main/res/layout-land/ep3_7.xml
index cc7cda0..5724668 100644
--- a/app-catalog/samples/foundation/src/main/res/layout-land/ep3_7.xml
+++ b/app-catalog/samples/foundation/src/main/res/layout-land/ep3_7.xml
@@ -22,7 +22,7 @@
 
     <fragment
         android:id="@+id/titles"
-        android:name="com.wintmain.foundation.prejob.uiDemo.ListFragment"
+        android:name="com.wintmain.foundation.prejob.ListFragment"
         android:layout_width="0px"
         android:layout_height="match_parent"
         android:layout_weight="1"
diff --git a/app-catalog/samples/foundation/src/main/res/layout/ep3_7.xml b/app-catalog/samples/foundation/src/main/res/layout/ep3_7.xml
index 5ebff75..ce96fc6 100644
--- a/app-catalog/samples/foundation/src/main/res/layout/ep3_7.xml
+++ b/app-catalog/samples/foundation/src/main/res/layout/ep3_7.xml
@@ -22,7 +22,7 @@
 
     <fragment
         android:id="@+id/titles"
-        android:name="com.wintmain.foundation.prejob.uiDemo.ListFragment"
+        android:name="com.wintmain.foundation.prejob.ListFragment"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         tools:ignore="Instantiatable" />