optimize(projects): improve robustness of second-level menu key logic

src/layouts/context/index.ts

@@ -64,7 +64,14 @@ function useMixMenu() {
   }
 
   function getActiveSecondLevelMenuKey() {
-    const [firstLevelRouteName, level2SuffixName] = selectedKey.value.split('_');
+    const keys = selectedKey.value.split('_');
+
+    if (keys.length < 2) {
+      setActiveSecondLevelMenuKey('');
+      return;
+    }
+
+    const [firstLevelRouteName, level2SuffixName] = keys;
 
     const secondLevelRouteName = `${firstLevelRouteName}_${level2SuffixName}`;
 

src/locales/langs/en-us.ts

@@ -98,7 +98,7 @@ const local: App.I18n.Schema = {
         'vertical-mix_detail':
           'Vertical mix-menu layout, with the primary menu on the dark left side and the secondary menu on the lighter left side.',
         'vertical-hybrid-header-first_detail':
-          'Vertical mix-menu layout, with the primary menu at the top, the secondary menu on the dark left side, and the secondary menu on the lighter left side.',
+          'Left hybrid layout, with the primary menu at the top, the secondary menu on the dark left side, and the tertiary menu on the lighter left side.',
         horizontal_detail: 'Horizontal menu layout, with the menu at the top and content below.',
         'top-hybrid-sidebar-first_detail':
           'Top hybrid layout, with the primary menu on the left and the secondary menu at the top.',

src/locales/langs/zh-cn.ts

@@ -97,7 +97,7 @@ const local: App.I18n.Schema = {
         vertical_detail: '左侧菜单布局，菜单在左，内容在右。',
         'vertical-mix_detail': '左侧双菜单布局，一级菜单在左侧深色区域，二级菜单在左侧浅色区域。',
         'vertical-hybrid-header-first_detail':
-          '左侧混合布局，一级菜单在顶部，二级菜单在左侧浅色区域，三级菜单在左侧深色区域。',
+          '左侧混合布局，一级菜单在顶部，二级菜单在左侧深色区域，三级菜单在左侧浅色区域。',
         horizontal_detail: '顶部菜单布局，菜单在顶部，内容在下方。',
         'top-hybrid-sidebar-first_detail': '顶部混合布局，一级菜单在左侧，二级菜单在顶部。',
         'top-hybrid-header-first_detail': '顶部混合布局，一级菜单在顶部，二级菜单在左侧。'