diff --git a/app/src/main/java/com/example/hpostesting/data/constant/Constants.kt b/app/src/main/java/com/example/hpostesting/data/constant/Constants.kt
index 2b538c8..8170e62 100644
--- a/app/src/main/java/com/example/hpostesting/data/constant/Constants.kt
+++ b/app/src/main/java/com/example/hpostesting/data/constant/Constants.kt
@@ -47,5 +47,6 @@ object Constants {
 
     const val KIT_NUMBER = "KitNumber"
     const val KIT_COUNT = "KitCount"
-    const val BUFFER_VALUE = "BufferValue"
+    const val BUFFER_VALUE_1 = "BufferValue1"
+    const val BUFFER_VALUE_2 = "BufferValue2"
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/example/hpostesting/presentation/KitScanActivity.kt b/app/src/main/java/com/example/hpostesting/presentation/KitScanActivity.kt
index dceaffa..2f3c12b 100644
--- a/app/src/main/java/com/example/hpostesting/presentation/KitScanActivity.kt
+++ b/app/src/main/java/com/example/hpostesting/presentation/KitScanActivity.kt
@@ -60,7 +60,8 @@ class KitScanActivity : AppCompatActivity() {
             with(sharedPreference.edit()) {
                 putString(Constants.KIT_NUMBER, "")
                 putInt(Constants.KIT_COUNT, 0)
-                putInt(Constants.BUFFER_VALUE, 0)
+                putInt(Constants.BUFFER_VALUE_1, 0)
+                putInt(Constants.BUFFER_VALUE_2, 0)
                 apply()
             }
         }
diff --git a/app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeFragment.kt b/app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeFragment.kt
index 85a445d..de040a8 100644
--- a/app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeFragment.kt
+++ b/app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeFragment.kt
@@ -103,7 +103,8 @@ class HemoCubeFragment : Fragment() {
     }
 
     private fun checkBufferValue(): Boolean {
-        return sharedPreference.getInt(Constants.BUFFER_VALUE, 0) > 0
+        return sharedPreference.getInt(Constants.BUFFER_VALUE_1, 0) > 0
+                || sharedPreference.getInt(Constants.BUFFER_VALUE_2, 0) > 0
     }
 
     private fun setupButtonClickListeners() {