diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0a9721a..74d1305 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,7 @@
 
 - 修复清空存储后最近任务残留并可继续下载的问题
 - 修复部分媒体相关文案和逻辑仍仅针对图片、遗漏视频与文件的问题
+- 修复关闭独立媒体域名时网站域名被误清空、生效地址回落到请求地址的问题
 - 修复站点同步异常后的兜底恢复流程
 
 ## [1.4.4] - 2026-10-10
diff --git a/docs-site/en/guide/changelog.md b/docs-site/en/guide/changelog.md
index ffc5fa5..c03b29a 100644
--- a/docs-site/en/guide/changelog.md
+++ b/docs-site/en/guide/changelog.md
@@ -24,6 +24,7 @@ Version history and notable changes. The full log is also in the repo root [CHAN
 ### Fixed
 
 - Stale recent tasks after clearing storage and media logic that only covered images
+- Site URL being cleared when separate media domains were disabled
 - Recovery fallback for interrupted site synchronization
 
 ## [1.4.4] — 2026-10-10
diff --git a/docs-site/guide/changelog.md b/docs-site/guide/changelog.md
index 4bc665b..80c3fd8 100644
--- a/docs-site/guide/changelog.md
+++ b/docs-site/guide/changelog.md
@@ -23,6 +23,7 @@ PicHost 版本历史与重要变更说明。完整记录亦见仓库根目录 [C
 ### 修复
 
 - 修复清空存储后最近任务残留以及媒体功能遗漏视频和文件的问题
+- 修复关闭独立媒体域名时网站域名被误清空的问题
 - 修复站点同步异常后的兜底恢复流程
 
 ## [1.4.4] — 2026-10-10
diff --git a/server/api/settings/index.patch.ts b/server/api/settings/index.patch.ts
index b69d255..071faf1 100644
--- a/server/api/settings/index.patch.ts
+++ b/server/api/settings/index.patch.ts
@@ -231,10 +231,6 @@ export default defineEventHandler(async (event) => {
     }
   }
 
-  if (wantSeparation === false) {
-    nextSite = ''
-  }
-
   if (body.domainSeparation !== undefined) {
     setSetting(SETTINGS_DOMAIN_SEPARATION, wantSeparation ? 'true' : 'false')
   }