修改设备节点类型是string时添加长度，其他类型自动删除长度参数

src/views/scada/scadaConfigure/index.vue

@@ -41,8 +41,8 @@
 <script>
 import tips from './tips.md'
 import jschardet from 'jschardet'
-import { assign, each, map, pick, pickBy, startsWith, includes, every } from 'lodash'
-//import { getWorkingsubclassAll } from '@/api/basic/device'
+import { assign, each, pick, pickBy, startsWith, includes, every } from 'lodash'
+// import { getWorkingsubclassAll } from '@/api/basic/device'
 
 export default {
   data () {