diff --git a/app/src/main/java/kr/co/vividnext/sodalive/live/room/create/LiveRoomCreateActivity.kt b/app/src/main/java/kr/co/vividnext/sodalive/live/room/create/LiveRoomCreateActivity.kt
index 551dd411..5b861186 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/live/room/create/LiveRoomCreateActivity.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/live/room/create/LiveRoomCreateActivity.kt
@@ -53,9 +53,16 @@ class LiveRoomCreateActivity : BaseActivity<ActivityLiveRoomCreateBinding>(
 
     private val datePickerDialogListener =
         DatePickerDialog.OnDateSetListener { _, year, monthOfYear, dayOfMonth ->
-            viewModel.beginDate = String.format("%d-%02d-%02d", year, monthOfYear + 1, dayOfMonth)
+            viewModel.beginDate = String.format(
+                Locale.getDefault(),
+                "%d-%02d-%02d",
+                year,
+                monthOfYear + 1,
+                dayOfMonth,
+            )
             viewModel.setReservationDate(
                 String.format(
+                    Locale.getDefault(),
                     "%d.%02d.%02d",
                     year,
                     monthOfYear + 1,
@@ -66,7 +73,12 @@ class LiveRoomCreateActivity : BaseActivity<ActivityLiveRoomCreateBinding>(
 
     private val timePickerDialogListener =
         TimePickerDialog.OnTimeSetListener { _, hourOfDay, minute ->
-            val timeString = String.format("%02d:%02d", hourOfDay, minute)
+            val timeString = String.format(
+                Locale.getDefault(),
+                "%02d:%02d",
+                hourOfDay,
+                minute
+            )
             viewModel.beginTime = timeString
             viewModel.setReservationTime(timeString.convertDateFormat("HH:mm", "a hh:mm"))
         }
@@ -382,7 +394,7 @@ class LiveRoomCreateActivity : BaseActivity<ActivityLiveRoomCreateBinding>(
                     } else {
                         try {
                             viewModel.password = it.toString()
-                        } catch (e: NumberFormatException) {
+                        } catch (_: NumberFormatException) {
                             binding.etRoomPassword.setText(it.substring(0, it.length - 1))
                         }
                     }
@@ -755,7 +767,7 @@ class LiveRoomCreateActivity : BaseActivity<ActivityLiveRoomCreateBinding>(
             )
         )
 
-        if (viewModel.menuList.size > 0) {
+        if (viewModel.menuList.isNotEmpty()) {
             binding.llSelectMenu2.setBackgroundResource(R.drawable.bg_round_corner_6_7_13181b)
             binding.tvSelectMenu2.setTextColor(
                 ContextCompat.getColor(