diff --git a/app/src/main/java/com/example/jinyu_rfid/ReadBlueToothActivity.java b/app/src/main/java/com/example/jinyu_rfid/ReadBlueToothActivity.java
index ebeaecf..32d433a 100644
--- a/app/src/main/java/com/example/jinyu_rfid/ReadBlueToothActivity.java
+++ b/app/src/main/java/com/example/jinyu_rfid/ReadBlueToothActivity.java
@@ -46,7 +46,6 @@ import okhttp3.RequestBody;
 
 public class ReadBlueToothActivity extends BaseActivity {
     private ResultAdapter adapter;
-
     private String[] stringArray;
     private List<ReadTyreNoResult> list;
     private ActivityBluetoothReadBinding binding;
@@ -154,13 +153,23 @@ public class ReadBlueToothActivity extends BaseActivity {
         @Override
         public void handleMessage(@NonNull Message msg) {
             super.handleMessage(msg);
-            String receivedData = (String) msg.obj;
-            if (receivedData.substring(0, 2).equals("GR")) {
-                var trim = receivedData.substring(2, receivedData.length()).trim();
+            String receivedData =  msg.obj.toString().trim();
+            if (receivedData.equals("N1")){
+                if (activityType) {
+                    readInfo(null);
+                }else {
+                    readEPCInfo(null);
+                }
+                return;
+            }
+
+
+            if (receivedData.startsWith("GR")) {
+                var trim = receivedData.substring(2);
                 if (activityType) {
                     if (user == null) {
                         user = trim;
-                        // Log.e("TAG", "handleMessage1:" + user);
+                        Log.e("TAG", "handleMessage1:" + user);
                         try {
                             outputStream.write("GR301F3E\r".getBytes());
                         } catch (IOException e) {
@@ -170,9 +179,9 @@ public class ReadBlueToothActivity extends BaseActivity {
                         }
                         return;
                     }
-                    user += receivedData.substring(2, receivedData.length()).trim();
-                    // Log.e("TAG", "handleMessage-:" + "4532383036463132303030303030303234314632323541337E33323433323034303634307E4A494E59557E3338352F36355232322E357E4A593539387E323450527E3338352F36355232322E35203136344B2032345052204A5935393820424C34454A597E4B7E3136347E3535352E307E5F7E5F7E");
-                    // Log.e("TAG", "handleMessage2:" + user);
+                    user += receivedData.substring(2).trim();
+                    Log.e("TAG", "handleMessage-:" + "4532383036463132303030303030303234314632323541337E33323433323034303634307E4A494E59557E3338352F36355232322E357E4A593539387E323450527E3338352F36355232322E35203136344B2032345052204A5935393820424C34454A597E4B7E3136347E3535352E307E5F7E5F7E");
+                    Log.e("TAG", "handleMessage2:" + user);
                     readUserInfo(user);
                     user = null;
                 } else {
@@ -198,7 +207,7 @@ public class ReadBlueToothActivity extends BaseActivity {
     public void readInfo(View view) {
         user = null;
         try {
-            outputStream.write("GR300218\r".getBytes());
+            outputStream.write("GR30003E\r".getBytes());
         } catch (IOException e) {
             // e.printStackTrace();
             Toast.makeText(context, getString(R.string.bluetooth_open_state), Toast.LENGTH_SHORT).show();