diff --git a/background.js b/background.js
index faf1d9b..a411008 100644
--- a/background.js
+++ b/background.js
@@ -1453,6 +1453,7 @@ const PERSISTED_SETTING_DEFAULTS = {
   madaoRoutingPlanId: '',
   madaoProviderId: '',
   madaoCountry: '',
+  madaoOperator: '',
   madaoAutoPickCountry: true,
   madaoReusePhone: true,
   madaoMinPrice: '',
@@ -2245,6 +2246,13 @@ function normalizeMaDaoPrice(value = '') {
   return normalizeHeroSmsMaxPrice(value);
 }
 
+function normalizeMaDaoOperator(value = '') {
+  return String(value || '')
+    .trim()
+    .toLowerCase()
+    .replace(/[^a-z0-9_-]+/g, '');
+}
+
 function normalizePhonePreferredActivation(value) {
   if (!value || typeof value !== 'object' || Array.isArray(value)) {
     return null;
@@ -3595,6 +3603,8 @@ function normalizePersistentSettingValue(key, value) {
       return normalizeMaDaoProviderId(value);
     case 'madaoCountry':
       return normalizeMaDaoCountry(value);
+    case 'madaoOperator':
+      return normalizeMaDaoOperator(value);
     case 'madaoAutoPickCountry':
     case 'madaoReusePhone':
       return Boolean(value);
diff --git a/phone-sms/providers/madao.js b/phone-sms/providers/madao.js
index b4185c2..c3a0320 100644
--- a/phone-sms/providers/madao.js
+++ b/phone-sms/providers/madao.js
@@ -255,6 +255,7 @@
       service: normalizeText(options?.service || state?.madaoServiceName, DEFAULT_SERVICE),
     };
     const country = normalizeCountry(options?.country || state?.madaoCountry);
+    const operator = normalizeProviderId(options?.operator || state?.madaoOperator);
     const minPrice = normalizePrice(options?.minPrice ?? state?.madaoMinPrice);
     const maxPrice = normalizePrice(options?.maxPrice ?? state?.madaoMaxPrice);
 
@@ -268,6 +269,9 @@
     if (country) {
       request.country = country;
     }
+    if (operator) {
+      request.metadata = { operator };
+    }
     if (minPrice !== null) {
       request.min_price = minPrice;
     }
diff --git a/sidepanel/sidepanel.html b/sidepanel/sidepanel.html
index d3e2af7..1374717 100644
--- a/sidepanel/sidepanel.html
+++ b/sidepanel/sidepanel.html
@@ -1565,6 +1565,33 @@
                 <button id="btn-madao-refresh-routing-plans" class="btn btn-ghost btn-xs data-inline-btn" type="button">刷新</button>
               </div>
             </div>
+            <div class="data-row" id="row-madao-provider-id" style="display:none;">
+              <span class="data-label">MaDao 服务商</span>
+              <div class="data-inline data-value-actions">
+                <select id="select-madao-provider-id" class="data-select mono">
+                  <option value="">请先刷新服务商</option>
+                </select>
+                <button id="btn-madao-refresh-providers" class="btn btn-ghost btn-xs data-inline-btn" type="button">刷新</button>
+              </div>
+            </div>
+            <div class="data-row" id="row-madao-country" style="display:none;">
+              <span class="data-label">MaDao 国家</span>
+              <div class="data-inline data-value-actions">
+                <select id="select-madao-country" class="data-select mono">
+                  <option value="">请先选择服务商</option>
+                </select>
+                <button id="btn-madao-refresh-countries" class="btn btn-ghost btn-xs data-inline-btn" type="button">刷新</button>
+              </div>
+            </div>
+            <div class="data-row" id="row-madao-operator" style="display:none;">
+              <span class="data-label">MaDao 线路</span>
+              <div class="data-inline data-value-actions">
+                <select id="select-madao-operator" class="data-select mono">
+                  <option value="">任意线路</option>
+                </select>
+                <button id="btn-madao-refresh-operators" class="btn btn-ghost btn-xs data-inline-btn" type="button">刷新</button>
+              </div>
+            </div>
             <div class="data-row" id="row-madao-price-range" style="display:none;">
               <span class="data-label">MaDao 价格</span>
               <div class="data-inline hero-sms-price-preview-stack">
diff --git a/sidepanel/sidepanel.js b/sidepanel/sidepanel.js
index fcd6f84..a8e38ea 100644
--- a/sidepanel/sidepanel.js
+++ b/sidepanel/sidepanel.js
@@ -460,6 +460,7 @@ const rowMaDaoMode = document.getElementById('row-madao-mode');
 const rowMaDaoRoutingPlanId = document.getElementById('row-madao-routing-plan-id');
 const rowMaDaoProviderId = document.getElementById('row-madao-provider-id');
 const rowMaDaoCountry = document.getElementById('row-madao-country');
+const rowMaDaoOperator = document.getElementById('row-madao-operator');
 const rowMaDaoAutoPickCountry = document.getElementById('row-madao-auto-pick-country');
 const rowMaDaoReusePhone = document.getElementById('row-madao-reuse-phone');
 const rowMaDaoPriceRange = document.getElementById('row-madao-price-range');
@@ -496,8 +497,12 @@ const btnToggleMaDaoHttpSecret = document.getElementById('btn-toggle-madao-http-
 const selectMaDaoMode = document.getElementById('select-madao-mode');
 const selectMaDaoRoutingPlanId = document.getElementById('select-madao-routing-plan-id');
 const btnMaDaoRefreshRoutingPlans = document.getElementById('btn-madao-refresh-routing-plans');
-const inputMaDaoProviderId = document.getElementById('input-madao-provider-id');
-const inputMaDaoCountry = document.getElementById('input-madao-country');
+const selectMaDaoProviderId = document.getElementById('select-madao-provider-id');
+const btnMaDaoRefreshProviders = document.getElementById('btn-madao-refresh-providers');
+const selectMaDaoCountry = document.getElementById('select-madao-country');
+const btnMaDaoRefreshCountries = document.getElementById('btn-madao-refresh-countries');
+const selectMaDaoOperator = document.getElementById('select-madao-operator');
+const btnMaDaoRefreshOperators = document.getElementById('btn-madao-refresh-operators');
 const inputMaDaoAutoPickCountry = document.getElementById('input-madao-auto-pick-country');
 const inputMaDaoReusePhone = document.getElementById('input-madao-reuse-phone');
 const inputMaDaoMinPrice = document.getElementById('input-madao-min-price');
@@ -691,6 +696,9 @@ const MADAO_MODE_ROUTING_PLAN = 'routing_plan';
 const MADAO_MODE_DIRECT = 'direct';
 const DEFAULT_MADAO_MODE = MADAO_MODE_ROUTING_PLAN;
 let maDaoRoutingPlanOptions = [];
+let maDaoProviderOptions = [];
+let maDaoCountryOptions = [];
+let maDaoOperatorOptions = [];
 const PHONE_SMS_PROVIDER_UI_DESCRIPTORS = Object.freeze({
   [PHONE_SMS_PROVIDER_HERO]: Object.freeze({
     rowKeys: Object.freeze([
@@ -734,6 +742,9 @@ const PHONE_SMS_PROVIDER_UI_DESCRIPTORS = Object.freeze({
       'rowMaDaoRoutingPlanId',
     ]),
     directRowKeys: Object.freeze([
+      'rowMaDaoProviderId',
+      'rowMaDaoCountry',
+      'rowMaDaoOperator',
       'rowMaDaoPriceRange',
     ]),
   }),
@@ -763,6 +774,7 @@ function getPhoneSmsProviderUiRowMap() {
     rowMaDaoRoutingPlanId,
     rowMaDaoProviderId,
     rowMaDaoCountry,
+    rowMaDaoOperator,
     rowMaDaoAutoPickCountry,
     rowMaDaoReusePhone,
     rowMaDaoPriceRange,
@@ -4453,6 +4465,9 @@ function collectSettingsPayload() {
   const normalizeMaDaoProviderIdSafe = typeof normalizeMaDaoProviderIdValue === 'function'
     ? normalizeMaDaoProviderIdValue
     : ((value = '') => String(value || '').trim().toLowerCase().replace(/[^a-z0-9_-]+/g, ''));
+  const normalizeMaDaoOperatorSafe = typeof normalizeMaDaoOperatorValue === 'function'
+    ? normalizeMaDaoOperatorValue
+    : ((value = '') => String(value || '').trim().toLowerCase().replace(/[^a-z0-9_-]+/g, ''));
   const normalizeMaDaoCountrySafe = typeof normalizeMaDaoCountry === 'function'
     ? normalizeMaDaoCountry
     : ((value = '') => {
@@ -4639,12 +4654,16 @@ function collectSettingsPayload() {
   const maDaoRoutingPlanIdValue = typeof selectMaDaoRoutingPlanId !== 'undefined' && selectMaDaoRoutingPlanId
     ? normalizeMaDaoIdentifierSafe(selectMaDaoRoutingPlanId.value || '')
     : normalizeMaDaoIdentifierSafe(latestState?.madaoRoutingPlanId || '');
-  const maDaoProviderIdValue = typeof inputMaDaoProviderId !== 'undefined' && inputMaDaoProviderId
-    ? normalizeMaDaoProviderIdSafe(inputMaDaoProviderId.value || '')
+  const shouldReadMaDaoDirectControls = maDaoModeValue === MADAO_MODE_DIRECT;
+  const maDaoProviderIdValue = shouldReadMaDaoDirectControls && typeof selectMaDaoProviderId !== 'undefined' && selectMaDaoProviderId
+    ? normalizeMaDaoProviderIdSafe(selectMaDaoProviderId.value || '')
     : normalizeMaDaoProviderIdSafe(latestState?.madaoProviderId || '');
-  const maDaoCountryValue = typeof inputMaDaoCountry !== 'undefined' && inputMaDaoCountry
-    ? normalizeMaDaoCountrySafe(inputMaDaoCountry.value || '')
+  const maDaoCountryValue = shouldReadMaDaoDirectControls && typeof selectMaDaoCountry !== 'undefined' && selectMaDaoCountry
+    ? normalizeMaDaoCountrySafe(selectMaDaoCountry.value || '')
     : normalizeMaDaoCountrySafe(latestState?.madaoCountry || '');
+  const maDaoOperatorValue = shouldReadMaDaoDirectControls && typeof selectMaDaoOperator !== 'undefined' && selectMaDaoOperator
+    ? normalizeMaDaoOperatorSafe(selectMaDaoOperator.value || '')
+    : normalizeMaDaoOperatorSafe(latestState?.madaoOperator || '');
   const maDaoAutoPickCountryValue = typeof inputMaDaoAutoPickCountry !== 'undefined' && inputMaDaoAutoPickCountry
     ? Boolean(inputMaDaoAutoPickCountry.checked)
     : (latestState?.madaoAutoPickCountry !== undefined ? Boolean(latestState.madaoAutoPickCountry) : true);
@@ -5271,6 +5290,7 @@ function collectSettingsPayload() {
     madaoRoutingPlanId: maDaoRoutingPlanIdValue,
     madaoProviderId: maDaoProviderIdValue,
     madaoCountry: maDaoCountryValue,
+    madaoOperator: maDaoOperatorValue,
     madaoAutoPickCountry: maDaoAutoPickCountryValue,
     madaoReusePhone: maDaoReusePhoneValue,
     madaoMinPrice: maDaoMinPriceValue,
@@ -5681,6 +5701,10 @@ function normalizeMaDaoProviderIdValue(value = '') {
   return String(value || '').trim().toLowerCase().replace(/[^a-z0-9_-]+/g, '');
 }
 
+function normalizeMaDaoOperatorValue(value = '') {
+  return String(value || '').trim().toLowerCase().replace(/[^a-z0-9_-]+/g, '');
+}
+
 function normalizeMaDaoCountry(value = '') {
   const trimmed = String(value || '').trim();
   if (!trimmed) {
@@ -5811,6 +5835,85 @@ function setMaDaoRoutingPlanSelectOptions(selectedValue = latestState?.madaoRout
   });
 }
 
+function normalizeMaDaoOptionListItems(items = [], selectedValue = '', normalizeValue = normalizeMaDaoIdentifierValue, selectedHint = '已保存的选项') {
+  const normalizedSelected = normalizeValue(selectedValue);
+  const seen = new Set();
+  const normalizedItems = [];
+  (Array.isArray(items) ? items : []).forEach((item) => {
+    const value = normalizeValue(
+      item?.value
+      || item?.id
+      || item?.provider
+      || item?.provider_value
+      || item?.providerValue
+      || item?.country
+      || item?.operator
+      || ''
+    );
+    if (!value || seen.has(value)) {
+      return;
+    }
+    seen.add(value);
+    normalizedItems.push({
+      value,
+      label: String(item?.label || item?.name || item?.display_name || item?.displayName || value).trim() || value,
+      hint: String(item?.hint || item?.description || item?.provider_value || item?.providerValue || '').trim(),
+      enabled: item?.enabled !== false,
+    });
+  });
+  if (normalizedSelected && !seen.has(normalizedSelected)) {
+    normalizedItems.unshift({
+      value: normalizedSelected,
+      label: normalizedSelected,
+      hint: selectedHint,
+      enabled: true,
+    });
+  }
+  return normalizedItems.filter((item) => item.enabled !== false);
+}
+
+function setMaDaoProviderSelectOptions(selectedValue = latestState?.madaoProviderId || '') {
+  const normalizedSelected = normalizeMaDaoProviderIdValue(selectedValue);
+  const options = normalizeMaDaoOptionListItems(
+    maDaoProviderOptions,
+    normalizedSelected,
+    normalizeMaDaoProviderIdValue,
+    '已保存的服务商'
+  );
+  setSelectOptions(selectMaDaoProviderId, options, {
+    placeholder: '请先刷新服务商',
+    value: normalizedSelected,
+  });
+}
+
+function setMaDaoCountrySelectOptions(selectedValue = latestState?.madaoCountry || '') {
+  const normalizedSelected = normalizeMaDaoCountry(selectedValue);
+  const options = normalizeMaDaoOptionListItems(
+    maDaoCountryOptions,
+    normalizedSelected,
+    normalizeMaDaoCountry,
+    '已保存的国家'
+  );
+  setSelectOptions(selectMaDaoCountry, options, {
+    placeholder: '请先选择服务商',
+    value: normalizedSelected,
+  });
+}
+
+function setMaDaoOperatorSelectOptions(selectedValue = latestState?.madaoOperator || '') {
+  const normalizedSelected = normalizeMaDaoOperatorValue(selectedValue);
+  const options = normalizeMaDaoOptionListItems(
+    maDaoOperatorOptions,
+    normalizedSelected,
+    normalizeMaDaoOperatorValue,
+    '已保存的线路'
+  );
+  setSelectOptions(selectMaDaoOperator, options, {
+    placeholder: '任意线路',
+    value: normalizedSelected,
+  });
+}
+
 function buildMaDaoRequestUrl(path = '', baseUrl = '') {
   const normalizedBaseUrl = normalizeMaDaoBaseUrlValue(baseUrl || latestState?.madaoBaseUrl || DEFAULT_MADAO_BASE_URL);
   return new URL(String(path || '').replace(/^\/+/, ''), `${normalizedBaseUrl.replace(/\/+$/, '')}/`).toString();
@@ -5876,6 +5979,57 @@ function getMaDaoRoutingPlansFromPayload(payload = {}) {
   return [];
 }
 
+function getMaDaoProvidersFromPayload(payload = {}) {
+  if (Array.isArray(payload)) {
+    return payload;
+  }
+  if (Array.isArray(payload?.providers)) {
+    return payload.providers;
+  }
+  if (Array.isArray(payload?.data?.providers)) {
+    return payload.data.providers;
+  }
+  if (Array.isArray(payload?.data)) {
+    return payload.data;
+  }
+  if (Array.isArray(payload?.items)) {
+    return payload.items;
+  }
+  return [];
+}
+
+function getMaDaoOptionItemsFromPayload(payload = {}) {
+  if (Array.isArray(payload)) {
+    return payload;
+  }
+  if (Array.isArray(payload?.items)) {
+    return payload.items;
+  }
+  if (Array.isArray(payload?.data?.items)) {
+    return payload.data.items;
+  }
+  if (Array.isArray(payload?.data)) {
+    return payload.data;
+  }
+  return [];
+}
+
+function getSelectedMaDaoProviderId() {
+  return normalizeMaDaoProviderIdValue(
+    typeof selectMaDaoProviderId !== 'undefined' && selectMaDaoProviderId
+      ? selectMaDaoProviderId.value
+      : latestState?.madaoProviderId
+  );
+}
+
+function getSelectedMaDaoCountry() {
+  return normalizeMaDaoCountry(
+    typeof selectMaDaoCountry !== 'undefined' && selectMaDaoCountry
+      ? selectMaDaoCountry.value
+      : latestState?.madaoCountry
+  );
+}
+
 async function loadMaDaoRoutingPlans(options = {}) {
   const selectedValue = normalizeMaDaoRoutingPlanIdValue(
     typeof selectMaDaoRoutingPlanId !== 'undefined' && selectMaDaoRoutingPlanId
@@ -5905,6 +6059,93 @@ async function loadMaDaoRoutingPlans(options = {}) {
   return maDaoRoutingPlanOptions;
 }
 
+async function loadMaDaoProviders(options = {}) {
+  const selectedValue = normalizeMaDaoProviderIdValue(
+    (typeof selectMaDaoProviderId !== 'undefined' && selectMaDaoProviderId
+      ? selectMaDaoProviderId.value
+      : '')
+      || latestState?.madaoProviderId
+  );
+  const payload = await fetchMaDaoJson('/api/providers');
+  maDaoProviderOptions = getMaDaoProvidersFromPayload(payload)
+    .filter((provider) => provider?.enabled !== false)
+    .map((provider) => ({
+      value: normalizeMaDaoProviderIdValue(provider?.id || provider?.value || provider?.provider || ''),
+      label: String(provider?.name || provider?.label || provider?.id || provider?.value || '').trim(),
+      hint: String(provider?.description || provider?.hint || provider?.protocol_label || provider?.protocolLabel || provider?.kind || '').trim(),
+      enabled: provider?.enabled !== false,
+    }))
+    .filter((provider) => provider.value);
+  setMaDaoProviderSelectOptions(selectedValue);
+  if (!options.skipChildren && getSelectedMaDaoProviderId()) {
+    await loadMaDaoCountries({ silent: true }).catch(() => {
+      setMaDaoCountrySelectOptions(latestState?.madaoCountry || '');
+      setMaDaoOperatorSelectOptions(latestState?.madaoOperator || '');
+    });
+  }
+  updateHeroSmsPlatformDisplay();
+  if (!options.silent && typeof showToast === 'function') {
+    showToast('已刷新 MaDao 服务商。', 'info', 1600);
+  }
+  return maDaoProviderOptions;
+}
+
+async function loadMaDaoCountries(options = {}) {
+  const providerId = getSelectedMaDaoProviderId();
+  const selectedValue = normalizeMaDaoCountry(
+    (typeof selectMaDaoCountry !== 'undefined' && selectMaDaoCountry
+      ? selectMaDaoCountry.value
+      : '')
+      || latestState?.madaoCountry
+  );
+  if (!providerId) {
+    maDaoCountryOptions = [];
+    maDaoOperatorOptions = [];
+    setMaDaoCountrySelectOptions(selectedValue);
+    setMaDaoOperatorSelectOptions(latestState?.madaoOperator || '');
+    return maDaoCountryOptions;
+  }
+  const payload = await fetchMaDaoJson(`/api/providers/${encodeURIComponent(providerId)}/countries`);
+  maDaoCountryOptions = getMaDaoOptionItemsFromPayload(payload);
+  setMaDaoCountrySelectOptions(selectedValue);
+  if (!options.skipChildren) {
+    await loadMaDaoOperators({ silent: true }).catch(() => {
+      setMaDaoOperatorSelectOptions(latestState?.madaoOperator || '');
+    });
+  }
+  updateHeroSmsPlatformDisplay();
+  if (!options.silent && typeof showToast === 'function') {
+    showToast('已刷新 MaDao 国家。', 'info', 1600);
+  }
+  return maDaoCountryOptions;
+}
+
+async function loadMaDaoOperators(options = {}) {
+  const providerId = getSelectedMaDaoProviderId();
+  const country = getSelectedMaDaoCountry();
+  const selectedValue = normalizeMaDaoOperatorValue(
+    typeof selectMaDaoOperator !== 'undefined' && selectMaDaoOperator
+      ? selectMaDaoOperator.value
+      : latestState?.madaoOperator
+  );
+  if (!providerId) {
+    maDaoOperatorOptions = [];
+    setMaDaoOperatorSelectOptions(selectedValue);
+    return maDaoOperatorOptions;
+  }
+  const payload = await fetchMaDaoJson(`/api/providers/${encodeURIComponent(providerId)}/operators`, {
+    method: 'POST',
+    body: country ? { country } : {},
+  });
+  maDaoOperatorOptions = getMaDaoOptionItemsFromPayload(payload);
+  setMaDaoOperatorSelectOptions(selectedValue);
+  updateHeroSmsPlatformDisplay();
+  if (!options.silent && typeof showToast === 'function') {
+    showToast('已刷新 MaDao 线路。', 'info', 1600);
+  }
+  return maDaoOperatorOptions;
+}
+
 function getSelectedMaDaoRoutingPlanLabel(value = '') {
   const selectedValue = normalizeMaDaoRoutingPlanIdValue(
     value
@@ -12035,6 +12276,11 @@ function applySettingsState(state) {
       loadMaDaoRoutingPlans({ silent: true }).catch(() => {
         setMaDaoRoutingPlanSelectOptions(state?.madaoRoutingPlanId || '');
       });
+      loadMaDaoProviders({ silent: true }).catch(() => {
+        setMaDaoProviderSelectOptions(state?.madaoProviderId || '');
+        setMaDaoCountrySelectOptions(state?.madaoCountry || '');
+        setMaDaoOperatorSelectOptions(state?.madaoOperator || '');
+      });
     } else {
       loadHeroSmsCountries({ silent: true }).catch(() => { });
     }
@@ -12077,11 +12323,14 @@ function applySettingsState(state) {
   if (typeof selectMaDaoRoutingPlanId !== 'undefined' && selectMaDaoRoutingPlanId) {
     setMaDaoRoutingPlanSelectOptions(state?.madaoRoutingPlanId || '');
   }
-  if (typeof inputMaDaoProviderId !== 'undefined' && inputMaDaoProviderId) {
-    inputMaDaoProviderId.value = normalizeMaDaoProviderIdValue(state?.madaoProviderId || '');
+  if (typeof selectMaDaoProviderId !== 'undefined' && selectMaDaoProviderId) {
+    setMaDaoProviderSelectOptions(state?.madaoProviderId || '');
   }
-  if (typeof inputMaDaoCountry !== 'undefined' && inputMaDaoCountry) {
-    inputMaDaoCountry.value = normalizeMaDaoCountry(state?.madaoCountry || '');
+  if (typeof selectMaDaoCountry !== 'undefined' && selectMaDaoCountry) {
+    setMaDaoCountrySelectOptions(state?.madaoCountry || '');
+  }
+  if (typeof selectMaDaoOperator !== 'undefined' && selectMaDaoOperator) {
+    setMaDaoOperatorSelectOptions(state?.madaoOperator || '');
   }
   if (typeof inputMaDaoAutoPickCountry !== 'undefined' && inputMaDaoAutoPickCountry) {
     inputMaDaoAutoPickCountry.checked = state?.madaoAutoPickCountry !== undefined
@@ -17378,17 +17627,26 @@ function buildPhoneSmsProviderStatePatch(provider = getSelectedPhoneSmsProvider(
     };
   }
   if (normalizedProvider === PHONE_SMS_PROVIDER_MADAO) {
+    const maDaoMode = normalizeMaDaoModeValue(selectMaDaoMode?.value || latestState?.madaoMode);
+    const shouldReadMaDaoDirectControls = maDaoMode === MADAO_MODE_DIRECT;
     return {
       madaoBaseUrl: normalizeMaDaoBaseUrlValue(inputMaDaoBaseUrl?.value || latestState?.madaoBaseUrl),
       madaoHttpSecret: String(inputMaDaoHttpSecret?.value || ''),
-      madaoMode: normalizeMaDaoModeValue(selectMaDaoMode?.value || latestState?.madaoMode),
+      madaoMode: maDaoMode,
       madaoRoutingPlanId: normalizeMaDaoRoutingPlanIdValue(
         typeof selectMaDaoRoutingPlanId !== 'undefined' && selectMaDaoRoutingPlanId
           ? selectMaDaoRoutingPlanId.value
           : latestState?.madaoRoutingPlanId
       ),
-      madaoProviderId: normalizeMaDaoProviderIdValue(inputMaDaoProviderId?.value || ''),
-      madaoCountry: normalizeMaDaoCountry(inputMaDaoCountry?.value || ''),
+      madaoProviderId: shouldReadMaDaoDirectControls
+        ? normalizeMaDaoProviderIdValue(selectMaDaoProviderId?.value || '')
+        : normalizeMaDaoProviderIdValue(latestState?.madaoProviderId || ''),
+      madaoCountry: shouldReadMaDaoDirectControls
+        ? normalizeMaDaoCountry(selectMaDaoCountry?.value || '')
+        : normalizeMaDaoCountry(latestState?.madaoCountry || ''),
+      madaoOperator: shouldReadMaDaoDirectControls
+        ? normalizeMaDaoOperatorValue(selectMaDaoOperator?.value || '')
+        : normalizeMaDaoOperatorValue(latestState?.madaoOperator || ''),
       madaoAutoPickCountry: Boolean(inputMaDaoAutoPickCountry?.checked),
       madaoReusePhone: Boolean(inputMaDaoReusePhone?.checked),
       madaoMinPrice: normalizeMaDaoPriceValue(inputMaDaoMinPrice?.value || ''),
@@ -17436,11 +17694,14 @@ function applyPhoneSmsProviderFieldsToInputs(provider = getSelectedPhoneSmsProvi
   if (typeof selectMaDaoRoutingPlanId !== 'undefined' && selectMaDaoRoutingPlanId) {
     setMaDaoRoutingPlanSelectOptions(state?.madaoRoutingPlanId || '');
   }
-  if (typeof inputMaDaoProviderId !== 'undefined' && inputMaDaoProviderId) {
-    inputMaDaoProviderId.value = normalizeMaDaoProviderIdValue(state?.madaoProviderId || '');
+  if (typeof selectMaDaoProviderId !== 'undefined' && selectMaDaoProviderId) {
+    setMaDaoProviderSelectOptions(state?.madaoProviderId || '');
   }
-  if (typeof inputMaDaoCountry !== 'undefined' && inputMaDaoCountry) {
-    inputMaDaoCountry.value = normalizeMaDaoCountry(state?.madaoCountry || '');
+  if (typeof selectMaDaoCountry !== 'undefined' && selectMaDaoCountry) {
+    setMaDaoCountrySelectOptions(state?.madaoCountry || '');
+  }
+  if (typeof selectMaDaoOperator !== 'undefined' && selectMaDaoOperator) {
+    setMaDaoOperatorSelectOptions(state?.madaoOperator || '');
   }
   if (typeof inputMaDaoAutoPickCountry !== 'undefined' && inputMaDaoAutoPickCountry) {
     inputMaDaoAutoPickCountry.checked = state?.madaoAutoPickCountry !== undefined
@@ -17523,6 +17784,11 @@ async function switchPhoneSmsProvider(nextProvider) {
     await loadMaDaoRoutingPlans({ silent: true }).catch(() => {
       setMaDaoRoutingPlanSelectOptions(latestState?.madaoRoutingPlanId || '');
     });
+    await loadMaDaoProviders({ silent: true }).catch(() => {
+      setMaDaoProviderSelectOptions(latestState?.madaoProviderId || '');
+      setMaDaoCountrySelectOptions(latestState?.madaoCountry || '');
+      setMaDaoOperatorSelectOptions(latestState?.madaoOperator || '');
+    });
   } else if (normalizedNextProvider === PHONE_SMS_PROVIDER_HERO_SMS) {
     await loadHeroSmsCountries({ silent: true });
     const restoredPrimary = {
@@ -17733,6 +17999,12 @@ selectMaDaoMode?.addEventListener('change', () => {
     loadMaDaoRoutingPlans({ silent: true }).catch(() => {
       setMaDaoRoutingPlanSelectOptions(latestState?.madaoRoutingPlanId || '');
     });
+  } else {
+    loadMaDaoProviders({ silent: true }).catch(() => {
+      setMaDaoProviderSelectOptions(latestState?.madaoProviderId || '');
+      setMaDaoCountrySelectOptions(latestState?.madaoCountry || '');
+      setMaDaoOperatorSelectOptions(latestState?.madaoOperator || '');
+    });
   }
   markSettingsDirty(true);
   saveSettings({ silent: true }).catch(() => { });
@@ -17750,23 +18022,60 @@ btnMaDaoRefreshRoutingPlans?.addEventListener('click', () => {
   });
 });
 
-inputMaDaoProviderId?.addEventListener('input', () => {
+selectMaDaoProviderId?.addEventListener('change', () => {
+  maDaoCountryOptions = [];
+  maDaoOperatorOptions = [];
+  setMaDaoCountrySelectOptions('');
+  setMaDaoOperatorSelectOptions('');
+  syncLatestState({
+    madaoProviderId: normalizeMaDaoProviderIdValue(selectMaDaoProviderId.value),
+    madaoCountry: '',
+    madaoOperator: '',
+  });
   markSettingsDirty(true);
-  scheduleSettingsAutoSave();
+  saveSettings({ silent: true }).catch(() => { });
+  loadMaDaoCountries({ silent: true }).catch((error) => {
+    showToast(`刷新 MaDao 国家失败：${error?.message || error}`, 'warn', 2200);
+  });
 });
-inputMaDaoProviderId?.addEventListener('blur', () => {
-  inputMaDaoProviderId.value = normalizeMaDaoProviderIdValue(inputMaDaoProviderId.value);
+
+btnMaDaoRefreshProviders?.addEventListener('click', () => {
+  loadMaDaoProviders().catch((error) => {
+    showToast(`刷新 MaDao 服务商失败：${error?.message || error}`, 'warn', 2200);
+  });
+});
+
+selectMaDaoCountry?.addEventListener('change', () => {
+  maDaoOperatorOptions = [];
+  setMaDaoOperatorSelectOptions('');
+  updateHeroSmsPlatformDisplay();
+  syncLatestState({
+    madaoCountry: normalizeMaDaoCountry(selectMaDaoCountry.value),
+    madaoOperator: '',
+  });
+  markSettingsDirty(true);
+  saveSettings({ silent: true }).catch(() => { });
+  loadMaDaoOperators({ silent: true }).catch((error) => {
+    showToast(`刷新 MaDao 线路失败：${error?.message || error}`, 'warn', 2200);
+  });
+});
+
+btnMaDaoRefreshCountries?.addEventListener('click', () => {
+  loadMaDaoCountries().catch((error) => {
+    showToast(`刷新 MaDao 国家失败：${error?.message || error}`, 'warn', 2200);
+  });
+});
+
+selectMaDaoOperator?.addEventListener('change', () => {
+  updateHeroSmsPlatformDisplay();
+  markSettingsDirty(true);
   saveSettings({ silent: true }).catch(() => { });
 });
 
-inputMaDaoCountry?.addEventListener('input', () => {
-  markSettingsDirty(true);
-  scheduleSettingsAutoSave();
-});
-inputMaDaoCountry?.addEventListener('blur', () => {
-  inputMaDaoCountry.value = normalizeMaDaoCountry(inputMaDaoCountry.value);
-  updateHeroSmsPlatformDisplay();
-  saveSettings({ silent: true }).catch(() => { });
+btnMaDaoRefreshOperators?.addEventListener('click', () => {
+  loadMaDaoOperators().catch((error) => {
+    showToast(`刷新 MaDao 线路失败：${error?.message || error}`, 'warn', 2200);
+  });
 });
 
 inputMaDaoAutoPickCountry?.addEventListener('change', () => {
@@ -18835,11 +19144,14 @@ chrome.runtime.onMessage.addListener((message, _sender, sendResponse) => {
       if (message.payload.madaoRoutingPlanId !== undefined && selectMaDaoRoutingPlanId) {
         setMaDaoRoutingPlanSelectOptions(message.payload.madaoRoutingPlanId);
       }
-      if (message.payload.madaoProviderId !== undefined && inputMaDaoProviderId) {
-        inputMaDaoProviderId.value = normalizeMaDaoProviderIdValue(message.payload.madaoProviderId);
+      if (message.payload.madaoProviderId !== undefined && selectMaDaoProviderId) {
+        setMaDaoProviderSelectOptions(message.payload.madaoProviderId);
       }
-      if (message.payload.madaoCountry !== undefined && inputMaDaoCountry) {
-        inputMaDaoCountry.value = normalizeMaDaoCountry(message.payload.madaoCountry);
+      if (message.payload.madaoCountry !== undefined && selectMaDaoCountry) {
+        setMaDaoCountrySelectOptions(message.payload.madaoCountry);
+      }
+      if (message.payload.madaoOperator !== undefined && selectMaDaoOperator) {
+        setMaDaoOperatorSelectOptions(message.payload.madaoOperator);
       }
       if (message.payload.madaoAutoPickCountry !== undefined && inputMaDaoAutoPickCountry) {
         inputMaDaoAutoPickCountry.checked = Boolean(message.payload.madaoAutoPickCountry);
diff --git a/tests/background-account-history-settings.test.js b/tests/background-account-history-settings.test.js
index f4aaf35..9fcdbd8 100644
--- a/tests/background-account-history-settings.test.js
+++ b/tests/background-account-history-settings.test.js
@@ -71,6 +71,7 @@ test('background account history settings are normalized independently from hotm
     extractFunction('normalizeMaDaoIdentifier'),
     extractFunction('normalizeMaDaoProviderId'),
     extractFunction('normalizeMaDaoCountry'),
+    extractFunction('normalizeMaDaoOperator'),
     extractFunction('normalizeMaDaoPrice'),
     extractFunction('normalizePhonePreferredActivation'),
     extractFunction('normalizePhoneVerificationReplacementLimit'),
@@ -382,6 +383,7 @@ return {
   assert.equal(api.normalizePersistentSettingValue('madaoProviderId', ' Upstream A! '), 'upstreama');
   assert.equal(api.normalizePersistentSettingValue('madaoCountry', ' gb '), 'GB');
   assert.equal(api.normalizePersistentSettingValue('madaoCountry', 'ANY'), 'any');
+  assert.equal(api.normalizePersistentSettingValue('madaoOperator', ' Operator A! '), 'operatora');
   assert.equal(api.normalizePersistentSettingValue('madaoAutoPickCountry', 1), true);
   assert.equal(api.normalizePersistentSettingValue('madaoReusePhone', 0), false);
   assert.equal(api.normalizePersistentSettingValue('madaoMinPrice', '0.123456'), '0.1235');
diff --git a/tests/background-settings-import-mode-validation.test.js b/tests/background-settings-import-mode-validation.test.js
index a8eef31..9276c9e 100644
--- a/tests/background-settings-import-mode-validation.test.js
+++ b/tests/background-settings-import-mode-validation.test.js
@@ -419,6 +419,7 @@ return {
       madaoRoutingPlanId: 'rp-openai',
       madaoProviderId: 'upstream-a',
       madaoCountry: 'GB',
+      madaoOperator: 'operator-a',
       madaoAutoPickCountry: false,
       madaoReusePhone: true,
       madaoMinPrice: '0.12',
@@ -452,6 +453,7 @@ return {
   assert.equal(api.getPayloadInput().madaoRoutingPlanId, 'rp-openai');
   assert.equal(api.getPayloadInput().madaoProviderId, 'upstream-a');
   assert.equal(api.getPayloadInput().madaoCountry, 'GB');
+  assert.equal(api.getPayloadInput().madaoOperator, 'operator-a');
   assert.equal(api.getPayloadInput().madaoAutoPickCountry, false);
   assert.equal(api.getPayloadInput().madaoReusePhone, true);
   assert.equal(api.getPayloadInput().madaoMinPrice, '0.12');
diff --git a/tests/background-settings-schema-persistence.test.js b/tests/background-settings-schema-persistence.test.js
index e641981..847ead4 100644
--- a/tests/background-settings-schema-persistence.test.js
+++ b/tests/background-settings-schema-persistence.test.js
@@ -118,6 +118,7 @@ const PERSISTED_SETTING_DEFAULTS = {
   madaoRoutingPlanId: '',
   madaoProviderId: '',
   madaoCountry: '',
+  madaoOperator: '',
   madaoAutoPickCountry: true,
   madaoReusePhone: true,
   madaoMinPrice: '',
@@ -219,6 +220,7 @@ function normalizeMaDaoBaseUrl(value = '') {
 function normalizeMaDaoMode(value = '') { return String(value || '').trim().toLowerCase() === 'direct' ? 'direct' : DEFAULT_MADAO_MODE; }
 function normalizeMaDaoIdentifier(value = '') { return String(value || '').trim(); }
 function normalizeMaDaoProviderId(value = '') { return String(value || '').trim().toLowerCase().replace(/[^a-z0-9_-]+/g, ''); }
+function normalizeMaDaoOperator(value = '') { return String(value || '').trim().toLowerCase().replace(/[^a-z0-9_-]+/g, ''); }
 function normalizeMaDaoCountry(value = '') {
   const trimmed = String(value || '').trim();
   if (!trimmed) return '';
@@ -306,6 +308,7 @@ test('buildPersistentSettingsPayload writes canonical settings schema into persi
   assert.equal(payload.phoneSmsProvider, 'hero-sms');
   assert.equal(payload.madaoBaseUrl, DEFAULT_MADAO_BASE_URL_FOR_TEST);
   assert.equal(payload.madaoMode, DEFAULT_MADAO_MODE_FOR_TEST);
+  assert.equal(payload.madaoOperator, '');
   assert.equal(payload.madaoAutoPickCountry, true);
   assert.equal(payload.madaoReusePhone, true);
   assert.equal(Object.prototype.hasOwnProperty.call(payload, 'kiroRegion'), false);
@@ -724,6 +727,7 @@ test('buildPersistentSettingsPayload persists normalized MaDao flat settings out
     madaoRoutingPlanId: ' rp-openai ',
     madaoProviderId: ' Upstream A! ',
     madaoCountry: ' gb ',
+    madaoOperator: ' Operator A! ',
     madaoAutoPickCountry: 0,
     madaoReusePhone: 1,
     madaoMinPrice: '0.123456',
@@ -737,6 +741,7 @@ test('buildPersistentSettingsPayload persists normalized MaDao flat settings out
   assert.equal(payload.madaoRoutingPlanId, 'rp-openai');
   assert.equal(payload.madaoProviderId, 'upstreama');
   assert.equal(payload.madaoCountry, 'GB');
+  assert.equal(payload.madaoOperator, 'operatora');
   assert.equal(payload.madaoAutoPickCountry, false);
   assert.equal(payload.madaoReusePhone, true);
   assert.equal(payload.madaoMinPrice, '0.1235');
diff --git a/tests/madao-provider.test.js b/tests/madao-provider.test.js
index afb8705..d55d700 100644
--- a/tests/madao-provider.test.js
+++ b/tests/madao-provider.test.js
@@ -38,6 +38,7 @@ test('MaDao direct acquire sends only direct fields and normalizes activation da
     madaoRoutingPlanId: 'route-plan-should-not-be-sent',
     madaoProviderId: 'Upstream A!',
     madaoCountry: 'gb',
+    madaoOperator: 'Operator A!',
     madaoAutoPickCountry: 'false',
     madaoReusePhone: '1',
     madaoMinPrice: '0.01',
@@ -54,6 +55,9 @@ test('MaDao direct acquire sends only direct fields and normalizes activation da
     auto_pick_country: false,
     reuse_phone: true,
     country: 'GB',
+    metadata: {
+      operator: 'operatora',
+    },
     min_price: 0.01,
     max_price: 0.2,
   });
diff --git a/tests/phone-verification-flow.test.js b/tests/phone-verification-flow.test.js
index e45c2b6..35077ab 100644
--- a/tests/phone-verification-flow.test.js
+++ b/tests/phone-verification-flow.test.js
@@ -9214,6 +9214,7 @@ test('phone verification helper reacquires MaDao direct numbers after releasing
     madaoRoutingPlanId: 'rp-stale',
     madaoProviderId: 'upstream-a',
     madaoCountry: 'gb',
+    madaoOperator: 'operator-a',
     madaoAutoPickCountry: false,
     madaoReusePhone: true,
     madaoMinPrice: '0.01',
@@ -9323,6 +9324,9 @@ test('phone verification helper reacquires MaDao direct numbers after releasing
     auto_pick_country: false,
     reuse_phone: true,
     country: 'GB',
+    metadata: {
+      operator: 'operator-a',
+    },
     min_price: 0.01,
     max_price: 0.2,
   });
diff --git a/tests/sidepanel-phone-verification-settings.test.js b/tests/sidepanel-phone-verification-settings.test.js
index b95cebd..97f5ad3 100644
--- a/tests/sidepanel-phone-verification-settings.test.js
+++ b/tests/sidepanel-phone-verification-settings.test.js
@@ -159,10 +159,17 @@ test('sidepanel html exposes phone verification toggle and multi-provider SMS ro
   assert.match(html, /id="select-madao-routing-plan-id"/);
   assert.match(html, /id="btn-madao-refresh-routing-plans"/);
   assert.doesNotMatch(html, /id="input-madao-routing-plan-id"/);
-  assert.doesNotMatch(html, /id="row-madao-provider-id"/);
+  assert.match(html, /id="row-madao-provider-id"/);
+  assert.match(html, /id="select-madao-provider-id"/);
+  assert.match(html, /id="btn-madao-refresh-providers"/);
   assert.doesNotMatch(html, /id="input-madao-provider-id"/);
-  assert.doesNotMatch(html, /id="row-madao-country"/);
+  assert.match(html, /id="row-madao-country"/);
+  assert.match(html, /id="select-madao-country"/);
+  assert.match(html, /id="btn-madao-refresh-countries"/);
   assert.doesNotMatch(html, /id="input-madao-country"/);
+  assert.match(html, /id="row-madao-operator"/);
+  assert.match(html, /id="select-madao-operator"/);
+  assert.match(html, /id="btn-madao-refresh-operators"/);
   assert.doesNotMatch(html, /id="row-madao-auto-pick-country"/);
   assert.doesNotMatch(html, /id="input-madao-auto-pick-country"/);
   assert.doesNotMatch(html, /id="row-madao-reuse-phone"/);
@@ -275,6 +282,144 @@ return {
   assert.equal(requests[0].options.headers.Authorization, 'Bearer madao-secret');
 });
 
+test('MaDao direct selects load provider country and operator options from daemon API', async () => {
+  const requests = [];
+  const fetchImpl = async (url, options = {}) => {
+    const parsedUrl = new URL(url);
+    requests.push({
+      pathname: parsedUrl.pathname,
+      options,
+      body: options.body ? JSON.parse(options.body) : null,
+    });
+    if (parsedUrl.pathname === '/api/providers') {
+      return {
+        ok: true,
+        status: 200,
+        statusText: 'OK',
+        async text() {
+          return JSON.stringify({
+            providers: [
+              { id: 'stored-provider', name: 'Stored Provider', enabled: true, protocol_label: 'REST' },
+              { id: 'disabled-provider', name: 'Disabled Provider', enabled: false },
+            ],
+          });
+        },
+      };
+    }
+    if (parsedUrl.pathname === '/api/providers/stored-provider/countries') {
+      return {
+        ok: true,
+        status: 200,
+        statusText: 'OK',
+        async text() {
+          return JSON.stringify({
+            provider: 'stored-provider',
+            items: [
+              { value: 'GB', label: 'United Kingdom' },
+              { value: 'TH', label: 'Thailand' },
+            ],
+          });
+        },
+      };
+    }
+    if (parsedUrl.pathname === '/api/providers/stored-provider/operators') {
+      return {
+        ok: true,
+        status: 200,
+        statusText: 'OK',
+        async text() {
+          return JSON.stringify({
+            provider: 'stored-provider',
+            items: [
+              { value: 'operator-a', label: 'Operator A' },
+              { value: 'operator-b', label: 'Operator B' },
+            ],
+          });
+        },
+      };
+    }
+    throw new Error(`Unexpected MaDao path: ${parsedUrl.pathname}`);
+  };
+
+  const api = new Function('fetch', `
+const DEFAULT_MADAO_BASE_URL = 'http://127.0.0.1:7822';
+let latestState = {
+  madaoBaseUrl: 'http://madao.local/api/acquire',
+  madaoHttpSecret: 'madao-secret',
+  madaoProviderId: 'stored-provider',
+  madaoCountry: 'GB',
+  madaoOperator: 'operator-a',
+};
+let maDaoProviderOptions = [];
+let maDaoCountryOptions = [];
+let maDaoOperatorOptions = [];
+let displayText = '';
+let toastText = '';
+const inputMaDaoBaseUrl = { value: 'http://madao.local/api/acquire' };
+const inputMaDaoHttpSecret = { value: 'madao-secret' };
+const selectMaDaoProviderId = { value: 'stored-provider', options: [], replaceChildren(...children) { this.options = children; } };
+const selectMaDaoCountry = { value: 'GB', options: [], replaceChildren(...children) { this.options = children; } };
+const selectMaDaoOperator = { value: 'operator-a', options: [], replaceChildren(...children) { this.options = children; } };
+function updateHeroSmsPlatformDisplay() {
+  displayText = [selectMaDaoProviderId.value, selectMaDaoCountry.value, selectMaDaoOperator.value].filter(Boolean).join('/');
+}
+function showToast(message) {
+  toastText = message;
+}
+${extractFunction('normalizeMaDaoBaseUrlValue')}
+${extractFunction('normalizeMaDaoIdentifierValue')}
+${extractFunction('normalizeMaDaoProviderIdValue')}
+${extractFunction('normalizeMaDaoOperatorValue')}
+${extractFunction('normalizeMaDaoCountry')}
+${extractFunction('createSelectOptionElement')}
+${extractFunction('setSelectOptions')}
+${extractFunction('normalizeMaDaoOptionListItems')}
+${extractFunction('setMaDaoProviderSelectOptions')}
+${extractFunction('setMaDaoCountrySelectOptions')}
+${extractFunction('setMaDaoOperatorSelectOptions')}
+${extractFunction('buildMaDaoRequestUrl')}
+${extractFunction('buildMaDaoRequestHeaders')}
+${extractFunction('fetchMaDaoJson')}
+${extractFunction('getMaDaoProvidersFromPayload')}
+${extractFunction('getMaDaoOptionItemsFromPayload')}
+${extractFunction('getSelectedMaDaoProviderId')}
+${extractFunction('getSelectedMaDaoCountry')}
+${extractFunction('loadMaDaoProviders')}
+${extractFunction('loadMaDaoCountries')}
+${extractFunction('loadMaDaoOperators')}
+return {
+  loadMaDaoProviders,
+  selectMaDaoProviderId,
+  selectMaDaoCountry,
+  selectMaDaoOperator,
+  get providerOptions() { return selectMaDaoProviderId.options.map((option) => ({ value: option.value, label: option.textContent, selected: option.selected })); },
+  get countryOptions() { return selectMaDaoCountry.options.map((option) => ({ value: option.value, label: option.textContent, selected: option.selected })); },
+  get operatorOptions() { return selectMaDaoOperator.options.map((option) => ({ value: option.value, label: option.textContent, selected: option.selected })); },
+  get displayText() { return displayText; },
+  get toastText() { return toastText; },
+};
+`)(fetchImpl);
+
+  const providers = await api.loadMaDaoProviders();
+
+  assert.deepStrictEqual(providers.map((provider) => provider.value), ['stored-provider']);
+  assert.equal(api.selectMaDaoProviderId.value, 'stored-provider');
+  assert.equal(api.selectMaDaoCountry.value, 'GB');
+  assert.equal(api.selectMaDaoOperator.value, 'operator-a');
+  assert.deepStrictEqual(api.providerOptions.map((option) => option.value), ['', 'stored-provider']);
+  assert.deepStrictEqual(api.countryOptions.map((option) => option.value), ['', 'GB', 'TH']);
+  assert.deepStrictEqual(api.operatorOptions.map((option) => option.value), ['', 'operator-a', 'operator-b']);
+  assert.equal(api.displayText, 'stored-provider/GB/operator-a');
+  assert.equal(api.toastText, '已刷新 MaDao 服务商。');
+  assert.deepStrictEqual(requests.map((request) => request.pathname), [
+    '/api/providers',
+    '/api/providers/stored-provider/countries',
+    '/api/providers/stored-provider/operators',
+  ]);
+  assert.deepStrictEqual(requests[2].body, { country: 'GB' });
+  assert.equal(requests[0].options.headers.Authorization, 'Bearer madao-secret');
+});
+
 test('HeroSMS country parser accepts keyed country maps from the live API', () => {
   const api = new Function(`
 ${extractFunction('normalizeHeroSmsCountryPayloadEntries')}
@@ -789,6 +934,7 @@ const rowMaDaoMode = { style: { display: 'none' } };
 const rowMaDaoRoutingPlanId = { style: { display: 'none' } };
 const rowMaDaoProviderId = { style: { display: 'none' } };
 const rowMaDaoCountry = { style: { display: 'none' } };
+const rowMaDaoOperator = { style: { display: 'none' } };
 const rowMaDaoAutoPickCountry = { style: { display: 'none' } };
 const rowMaDaoReusePhone = { style: { display: 'none' } };
 const rowMaDaoPriceRange = { style: { display: 'none' } };
@@ -868,6 +1014,9 @@ const PHONE_SMS_PROVIDER_UI_DESCRIPTORS = ${JSON.stringify({
       'rowMaDaoRoutingPlanId',
     ],
     directRowKeys: [
+      'rowMaDaoProviderId',
+      'rowMaDaoCountry',
+      'rowMaDaoOperator',
       'rowMaDaoPriceRange',
     ],
   },
@@ -943,6 +1092,7 @@ return {
   rowMaDaoRoutingPlanId,
   rowMaDaoProviderId,
   rowMaDaoCountry,
+  rowMaDaoOperator,
   rowMaDaoAutoPickCountry,
   rowMaDaoReusePhone,
   rowMaDaoPriceRange,
@@ -1022,6 +1172,7 @@ return {
   assert.equal(api.rowMaDaoRoutingPlanId.style.display, 'none');
   assert.equal(api.rowMaDaoProviderId.style.display, 'none');
   assert.equal(api.rowMaDaoCountry.style.display, 'none');
+  assert.equal(api.rowMaDaoOperator.style.display, 'none');
   assert.equal(api.rowMaDaoAutoPickCountry.style.display, 'none');
   assert.equal(api.rowMaDaoReusePhone.style.display, 'none');
   assert.equal(api.rowMaDaoPriceRange.style.display, 'none');
@@ -1138,6 +1289,7 @@ return {
   assert.equal(api.rowMaDaoRoutingPlanId.style.display, '');
   assert.equal(api.rowMaDaoProviderId.style.display, 'none');
   assert.equal(api.rowMaDaoCountry.style.display, 'none');
+  assert.equal(api.rowMaDaoOperator.style.display, 'none');
   assert.equal(api.rowMaDaoAutoPickCountry.style.display, 'none');
   assert.equal(api.rowMaDaoReusePhone.style.display, 'none');
   assert.equal(api.rowMaDaoPriceRange.style.display, 'none');
@@ -1148,8 +1300,9 @@ return {
   assert.equal(api.rowMaDaoHttpSecret.style.display, '');
   assert.equal(api.rowMaDaoMode.style.display, '');
   assert.equal(api.rowMaDaoRoutingPlanId.style.display, 'none');
-  assert.equal(api.rowMaDaoProviderId.style.display, 'none');
-  assert.equal(api.rowMaDaoCountry.style.display, 'none');
+  assert.equal(api.rowMaDaoProviderId.style.display, '');
+  assert.equal(api.rowMaDaoCountry.style.display, '');
+  assert.equal(api.rowMaDaoOperator.style.display, '');
   assert.equal(api.rowMaDaoAutoPickCountry.style.display, 'none');
   assert.equal(api.rowMaDaoReusePhone.style.display, 'none');
   assert.equal(api.rowMaDaoPriceRange.style.display, '');
@@ -1242,8 +1395,9 @@ const inputMaDaoBaseUrl = { value: 'http://127.0.0.1:7822/api/acquire' };
 const inputMaDaoHttpSecret = { value: 'madao-secret' };
 const selectMaDaoMode = { value: 'direct' };
 const selectMaDaoRoutingPlanId = { value: 'plan-1' };
-const inputMaDaoProviderId = { value: 'Local Provider!!' };
-const inputMaDaoCountry = { value: 'th' };
+const selectMaDaoProviderId = { value: 'Local Provider!!' };
+const selectMaDaoCountry = { value: 'th' };
+const selectMaDaoOperator = { value: 'Operator A!' };
 const inputMaDaoAutoPickCountry = { checked: false };
 const inputMaDaoReusePhone = { checked: true };
 const inputMaDaoMinPrice = { value: '0.02' };
@@ -1347,6 +1501,7 @@ ${extractFunction('normalizeMaDaoBaseUrlValue')}
 ${extractFunction('normalizeMaDaoModeValue')}
 ${extractFunction('normalizeMaDaoIdentifierValue')}
 ${extractFunction('normalizeMaDaoProviderIdValue')}
+${extractFunction('normalizeMaDaoOperatorValue')}
 ${extractFunction('normalizeMaDaoCountry')}
 ${extractFunction('normalizeMaDaoPriceValue')}
 ${extractFunction('normalizeFiveSimCountryCode')}
@@ -1419,6 +1574,7 @@ return { collectSettingsPayload };
   assert.equal(payload.madaoRoutingPlanId, 'plan-1');
   assert.equal(payload.madaoProviderId, 'localprovider');
   assert.equal(payload.madaoCountry, 'TH');
+  assert.equal(payload.madaoOperator, 'operatora');
   assert.equal(payload.madaoAutoPickCountry, false);
   assert.equal(payload.madaoReusePhone, true);
   assert.equal(payload.madaoMinPrice, '0.02');
@@ -1470,6 +1626,7 @@ let latestState = {
   madaoRoutingPlanId: 'plan-old',
   madaoProviderId: 'provider-old',
   madaoCountry: 'TH',
+  madaoOperator: 'operator-old',
   madaoAutoPickCountry: true,
   madaoReusePhone: true,
   madaoMinPrice: '0.01',
@@ -1522,8 +1679,27 @@ const selectMaDaoRoutingPlanId = {
     this.options = children;
   },
 };
-const inputMaDaoProviderId = { value: 'Provider Live!' };
-const inputMaDaoCountry = { value: 'local' };
+const selectMaDaoProviderId = {
+  value: 'Provider Live!',
+  options: [],
+  replaceChildren(...children) {
+    this.options = children;
+  },
+};
+const selectMaDaoCountry = {
+  value: 'local',
+  options: [],
+  replaceChildren(...children) {
+    this.options = children;
+  },
+};
+const selectMaDaoOperator = {
+  value: 'Operator Live!',
+  options: [],
+  replaceChildren(...children) {
+    this.options = children;
+  },
+};
 const inputMaDaoAutoPickCountry = { checked: false };
 const inputMaDaoReusePhone = { checked: false };
 const inputMaDaoMinPrice = { value: '0.02' };
@@ -1542,6 +1718,9 @@ let phoneSmsProviderOrderSelection = ['hero-sms', '5sim'];
 let lastPhoneSmsProviderBeforeChange = null;
 let savedPayload = null;
 let maDaoRoutingPlanOptions = [];
+let maDaoProviderOptions = [];
+let maDaoCountryOptions = [];
+let maDaoOperatorOptions = [];
 
 ${extractFunction('normalizePhoneSmsProvider')}
 ${extractFunction('normalizePhoneSmsProviderValue')}
@@ -1573,12 +1752,17 @@ ${extractFunction('normalizeMaDaoModeValue')}
 ${extractFunction('normalizeMaDaoIdentifierValue')}
 ${extractFunction('normalizeMaDaoRoutingPlanIdValue')}
 ${extractFunction('normalizeMaDaoProviderIdValue')}
+${extractFunction('normalizeMaDaoOperatorValue')}
 ${extractFunction('normalizeMaDaoCountry')}
 ${extractFunction('normalizeMaDaoPriceValue')}
 ${extractFunction('createSelectOptionElement')}
 ${extractFunction('setSelectOptions')}
+${extractFunction('normalizeMaDaoOptionListItems')}
 ${extractFunction('buildMaDaoRoutingPlanOptions')}
 ${extractFunction('setMaDaoRoutingPlanSelectOptions')}
+${extractFunction('setMaDaoProviderSelectOptions')}
+${extractFunction('setMaDaoCountrySelectOptions')}
+${extractFunction('setMaDaoOperatorSelectOptions')}
 ${extractFunction('normalizePhoneSmsMinPriceValue')}
 ${extractFunction('normalizePhoneSmsMaxPriceValue')}
 ${extractFunction('normalizeHeroSmsCountryId')}
@@ -1601,6 +1785,7 @@ function syncLatestState(patch) { latestState = { ...latestState, ...patch }; }
 function loadHeroSmsCountries() { return Promise.resolve(); }
 function loadFiveSimCountries() { return Promise.resolve(); }
 function loadNexSmsCountries() { return Promise.resolve(); }
+function loadMaDaoProviders() { return Promise.resolve(); }
 function applyHeroSmsFallbackSelection() {}
 function applyFiveSimCountrySelection() {}
 function applyNexSmsCountrySelection() {}