diff --git a/frontend/src/views/Dashboard/Dashboard.js b/frontend/src/views/Dashboard/Dashboard.js
index b7007ff..6bfc112 100644
--- a/frontend/src/views/Dashboard/Dashboard.js
+++ b/frontend/src/views/Dashboard/Dashboard.js
@@ -820,20 +820,21 @@ export function useDashboard() {
     }
   }
 
-  async function saveSettings() {
+  async function saveSettings(section) {
     settingsError.value = "";
     if (!canManageSystemSettings.value) {
       settingsError.value = "只有超级管理员可以保存系统设置";
       return;
     }
     verificationClock.value = Date.now();
-    if (!dnsReadyToSave.value) {
+    // 只有在保存全部或保存 DNS 配置时才强依赖 DNS API 测试
+    if ((!section || section === "dns") && !dnsReadyToSave.value) {
       settingsError.value = "DNS 服务商配置尚未通过在线测试，请先完成测试";
       return;
     }
     settingsSaving.value = true;
     try {
-      const payload = settingsPayload(settingsForm.value);
+      const payload = settingsPayload(settingsForm.value, section);
       const response = await fetchAdmin("/api/v1/settings", {
         method: "PUT",
         headers: { "Content-Type": "application/json" },
@@ -842,8 +843,7 @@ export function useDashboard() {
       const result = await response.json().catch(() => ({}));
       if (!response.ok) throw new Error(result.error || "保存系统设置失败");
       settings.value = result.settings;
-      showSettings.value = false;
-      notice.value = result.message || "系统设置已保存";
+      notice.value = result.message || "设置已保存";
       await loadData();
     } catch (err) {
       settingsError.value = err.message || "保存系统设置失败";
diff --git a/frontend/src/views/Dashboard/SettingsPayload.js b/frontend/src/views/Dashboard/SettingsPayload.js
index 113dcfd..96189ab 100644
--- a/frontend/src/views/Dashboard/SettingsPayload.js
+++ b/frontend/src/views/Dashboard/SettingsPayload.js
@@ -19,21 +19,24 @@ const requestFields = {
   ],
 };
 
-export function settingsPayload(current) {
+export function settingsPayload(current, targetSection) {
   const payload = {};
   for (const [section, fields] of Object.entries(requestFields)) {
+    if (targetSection && targetSection !== section) continue;
     const source = current[section] || {};
     payload[section] = Object.fromEntries(
       fields.filter((field) => source[field] !== undefined)
         .map((field) => [field, source[field]]),
     );
   }
-  const dns = current.dns || {};
-  payload.dns = { provider: dns.provider };
-  if (dns.credential_ref && dns.verification_token) {
-    payload.dns.credential_ref = dns.credential_ref;
-    payload.dns.verification_token = dns.verification_token;
-    payload.dns.test_domain = dns.test_domain;
+  if (!targetSection || targetSection === "dns") {
+    const dns = current.dns || {};
+    payload.dns = { provider: dns.provider };
+    if (dns.credential_ref && dns.verification_token) {
+      payload.dns.credential_ref = dns.credential_ref;
+      payload.dns.verification_token = dns.verification_token;
+      payload.dns.test_domain = dns.test_domain;
+    }
   }
   return payload;
 }