汉字模板限制10个字

src/views/book/courseware/create/components/question/character/Character.vue

@@ -3,7 +3,14 @@
     <template #content>
       <!-- eslint-disable max-len -->
       <div class="character-wrapper">
-        <el-input v-model="data.content" placeholder="输入" type="textarea" @change="handleChangeContent" />
+        <el-input
+          v-model="data.content"
+          placeholder="输入"
+          type="textarea"
+          maxlength="10"
+          show-word-limit
+          @change="handleChangeContent"
+        />
         <span class="tips">输入字或词请一字一行</span>
         <template v-if="data.content_list.length > 0">
           <el-divider content-position="left">拼音效果</el-divider>