fix 简答题字数

src/features/OnlineExam/Examing/TextQuestionView.vue

@@ -60,8 +60,12 @@
           @blur="$event => textInput($event)"
           class="stu-answer"
         ></div>
-        <div style="float: right; margin-top: -25px; margin-right: 10px;">
-          {{ answerWordCount }}
+        <div
+          style="margin-top: -25px; margin-bottom: 25px; width: 100%; max-width: 500px;"
+        >
+          <div style="float: right; margin-right: 10px; ">
+            {{ answerWordCount }}
+          </div>
         </div>
       </div>
       <div v-if="shouldFetchQrCode">