feat: 解决没数据报错的问题

src/utils/dict.js

@@ -32,12 +32,14 @@ export function getDict(...args) {
         getSysDictByCode({
           dictCode: d
         }).then(result => {
+          result = result || {}
+          result.itemList = Array.isArray(result.itemList) ? result.itemList : []
           result.itemList.forEach(p => {
             p.label = p.zdmc
             p.value = p.dm
             p.id = p.dm
             p.elTagType = p.dictType
-            if (p.itemList && p.itemList.length > 0) {
+            if (p?.itemList && p.itemList?.length > 0) {
               getChildren(p)
             }
             p.children = p.itemList