diff --git a/app/src/main/java/kr/co/vividnext/sodalive/live/roulette/config/RouletteSettingsViewModel.kt b/app/src/main/java/kr/co/vividnext/sodalive/live/roulette/config/RouletteSettingsViewModel.kt
index c20149c..0ebd8b9 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/live/roulette/config/RouletteSettingsViewModel.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/live/roulette/config/RouletteSettingsViewModel.kt
@@ -131,6 +131,18 @@ class RouletteSettingsViewModel(private val repository: RouletteRepository) : Ba
                 return false
             }
 
+            if (option.percentage.isBlank()) {
+                _toastLiveData.value = "옵션의 확률은 빈칸일 수 없습니다."
+                _isLoading.value = false
+                return false
+            }
+
+            if (option.percentage.toFloat() <= 0f) {
+                _toastLiveData.value = "옵션의 확률은 0%보다 커야합니다."
+                _isLoading.value = false
+                return false
+            }
+
             totalPercentage += option.percentage.toFloat()
         }