diff --git a/.idea/misc.xml b/.idea/misc.xml
index 3149d10031..adb58a3688 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -11,6 +11,7 @@
   <component name="DesignSurface">
     <option name="filePathToZoomLevelMap">
       <map>
+        <entry key="../../../../../../layout/custom_preview.xml" value="0.390625" />
         <entry key="../../../../../layout/custom_preview.xml" value="0.19947916666666668" />
         <entry key="modules/mogo-module-extensions/src/main/res/layout/camera_push_live_video.xml" value="0.27447916666666666" />
         <entry key="modules/mogo-module-extensions/src/main/res/layout/camera_view_video_layout_normal.xml" value="0.27447916666666666" />
diff --git a/modules/mogo-module-extensions/src/main/java/com/mogo/module/extensions/entrance/EntranceFragment.java b/modules/mogo-module-extensions/src/main/java/com/mogo/module/extensions/entrance/EntranceFragment.java
index 4b78c46ace..0427b49c7f 100644
--- a/modules/mogo-module-extensions/src/main/java/com/mogo/module/extensions/entrance/EntranceFragment.java
+++ b/modules/mogo-module-extensions/src/main/java/com/mogo/module/extensions/entrance/EntranceFragment.java
@@ -19,7 +19,6 @@ import android.widget.EditText;
 import android.widget.FrameLayout;
 import android.widget.ImageButton;
 import android.widget.ImageView;
-import android.widget.LinearLayout;
 import android.widget.RadioButton;
 import android.widget.TextView;
 
@@ -68,7 +67,7 @@ import com.mogo.module.extensions.utils.EntranceViewHolder;
 import com.mogo.module.extensions.utils.NoMapTopViewShaderHelper;
 import com.mogo.module.extensions.utils.TopViewAnimHelper;
 import com.mogo.module.extensions.utils.TopViewNoLinkageAnimHelper;
-import com.mogo.module.extensions.view.ArcView;
+import com.mogo.module.extensions.view.SpeedChartView;
 import com.mogo.module.service.receiver.MogoReceiver;
 import com.mogo.module.share.manager.ServiceApisManager;
 import com.mogo.service.IMogoServiceApis;
@@ -99,7 +98,6 @@ import java.util.Locale;
 import java.util.Map;
 import java.util.Random;
 
-import static android.content.Intent.ACTION_VIEW;
 import static com.mogo.module.common.utils.SPConst.getSPGuideRecord;
 import static com.mogo.module.common.utils.SPConst.getSpGuide;
 import static com.mogo.module.extensions.ExtensionsModuleConst.TYPE_ENTRANCE;
@@ -208,7 +206,7 @@ public class EntranceFragment extends MvpFragment<EntranceView, EntrancePresente
 
 
     private FrameLayout flSpeed;
-    private ArcView mouduleArc;
+    private SpeedChartView mouduleArc;
     private ConstraintLayout clTrafficLight;
     private TextView tvYellow;
     private TextView tvRed;
@@ -369,7 +367,7 @@ public class EntranceFragment extends MvpFragment<EntranceView, EntrancePresente
         MyLocationUtil.setMyLocationIconUrl(getContext());
 
         flSpeed = (FrameLayout) findViewById(R.id.fl_speed);
-        mouduleArc = (ArcView) findViewById(R.id.moudule_arc);
+        mouduleArc = (SpeedChartView) findViewById(R.id.moudule_arc);
         if (DebugConfig.isDebug()) {
             mouduleArc.setLongClickable(true);
             mouduleArc.setOnLongClickListener(v -> {
diff --git a/modules/mogo-module-extensions/src/main/java/com/mogo/module/extensions/view/ArcView.java b/modules/mogo-module-extensions/src/main/java/com/mogo/module/extensions/view/SpeedChartView.java
similarity index 95%
rename from modules/mogo-module-extensions/src/main/java/com/mogo/module/extensions/view/ArcView.java
rename to modules/mogo-module-extensions/src/main/java/com/mogo/module/extensions/view/SpeedChartView.java
index 54d1a43529..ab85243ef1 100644
--- a/modules/mogo-module-extensions/src/main/java/com/mogo/module/extensions/view/ArcView.java
+++ b/modules/mogo-module-extensions/src/main/java/com/mogo/module/extensions/view/SpeedChartView.java
@@ -21,10 +21,10 @@ import com.mogo.module.extensions.R;
  * created by wujifei on 2021/3/24 16:20
  * describe:
  */
-public class ArcView extends View {
+public class SpeedChartView extends View {
 
     //中心的文字描述
-    private String mDes = "km/h";
+    private String mDes = "KM/H";
     //根据数据显示的圆弧Paint
     private Paint mArcPaint;
     //圆弧颜色
@@ -45,15 +45,15 @@ public class ArcView extends View {
     //上次绘制圆弧夹角
     private float lastAngle = 0;
 
-    public ArcView(Context context) {
+    public SpeedChartView(Context context) {
         this(context, null);
     }
 
-    public ArcView(Context context, @Nullable AttributeSet attrs) {
+    public SpeedChartView(Context context, @Nullable AttributeSet attrs) {
         this(context, attrs, 0);
     }
 
-    public ArcView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
+    public SpeedChartView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
     }
 
diff --git a/modules/mogo-module-extensions/src/main/res/layout/module_ext_layout_entrance.xml b/modules/mogo-module-extensions/src/main/res/layout/module_ext_layout_entrance.xml
index 611d65ddbd..d91b38ebd2 100644
--- a/modules/mogo-module-extensions/src/main/res/layout/module_ext_layout_entrance.xml
+++ b/modules/mogo-module-extensions/src/main/res/layout/module_ext_layout_entrance.xml
@@ -37,7 +37,7 @@
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintTop_toTopOf="parent">
 
-        <com.mogo.module.extensions.view.ArcView
+        <com.mogo.module.extensions.view.SpeedChartView
             android:id="@+id/moudule_arc"
             android:layout_width="@dimen/module_ext_arcView_width"
             android:layout_height="@dimen/module_ext_arcView_height"