diff --git a/src/views/Exam/index.vue b/src/views/Exam/index.vue
index f2ac142..5b5fb27 100644
--- a/src/views/Exam/index.vue
+++ b/src/views/Exam/index.vue
@@ -14,7 +14,7 @@
             </div>
 
             <div class="subject-content">
-              <div class="subject-title">{{ currentQuestion.questionContent }}</div>
+              <div class="subject-title">{{ currentQuestion.questionContent || '' }}</div>
               <el-radio-group v-model="currentQuestion.answerId" @change="handleChange">
                 <el-radio size="large" border :value="item.answerId" v-for="item in currentQuestion.answerList"
                   :key="item.answerId">
@@ -121,7 +121,7 @@ function next() {
   questionNum.value++
 
   if (questionNum.value >= questionList.value.length) {
-    questionNum.value = questionList.value.length
+    questionNum.value = questionList.value.length - 1
   }
 
   currentQuestion.value = questionList.value[questionNum.value]
@@ -218,8 +218,8 @@ async function submit() {
         .subject-content {
           margin-left: 50px;
           margin-top: 30px;
-          height: 550px;
-          max-height: 550px;
+          height: 450px;
+          max-height: 450px;
 
           .subject-title {
             text-align: center;