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 6992399..98e3092 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
@@ -114,8 +114,9 @@ object Constants {
 
     val COEFFICIENTS: Map<String, List<List<Double>>> = mapOf(
         "HC-V1-005" to listOf(
-            listOf(1.5, 0.0),
-            listOf(0.0, 0.0)
+            listOf(1.5),
+            listOf(0.0)
         )
     )
+
 }
\ No newline at end of file
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 238efe5..bc27fc3 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
@@ -396,7 +396,7 @@ class HemoCubeFragment : Fragment() {
                     this.deviceRatio = deviceRatio
                     this.calculatedRatio = calculateRatio(deviceRatio)
 //                    this.coefficients = currentDeviceData?.coefficients?.get(0).toString() + ", " + currentDeviceData?.coefficients?.get(1).toString()
-                    this.coefficients = Constants.COEFFICIENTS[deviceId]?.get(0)?.get(0).toString() + "," + Constants.COEFFICIENTS[deviceId]?.get(1)?.get(0).toString()
+                    this.coefficients = Constants.COEFFICIENTS[deviceId]?.get(0).toString() + "," + Constants.COEFFICIENTS[deviceId]?.get(1).toString()
                     this.classificationResult = findResult(calculatedRatio)
                     hemoCubeViewModel.messages.postValue(this.classificationResult)
                     this.resultData = deviceLog
@@ -498,8 +498,8 @@ class HemoCubeFragment : Fragment() {
     }
 
     private fun calculateRatio(ratio: Double): Double {
-        val coefficient1: Double = Constants.COEFFICIENTS[deviceSerialNo]?.get(0)?.get(0) ?: 0.0
-        val coefficient2: Double = Constants.COEFFICIENTS[deviceSerialNo]?.get(1)?.get(0) ?: 0.0
+        val coefficient1: Double = (Constants.COEFFICIENTS[deviceSerialNo]?.get(0) ?: 0.0) as Double
+        val coefficient2: Double = (Constants.COEFFICIENTS[deviceSerialNo]?.get(1) ?: 0.0) as Double
         return coefficient1 * ratio + coefficient2
     }