diff --git a/docs/zh/core/data-cache.md b/docs/zh/core/data-cache.md
index 75e297c7..c4d69fb2 100644
--- a/docs/zh/core/data-cache.md
+++ b/docs/zh/core/data-cache.md
@@ -166,9 +166,9 @@ public class AccountServiceImpl extends CacheableServiceImpl<MyAccountMapper, Ac
     }
 
     @Override
-    @Cacheable(key = "#root.methodName + ':' + #query.toSQL()")
-    public Page<Account> page(Page<Account> page, QueryWrapper query) {
-        return super.page(page, query);
+    @Cacheable(key = "#root.methodName + ':' + #page.getPageSize() + ':' + #page.getPageNumber() + ':' + #query.toSQL()")
+    public <R> Page<R> pageAs(Page<R> page, QueryWrapper query, Class<R> asType) {
+        return super.pageAs(page, query, asType);
     }
     
 }