diff --git a/src/main/java/com/ffii/tsms/modules/project/service/InvoiceService.kt b/src/main/java/com/ffii/tsms/modules/project/service/InvoiceService.kt
index 1d3700a..dd16c96 100644
--- a/src/main/java/com/ffii/tsms/modules/project/service/InvoiceService.kt
+++ b/src/main/java/com/ffii/tsms/modules/project/service/InvoiceService.kt
@@ -88,7 +88,7 @@ open class InvoiceService(
             val invoicePDF: JasperReport = JasperCompileManager.compileReport(inputStream)
 
             val projectDetailList = getProjectDetailsByMilestonePaymentId(req.id)
-            val projectDetail = projectDetailList.get(0)
+            val projectDetail = projectDetailList[0]
 
             val fields: MutableList<Map<String, Any>> = ArrayList()
             val fieldValue1: Map<String, Any> = mapOf(
@@ -100,7 +100,7 @@ open class InvoiceService(
             fields.add(fieldValue1)
 
             val invoiceInfoList = getInvoiceInfoByMilestonePaymentId(req.id)
-            val invoiceInfo = invoiceInfoList.get(0)
+            val invoiceInfo = invoiceInfoList[0]
 
             val params: MutableMap<String, Any> = HashMap()
             params["Client"] = invoiceInfo.getValue("client")