diff --git a/dashboard.php b/dashboard.php
index 9317a1f..b011596 100755
--- a/dashboard.php
+++ b/dashboard.php
@@ -1,6 +1,7 @@
 <?php
 require_once __DIR__ . '/cong.php';
 require_once __DIR__ . '/admin/bootstrap.php';
+require_once __DIR__ . '/lib/Cloak/CountryAllowlist.php';
 require_once __DIR__ . '/admin/ConfigWriter.php';
 require_once __DIR__ . '/lib/Cloak/DomainRepository.php';
 require_once __DIR__ . '/lib/CloakAdSourceGuard.php';
@@ -83,7 +84,9 @@ if (!empty($_REQUEST["action"]) && $_REQUEST["action"] == "setuvi") {
 if (!empty($_REQUEST["action"]) && $_REQUEST["action"] == "submit") {
     $check_name           = trim($_REQUEST["check_name"]);
     $methods              = trim($_REQUEST["methods"]);
-    $country              = trim($_REQUEST["country"]);
+    $country_on           = in_array(strtoupper(trim($_REQUEST['country_on'] ?? '')), ['ON']) ? 'ON' : 'OFF';
+    $country_raw          = $country_on === 'ON' ? (string) ($_REQUEST['country'] ?? '') : '';
+    $country              = $country_on === 'ON' ? CountryAllowlist::formatForConfig($country_raw) : '';
     $blacklist_group_id   = (int)($_REQUEST["blacklist_group_id"] ?? 0);
     $whitelist_group_id   = (int)($_REQUEST["whitelist_group_id"] ?? 0);
 	try {
@@ -148,6 +151,11 @@ if (!empty($_REQUEST["action"]) && $_REQUEST["action"] == "submit") {
 		exit();
 	}
 
+    if ($country_on === 'ON' && $country === '') {
+        echo "<script>alert('已开启国家条件，请填写允许的国家代码（如 US,GB,CA）。');history.back();</script>";
+        exit();
+    }
+
     if (!empty($methods)) {
         ConfigWriter::save($check_name, [
             'methods'                => $methods,
@@ -889,9 +897,26 @@ $_d = function($name, $default) { return defined($name) ? constant($name) : $def
 					</td>
   </tr>
       <tr>
-        <td class="form-label-cell">指定国家访问真实页（逗号分隔国家代码）</td>
-        <td class="form-val-cell"><input type="text" name="country" class="form-control form-control-sm" value="<?php echo SHOW_SITE_COUNTRY; ?>" placeholder="如：US,GB,CA（请用英文逗号）" style="max-width:300px;"></td>
-  </tr>
+        <td class="form-label-cell">
+          国家条件<br>
+          <small class="text-muted">开启后仅允许填写的国家访问真实页；关闭则不做国家拦截。</small>
+        </td>
+        <td class="form-val-cell">
+          <?php
+            $countryCodesVal = defined('SHOW_SITE_COUNTRY')
+                ? CountryAllowlist::formatForConfig((string) SHOW_SITE_COUNTRY)
+                : '';
+            $countryOnVal    = $countryCodesVal !== '' ? 'ON' : 'OFF';
+            echo onoff_radio('country_on', $countryOnVal, '开启', '关闭');
+          ?>
+        </td>
+      </tr>
+      <tr id="countryCodesRow"<?php echo $countryOnVal === 'ON' ? '' : ' style="display:none;"'; ?>>
+        <td class="form-label-cell">允许的国家代码（多个使用英文逗号隔开）</td>
+        <td class="form-val-cell">
+          <input type="text" name="country" class="form-control form-control-sm" value="<?php echo htmlspecialchars($countryCodesVal); ?>" placeholder="如：US,GB,CA（小写会自动转大写；支持中英文逗号、分号）" style="max-width:360px;">
+        </td>
+      </tr>
   <tr>
         <td class="form-label-cell">广告策略 ID</td>
         <td class="form-val-cell"><input type="text" name="costm_ip_score" class="form-control form-control-sm" value="<?php echo COSTM_IP_SCORE; ?>" style="max-width:360px;"></td>
@@ -1210,6 +1235,16 @@ $_d = function($name, $default) { return defined($name) ? constant($name) : $def
         $(target).slideToggle(180);
     });
 
+    function syncCountryCodesRow() {
+        var on = $('input[name="country_on"]:checked').val() === 'ON';
+        $('#countryCodesRow').toggle(on);
+        if (!on) {
+            $('input[name="country"]').val('');
+        }
+    }
+    $(document).on('change', 'input[name="country_on"]', syncCountryCodesRow);
+    syncCountryCodesRow();
+
     // 动态添加链接
     var linkIdx = 1;
     $(document).on('click', '#addNewLinkBtn', function() {
diff --git a/ip_check.php b/ip_check.php
index 7404218..aa939c8 100755
--- a/ip_check.php
+++ b/ip_check.php
@@ -55,7 +55,7 @@ if (!function_exists('cloak_dbg_record')) {
 
  //-----------------------------------------------ip check bof-----------------------------------------------
     $v_info = new visitorInfo();
-    $v_info->get_visitor_Info(COSTM_IP_SCORE, CHECK_KEY, SHOW_SITE_COUNTRY);
+    $v_info->get_visitor_Info(COSTM_IP_SCORE, CHECK_KEY, CountryAllowlist::resolvedConfig());
 
     $reason = '';
 
diff --git a/lib/Cloak/CountryAllowlist.php b/lib/Cloak/CountryAllowlist.php
index b1d88ad..8723994 100755
--- a/lib/Cloak/CountryAllowlist.php
+++ b/lib/Cloak/CountryAllowlist.php
@@ -6,18 +6,56 @@ require_once __DIR__ . '/CountryCodeNormalizer.php';
 
 class CountryAllowlist
 {
+    /**
+     * SHOW_SITE_COUNTRY 是否已配置（非空允许列表 = 开启国家条件）
+     *
+     * @param string|null $config 默认读取 SHOW_SITE_COUNTRY
+     */
+    public static function isEnabled($config = null)
+    {
+        if ($config === null) {
+            $config = defined('SHOW_SITE_COUNTRY') ? SHOW_SITE_COUNTRY : '';
+        }
+        return self::parse($config) !== [];
+    }
+
+    /**
+     * 保存前规范化用户输入：兼容中文逗号/分号、顿号、全角空格及多余空白。
+     *
+     * @param string $config
+     */
+    public static function normalizeInput($config)
+    {
+        $config = trim((string) $config);
+        if ($config === '') {
+            return '';
+        }
+
+        // 全角空格、不间断空格
+        $config = preg_replace('/[\x{3000}\x{00A0}]/u', ' ', $config);
+
+        // 常见误输入分隔符统一为英文逗号
+        $config = str_replace(['，', ';', '；', '、'], ',', $config);
+
+        // 去掉分隔符两侧空白，合并连续逗号
+        $config = preg_replace('/\s*,\s*/', ',', $config);
+        $config = preg_replace('/,+/', ',', $config);
+
+        return trim($config, " \t\n\r,");
+    }
+
     /**
      * @param string $config 逗号分隔国家码，如 US,GB,CA
      * @return string[]
      */
     public static function parse($config)
     {
-        $config = trim((string) $config);
+        $config = self::normalizeInput($config);
         if ($config === '') {
             return [];
         }
-        // 支持英文逗号、中文逗号、分号分隔
-        $parts = preg_split('/\s*[,，;]\s*/u', $config);
+
+        $parts = explode(',', $config);
         $out   = [];
         foreach ($parts as $part) {
             $part = trim($part);
@@ -33,10 +71,23 @@ class CountryAllowlist
     }
 
     /**
-     * 保存配置前规范化国家列表字符串（dashboard 写入用）
+     * 读取并规范化 SHOW_SITE_COUNTRY（大写 ISO2，逗号分隔）
+     *
+     * @param string|null $config 默认 SHOW_SITE_COUNTRY
+     */
+    public static function resolvedConfig($config = null)
+    {
+        if ($config === null) {
+            $config = defined('SHOW_SITE_COUNTRY') ? SHOW_SITE_COUNTRY : '';
+        }
+        return self::formatForConfig($config);
+    }
+
+    /**
+     * 保存配置前规范化国家列表字符串（dashboard 写入用，输出大写如 US,GB）
      *
      * @param string $config
-     * @return string 如 BR,CN
+     * @return string 如 US,GB
      */
     public static function formatForConfig($config)
     {
diff --git a/lib/Cloak/Pipeline/CheckPipeline.php b/lib/Cloak/Pipeline/CheckPipeline.php
index aa23427..360dde0 100755
--- a/lib/Cloak/Pipeline/CheckPipeline.php
+++ b/lib/Cloak/Pipeline/CheckPipeline.php
@@ -2,6 +2,7 @@
 require_once __DIR__ . '/../WhitelistGate.php';
 require_once __DIR__ . '/../CloakJudgmentCache.php';
 require_once __DIR__ . '/../RiskSecondaryGate.php';
+require_once __DIR__ . '/../CountryAllowlist.php';
 
 /**
  * 流量判定主流水线
@@ -88,11 +89,15 @@ class CheckPipeline
             return;
         }
 
-        CloakPipelineTimer::stage('GeoIP国家判定');
-        include __DIR__ . '/stages/check_country_geoip.inc.php';
-        if (!empty($_SESSION['check_result'])) {
-            CloakPipelineTimer::finish();
-            return;
+        if (CountryAllowlist::isEnabled()) {
+            CloakPipelineTimer::stage('GeoIP国家判定');
+            include __DIR__ . '/stages/check_country_geoip.inc.php';
+            if (!empty($_SESSION['check_result'])) {
+                CloakPipelineTimer::finish();
+                return;
+            }
+        } elseif ($__cloak_debug_on) {
+            cloak_dbg_step(__LINE__, 'GeoIP国家判定', 'skip', '未开启国家条件');
         }
 
         CloakPipelineTimer::stage('广告来源限制');
diff --git a/lib/Cloak/Pipeline/stages/apply_geoip_country_log_only.inc.php b/lib/Cloak/Pipeline/stages/apply_geoip_country_log_only.inc.php
index 622492a..89d69d9 100755
--- a/lib/Cloak/Pipeline/stages/apply_geoip_country_log_only.inc.php
+++ b/lib/Cloak/Pipeline/stages/apply_geoip_country_log_only.inc.php
@@ -1,9 +1,20 @@
 <?php
+require_once __DIR__ . '/../../CountryAllowlist.php';
+require_once __DIR__ . '/../../ClientIpResolver.php';
+require_once __DIR__ . '/../../GeoIpCountryResolver.php';
 /**
  * 仅用本地 MaxMind 解析国家并写入访客信息/Session（不做国家允许列表或其它判定）
+ * 未开启国家条件（SHOW_SITE_COUNTRY 为空）时不查询 MaxMind。
  *
  * 依赖全局：$v_info, $__cloak_debug_on
  */
+if (!CountryAllowlist::isEnabled()) {
+    if (!empty($GLOBALS['__cloak_debug_on'])) {
+        cloak_dbg_step(__LINE__, 'MaxMind国家记录', 'skip', '未开启国家条件，跳过 MaxMind');
+    }
+    return;
+}
+
 $ip = ClientIpResolver::resolve();
 if ($ip !== '' && $ip !== '0.0.0.0') {
     $v_info->v_ip = $ip;
diff --git a/lib/Cloak/Pipeline/stages/check_country_geoip.inc.php b/lib/Cloak/Pipeline/stages/check_country_geoip.inc.php
index 2b73099..381dd27 100755
--- a/lib/Cloak/Pipeline/stages/check_country_geoip.inc.php
+++ b/lib/Cloak/Pipeline/stages/check_country_geoip.inc.php
@@ -1,9 +1,11 @@
 <?php
 /**
  * 屏蔽模式：GeoIP 国家判定（本地 MaxMind + 30 天 IP 缓存）
- *
- * 依赖全局：$v_info, $reason, $__cloak_debug_on
+ * 未开启国家条件（SHOW_SITE_COUNTRY 为空）时跳过。
  */
+require_once __DIR__ . '/../../CountryAllowlist.php';
+require_once __DIR__ . '/../../ClientIpResolver.php';
+require_once __DIR__ . '/../../GeoIpCountryResolver.php';
 if (!defined('SHOW_SITE_MODE_SWITCH') || SHOW_SITE_MODE_SWITCH !== 'ip_check') {
     return;
 }
@@ -14,6 +16,13 @@ if (!empty($_SESSION['check_result'])) {
     return;
 }
 
+if (!CountryAllowlist::isEnabled()) {
+    if (!empty($GLOBALS['__cloak_debug_on'])) {
+        cloak_dbg_step(__LINE__, 'GeoIP国家判定', 'skip', '未开启国家条件，跳过本地 MaxMind 判定');
+    }
+    return;
+}
+
 $ip = ClientIpResolver::resolve();
 if ($ip !== '' && $ip !== '0.0.0.0') {
     $v_info->v_ip = $ip;
@@ -53,7 +62,7 @@ if (!CountryAllowlist::isAllowed($countryCode, $allowlist)) {
 }
 
 if (!empty($GLOBALS['__cloak_debug_on'])) {
-    cloak_dbg_step(__LINE__, 'GeoIP国家判定', 'pass', '国家允许或列表为空', [
+    cloak_dbg_step(__LINE__, 'GeoIP国家判定', 'pass', '国家在允许列表内', [
         'ip'         => $ip,
         'country'    => $countryCode,
         'allowlist'  => $allowlist,
diff --git a/lib/Cloak/VisitorSimulationRunner.php b/lib/Cloak/VisitorSimulationRunner.php
index 7eb8757..65c547d 100755
--- a/lib/Cloak/VisitorSimulationRunner.php
+++ b/lib/Cloak/VisitorSimulationRunner.php
@@ -230,7 +230,7 @@ class VisitorSimulationRunner
             global $v_info, $reason, $config_name;
             $config_name = $configName;
             $v_info      = new visitorInfo();
-            $v_info->get_visitor_Info(COSTM_IP_SCORE, CHECK_KEY, SHOW_SITE_COUNTRY);
+            $v_info->get_visitor_Info(COSTM_IP_SCORE, CHECK_KEY, CountryAllowlist::resolvedConfig());
             $reason = '';
 
             CheckPipeline::run();
diff --git a/lib/CloakAdSourceGuard.php b/lib/CloakAdSourceGuard.php
index 073d460..1e8e224 100755
--- a/lib/CloakAdSourceGuard.php
+++ b/lib/CloakAdSourceGuard.php
@@ -52,9 +52,9 @@ class CloakAdSourceGuard
     ];
 
     private static $fullTemplates = [
-        self::PLATFORM_FB => 'utm_source=facebook&utm_medium=paid_social&utm_campaign={{campaign.name}}&utm_content={{ad.name}}&campaign_id={{campaign.id}}&adset_id={{adset.id}}&ad_id={{ad.id}}&site_source={{site_source_name}}&placement={{placement}}',
-        self::PLATFORM_GOOGLE => 'utm_source=google&utm_medium=cpc&utm_campaign={campaignid}&utm_content={adgroupid}&utm_term={keyword}&ad_id={creative}&network={network}&placement={placement}',
-        self::PLATFORM_TIKTOK => 'utm_source=tiktok&utm_medium=video_ad&utm_campaign=__CAMPAIGN_ID__&utm_content=__AID__&adgroup_id=__CID__&placement=__PLACEMENT__',
+        self::PLATFORM_FB => 'utm_source=facebook&site_source={{site_source_name}}&placement={{placement}}',
+        self::PLATFORM_GOOGLE => 'utm_source=google&utm_term={keyword}&network={network}&placement={placement}',
+        self::PLATFORM_TIKTOK => 'utm_source=tiktok&placement=__PLACEMENT__',
     ];
 
     private static $multiPlatformParams = [
diff --git a/tools/regression_test.php b/tools/regression_test.php
index a6d6294..466c829 100755
--- a/tools/regression_test.php
+++ b/tools/regression_test.php
@@ -286,6 +286,10 @@ $cfDomainOut = shell_exec(escapeshellarg(PHP_BINARY) . ' ' . escapeshellarg($roo
 $cfDomainJson = json_decode((string) $cfDomainOut, true);
 reg_assert('Cloudflare 域名自动化 Mock 流转', ($cfDomainJson['ok'] ?? false) === true, (string) $cfDomainOut);
 
+$countryAllowOut = shell_exec(escapeshellarg(PHP_BINARY) . ' ' . escapeshellarg($root . '/tools/verify_country_allowlist.php') . ' 2>/dev/null');
+$countryAllowJson = json_decode((string) $countryAllowOut, true);
+reg_assert('国家条件允许列表与 GeoIP 开关', ($countryAllowJson['ok'] ?? false) === true, (string) $countryAllowOut);
+
 $geoOut = shell_exec(escapeshellarg(PHP_BINARY) . ' ' . escapeshellarg($root . '/tools/verify_geoip.php') . ' 2>/dev/null');
 $geoJson = json_decode((string) $geoOut, true);
 if (($geoJson['tests']['db_file_exists'] ?? false) === true) {
diff --git a/tools/verify_country_allowlist.php b/tools/verify_country_allowlist.php
new file mode 100644
index 0000000..22f2ff8
--- /dev/null
+++ b/tools/verify_country_allowlist.php
@@ -0,0 +1,43 @@
+#!/usr/bin/env php
+<?php
+/**
+ * 国家条件允许列表与 GeoIP 阶段开关回归
+ */
+if (PHP_SAPI !== 'cli') {
+    exit(1);
+}
+
+$root = dirname(__DIR__);
+require_once $root . '/lib/Cloak/CountryAllowlist.php';
+
+$tests = [];
+
+$tests['empty_disabled'] = CountryAllowlist::isEnabled('') === false;
+$tests['whitespace_disabled'] = CountryAllowlist::isEnabled('  ,  ') === false;
+$tests['us_enabled'] = CountryAllowlist::isEnabled('US') === true;
+$tests['multi_enabled'] = CountryAllowlist::isEnabled('US,GB') === true;
+$tests['empty_allow_all'] = CountryAllowlist::isAllowed('CN', []) === true;
+
+$tests['cn_comma'] = CountryAllowlist::formatForConfig('US，GB ， CA') === 'US,GB,CA';
+$tests['semicolon'] = CountryAllowlist::formatForConfig('US;GB;CA') === 'US,GB,CA';
+$tests['cn_semicolon'] = CountryAllowlist::formatForConfig('US；GB；CN') === 'US,GB,CN';
+$tests['dunhao'] = CountryAllowlist::formatForConfig('US、GB、CA') === 'US,GB,CA';
+$tests['extra_spaces'] = CountryAllowlist::formatForConfig('  US ,  GB , CA  ') === 'US,GB,CA';
+$tests['fullwidth_space'] = CountryAllowlist::formatForConfig("US\u{3000}，\u{3000}GB") === 'US,GB';
+$tests['mixed_separators'] = CountryAllowlist::formatForConfig('US，GB;CN、AU') === 'US,GB,CN,AU';
+$tests['duplicate_codes'] = CountryAllowlist::formatForConfig('US,us, US ,GB') === 'US,GB';
+$tests['trailing_comma'] = CountryAllowlist::formatForConfig('US,GB,') === 'US,GB';
+$tests['lowercase'] = CountryAllowlist::formatForConfig('us,gb,ca') === 'US,GB,CA';
+$tests['mixed_case'] = CountryAllowlist::formatForConfig('Us ， gB ; cN') === 'US,GB,CN';
+$tests['is_allowed_lower_visitor'] = CountryAllowlist::isAllowed('us', CountryAllowlist::parse('US,GB')) === true;
+$tests['resolved_config'] = CountryAllowlist::formatForConfig('us,gb') === CountryAllowlist::resolvedConfig('us,gb');
+
+$stage = file_get_contents($root . '/lib/Cloak/Pipeline/stages/check_country_geoip.inc.php');
+$tests['stage_skips_when_disabled'] = strpos($stage, 'CountryAllowlist::isEnabled()') !== false;
+
+$pipeline = file_get_contents($root . '/lib/Cloak/Pipeline/CheckPipeline.php');
+$tests['pipeline_conditional_geo'] = strpos($pipeline, 'CountryAllowlist::isEnabled()') !== false;
+
+$ok = !in_array(false, $tests, true);
+echo json_encode(['ok' => $ok, 'tests' => $tests], JSON_UNESCAPED_UNICODE) . "\n";
+exit($ok ? 0 : 1);
diff --git a/tools/verify_geoip.php b/tools/verify_geoip.php
index 4c54426..ec987a5 100755
--- a/tools/verify_geoip.php
+++ b/tools/verify_geoip.php
@@ -56,9 +56,16 @@ if ($tests['resolver_available']) {
     $tests['normalize_name'] = CountryCodeNormalizer::toAlpha2('United States') === 'US';
     $tests['allowlist_name'] = CountryAllowlist::isAllowed('United Kingdom', CountryAllowlist::parse('GB,US'));
     $tests['allowlist_fullwidth_comma'] = CountryAllowlist::isAllowed('BR', CountryAllowlist::parse('BR，CN'));
+    $tests['allowlist_semicolon'] = CountryAllowlist::isAllowed('GB', CountryAllowlist::parse('US;GB;CA'));
     $tests['allowlist_country_name'] = CountryAllowlist::isAllowed('BR', CountryAllowlist::parse('Brazil,China'));
     if (!$tests['normalize_iso2'] || !$tests['normalize_name'] || !$tests['allowlist_name']
-        || !$tests['allowlist_fullwidth_comma'] || !$tests['allowlist_country_name']) {
+        || !$tests['allowlist_fullwidth_comma'] || !$tests['allowlist_semicolon'] || !$tests['allowlist_country_name']) {
+        $ok = false;
+    }
+
+    $tests['is_enabled_empty'] = CountryAllowlist::isEnabled('') === false;
+    $tests['is_enabled_us'] = CountryAllowlist::isEnabled('US,GB') === true;
+    if (!$tests['is_enabled_empty'] || !$tests['is_enabled_us']) {
         $ok = false;
     }
 }