图片大小

src/views/exercise_questions/preview/TalkPictruePreview.vue

@@ -16,7 +16,7 @@
           v-if="pic_list[item.picture_file_id]"
           style="width: 370px; height: 238px"
           :src="pic_list[item.picture_file_id]"
-          fit="cover"
+          fit="contain"
         />
         <div v-if="item.picture_info" class="content-box">
           <span class="option-number">{{ computeOptionMethods[data.option_number_show_mode](index) }} </span>

src/views/exercise_questions/preview/WordCardPreview.vue

@@ -20,7 +20,7 @@
           pic_list[option_list[active_index].picture_file_id]
         "
         :src="pic_list[option_list[active_index].picture_file_id]"
-        fit="cover"
+        fit="contain"
       />
       <div class="words-right">
         <template v-for="(item, index) in option_list">

src/views/exercise_questions/preview/WritePictruePreview.vue

@@ -17,7 +17,7 @@
           v-if="pic_list[item.picture_file_id]"
           style="width: 370px; height: 238px"
           :src="pic_list[item.picture_file_id]"
-          fit="cover"
+          fit="contain"
           :class="[active_index !== index ? 'not-active' : '']"
           @click="active_index = index"
         />