i18n(zh-cn): Update actions.mdx (#10554)

Co-authored-by: liruifengv <[email protected]>

Author: Nin3lee

Diff for: src/content/docs/zh-cn/guides/actions.mdx

@@ -500,7 +500,7 @@ const result = Astro.getActionResult(actions.newsletter);
 const inputErrors = isInputError(result?.error) ? result.error.fields : {};
 ---
 
-<form method="POST" action={'/confirmation' + actions.newsletter}>
+<form method="POST" action={actions.newsletter}>
   <label>
     E-mail
     <input required type="email" name="email" aria-describedby="error" />
@@ -701,7 +701,7 @@ import { actions } from 'astro:actions';
 
 const searchQuery = Astro.url.searchParams.get('search');
 if (searchQuery) {
-  const { data, error } = Astro.callAction(actions.findProduct, { query: searchQuery });
+  const { data, error } = await Astro.callAction(actions.findProduct, { query: searchQuery });
   // 处理结果
 }
 ---