diff --git a/app/src/main/java/com/example/hpostesting/presentation/buffercheck/HemoCubeBufferCheckFragment.kt b/app/src/main/java/com/example/hpostesting/presentation/buffercheck/HemoCubeBufferCheckFragment.kt
index d4c473e..4a1d5ef 100644
--- a/app/src/main/java/com/example/hpostesting/presentation/buffercheck/HemoCubeBufferCheckFragment.kt
+++ b/app/src/main/java/com/example/hpostesting/presentation/buffercheck/HemoCubeBufferCheckFragment.kt
@@ -217,7 +217,7 @@ class HemoCubeBufferCheckFragment : Fragment() {
         try {
             val result = validString.split(" ")
             if (result.size == 8) {
-                val deviceSerialNo = result[2]
+                val deviceId = result[2]
                 val led1BufferForDevice = result[3].toDoubleOrNull()
                 val led2BufferForDevice = result[4].toDoubleOrNull()
                 val led1Sample = result[5].toDoubleOrNull()
@@ -225,10 +225,10 @@ class HemoCubeBufferCheckFragment : Fragment() {
                 val led1Average = log10(led1BufferForDevice?.div(led1Sample!!) ?: 0.0)
                 val led2Average = log10(led2BufferForDevice?.div(led2Sample!!) ?: 0.0)
                 val deviceRatio = led1Average / led2Average
-                val calculatedRatio = 0.14
                 val classificationResult = findResult(calculatedRatio)
                 messages.postValue(classificationResult)
                 val bufferData = BufferCheckData(
+                    deviceId= deviceId,
                     kitno = kitno,
                     led1Buffer = led1BufferForDevice,
                     led2Buffer = led2BufferForDevice,
@@ -237,9 +237,9 @@ class HemoCubeBufferCheckFragment : Fragment() {
                     led1Sample = led1Sample,
                     led2Sample = led2Sample,
                     deviceRatio = deviceRatio,
-                    calculatedRatio = calculatedRatio,
+                    calculatedRatio = calculateRatio(deviceRatio),
                     classificationResult = classificationResult,
-                    deviceSerialNumber = deviceSerialNo,
+                    deviceSerialNumber = sharedPreferences.getString(Constants.USER_ID, "").toString(),
                     testTime = SimpleDateFormat(
                         "yyyy-MM-dd HH:mm:ss", Locale.getDefault()
                     ).format(Calendar.getInstance().time)