diff --git a/js/qdreader_sign_autman.js b/js/qdreader_sign_autman.js
index 2c16d39..1c6ca86 100644
--- a/js/qdreader_sign_autman.js
+++ b/js/qdreader_sign_autman.js
@@ -4,7 +4,7 @@
 //[author: Hermes]
 //[service: BOSS]
 //[class: 工具类]
-//[version: 2.3.7]
+//[version: 2.3.8]
 //[platform: web,qq,wx,tg,tb,fs,we]
 //[public: false]
 //[price: 0]
@@ -26,6 +26,7 @@ var RETRY_KEY = "qdreader_retry_count"
 var CRON_SILENT_KEY = "qdreader_cron_silent"
 var LAST_RESULT_KEY = "qdreader_last_result_json"
 var LAST_RUN_KEY = "qdreader_last_run_json"
+var DEFAULT_OWNER = "__qdreader_default_owner__"
 var DEFAULT_SIGN_API = "https://api.120399.xyz/qdreader"
 var QIDIAN_BASE = "https://h5.if.qidian.com"
 var CHECKIN_PATH = "/argus/api/v3/checkin/checkin"
@@ -101,6 +102,9 @@ function currentUserId() {
     for (var k = 0; k < names.length && !v; k++) { try { if (typeof this[names[k]] === "function") v = this[names[k]]() || "" } catch (e) {} }
     return trim(v)
 }
+function currentOwnerId() {
+    return currentUserId() || DEFAULT_OWNER
+}
 function currentUserDebug() {
     var parts = []
     try { if (typeof sender !== "undefined" && sender) {
@@ -113,7 +117,7 @@ function currentUserDebug() {
 }
 function boundToCurrent(uid, bind) {
     var owner = bind && bind[String(uid)] ? String(bind[String(uid)]) : ""
-    var me = currentUserId()
+    var me = currentOwnerId()
     return !!owner && !!me && owner === me
 }
 function visibleUids(store, bind, allUsers) {
@@ -195,7 +199,7 @@ function contentText() {
 }
 function usage() {
     return [
-        "启点读书签到插件 v2.3.7",
+        "启点读书签到插件 v2.3.8",
         "【一级菜单】",
         "账号管理：启点账号",
         "执行查询：启点查询",
@@ -595,7 +599,7 @@ function normalizeCookieInput(arg) {
 function handleSaveCookie(arg, store, bind) {
     var entries = normalizeCookieInput(arg)
     if (!entries.length) return "未识别到 Cookie。请发送：启点ck {\"uid\":\"cookie\"} 或 启点ck <QX抓到的完整cookie>"
-    var me = currentUserId()
+    var me = currentOwnerId()
     var lines = []
     for (var i = 0; i < entries.length; i++) {
         var cookie = entries[i].cookie
@@ -609,10 +613,6 @@ function handleSaveCookie(arg, store, bind) {
             lines.push("无权更新 uid: " + uid + "（该账号已绑定其他用户）")
             continue
         }
-        if (!me) {
-            lines.push("无法识别当前用户，拒绝保存 uid: " + uid + "。诊断: " + currentUserDebug())
-            continue
-        }
         var changed = store[uid] !== cookie
         store[uid] = cookie
         bind[uid] = me
diff --git a/plugins/qdreader/qdreader_sign_autman.js b/plugins/qdreader/qdreader_sign_autman.js
index 2c16d39..1c6ca86 100644
--- a/plugins/qdreader/qdreader_sign_autman.js
+++ b/plugins/qdreader/qdreader_sign_autman.js
@@ -4,7 +4,7 @@
 //[author: Hermes]
 //[service: BOSS]
 //[class: 工具类]
-//[version: 2.3.7]
+//[version: 2.3.8]
 //[platform: web,qq,wx,tg,tb,fs,we]
 //[public: false]
 //[price: 0]
@@ -26,6 +26,7 @@ var RETRY_KEY = "qdreader_retry_count"
 var CRON_SILENT_KEY = "qdreader_cron_silent"
 var LAST_RESULT_KEY = "qdreader_last_result_json"
 var LAST_RUN_KEY = "qdreader_last_run_json"
+var DEFAULT_OWNER = "__qdreader_default_owner__"
 var DEFAULT_SIGN_API = "https://api.120399.xyz/qdreader"
 var QIDIAN_BASE = "https://h5.if.qidian.com"
 var CHECKIN_PATH = "/argus/api/v3/checkin/checkin"
@@ -101,6 +102,9 @@ function currentUserId() {
     for (var k = 0; k < names.length && !v; k++) { try { if (typeof this[names[k]] === "function") v = this[names[k]]() || "" } catch (e) {} }
     return trim(v)
 }
+function currentOwnerId() {
+    return currentUserId() || DEFAULT_OWNER
+}
 function currentUserDebug() {
     var parts = []
     try { if (typeof sender !== "undefined" && sender) {
@@ -113,7 +117,7 @@ function currentUserDebug() {
 }
 function boundToCurrent(uid, bind) {
     var owner = bind && bind[String(uid)] ? String(bind[String(uid)]) : ""
-    var me = currentUserId()
+    var me = currentOwnerId()
     return !!owner && !!me && owner === me
 }
 function visibleUids(store, bind, allUsers) {
@@ -195,7 +199,7 @@ function contentText() {
 }
 function usage() {
     return [
-        "启点读书签到插件 v2.3.7",
+        "启点读书签到插件 v2.3.8",
         "【一级菜单】",
         "账号管理：启点账号",
         "执行查询：启点查询",
@@ -595,7 +599,7 @@ function normalizeCookieInput(arg) {
 function handleSaveCookie(arg, store, bind) {
     var entries = normalizeCookieInput(arg)
     if (!entries.length) return "未识别到 Cookie。请发送：启点ck {\"uid\":\"cookie\"} 或 启点ck <QX抓到的完整cookie>"
-    var me = currentUserId()
+    var me = currentOwnerId()
     var lines = []
     for (var i = 0; i < entries.length; i++) {
         var cookie = entries[i].cookie
@@ -609,10 +613,6 @@ function handleSaveCookie(arg, store, bind) {
             lines.push("无权更新 uid: " + uid + "（该账号已绑定其他用户）")
             continue
         }
-        if (!me) {
-            lines.push("无法识别当前用户，拒绝保存 uid: " + uid + "。诊断: " + currentUserDebug())
-            continue
-        }
         var changed = store[uid] !== cookie
         store[uid] = cookie
         bind[uid] = me
diff --git a/tests/qdreader_plugin.test.mjs b/tests/qdreader_plugin.test.mjs
index 88c73ab..f440c9b 100644
--- a/tests/qdreader_plugin.test.mjs
+++ b/tests/qdreader_plugin.test.mjs
@@ -111,6 +111,18 @@ test('quick submit can bind user from alternate Autman sender fields', () => {
   assert.equal(JSON.parse(r.store.qdreader_user_bind_json)['12345'], 'sender-42');
 });
 
+test('quick submit uses default local owner when Autman JS has no user identity', () => {
+  const r = runPlugin({
+    content: '启点ck ' + cookie,
+    userId: '',
+    senderOverrides: { getUserID: undefined },
+    listens: ['n'],
+  });
+  assert.match(r.replies.join('\n'), /CK新增成功/);
+  assert.doesNotMatch(r.replies.join('\n'), /无法识别当前用户/);
+  assert.equal(JSON.parse(r.store.qdreader_user_bind_json)['12345'], '__qdreader_default_owner__');
+});
+
 test('manual sign and cron sign both call sign gateway then qidian checkin', () => {
   const store = {
     qdreader_cookie_json: JSON.stringify({ '12345': cookie }),
@@ -135,21 +147,22 @@ test('manual sign and cron sign both call sign gateway then qidian checkin', ()
   assert.equal(JSON.parse(cron.store.qdreader_last_run_json).source, 'cron');
 });
 
-test('bucketGet/bucketSet fallback requires identifiable user before saving', () => {
+test('bucketGet/bucketSet fallback saves with default owner when user identity is absent', () => {
   const replies = [];
   const bucketStore = {};
   const ctx = {
     console,
     Buffer,
-    sender: { reply: (msg) => replies.push(String(msg)), getMessage: () => '启点ck ' + cookie },
+    sender: { reply: (msg) => replies.push(String(msg)), getMessage: () => '启点ck ' + cookie, listen: () => 'n' },
     bucketGet: (bucket, key) => bucketStore[`${bucket}.${key}`] || '',
     bucketSet: (bucket, key, value) => { bucketStore[`${bucket}.${key}`] = String(value); },
     request: () => ({ body: { code: 0, data: { headers: {} } } }),
   };
   vm.createContext(ctx);
   vm.runInContext(code, ctx, { filename: pluginPath });
-  assert.match(replies.join('\n'), /无法识别当前用户，拒绝保存/);
-  assert.equal(bucketStore['hermes_qidian.qdreader_cookie_json'], '{}');
+  assert.match(replies.join('\n'), /CK新增成功/);
+  assert.equal(JSON.parse(bucketStore['hermes_qidian.qdreader_cookie_json'])['12345'], cookie);
+  assert.equal(JSON.parse(bucketStore['hermes_qidian.qdreader_user_bind_json'])['12345'], '__qdreader_default_owner__');
 });
 
 test('hermes_qidian bucket values are read and written without legacy bucket fallback', () => {