diff --git a/app/src/main/java/com/sw/dualscreen/presentation/SecondaryScreenPresentation.kt b/app/src/main/java/com/sw/dualscreen/presentation/SecondaryScreenPresentation.kt
index e24f8cf..f05f518 100644
--- a/app/src/main/java/com/sw/dualscreen/presentation/SecondaryScreenPresentation.kt
+++ b/app/src/main/java/com/sw/dualscreen/presentation/SecondaryScreenPresentation.kt
@@ -93,14 +93,13 @@ class SecondaryScreenPresentation(
         window?.setBackgroundDrawableResource(android.R.color.transparent)
         initView()
         setupArcCamera()
-//        binding.includeUserHeat.ivHeat.showText("1070千卡")
         registerDataChange()
     }
 
     private fun registerDataChange() {
         activity.lifecycleScope.launch {
             viewModel.loadFaceResult.collect { needUpdate ->
-                if (needUpdate){
+                if (needUpdate) {
                     recognizeViewModel.refreshFaceList()
                 }
             }
@@ -286,7 +285,9 @@ class SecondaryScreenPresentation(
         mealPickupMode = mode
     }
 
-    private fun calculateNutrition(weight: Double) {
+    private fun calculateNutrition(weight1: Double) {
+        var weight = weight1
+        if (weight < 0) weight = 0.0
         debouncer.debounce {
             Timber.d("calculateNutrition weight = $weight, recognitionWeight = $recognitionWeight")
             val dinnerType = dinnerTypeInfo!!.dinnerType!!.dinnerType!!
@@ -312,43 +313,76 @@ class SecondaryScreenPresentation(
                 )
                 var maxKcal = totalKcal.max
                 Timber.d("maxKcal = $maxKcal")
+                // 避免0作为被除数
                 if (maxKcal <= 0.0) {
-                    maxKcal = 100.0
+                    maxKcal = 1.0
                 }
                 Timber.d("maxKcal 1 = $maxKcal")
                 itemUserNutritionBinding.totalKcalTv.text = totalKcal.current.format2String()
+                var totalKcalHeight = (totalKcal.current / maxKcal).toFloat()
+                if (totalKcalHeight == 0F) {
+                    itemUserNutritionBinding.divKcalView.visibility = View.VISIBLE
+                } else {
+                    itemUserNutritionBinding.divKcalView.visibility = View.GONE
+                    totalKcalHeight += 0.1F
+                }
                 itemUserNutritionBinding.customKcalColumn.setCustomHeightPercent(
-                    (totalKcal.current / maxKcal).toFloat(),
+                    totalKcalHeight,
                     true
                 )
+
                 // 设置主食
                 itemUserNutritionBinding.customFoodColumn.setImageDrawable(
                     false,
                     grain.max < grain.current
                 )
                 itemUserNutritionBinding.totalFoodTv.text = grain.current.format2String()
+                var grainHeight = (grain.current / columnMax).toFloat()
+                if (grainHeight == 0F) {
+                    itemUserNutritionBinding.divTotalFoodView.visibility = View.VISIBLE
+                } else {
+                    itemUserNutritionBinding.divTotalFoodView.visibility = View.GONE
+                    grainHeight += 0.1F
+                }
                 itemUserNutritionBinding.customFoodColumn.setCustomHeightPercent(
-                    (grain.current / columnMax).toFloat(),
+                    grainHeight,
                     true
                 )
+
                 // 设置果蔬
                 itemUserNutritionBinding.customVegetableColumn.setImageDrawable(
                     false,
                     fruits.max < fruits.current
                 )
                 itemUserNutritionBinding.totalVegetableTv.text = fruits.current.format2String()
+                var fruitsHeight = (fruits.current / columnMax).toFloat()
+
+                if (fruitsHeight == 0F) {
+                    itemUserNutritionBinding.divVegetableView.visibility = View.VISIBLE
+                } else {
+                    itemUserNutritionBinding.divVegetableView.visibility = View.GONE
+                    fruitsHeight += 0.1F
+                }
                 itemUserNutritionBinding.customVegetableColumn.setCustomHeightPercent(
-                    (fruits.current / columnMax).toFloat(),
+                    fruitsHeight,
                     true
                 )
+
                 // 设置肉蛋
                 itemUserNutritionBinding.customMeatColumn.setImageDrawable(
                     false,
                     meat.max < meat.current
                 )
                 itemUserNutritionBinding.totalMeatTv.text = meat.current.format2String()
+                var meatHeight = (meat.current / columnMax).toFloat()
+                if (meatHeight == 0F) {
+                    itemUserNutritionBinding.divMeatView.visibility = View.VISIBLE
+                } else {
+                    itemUserNutritionBinding.divMeatView.visibility = View.GONE
+                    meatHeight += 0.1F
+                }
                 itemUserNutritionBinding.customMeatColumn.setCustomHeightPercent(
-                    (meat.current / columnMax).toFloat(),
+                    meatHeight,
                     true
                 )
             }
@@ -542,7 +576,7 @@ class SecondaryScreenPresentation(
                     val layoutParams = adjustPreviewViewSize(
                         binding.dualCameraTexturePreviewRgb,
                         binding.dualCameraTexturePreviewRgb, binding.dualCameraFaceRectView,
-                        previewSizeRgb, displayOrientation, 1f
+                        previewSizeRgb, displayOrientation, 0.6F
                     )
                     Timber.d("initRgbCamera previewSizeRgb = ${previewSizeRgb.width}-${previewSizeRgb.height}")
                     Timber.d("initRgbCamera layoutParams = ${layoutParams.width}-${layoutParams.height}")
diff --git a/app/src/main/java/com/sw/dualscreen/view/CustomImageView.java b/app/src/main/java/com/sw/dualscreen/view/CustomImageView.java
index c0eb760..118d34a 100644
--- a/app/src/main/java/com/sw/dualscreen/view/CustomImageView.java
+++ b/app/src/main/java/com/sw/dualscreen/view/CustomImageView.java
@@ -9,6 +9,7 @@ import android.graphics.Paint;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
+import android.view.View;
 import android.view.ViewGroup;
 import android.view.animation.AlphaAnimation;
 
@@ -107,9 +108,8 @@ public class CustomImageView extends androidx.appcompat.widget.AppCompatImageVie
     // 用于设置自定义高度的方法
     public void setCustomHeight(int height, boolean isAnimation) {
         Timber.d("setCustomHeight height = %s", height);
-        if (height > 0) {
-            height += 30;
-        }
+
+        setVisibility(height == 0 ? View.GONE : VISIBLE);
         if (height > MAX_HEIGHT){
             height = MAX_HEIGHT;
         }
diff --git a/app/src/main/res/drawable/bg_face.png b/app/src/main/res/drawable/bg_face.png
index 1fe7afb..85ba84b 100644
Binary files a/app/src/main/res/drawable/bg_face.png and b/app/src/main/res/drawable/bg_face.png differ
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 86d8eaf..61df63f 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -60,6 +60,7 @@
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:contentDescription="食物图预览"
+            android:scaleType="centerCrop"
             android:visibility="gone" />
 
         <View
diff --git a/app/src/main/res/layout/item_user_nutrition.xml b/app/src/main/res/layout/item_user_nutrition.xml
index 3b444ba..b67b12a 100644
--- a/app/src/main/res/layout/item_user_nutrition.xml
+++ b/app/src/main/res/layout/item_user_nutrition.xml
@@ -68,7 +68,7 @@
             <View
                 android:id="@+id/divKcalView"
                 android:layout_width="1dp"
-                android:layout_height="@dimen/dp16"
+                android:layout_height="@dimen/dp30"
                 app:layout_constraintBottom_toTopOf="@id/customKcalColumn"
                 app:layout_constraintLeft_toLeftOf="parent"
                 app:layout_constraintRight_toRightOf="parent" />
@@ -128,7 +128,7 @@
             <View
                 android:id="@+id/divTotalFoodView"
                 android:layout_width="1dp"
-                android:layout_height="@dimen/dp16"
+                android:layout_height="@dimen/dp30"
                 app:layout_constraintBottom_toTopOf="@id/customFoodColumn"
                 app:layout_constraintLeft_toLeftOf="parent"
                 app:layout_constraintRight_toRightOf="parent" />
@@ -181,7 +181,7 @@
             <View
                 android:id="@+id/divVegetableView"
                 android:layout_width="1dp"
-                android:layout_height="@dimen/dp16"
+                android:layout_height="@dimen/dp30"
                 app:layout_constraintBottom_toTopOf="@id/customVegetableColumn"
                 app:layout_constraintLeft_toLeftOf="parent"
                 app:layout_constraintRight_toRightOf="parent" />
@@ -234,7 +234,7 @@
             <View
                 android:id="@+id/divMeatView"
                 android:layout_width="1dp"
-                android:layout_height="@dimen/dp16"
+                android:layout_height="@dimen/dp30"
                 app:layout_constraintBottom_toTopOf="@id/customMeatColumn"
                 app:layout_constraintLeft_toLeftOf="parent"
                 app:layout_constraintRight_toRightOf="parent" />
diff --git a/app/src/main/res/layout/presentation_secondary_screen.xml b/app/src/main/res/layout/presentation_secondary_screen.xml
index aad5750..874049c 100644
--- a/app/src/main/res/layout/presentation_secondary_screen.xml
+++ b/app/src/main/res/layout/presentation_secondary_screen.xml
@@ -5,8 +5,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="@mipmap/bg"
-    android:gravity="center_horizontal"
-    android:orientation="vertical"
+    android:visibility="visible"
     tools:context=".activity.MainActivity">
 
     <!--人脸识别-->
@@ -47,18 +46,18 @@
 
         </FrameLayout>
     </FrameLayout>
+
     <ImageView
         android:id="@+id/iv_face_bg"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:layout_gravity="center"
+        android:layout_width="wrap_content"
+        android:layout_height="1406dp"
         android:background="@drawable/bg_face"
         android:contentDescription="相机遮盖层"
-        android:visibility="gone" />
+        android:visibility="visible" />
 
     <FrameLayout
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+        android:layout_height="match_parent"
         android:orientation="vertical"
         android:padding="80dp">
 
@@ -107,6 +106,7 @@
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
                 android:contentDescription="img"
+                android:scaleType="centerCrop"
                 android:visibility="visible" />
 
             <View
@@ -119,7 +119,7 @@
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="486dp"
-            android:layout_marginTop="633dp"
+            android:layout_gravity="bottom"
             android:background="@drawable/rounded_border_transparent"
             android:gravity="center">
 
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index 4c21904..b37dd84 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -3,7 +3,7 @@
     <dimen name="bottom_sheet_height">1000dp</dimen>
     <dimen name="sp11">11sp</dimen>
     <dimen name="sp20">20sp</dimen>
-    <dimen name="dp16">16dp</dimen>
+    <dimen name="dp30">30dp</dimen>
     <dimen name="dp80">80dp</dimen>
     <dimen name="dp87">87dp</dimen>
     <dimen name="dp107">107dp</dimen>
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
index 5f1081a..555b080 100644
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -79,7 +79,7 @@
         <item name="android:layout_height">wrap_content</item>
         <item name="android:layout_centerHorizontal">true</item>
         <item name="android:gravity">bottom</item>
-        <!--        <item name="android:layout_marginBottom">20dp</item>-->
+        <item name="android:layout_marginBottom">20dp</item>
         <item name="android:orientation">horizontal</item>
     </style>