diff --git a/app/src/main/java/com/sw/inbound/objbox/ObjectBox.kt b/app/src/main/java/com/sw/inbound/objbox/ObjectBox.kt
index 71a96b9..0a58e99 100644
--- a/app/src/main/java/com/sw/inbound/objbox/ObjectBox.kt
+++ b/app/src/main/java/com/sw/inbound/objbox/ObjectBox.kt
@@ -16,6 +16,7 @@
 
 package com.sw.inbound.objbox
 
+import android.annotation.SuppressLint
 import android.content.Context
 import android.os.Environment
 import android.util.Log
@@ -51,6 +52,7 @@ import kotlin.jvm.javaClass
  * Singleton to keep BoxStore reference and provide current list of Notes Objects.
  * Inserts demo data if no Objects are stored.
  */
+@SuppressLint("LogNotTimber")
 object ObjectBox {
 
 //    确保所有设备/版本使用相同的objectbox-models/default.json
@@ -76,8 +78,8 @@ object ObjectBox {
         boxStore = try {
             MyObjectBox.builder()
                 .androidContext(context.applicationContext)
-                .disableMultiProcess() // 开启多进程支持（按需关闭，单进程可删）
-                .disableFileCompression() // 禁用文件压缩，避免存储异常
+                //.disableMultiProcess() // 开启多进程支持（按需关闭，单进程可删）
+                //.disableFileCompression() // 禁用文件压缩，避免存储异常
                 .build()
         } catch (e: DbException) {
             if (e.javaClass == DbException::class.java || e is FileCorruptException) {
@@ -149,7 +151,7 @@ object ObjectBox {
         }
     }
 
-    suspend fun query(floatArray: FloatArray?, queryCount: Int) = safeDbOp {
+    suspend fun query(floatArray: FloatArray, queryCount: Int) = safeDbOp {
         val query: Query<Food>? = getBox<Food>()?.query(
             Food_.foodVector
                 .nearestNeighbors(floatArray, queryCount)
diff --git a/app/src/main/res/layout/activity_food_collection.xml b/app/src/main/res/layout/activity_food_collection.xml
index 2ecb5b7..21602b2 100644
--- a/app/src/main/res/layout/activity_food_collection.xml
+++ b/app/src/main/res/layout/activity_food_collection.xml
@@ -89,9 +89,10 @@
         <FrameLayout
             android:id="@+id/flPreview"
             android:layout_width="420dp"
-            android:layout_height="420dp"
+            android:layout_height="0dp"
             app:layout_constraintStart_toStartOf="@id/layoutTop"
-            app:layout_constraintTop_toBottomOf="@id/layoutTop">
+            app:layout_constraintTop_toBottomOf="@id/layoutTop"
+            app:layout_constraintBottom_toTopOf="@+id/layoutButton">
 
             <androidx.cardview.widget.CardView
                 android:id="@+id/flCameraPreview"
@@ -130,37 +131,43 @@
             </LinearLayout>
         </FrameLayout>
 
-        <TextView
-            android:id="@+id/btnTakePhoto"
-            android:layout_width="270dp"
-            android:layout_height="90dp"
-            android:layout_gravity="center"
-            android:layout_marginTop="30dp"
-            android:background="@drawable/bg_white_stroke_blue_ripple"
-            android:gravity="center"
-            android:text="拍照"
-            android:textColor="#FF0032C8"
-            android:textSize="36sp"
-            android:textStyle="bold"
+        <LinearLayout
+            android:id="@+id/layoutButton"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
             app:layout_constraintEnd_toEndOf="@id/flPreview"
             app:layout_constraintStart_toStartOf="@id/flPreview"
-            app:layout_constraintTop_toBottomOf="@id/flPreview" />
+            app:layout_constraintBottom_toBottomOf="parent"
+            android:orientation="vertical">
 
-        <TextView
-            android:id="@+id/btnClearData"
-            android:layout_width="270dp"
-            android:layout_height="90dp"
-            android:layout_gravity="center"
-            android:layout_marginTop="30dp"
-            android:background="@drawable/bg_white_stroke_blue_ripple"
-            android:gravity="center"
-            android:text="清除"
-            android:textColor="#FF0032C8"
-            android:textSize="36sp"
-            android:textStyle="bold"
-            app:layout_constraintEnd_toEndOf="@id/btnTakePhoto"
-            app:layout_constraintStart_toStartOf="@id/btnTakePhoto"
-            app:layout_constraintTop_toBottomOf="@id/btnTakePhoto" />
+            <TextView
+                android:id="@+id/btnTakePhoto"
+                android:layout_width="270dp"
+                android:layout_height="90dp"
+                android:layout_gravity="center"
+                android:layout_marginTop="30dp"
+                android:background="@drawable/bg_white_stroke_blue_ripple"
+                android:gravity="center"
+                android:text="拍照"
+                android:textColor="#FF0032C8"
+                android:textSize="36sp"
+                android:textStyle="bold" />
+
+            <TextView
+                android:id="@+id/btnClearData"
+                android:layout_width="270dp"
+                android:layout_height="90dp"
+                android:layout_gravity="center"
+                android:layout_marginTop="30dp"
+                android:layout_marginBottom="30dp"
+                android:background="@drawable/bg_white_stroke_blue_ripple"
+                android:gravity="center"
+                android:text="清除"
+                android:textColor="#FF0032C8"
+                android:textSize="36sp"
+                android:textStyle="bold" />
+
+        </LinearLayout>
 
         <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/rvFoodCollection"