bug fixes

src/modules/material/all/components/StepThree.vue

@@ -55,7 +55,7 @@ async function handleSubmit() {
         <el-form-item prop="content">
           <template v-if="form.type == 1">
             <!-- 文本 -->
-            <el-input type="textarea" rows="14" v-model="form.content"></el-input>
+            <el-input type="textarea" :rows="14" v-model="form.content"></el-input>
           </template>
           <template v-if="['2', '6', '7', '8'].includes(form.type)">
             <!-- 图片|二维码|小程序｜卡券 -->