diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index b9b9fc0..f8b81d8 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -19,7 +19,8 @@
         tools:targetApi="31">
         <activity
             android:name=".WriteUserActivity"
-            android:exported="true" >
+            android:exported="true"
+            android:label="读写user">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
@@ -43,11 +44,11 @@
         <activity
             android:name=".HomeActivity"
             android:exported="true">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
+<!--            <intent-filter>-->
+<!--                <action android:name="android.intent.action.MAIN" />-->
 
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
+<!--                <category android:name="android.intent.category.LAUNCHER" />-->
+<!--            </intent-filter>-->
         </activity>
         <activity
             android:name=".HomeActivity2"
diff --git a/app/src/main/java/com/example/writeepc/MainActivity.java b/app/src/main/java/com/example/writeepc/MainActivity.java
index 9106cdf..7a4a84d 100644
--- a/app/src/main/java/com/example/writeepc/MainActivity.java
+++ b/app/src/main/java/com/example/writeepc/MainActivity.java
@@ -142,5 +142,6 @@ public class MainActivity extends AppCompatActivity {
         // uhfrManager.asyncStopReading();
         uhfrManager.close();
         uhfrManager = null;
+
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/example/writeepc/WriteUserActivity.java b/app/src/main/java/com/example/writeepc/WriteUserActivity.java
index 5c48328..e00ccf1 100644
--- a/app/src/main/java/com/example/writeepc/WriteUserActivity.java
+++ b/app/src/main/java/com/example/writeepc/WriteUserActivity.java
@@ -3,6 +3,7 @@ package com.example.writeepc;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.View;
+import android.widget.Toast;
 
 import androidx.databinding.DataBindingUtil;
 
@@ -17,9 +18,10 @@ public class WriteUserActivity extends BaseActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         binding = DataBindingUtil.setContentView(this, R.layout.activity_write_user);
-        infoData=new InfoData();
+        infoData = new InfoData();
         binding.setData(infoData);
         initUHFRManager(5);
+        initReceiver();
     }
 
     @Override
@@ -29,7 +31,17 @@ public class WriteUserActivity extends BaseActivity {
     }
 
     public void writeUser(View view) {
-
+        String writeData = infoData.getWriteUser();
+        if (writeData == null || writeData.isEmpty()) {
+            Toast.makeText(this, "请输入要写入的数据", Toast.LENGTH_SHORT).show();
+            return;
+        }
+        if (writeData.length() % 4 != 0) {
+            Toast.makeText(this, "请输入4字数据", Toast.LENGTH_SHORT).show();
+            return;
+        }
+        Log.e("TAG", "writeUser:" + ASCIIUtil.str2Hex(writeData));
+        writeUserData(ASCIIUtil.str2Hex(writeData));
     }
 
     public void readUser(View view) {
@@ -43,12 +55,10 @@ public class WriteUserActivity extends BaseActivity {
     }
 
 
-
-
-
-
-
-
+    @Override
+    public void receiverSan() {
+        this.readUser(null);
+    }
 
     @Override
     protected void onDestroy() {
@@ -57,6 +67,9 @@ public class WriteUserActivity extends BaseActivity {
             uhfrManager.close();
             uhfrManager = null;
         }
+        if (myReceiver != null) {
+            unregisterReceiver(myReceiver);
+        }
 
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/example/writeepc/base/BaseActivity.java b/app/src/main/java/com/example/writeepc/base/BaseActivity.java
index 1ee353d..4118514 100644
--- a/app/src/main/java/com/example/writeepc/base/BaseActivity.java
+++ b/app/src/main/java/com/example/writeepc/base/BaseActivity.java
@@ -1,6 +1,10 @@
 package com.example.writeepc.base;
 
 import android.app.ProgressDialog;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
 import android.media.MediaPlayer;
 import android.os.Bundle;
 import android.util.Log;
@@ -27,15 +31,22 @@ public class BaseActivity extends AppCompatActivity {
     public TipsDialog tipsDialog;
     public MediaType mediaType = MediaType.parse("text/xml; charset=utf-8");
     public Gson gson;
+    public MyReceiver myReceiver;
 
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        tipsDialog = new TipsDialog(this);
-        gson = new Gson();
+        // tipsDialog = new TipsDialog(this);
+        // gson = new Gson();
 
     }
 
+    public void initReceiver() {
+        myReceiver = new MyReceiver();
+        IntentFilter intentFilter = new IntentFilter();
+        intentFilter.addAction("android.rfid.FUN_KEY");
+        registerReceiver(myReceiver, intentFilter);
+    }
 
     public void initDialog() {
         dialog = new ProgressDialog(this);
@@ -70,7 +81,6 @@ public class BaseActivity extends AppCompatActivity {
 
     }
 
-
     // 1- 读取TID
     public void readTid() {
         byte[] rdata = new byte[12];
@@ -118,11 +128,38 @@ public class BaseActivity extends AppCompatActivity {
 
     }
 
+    public void writeUserData(String writeData) {
+        byte[] bytes = Tools.HexString2Bytes(writeData);
+        Reader.READER_ERR readerErr = uhfrManager.writeTagData((char) 3, 0,
+                bytes, bytes.length, accesspwd, timeOut);
+        Log.e("TAG", "写入状态:" + readerErr.name());
+        if (readerErr == Reader.READER_ERR.MT_OK_ERR) {
+            music.start();
+            Toast.makeText(this, "写入成功", Toast.LENGTH_SHORT).show();
+        } else {
+            Toast.makeText(this, "写入失败", Toast.LENGTH_SHORT).show();
+        }
+    }
 
     protected void readTidReault(boolean readState, String result, byte[] rdata) {
 
     }
 
+    public void receiverSan() {
+    }
+
+    public class MyReceiver extends BroadcastReceiver {
+
+        @Override
+        public void onReceive(Context context, Intent intent) {
+
+            var keydown = intent.getBooleanExtra("keydown", false);
+            if (!keydown) {
+                receiverSan();
+            }
+        }
+    }
+
     // @Override
     // protected void onDestroy() {
     //     super.onDestroy();