bug fixes

src/components/exam/examCard.vue

@@ -267,17 +267,23 @@ export default {
               let userAnswers = []
               let sign = false
               let scoreItem = {}
+              // 答案
               if (answers) {
                 // 大题答案包含所有小题答案
                 const bigQuestionAnswer = answers[question.question_item_id]
-                const bigQuestionScore = scores[question.question_item_id]
                 if (bigQuestionAnswer) {
                   // 小题答案
                   const questionAnswer = bigQuestionAnswer[item.id] || {}
-                  // 小题分数
-                  scoreItem = bigQuestionScore[item.id] || {}
                   userAnswers = questionAnswer.answer || []
                   sign = questionAnswer.sign || false
+                }
+              }
+              // 分数与结果
+              if (scores) {
+                const bigQuestionScore = scores[question.question_item_id]
+                if (bigQuestionScore) {
+                  // 小题分数
+                  scoreItem = bigQuestionScore[item.id] || {}
                   if (userAnswers.length) {
                     scoreItem.answer = scoreItem.is_right ? 1 : 2
                   } else {
@@ -285,7 +291,6 @@ export default {
                   }
                 }
               }
-
               return { ...item, user_answer: userAnswers, sign, ...scoreItem }
             })
             result.push(Object.assign({}, question, { question_list: list }))