diff --git a/src/components/QuestionBlock.vue b/src/components/QuestionBlock.vue
index d354561..0fed1d9 100644
--- a/src/components/QuestionBlock.vue
+++ b/src/components/QuestionBlock.vue
@@ -1,27 +1,15 @@
 <script setup lang="ts">
 import { NInput, NInputGroup, NSpace, NText } from 'naive-ui'
-import { type PropType } from 'vue'
 
 import type { EditableQuestion } from '@/types/editor'
 
-const props = defineProps({
-  newQuestionCode: {
-    type: String,
-  },
-  newQuestionText: {
-    type: String,
-  },
-  newQuestionAnswer: {
-    type: String,
-  },
-  question: {
-    type: Object as PropType<EditableQuestion>,
-  },
-  mode: {
-    type: String,
-    required: true,
-  },
-})
+const props = defineProps<{
+  newQuestionCode?: string
+  newQuestionText?: string
+  newQuestionAnswer?: string
+  question?: EditableQuestion
+  mode: string
+}>()
 
 const emit = defineEmits<{
   'update:newQuestionCode': [value: string]