fix: export `updateColorWeak`

src/index.js

@@ -5,7 +5,7 @@ import SiderMenuWrapper from './components/SiderMenu'
 import GlobalFooter from './components/GlobalFooter'
 import SettingDrawer from './components/SettingDrawer'
 import DocumentTitle from './components/DocumentTitle'
-import { updateTheme } from './utils/dynamicTheme'
+import { updateTheme, updateColorWeak } from './utils/dynamicTheme'
 
 export {
   GlobalFooter,
@@ -16,7 +16,8 @@ export {
   DocumentTitle,
   BasicLayoutProps,
 
-  updateTheme
+  updateTheme,
+  updateColorWeak
 }
 
 export default BasicLayout