diff --git a/extension/chrome/background.js b/extension/chrome/background.js
index 93d035d..67e542f 100644
--- a/extension/chrome/background.js
+++ b/extension/chrome/background.js
@@ -246,7 +246,7 @@ async function syncNow() {
     );
   });
   const { serverUrl, syncToken, deviceName } = stored;
-  if (!serverUrl) return { ok: false, reason: 'not configured' };
+  if (!serverUrl) return { ok: false, reason: '未配置站点地址，请先填写并保存' };
 
   // 每次从持久化存储恢复游标和失败队列，兼容 MV3 service worker 休眠重启。
   pendingItems = Array.isArray(stored.pending) ? stored.pending : [];
diff --git a/extension/chrome/options.js b/extension/chrome/options.js
index 70102d5..3ae7fcc 100644
--- a/extension/chrome/options.js
+++ b/extension/chrome/options.js
@@ -33,6 +33,8 @@ document.getElementById('sync').addEventListener('click', () => {
       ? '无待同步'
       : result.ok
         ? `同步 ${result.count} 条，共 ${result.total}`
-        : `失败: ${result.error || result.status}`;
+        // 后台各条失败路径给的字段不一致（reason / error / status），
+        // 只读 error 和 status 会让「未配置站点」显示成「失败: undefined」。
+        : `失败: ${result.error || result.reason || result.status || '未知错误'}`;
   });
 });
diff --git a/extension/firefox/.amo-upload-uuid b/extension/firefox/.amo-upload-uuid
new file mode 100644
index 0000000..a40d99c
--- /dev/null
+++ b/extension/firefox/.amo-upload-uuid
@@ -0,0 +1 @@
+{"uploadUuid":"fb05e275eefe472399d38c15fb248870","channel":"unlisted","xpiCrcHash":"e49706a0c09801097e98c94bb18b76353480053afc23f75e3590920384d8faee"}
\ No newline at end of file
diff --git a/extension/firefox/background.js b/extension/firefox/background.js
index 164235e..5e1068a 100644
--- a/extension/firefox/background.js
+++ b/extension/firefox/background.js
@@ -164,7 +164,7 @@ async function syncNow() {
     );
   });
   const { serverUrl, syncToken, deviceName } = stored;
-  if (!serverUrl) return { ok: false, reason: 'not configured' };
+  if (!serverUrl) return { ok: false, reason: '未配置站点地址，请先填写并保存' };
 
   pendingItems = Array.isArray(stored.pending) ? stored.pending : [];
   lastSyncTime = Number(stored.lastSyncTime) || 0;
diff --git a/extension/firefox/manifest.json b/extension/firefox/manifest.json
index c208b2e..c33107a 100644
--- a/extension/firefox/manifest.json
+++ b/extension/firefox/manifest.json
@@ -1,7 +1,7 @@
 {
   "manifest_version": 2,
   "name": "JianF Nav Sync",
-  "version": "1.1.3",
+  "version": "1.1.4",
   "description": "同步浏览历史到自建导航门户，按访问频次自动排序显示常用服务",
   "browser_specific_settings": {
     "gecko": {
diff --git a/extension/firefox/options.js b/extension/firefox/options.js
index de900ee..f7d821f 100644
--- a/extension/firefox/options.js
+++ b/extension/firefox/options.js
@@ -33,6 +33,9 @@ document.getElementById('sync').addEventListener('click', () => {
       ? '无待同步'
       : result.ok
         ? `同步 ${result.count} 条，共 ${result.total}`
-        : `失败: ${result.error || result.status}`;
+        // 后台各条失败路径给的字段不一致（reason / error / status），
+        // 以前只读 error 和 status，于是「未配置站点」这种返回会显示成
+        // 「失败: undefined」——真实原因被吞掉，只剩一个无意义的报错。
+        : `失败: ${result.error || result.reason || result.status || '未知错误'}`;
   });
 });