diff --git a/doc/21组贡献度表格.xlsx b/doc/21组贡献度表格.xlsx
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diff --git a/doc/developer test.txt b/doc/developer test.txt
new file mode 100644
index 0000000..d599f7b
--- /dev/null
+++ b/doc/developer test.txt	
@@ -0,0 +1 @@
+this is a developer test txt  Only developer see it
\ No newline at end of file
diff --git a/doc/软件工程实践项目贡献度文档.docx b/doc/软件工程实践项目贡献度文档.docx
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diff --git a/other/小米便签维护_项目个人总结报告_230340173庄昊伦.docx b/other/小米便签维护_项目个人总结报告_230340173庄昊伦.docx
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diff --git a/other/小米便签阅读与维护-总结报告230340181朱瑛杰(1).docx b/other/小米便签阅读与维护-总结报告230340181朱瑛杰(1).docx
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diff --git a/other/小米便签阅读与维护-汇报(1).pptx b/other/小米便签阅读与维护-汇报(1).pptx
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diff --git a/other/软件工程实践项目个人实践报告 230340185 李云龙.docx b/other/软件工程实践项目个人实践报告 230340185 李云龙.docx
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diff --git a/src/note_but_github/app/src/main/res/layout/recycle_bin.xml b/src/note_but_github/app/src/main/res/layout/recycle_bin.xml
new file mode 100644
index 0000000..f4f1548
--- /dev/null
+++ b/src/note_but_github/app/src/main/res/layout/recycle_bin.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent">
+
+    <LinearLayout
+        android:layout_width="fill_parent"
+        android:layout_height="fill_parent"
+        android:orientation="vertical"
+        tools:ignore="UselessParent">
+
+        <ListView
+            android:id="@+id/recycle_bin"
+            android:layout_width="fill_parent"
+            android:layout_height="0dip"
+            android:layout_weight="1"
+            android:cacheColorHint="@null"
+            android:listSelector="@android:color/transparent"
+            android:divider="@null"
+            android:fadingEdge="none" />
+    </LinearLayout>
+
+</FrameLayout>
\ No newline at end of file
diff --git a/src/note_but_github/app/src/main/res/menu/recyclebin_options.xml b/src/note_but_github/app/src/main/res/menu/recyclebin_options.xml
new file mode 100644
index 0000000..d527f8e
--- /dev/null
+++ b/src/note_but_github/app/src/main/res/menu/recyclebin_options.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/select_all"
+        android:title="@android:string/selectAll"
+        android:icon="@drawable/select_all"
+        android:showAsAction="always"/>
+
+    <item
+        android:id="@+id/recover"
+        android:title="@string/recover"
+        android:icon="@drawable/recover"
+        android:showAsAction="always" />
+
+    <item
+        android:id="@+id/realdelete"
+        android:title="@string/realdelete"
+        android:icon="@drawable/menu_delete"
+        android:showAsAction="always" />
+
+
+</menu>
\ No newline at end of file