diff --git a/app/src/main/java/com/haohanyh/linmengjia/nearlink/nlchat/fun/MainActivity.java b/app/src/main/java/com/haohanyh/linmengjia/nearlink/nlchat/fun/MainActivity.java
index 079b788..8248358 100644
--- a/app/src/main/java/com/haohanyh/linmengjia/nearlink/nlchat/fun/MainActivity.java
+++ b/app/src/main/java/com/haohanyh/linmengjia/nearlink/nlchat/fun/MainActivity.java
@@ -21,8 +21,10 @@
 import android.util.Log;
 import android.util.TypedValue;
 import android.view.Gravity;
+import android.view.KeyEvent;
 import android.view.View;
 import android.view.WindowManager;
+import android.view.inputmethod.EditorInfo;
 import android.widget.CompoundButton;
 import android.widget.EditText;
 import android.widget.RadioButton;
@@ -81,9 +83,10 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
     //主要控件
     private FloatingActionButton btnGO;
     private FloatingActionMenu btnMenu;
-    private com.github.clans.fab.FloatingActionButton btnNearLinkStatus,btnNearLinkSettings,btnNearlinkUart,btnNearlinkDev;
+    private com.github.clans.fab.FloatingActionButton btnNearLinkStatus,btnNearLinkSettings,btnNearLinkUIChanges,btnNearlinkUart,btnNearlinkDev;
     private int clickCountButton_btnNearLinkStatus = 0;  //按钮计数
     private int clickCountButton_btnNearLinkSettings = 0;   //按钮计数
+    private int clickCountButton_btnNearLinkUIChanges = 0;  //按钮计数，切换新旧UI
     private int clickCountButton_btnNearLinkUart = 0;   //按钮计数
     private int clickCountButton_btnNearLinkDev = 0;   //按钮计数
     private CardView CNearLinkStatus,CNearlinkUart,CNearLinkSettings,CNearlinkDev,CTHANKS;
@@ -238,6 +241,17 @@ private void Init() {
         NearLinkUserText = findViewById(id.readText);
         NearLinkMeText = findViewById(id.writeText);
         EditChatSend = findViewById(id.editChatSend);
+        EditChatSend.setOnEditorActionListener(new TextView.OnEditorActionListener() {
+            @Override
+            public boolean onEditorAction(TextView textView, int actionId, KeyEvent keyEvent) {
+                if (actionId == EditorInfo.IME_ACTION_DONE ||
+                        (keyEvent != null && keyEvent.getKeyCode() == KeyEvent.KEYCODE_ENTER && keyEvent.getAction() == KeyEvent.ACTION_DOWN)) {
+                            NearLinkChatSendData(textView);
+                                return true;
+                }
+                return false;
+            }
+        });
 
         CheckBoxUartWarn = findViewById(id.cbUartWarn);
         NearLinkUartWarnToast = CheckBoxUartWarn.isChecked();
@@ -569,6 +583,8 @@ public void NearLinkChatSendData(View view) {
                     }
                     MainAPP.Vibrate(this);
                 }
+                //发送完消息清空待发送文本
+                EditChatSend.setText("");
             });
         }
     }
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 159e16c..d6d82cf 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -130,7 +130,7 @@
                 android:layout_marginTop="35dp"
                 android:layout_marginRight="15dp"
                 android:layout_marginBottom="15dp"
-                android:visibility="visible"
+                android:visibility="gone"
                 app:cardCornerRadius="4dp"
                 app:cardElevation="18dp">
 
@@ -212,6 +212,7 @@
                             android:layout_marginBottom="10dp"
                             android:layout_weight="8"
                             android:textColor="@color/blue_biaozhun_logowai"
+                            android:singleLine="true"
                             tools:ignore="HardcodedText" />
 
                         <com.google.android.material.button.MaterialButton
@@ -1140,6 +1141,17 @@
             app:fab_shadowColor="@color/Pink_is_fancy"
             app:fab_size="mini" />
 
+        <com.github.clans.fab.FloatingActionButton
+            android:id="@+id/menu_labels_right_btn_nearlink_uichanges"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:src="@drawable/ic_baseline_done_all_24"
+            app:fab_colorNormal="@color/blue_biaozhun_logowai_transparent"
+            app:fab_colorPressed="@color/blue_biaozhun_logowai"
+            app:fab_label="UIChanges 聊天UI切换"
+            app:fab_shadowColor="@color/Pink_is_fancy"
+            app:fab_size="mini" />
+
         <com.github.clans.fab.FloatingActionButton
             android:id="@+id/menu_labels_right_btn_nearlink_uart"
             android:layout_width="wrap_content"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index b6d5330..a3765bc 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,7 +1,7 @@
 <resources>
     <string name="app_name">NLChat</string>
     <string name="app_package">com.haohanyh.linmengjia.nearlink.nlchat.fun</string>
-    <string name="app_version">1.3.52.2024.0705</string>
+    <string name="app_version">1.3.56.2024.0706</string>
 
     <string name="appwarn">NLChat，浩瀚银河宗旨为用爱和魔法创造Android APP。</string>
     <string name="thanks3q">友情感谢</string>