refactor: 优化编号规则部分逻辑

src/pages/Business/RuleCode/components/LeftMenu/index.tsx

@@ -18,7 +18,7 @@ const itemsChild = [
 
 const LeftMenu: React.FC<LeftMenuProps> = ({ title = '业务主体列表', options, onChange, value }) => {
   const rootSubmenuKeys = options.map(item => item.ID)
-  const [openKeys, setOpenKeys] = useState([options[0].ID])
+  const [openKeys, setOpenKeys] = useState([options?.[0]?.ID])
   const onOpenChange: MenuProps['onOpenChange'] = keys => {
     const latestOpenKey = keys.find(key => openKeys.indexOf(key) === -1)
     if (rootSubmenuKeys.indexOf(latestOpenKey!) === -1) {

src/pages/Business/RuleCode/index.tsx

@@ -202,6 +202,16 @@ const RulesCode = () => {
         保存
       </Button>
     ) : null
+
+  const handleMenuChange = (key: string) => {
+    const [subject, tab] = key.split('_')
+    setState({
+      ...state,
+      activeKey: key,
+      tabId: tab
+    })
+    tryRuleCode({ tab: tab, subjectID: subject })
+  }
   return (
     <PageContainer title={false}>
       <div className="h-full w-full flex flex-row">
@@ -210,18 +220,11 @@ const RulesCode = () => {
             title="业务主体列表"
             options={state.subjectList}
             value={state.activeKey}
-            onChange={key => {
-              setState({
-                ...state,
-                activeKey: key,
-                tabId: key.split('_')[1]
-              })
-              tryRuleCode({ tab: key.split('_')[1], subjectID: key.split('_')[0] })
-            }}
+            onChange={key => handleMenuChange(key)}
           />
         ) : null}
 
-        <div className="w-6/7 ml-8 p-4 bg-white">
+        <div className="w-6/7 ml-8 p-4 pt-1 bg-white">
           <Tabs
             defaultActiveKey="yuS"
             tabBarExtraContent={renderExtraTabContent()}