diff --git a/app/src/main/java/com/casic/endoscope/view/MainActivity.kt b/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
index 7fae476..5834b2a 100644
--- a/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
+++ b/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
@@ -648,12 +648,12 @@
         override fun onReceiveMessage(bluetoothGatt: BluetoothGatt?, value: ByteArray) {
             //[97, 97, 32, 48, 49, 32, 48, 48, 32, 48, 48, 32, 48, 48, 32, 48, 100, 32, 53, 53, 32]
             if (value.check()) {
-                //解析返回值
-                val density = value.convertValue()
-                //将数据保存在数据库
-                DataBaseManager.get.saveGasDensity(density)
                 /***将值渲染到曲线图****************************************************************/
                 lifecycleScope.launch(Dispatchers.Main) {
+                    //解析返回值
+                    val density = value.convertValue()
+                    //将数据保存在数据库
+//                    DataBaseManager.get.saveGasDensity(density)
                     //时间作为X轴
                     xAxisLabels.add(System.currentTimeMillis().timestampToTime())
 

diff --git a/app/src/main/java/com/casic/endoscope/view/MainActivity.kt b/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
index 7fae476..5834b2a 100644
--- a/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
+++ b/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
@@ -648,12 +648,12 @@
         override fun onReceiveMessage(bluetoothGatt: BluetoothGatt?, value: ByteArray) {
             //[97, 97, 32, 48, 49, 32, 48, 48, 32, 48, 48, 32, 48, 48, 32, 48, 100, 32, 53, 53, 32]
             if (value.check()) {
-                //解析返回值
-                val density = value.convertValue()
-                //将数据保存在数据库
-                DataBaseManager.get.saveGasDensity(density)
                 /***将值渲染到曲线图****************************************************************/
                 lifecycleScope.launch(Dispatchers.Main) {
+                    //解析返回值
+                    val density = value.convertValue()
+                    //将数据保存在数据库
+//                    DataBaseManager.get.saveGasDensity(density)
                     //时间作为X轴
                     xAxisLabels.add(System.currentTimeMillis().timestampToTime())
 
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 4c07edc..ab704fa 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -115,13 +115,15 @@
                         android:textSize="@dimen/sp_16" />
                 </LinearLayout>
 
+                <!-- TODO 暂时隐藏 -->
                 <TextView
                     android:id="@+id/outputDataView"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:text="导出浓度"
                     android:textColor="@color/black"
-                    android:textSize="@dimen/sp_16" />
+                    android:textSize="@dimen/sp_16"
+                    android:visibility="gone" />
             </LinearLayout>
 
             <androidx.cardview.widget.CardView
@@ -209,7 +211,7 @@
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         android:layout_marginHorizontal="@dimen/dp_10"
-                        android:layout_marginVertical="@dimen/dp_5"
+                        android:layout_marginTop="@dimen/dp_5"
                         android:orientation="horizontal">
 
                         <TextView
@@ -245,8 +247,8 @@
 
                             <ImageButton
                                 android:id="@+id/upScaleButton"
-                                android:layout_width="@dimen/dp_60"
-                                android:layout_height="@dimen/dp_60"
+                                android:layout_width="@dimen/dp_65"
+                                android:layout_height="@dimen/dp_65"
                                 android:layout_centerHorizontal="true"
                                 android:layout_margin="@dimen/dp_7"
                                 android:background="@drawable/selector_scale_button"
@@ -254,8 +256,8 @@
 
                             <ImageButton
                                 android:id="@+id/downScaleButton"
-                                android:layout_width="@dimen/dp_60"
-                                android:layout_height="@dimen/dp_60"
+                                android:layout_width="@dimen/dp_65"
+                                android:layout_height="@dimen/dp_65"
                                 android:layout_alignParentBottom="true"
                                 android:layout_centerHorizontal="true"
                                 android:layout_margin="@dimen/dp_7"
@@ -272,8 +274,8 @@
 
                             <ImageButton
                                 android:id="@+id/topButton"
-                                android:layout_width="@dimen/dp_60"
-                                android:layout_height="@dimen/dp_60"
+                                android:layout_width="@dimen/dp_65"
+                                android:layout_height="@dimen/dp_65"
                                 android:layout_centerHorizontal="true"
                                 android:layout_margin="@dimen/dp_7"
                                 android:background="@drawable/selector_scale_button"
@@ -281,16 +283,16 @@
 
                             <ImageButton
                                 android:id="@+id/centerButton"
-                                android:layout_width="@dimen/dp_60"
-                                android:layout_height="@dimen/dp_60"
+                                android:layout_width="@dimen/dp_65"
+                                android:layout_height="@dimen/dp_65"
                                 android:layout_centerInParent="true"
                                 android:background="@drawable/selector_scale_button"
                                 android:src="@drawable/ic_off" />
 
                             <ImageButton
                                 android:id="@+id/bottomButton"
-                                android:layout_width="@dimen/dp_60"
-                                android:layout_height="@dimen/dp_60"
+                                android:layout_width="@dimen/dp_65"
+                                android:layout_height="@dimen/dp_65"
                                 android:layout_alignParentBottom="true"
                                 android:layout_centerHorizontal="true"
                                 android:layout_margin="@dimen/dp_7"
@@ -309,8 +311,8 @@
 
                             <ImageButton
                                 android:id="@+id/imageButton"
-                                android:layout_width="@dimen/dp_60"
-                                android:layout_height="@dimen/dp_60"
+                                android:layout_width="@dimen/dp_65"
+                                android:layout_height="@dimen/dp_65"
                                 android:layout_centerHorizontal="true"
                                 android:layout_margin="@dimen/dp_7"
                                 android:background="@drawable/selector_scale_button"
@@ -318,16 +320,16 @@
 
                             <ImageButton
                                 android:id="@+id/videoButton"
-                                android:layout_width="@dimen/dp_60"
-                                android:layout_height="@dimen/dp_60"
+                                android:layout_width="@dimen/dp_65"
+                                android:layout_height="@dimen/dp_65"
                                 android:layout_centerInParent="true"
                                 android:background="@drawable/selector_scale_button"
                                 android:src="@drawable/ic_camera" />
 
                             <ImageButton
                                 android:id="@+id/resetButton"
-                                android:layout_width="@dimen/dp_60"
-                                android:layout_height="@dimen/dp_60"
+                                android:layout_width="@dimen/dp_65"
+                                android:layout_height="@dimen/dp_65"
                                 android:layout_alignParentBottom="true"
                                 android:layout_centerHorizontal="true"
                                 android:layout_margin="@dimen/dp_7"

diff --git a/app/src/main/java/com/casic/endoscope/view/MainActivity.kt b/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
index 7fae476..5834b2a 100644
--- a/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
+++ b/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
@@ -648,12 +648,12 @@
         override fun onReceiveMessage(bluetoothGatt: BluetoothGatt?, value: ByteArray) {
             //[97, 97, 32, 48, 49, 32, 48, 48, 32, 48, 48, 32, 48, 48, 32, 48, 100, 32, 53, 53, 32]
             if (value.check()) {
-                //解析返回值
-                val density = value.convertValue()
-                //将数据保存在数据库
-                DataBaseManager.get.saveGasDensity(density)
                 /***将值渲染到曲线图****************************************************************/
                 lifecycleScope.launch(Dispatchers.Main) {
+                    //解析返回值
+                    val density = value.convertValue()
+                    //将数据保存在数据库
+//                    DataBaseManager.get.saveGasDensity(density)
                     //时间作为X轴
                     xAxisLabels.add(System.currentTimeMillis().timestampToTime())
 
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 4c07edc..ab704fa 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -115,13 +115,15 @@
                         android:textSize="@dimen/sp_16" />
                 </LinearLayout>
 
+                <!-- TODO 暂时隐藏 -->
                 <TextView
                     android:id="@+id/outputDataView"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:text="导出浓度"
                     android:textColor="@color/black"
-                    android:textSize="@dimen/sp_16" />
+                    android:textSize="@dimen/sp_16"
+                    android:visibility="gone" />
             </LinearLayout>
 
             <androidx.cardview.widget.CardView
@@ -209,7 +211,7 @@
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         android:layout_marginHorizontal="@dimen/dp_10"
-                        android:layout_marginVertical="@dimen/dp_5"
+                        android:layout_marginTop="@dimen/dp_5"
                         android:orientation="horizontal">
 
                         <TextView
@@ -245,8 +247,8 @@
 
                             <ImageButton
                                 android:id="@+id/upScaleButton"
-                                android:layout_width="@dimen/dp_60"
-                                android:layout_height="@dimen/dp_60"
+                                android:layout_width="@dimen/dp_65"
+                                android:layout_height="@dimen/dp_65"
                                 android:layout_centerHorizontal="true"
                                 android:layout_margin="@dimen/dp_7"
                                 android:background="@drawable/selector_scale_button"
@@ -254,8 +256,8 @@
 
                             <ImageButton
                                 android:id="@+id/downScaleButton"
-                                android:layout_width="@dimen/dp_60"
-                                android:layout_height="@dimen/dp_60"
+                                android:layout_width="@dimen/dp_65"
+                                android:layout_height="@dimen/dp_65"
                                 android:layout_alignParentBottom="true"
                                 android:layout_centerHorizontal="true"
                                 android:layout_margin="@dimen/dp_7"
@@ -272,8 +274,8 @@
 
                             <ImageButton
                                 android:id="@+id/topButton"
-                                android:layout_width="@dimen/dp_60"
-                                android:layout_height="@dimen/dp_60"
+                                android:layout_width="@dimen/dp_65"
+                                android:layout_height="@dimen/dp_65"
                                 android:layout_centerHorizontal="true"
                                 android:layout_margin="@dimen/dp_7"
                                 android:background="@drawable/selector_scale_button"
@@ -281,16 +283,16 @@
 
                             <ImageButton
                                 android:id="@+id/centerButton"
-                                android:layout_width="@dimen/dp_60"
-                                android:layout_height="@dimen/dp_60"
+                                android:layout_width="@dimen/dp_65"
+                                android:layout_height="@dimen/dp_65"
                                 android:layout_centerInParent="true"
                                 android:background="@drawable/selector_scale_button"
                                 android:src="@drawable/ic_off" />
 
                             <ImageButton
                                 android:id="@+id/bottomButton"
-                                android:layout_width="@dimen/dp_60"
-                                android:layout_height="@dimen/dp_60"
+                                android:layout_width="@dimen/dp_65"
+                                android:layout_height="@dimen/dp_65"
                                 android:layout_alignParentBottom="true"
                                 android:layout_centerHorizontal="true"
                                 android:layout_margin="@dimen/dp_7"
@@ -309,8 +311,8 @@
 
                             <ImageButton
                                 android:id="@+id/imageButton"
-                                android:layout_width="@dimen/dp_60"
-                                android:layout_height="@dimen/dp_60"
+                                android:layout_width="@dimen/dp_65"
+                                android:layout_height="@dimen/dp_65"
                                 android:layout_centerHorizontal="true"
                                 android:layout_margin="@dimen/dp_7"
                                 android:background="@drawable/selector_scale_button"
@@ -318,16 +320,16 @@
 
                             <ImageButton
                                 android:id="@+id/videoButton"
-                                android:layout_width="@dimen/dp_60"
-                                android:layout_height="@dimen/dp_60"
+                                android:layout_width="@dimen/dp_65"
+                                android:layout_height="@dimen/dp_65"
                                 android:layout_centerInParent="true"
                                 android:background="@drawable/selector_scale_button"
                                 android:src="@drawable/ic_camera" />
 
                             <ImageButton
                                 android:id="@+id/resetButton"
-                                android:layout_width="@dimen/dp_60"
-                                android:layout_height="@dimen/dp_60"
+                                android:layout_width="@dimen/dp_65"
+                                android:layout_height="@dimen/dp_65"
                                 android:layout_alignParentBottom="true"
                                 android:layout_centerHorizontal="true"
                                 android:layout_margin="@dimen/dp_7"
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index 184d22d..e7e6cb6 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -28,6 +28,7 @@
     <dimen name="dp_50">50dp</dimen>
     <dimen name="dp_55">55dp</dimen>
     <dimen name="dp_60">60dp</dimen>
+    <dimen name="dp_65">65dp</dimen>
     <dimen name="dp_70">70dp</dimen>
     <dimen name="dp_75">75dp</dimen>
     <dimen name="dp_80">80dp</dimen>