1、课程问题弹框，无选项时不需要校验选中

src/components/videopage/DialogComponents.vue

@@ -174,7 +174,7 @@ const handleCloseQuestionDialog = () => {
 
 // 提交答案
 const handleSubmitAnswer = () => {
-  if (!selectedOption.value) {
+  if (props.currentQuestion.ccQuestOption && props.currentQuestion.ccQuestOption.length > 0 && !selectedOption.value) {
     ElMessage.warning('请选择一个选项')
     return
   }