diff --git a/par-api/src/main/java/com/par/api/controller/AdminController.java b/par-api/src/main/java/com/par/api/controller/AdminController.java
index 4bd584c..d094810 100644
--- a/par-api/src/main/java/com/par/api/controller/AdminController.java
+++ b/par-api/src/main/java/com/par/api/controller/AdminController.java
@@ -357,23 +357,18 @@ public class AdminController {
             // 2. 使用快照服务发布有变更的站点
             int publishedCount = snapshotService.publishChanged();
 
-            // 3. 兼容：为所有站点生成旧的 bundles/ 路径（从快照读取）
+            // 3. 兼容：为有 published 快照的站点生成旧的 bundles/ 路径
             int bundleCount = 0;
             @SuppressWarnings("unchecked")
             var sites = (List<Map<String, Object>>) manifest.get("sites");
             for (var site : sites) {
                 String siteId = (String) site.get("siteId");
                 try {
-                    var active = snapshotService.getActive(siteId);
-                    if (active != null) {
-                        // 生成兼容的 bundle JSON 并上传到旧路径
-                        Map<String, Object> bundle = snapshotService.buildSnapshot(siteId);
-                        if (bundle != null) {
-                            String bundleJson = new com.fasterxml.jackson.databind.ObjectMapper()
-                                    .writeValueAsString(bundle);
-                            storageService.store("bundles/" + siteId + ".json", bundleJson);
-                            bundleCount++;
-                        }
+                    // 直接读取已发布的快照（此时 publishChanged 已执行完毕，缓存中有最新数据）
+                    String activeJson = snapshotService.getActiveBundleJson(siteId);
+                    if (activeJson != null && !activeJson.isEmpty()) {
+                        storageService.store("bundles/" + siteId + ".json", activeJson);
+                        bundleCount++;
                     }
                 } catch (Exception e) {
                     log.warn("生成兼容 bundle 失败 siteId={}: {}", siteId, e.getMessage());
diff --git a/par-core/src/main/java/com/par/core/service/impl/SiteSnapshotServiceImpl.java b/par-core/src/main/java/com/par/core/service/impl/SiteSnapshotServiceImpl.java
index b5ce314..0eb6186 100644
--- a/par-core/src/main/java/com/par/core/service/impl/SiteSnapshotServiceImpl.java
+++ b/par-core/src/main/java/com/par/core/service/impl/SiteSnapshotServiceImpl.java
@@ -156,6 +156,12 @@ public class SiteSnapshotServiceImpl implements SiteSnapshotService {
             snapshot.setStatus("draft");
 
             snapshotMapper.insert(snapshot);
+
+            // 刷新 draft 和 preview 缓存（审批通过后异步生成 draft，需立即可被预览查询到）
+            String bundleJson = toBundleJson(snapshot);
+            draftJsonCache.put(siteId, bundleJson);
+            previewJsonCache.put(siteId, bundleJson);
+
             log.info("快照已更新: siteId={}, version={}, checksum={}", siteId, newVersion, checksum.substring(0, 8));
             return snapshot;
         } catch (Exception e) {
@@ -195,9 +201,10 @@ public class SiteSnapshotServiceImpl implements SiteSnapshotService {
 
             snapshotMapper.insert(snapshot);
 
-            // 刷新 draft 缓存
+            // 刷新 draft 和 preview 缓存
             String bundleJson = toBundleJson(snapshot);
             draftJsonCache.put(siteId, bundleJson);
+            previewJsonCache.put(siteId, bundleJson);
 
             log.info("草稿已保存: siteId={}, version={}, checksum={}", siteId, newVersion, checksum.substring(0, 8));
             return snapshot;
diff --git a/web/src/views/Sites.vue b/web/src/views/Sites.vue
index a512822..7780fa9 100644
--- a/web/src/views/Sites.vue
+++ b/web/src/views/Sites.vue
@@ -56,6 +56,7 @@
       <h2 style="margin:0">站点编辑: {{ editSiteId }}</h2>
       <div style="display:flex;gap:8px">
         <el-button size="small" @click="editSiteId=''">返回列表</el-button>
+        <el-button size="small" @click="saveSite" :loading="saving">保存站点</el-button>
         <el-button size="small" @click="saveDraft" :loading="savingDraft">保存草稿</el-button>
         <el-button size="small" type="success" @click="publishSite" :loading="publishing">发布正式版</el-button>
       </div>