docs: add comments to the src/components directory

web/src/components/Empty/Loading.tsx

@@ -1,7 +1,28 @@
+/*
+ * @Author: ZhaoYing 
+ * @Date: 2026-02-02 15:03:52 
+ * @Last Modified by: ZhaoYing
+ * @Last Modified time: 2026-02-02 15:48:41
+ */
+/**
+ * Loading Component
+ * 
+ * A specialized empty state component that displays a loading animation.
+ * Uses the Empty component with a loading icon and localized loading messages.
+ * 
+ * @component
+ */
+
+import { type FC } from 'react';
 import { useTranslation } from 'react-i18next'
+
 import LoadingIcon from '@/assets/images/loading.svg'
 import Empty from './index'
-const Loading = ({ size = 200 }: { size?: number }) => {
+
+/**
+ * @param size - Icon size in pixels (default: 200)
+ */
+const Loading: FC<{ size?: number }> = ({ size = 200 }) => {
   const { t } = useTranslation()
   return (
     <Empty