diff --git a/soft1614080902117/app/src/main/java/edu/hzuapps/androidlabs/soft1614080902117/Soft1614080902117Activity.java b/soft1614080902117/app/src/main/java/edu/hzuapps/androidlabs/soft1614080902117/Soft1614080902117Activity.java
index a6d0b9132..70af752fc 100644
--- a/soft1614080902117/app/src/main/java/edu/hzuapps/androidlabs/soft1614080902117/Soft1614080902117Activity.java
+++ b/soft1614080902117/app/src/main/java/edu/hzuapps/androidlabs/soft1614080902117/Soft1614080902117Activity.java
@@ -1,30 +1,67 @@
 package edu.hzuapps.androidlabs.soft1614080902117;
+
 import android.content.Intent;
 
 import android.os.Bundle;
+
 import android.view.View;
-import android.view.View.OnClickListener;
+
 import android.widget.Button;
 import android.app.Activity;
 
+import java.io.BufferedReader;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.lang.String;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
 
 public class Soft1614080902117Activity extends Activity {
+    String[]  adapterData;
 
-    Button button = null;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_soft1614080902117);
-
-        button = (Button)findViewById(R.id.button);
-        button.setOnClickListener(new OnClickListener() {
+        final ListView listView = (ListView)findViewById(R.id.listView);
+        adapterData = new String[] {load()};
+        ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>
+                ( Soft1614080902117Activity.this, android.R.layout.simple_list_item_1, adapterData);
+        listView.setAdapter(arrayAdapter);
+        final Activity  thisActivity = this;
+        Button  btnHome = (Button)findViewById(R.id.button);
+        btnHome.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                Intent intent = new Intent();
-                intent.setClass(Soft1614080902117Activity.this,Soft1614080902117Activity1.class);
-                startActivity(intent);
+                Intent intent = new Intent(thisActivity,Soft1614080902117Activity1.class);
+                thisActivity.startActivity(intent);
             }
         });
     }
+    public String load(){                                           //读取文件
+        FileInputStream in =null;
+        BufferedReader reader = null;
+        StringBuilder content = new StringBuilder();
+        try {
+            in = openFileInput("data");
+            reader = new BufferedReader(new InputStreamReader(in));
+            String line = "";
+            while ((line=reader.readLine())!= null){
+                content.append(line);
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }finally {
+            if(reader!=null){
+                try {
+                    reader.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+        return content.toString();
+    }
 }
diff --git a/soft1614080902117/app/src/main/java/edu/hzuapps/androidlabs/soft1614080902117/Soft1614080902117Activity1.java b/soft1614080902117/app/src/main/java/edu/hzuapps/androidlabs/soft1614080902117/Soft1614080902117Activity1.java
index 58ffd5e34..25543ea9d 100644
--- a/soft1614080902117/app/src/main/java/edu/hzuapps/androidlabs/soft1614080902117/Soft1614080902117Activity1.java
+++ b/soft1614080902117/app/src/main/java/edu/hzuapps/androidlabs/soft1614080902117/Soft1614080902117Activity1.java
@@ -1,26 +1,67 @@
 package edu.hzuapps.androidlabs.soft1614080902117;
-import android.content.Intent;
+
+
 import android.app.Activity;
+import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
-import android.view.View.OnClickListener;
+import java.io.BufferedWriter;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+import java.lang.String;
+import android.widget.EditText;
+
+
 public class Soft1614080902117Activity1 extends Activity {
 
-    Button button = null;
+    private EditText editText;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_soft16140809021171);
+        final Activity thisActivity = this;
+        Button btnBack = (Button)findViewById(R.id.button3);
+        Button btnJoin= (Button)findViewById(R.id.button4);
+        editText = (EditText)findViewById(R.id.editText);
 
-        button = (Button)findViewById(R.id.button4);
-        button.setOnClickListener(new OnClickListener() {
+        btnBack.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(thisActivity,Soft1614080902117Activity.class);
+                thisActivity.startActivity(intent);
+            }
+        });
+        btnJoin.setOnClickListener(new View.OnClickListener() {   //添加保存文件
             @Override
             public void onClick(View v) {
-                Intent intent = new Intent();
-                intent.setClass(Soft1614080902117Activity1.this,Soft1614080902117Activity.class);
-                startActivity(intent);
+                String  inputText = editText.getText().toString();
+                save(inputText);
+                Intent intent = new Intent(thisActivity,Soft1614080902117Activity.class);
+                thisActivity.startActivity(intent);
             }
         });
     }
-}
+
+    public void save(String inputText){
+        FileOutputStream out;
+        BufferedWriter  writer = null;
+        try {
+            out = openFileOutput("data", MODE_PRIVATE);
+            writer = new BufferedWriter(new OutputStreamWriter(out));
+            writer.write(inputText);
+        } catch (IOException e) {
+            e.printStackTrace();
+        } finally {
+            try {
+                if(writer!=null){
+                    writer.close();
+                }
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/soft1614080902117/shiyan5.1.png b/soft1614080902117/shiyan5.1.png
new file mode 100644
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diff --git a/soft1614080902117/shiyan5.2.png b/soft1614080902117/shiyan5.2.png
new file mode 100644
index 000000000..8111420b3
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