diff --git a/background.js b/background.js
index 51cc9cb..5dc8522 100644
--- a/background.js
+++ b/background.js
@@ -913,7 +913,7 @@ const PERSISTED_SETTING_DEFAULTS = {
   panelMode: 'cpa',
   activeFlowId: DEFAULT_ACTIVE_FLOW_ID,
   kiroTargetId: 'kiro-rs',
-  kiroRsUrl: self.MultiPageFlowRegistry?.DEFAULT_KIRO_RS_URL || 'https://kiro.leftcode.xyz/admin',
+  kiroRsUrl: String(self.MultiPageFlowRegistry?.DEFAULT_KIRO_RS_URL || '').trim(),
   kiroRsKey: '',
   vpsUrl: '',
   vpsPassword: '',
@@ -2769,11 +2769,7 @@ function normalizePersistentSettingValue(key, value) {
       }
       return String(value || '').trim().toLowerCase() === 'kiro-rs' ? 'kiro-rs' : 'kiro-rs';
     case 'kiroRsUrl':
-      return String(
-        value
-        || self.MultiPageFlowRegistry?.DEFAULT_KIRO_RS_URL
-        || 'https://kiro.leftcode.xyz/admin'
-      ).trim() || 'https://kiro.leftcode.xyz/admin';
+      return String(value || '').trim();
     case 'kiroRsKey':
       return String(value || '').trim();
     case 'vpsUrl':
diff --git a/shared/flow-registry.js b/shared/flow-registry.js
index 136ec20..49c7dc5 100644
--- a/shared/flow-registry.js
+++ b/shared/flow-registry.js
@@ -5,7 +5,7 @@
   const DEFAULT_OPENAI_TARGET_ID = 'cpa';
   const DEFAULT_KIRO_TARGET_ID = 'kiro-rs';
   const DEFAULT_KIRO_PUBLICATION_TARGET_ID = 'kiro-rs';
-  const DEFAULT_KIRO_RS_URL = 'https://kiro.leftcode.xyz/admin';
+  const DEFAULT_KIRO_RS_URL = '';
   const OPENAI_TARGET_IDS = Object.freeze(['cpa', 'sub2api', 'codex2api']);
   const SHARED_SERVICE_IDS = Object.freeze(['account', 'email', 'proxy']);
 
diff --git a/shared/settings-schema.js b/shared/settings-schema.js
index 2086d98..dd5a1bf 100644
--- a/shared/settings-schema.js
+++ b/shared/settings-schema.js
@@ -37,7 +37,7 @@
     ).trim().toLowerCase() || 'openai';
     const defaultOpenAiTargetId = flowRegistry.DEFAULT_OPENAI_TARGET_ID || 'cpa';
     const defaultKiroTargetId = flowRegistry.DEFAULT_KIRO_TARGET_ID || 'kiro-rs';
-    const defaultKiroRsUrl = flowRegistry.DEFAULT_KIRO_RS_URL || 'https://kiro.leftcode.xyz/admin';
+    const defaultKiroRsUrl = String(flowRegistry.DEFAULT_KIRO_RS_URL || '').trim();
     const normalizeFlowId = typeof flowRegistry.normalizeFlowId === 'function'
       ? flowRegistry.normalizeFlowId
       : ((value = '', fallback = defaultFlowId) => {
diff --git a/sidepanel/sidepanel.html b/sidepanel/sidepanel.html
index 7d73a75..161aa40 100644
--- a/sidepanel/sidepanel.html
+++ b/sidepanel/sidepanel.html
@@ -243,8 +243,11 @@
       </div>
       <div class="data-row" id="row-kiro-rs-url" style="display:none;">
         <span class="data-label">kiro.rs</span>
-        <input type="text" id="input-kiro-rs-url" class="data-input"
-          placeholder="https://kiro.leftcode.xyz/admin" />
+        <div class="data-inline">
+          <input type="text" id="input-kiro-rs-url" class="data-input"
+            placeholder="请输入 kiro.rs 管理地址" />
+          <button id="btn-open-kiro-rs-github" class="btn btn-ghost btn-xs data-inline-btn" type="button">GitHub</button>
+        </div>
       </div>
       <div class="data-row" id="row-kiro-rs-key" style="display:none;">
         <span class="data-label">API Key</span>
diff --git a/sidepanel/sidepanel.js b/sidepanel/sidepanel.js
index 4e0c746..a6b2919 100644
--- a/sidepanel/sidepanel.js
+++ b/sidepanel/sidepanel.js
@@ -173,6 +173,7 @@ const rowCodex2ApiAdminKey = document.getElementById('row-codex2api-admin-key');
 const inputCodex2ApiAdminKey = document.getElementById('input-codex2api-admin-key');
 const rowKiroRsUrl = document.getElementById('row-kiro-rs-url');
 const inputKiroRsUrl = document.getElementById('input-kiro-rs-url');
+const btnOpenKiroRsGithub = document.getElementById('btn-open-kiro-rs-github');
 const rowKiroRsKey = document.getElementById('row-kiro-rs-key');
 const inputKiroRsKey = document.getElementById('input-kiro-rs-key');
 const btnTestKiroRs = document.getElementById('btn-test-kiro-rs');
@@ -4256,9 +4257,7 @@ function collectSettingsPayload() {
       return Number.isSafeInteger(numeric) && numeric >= 1 ? numeric : 1;
     });
   const flowRegistryApi = typeof getFlowRegistry === 'function' ? getFlowRegistry() : null;
-  const defaultKiroRsUrl = String(
-    flowRegistryApi?.DEFAULT_KIRO_RS_URL || 'https://kiro.leftcode.xyz/admin'
-  ).trim() || 'https://kiro.leftcode.xyz/admin';
+  const defaultKiroRsUrl = String(flowRegistryApi?.DEFAULT_KIRO_RS_URL || '').trim();
   const normalizeKiroTargetIdSafe = typeof normalizeTargetIdForFlow === 'function'
     ? normalizeTargetIdForFlow
     : ((_flowId, targetId = '', fallback = 'kiro-rs') => {
@@ -10034,11 +10033,7 @@ function applySettingsState(state) {
   }
   inputSub2ApiDefaultProxy.value = state?.sub2apiDefaultProxyName || '';
   if (typeof inputKiroRsUrl !== 'undefined' && inputKiroRsUrl) {
-    inputKiroRsUrl.value = String(
-      state?.kiroRsUrl
-      || getFlowRegistry()?.DEFAULT_KIRO_RS_URL
-      || 'https://kiro.leftcode.xyz/admin'
-    ).trim();
+    inputKiroRsUrl.value = String(state?.kiroRsUrl || '').trim();
   }
   if (typeof inputKiroRsKey !== 'undefined' && inputKiroRsKey) {
     inputKiroRsKey.value = String(state?.kiroRsKey || '');
@@ -13893,6 +13888,10 @@ btnGpcHelperConvertApiKey?.addEventListener('click', () => {
   openExternalUrl(GPC_HELPER_PORTAL_URL);
 });
 
+btnOpenKiroRsGithub?.addEventListener('click', () => {
+  openExternalUrl('https://github.com/hank9999/kiro.rs');
+});
+
 btnGpcHelperBalance?.addEventListener('click', async () => {
   try {
     const response = await chrome.runtime.sendMessage({
diff --git a/tests/background-account-history-settings.test.js b/tests/background-account-history-settings.test.js
index 1ce803d..425efd4 100644
--- a/tests/background-account-history-settings.test.js
+++ b/tests/background-account-history-settings.test.js
@@ -134,7 +134,7 @@ const FIVE_SIM_SUPPORTED_COUNTRY_ID_SET = new Set(['indonesia', 'thailand', 'vie
 const HERO_SMS_SUPPORTED_COUNTRY_ID_SET = new Set(['6', '52', '10']);
 const self = {
   MultiPageFlowRegistry: {
-    DEFAULT_KIRO_RS_URL: 'https://kiro.leftcode.xyz/admin',
+    DEFAULT_KIRO_RS_URL: '',
     normalizeFlowId(value, fallback = 'openai') {
       const normalized = String(value || '').trim().toLowerCase();
       if (normalized === 'kiro') {
@@ -277,7 +277,7 @@ return {
   assert.equal(api.normalizePersistentSettingValue('activeFlowId', 'codex'), 'openai');
   assert.equal(api.normalizePersistentSettingValue('activeFlowId', 'kiro'), 'kiro');
   assert.equal(api.normalizePersistentSettingValue('kiroTargetId', 'unknown'), 'kiro-rs');
-  assert.equal(api.normalizePersistentSettingValue('kiroRsUrl', ''), 'https://kiro.leftcode.xyz/admin');
+  assert.equal(api.normalizePersistentSettingValue('kiroRsUrl', ''), '');
   assert.equal(api.normalizePersistentSettingValue('kiroRsKey', ' key-1 '), 'key-1');
   assert.equal(api.normalizePersistentSettingValue('phoneSmsProvider', '5SIM'), '5sim');
   assert.equal(api.normalizePersistentSettingValue('phoneSmsProvider', 'NEXSMS'), 'nexsms');
diff --git a/tests/background-settings-schema-persistence.test.js b/tests/background-settings-schema-persistence.test.js
index 6630399..daf5b37 100644
--- a/tests/background-settings-schema-persistence.test.js
+++ b/tests/background-settings-schema-persistence.test.js
@@ -101,7 +101,7 @@ const PERSISTED_SETTING_DEFAULTS = {
   ipProxyService: '711proxy',
   ipProxyMode: 'account',
   kiroTargetId: 'kiro-rs',
-  kiroRsUrl: 'https://kiro.leftcode.xyz/admin',
+  kiroRsUrl: '',
   kiroRsKey: '',
   stepExecutionRangeByFlow: {},
 };
diff --git a/tests/sidepanel-flow-source-registry.test.js b/tests/sidepanel-flow-source-registry.test.js
index 7105eb7..c8be10a 100644
--- a/tests/sidepanel-flow-source-registry.test.js
+++ b/tests/sidepanel-flow-source-registry.test.js
@@ -39,6 +39,7 @@ test('sidepanel html exposes flow selector and kiro source fields', () => {
     'id="label-source-selector"',
     'id="row-step6-cookie-settings"',
     'id="row-kiro-rs-url"',
+    'id="btn-open-kiro-rs-github"',
     'id="row-kiro-rs-key"',
     'id="btn-test-kiro-rs"',
     'id="row-kiro-rs-test-status"',