debug [b-dropdown-menu]

Author: ChanMenglin

src/components/content/GridView/tools/grid-export.vue

@@ -1,6 +1,7 @@
 <template>
   <b-dropdown
       :list="list"
+      hide-null
       hide-toggle
       menu-align="right"
       @item:click="dataExport"

src/components/system/LangSelect/lang-select.vue

@@ -5,6 +5,7 @@
     primary-key="code"
     trigger="language"
     :list="langs"
+    hide-null
   />
 </template>
 

src/components/system/ThemeSelect/theme-select.vue

@@ -4,6 +4,7 @@
     v-model="theme"
     trigger="Theme"
     :list="list"
+    hide-null
   />
 </template>