限制字数

src/views/courseCenter/components/ResourceList.vue

@@ -15,6 +15,7 @@
 				placeholder="请输入课程标题/专业名称/关键词"
 				style="width: 200px"
 				@search="onSearch"
+				:maxlength="30"
 			/>
 		</div>
 		<a-row :gutter="[16, 16]">