diff --git a/docs/.vitepress/config.ts b/docs/.vitepress/config.ts
index 4c0716c2..853018ef 100644
--- a/docs/.vitepress/config.ts
+++ b/docs/.vitepress/config.ts
@@ -102,7 +102,7 @@ export default defineConfig({
             "script",
             {},
             `
-        if (location.protocol !== 'https:') {
+        if (location.protocol !== 'https:' && location.hostname != 'localhost') {
             location.href = 'https://' + location.hostname + location.pathname + location.search;
         }
         `
diff --git a/docs/zh/querywrapper.md b/docs/zh/querywrapper.md
index 0f9d7cb3..9d9e31b6 100644
--- a/docs/zh/querywrapper.md
+++ b/docs/zh/querywrapper.md
@@ -347,6 +347,25 @@ ON tb_account.id = a.id
 WHERE tb_account.age >=  ? 
 ```
 
+## union, union all
+
+```java
+QueryWrapper query = new QueryWrapper()
+    .select(ACCOUNT.ID)
+    .from(ACCOUNT)
+    .orderBy(ACCOUNT.ID.desc())
+    .union(select(ARTICLE.ID).from(ARTICLE))
+    .unionAll(select(ARTICLE.ID).from(ARTICLE));
+```
+
+其查询生成的 Sql 如下：
+
+```sql
+(SELECT id FROM tb_account ORDER BY id DESC) 
+UNION (SELECT id FROM tb_article) 
+UNION ALL (SELECT id FROM tb_article)
+```
+
 
 ## limit... offset
 
diff --git a/mybatis-flex-core/src/test/java/com/mybatisflex/coretest/AccountSqlTester.java b/mybatis-flex-core/src/test/java/com/mybatisflex/coretest/AccountSqlTester.java
index 86f73df5..feb821e9 100644
--- a/mybatis-flex-core/src/test/java/com/mybatisflex/coretest/AccountSqlTester.java
+++ b/mybatis-flex-core/src/test/java/com/mybatisflex/coretest/AccountSqlTester.java
@@ -83,6 +83,7 @@ public class AccountSqlTester {
         QueryWrapper query = new QueryWrapper()
                 .select(ACCOUNT.ID)
                 .from(ACCOUNT)
+                .orderBy(ACCOUNT.ID.desc())
                 .union(select(ARTICLE.ID).from(ARTICLE))
                 .unionAll(select(ARTICLE.ID).from(ARTICLE));