diff --git a/inc/helpers/aksrt-pay.php b/inc/helpers/aksrt-pay.php
index f7515e80..5c90404e 100644
--- a/inc/helpers/aksrt-pay.php
+++ b/inc/helpers/aksrt-pay.php
@@ -296,8 +296,8 @@ if (!function_exists('aksrt_get_download_box_meta')) {
             'view_count'      => max(0, $view_count),
             'virtual_sales'   => $virtual_sales,
             'sales_volume'    => max(0, $sales_volume),
-            // legacy: virtual (pay_cuont) + real sales_volume; fall back to downloads when no sales yet.
-            'sales_count'     => $show_sales ? ($virtual_sales + max(0, $sales_volume, $download_count)) : 0,
+            // 展示销量 = 真实订单 + 后台「销量浮动」(pay_count)。
+            'sales_count'     => $show_sales ? aksrt_get_content_sales_count($p, $pay_meta) : 0,
             'show_sales'      => $show_sales,
             'download_limit_over_price' => $over_price,
             'require_login'   => !empty($pay_meta['require_login']),
@@ -352,6 +352,30 @@ if (!function_exists('aksrt_bump_content_sales_volume')) {
     }
 }
 
+/**
+ * Total sales shown to visitors: real paid orders plus the configured 销量浮动.
+ *
+ * pay_count is the only field behind the 后台「销量浮动」输入框(资源 metabox 与
+ * 快捷编辑都写这个键),此前没有任何读取方用它,导致设了不生效。所有展示销量
+ * 的地方都必须走这个口径,不要再各自拼 virtual_sales / sales_volume。
+ *
+ * @param array<string,mixed> $pay_meta 已取得的付费 meta,传空则按 $post_id 现取。
+ */
+if (!function_exists('aksrt_get_content_sales_count')) {
+    function aksrt_get_content_sales_count($post = null, array $pay_meta = []): int {
+        $post_id = $post instanceof \WP_Post ? (int) $post->ID : (int) $post;
+        if ($post_id <= 0) {
+            return 0;
+        }
+        if ($pay_meta === []) {
+            $pay_meta = function_exists('aksrt_get_pay_meta') ? aksrt_get_pay_meta($post) : [];
+        }
+        $real = max(0, (int) get_post_meta($post_id, \AKSRT\Core\DomainModel::RESOURCE_SALES_VOLUME_KEY, true));
+        $float = max(0, (int) ($pay_meta['pay_count'] ?? 0));
+        return max(0, $real + $float);
+    }
+}
+
 /**
  * Whether guest cash purchase is allowed (legacy pay_no_logged_in + pay_limit=0).
  */
@@ -1348,8 +1372,7 @@ if (!function_exists('aksrt_get_paywall_html')) {
         if ($doc === '') {
             $doc = sprintf(__('此内容为%s，请付费后查看', 'aksrt'), $type_label);
         }
-        $sales = max(0, (int) ($meta['virtual_sales'] ?? 0));
-        $sales += max(0, (int) get_post_meta($post->ID, \AKSRT\Core\DomainModel::RESOURCE_SALES_VOLUME_KEY, true));
+        $sales = aksrt_get_content_sales_count($post, $meta);
 		$tag = $is_widget
 			? '<badge class="pay-tag abs-center">' . esc_html($type_label) . '</badge>'
 			: '<div class="pay-tag abs-center">' . esc_html($type_label) . '</div>';
@@ -1537,8 +1560,7 @@ if (!function_exists('aksrt_get_paid_box_html')) {
 		$order_type = (int) ($order_types[$pay_type] ?? 1);
 		$type_label = (string) ($type_labels[$pay_type] ?? __('付费内容', 'aksrt'));
 		$title = get_the_title($post);
-		$sales = max(0, (int) ($meta['virtual_sales'] ?? 0));
-		$sales += max(0, (int) get_post_meta($post->ID, \AKSRT\Core\DomainModel::RESOURCE_SALES_VOLUME_KEY, true));
+		$sales = aksrt_get_content_sales_count($post, $meta);
 		$sales_label = function_exists('aksrt_format_number') ? aksrt_format_number($sales) : number_format_i18n($sales);
 		$count = $sales > 0 ? '<badge class="img-badge hot jb-blue px12">' . esc_html(sprintf(__('已售 %s', 'aksrt'), $sales_label)) . '</badge>' : '';
 		$order = aksrt_get_current_content_paid_order($post);
diff --git a/inc/helpers/aksrt-resource.php b/inc/helpers/aksrt-resource.php
index b720760d..13866ce3 100644
--- a/inc/helpers/aksrt-resource.php
+++ b/inc/helpers/aksrt-resource.php
@@ -84,7 +84,8 @@ if (!function_exists('aksrt_get_resource_meta')) {
             'download_count'  => max(0, max($download_count, $legacy_download_count)),
             'view_count'      => max(0, max($resource_view_count, $common_view_count)),
             'virtual_sales'   => $virtual_sales,
-            'sales_count'     => $show_sales ? ($virtual_sales + max(0, max($download_count, $legacy_download_count))) : 0,
+            // 展示销量 = 真实订单 + 后台「销量浮动」(pay_count),与内容帖同一口径。
+            'sales_count'     => $show_sales ? aksrt_get_content_sales_count($p, $pay_meta) : 0,
             'show_sales'      => $show_sales,
             'require_login'   => !empty($pay_meta['require_login']),
             'require_captcha' => !empty($pay_meta['require_captcha']),
diff --git a/src/Admin/Native/PostListEnhance.php b/src/Admin/Native/PostListEnhance.php
index dc1fc9e9..d927f091 100644
--- a/src/Admin/Native/PostListEnhance.php
+++ b/src/Admin/Native/PostListEnhance.php
@@ -166,8 +166,11 @@ class PostListEnhance {
 			$price_text = $this->currency_symbol() . ':' . (string) ($pay_meta['price'] ?? '0.00');
 		}
 
-		$sales_volume = max(0, (int) get_post_meta($post_id, \AKSRT\Core\DomainModel::RESOURCE_SALES_VOLUME_KEY, true));
+		// 列表列与前台同一口径：真实订单 + 后台「销量浮动」(pay_count)。
+		// 真实销量取订单表统计，_aksrt_sales_volume 只是订单流水累加的副本。
 		$real_sales   = $this->real_sales_count($post_id);
+		$meta_sales   = max(0, (int) get_post_meta($post_id, \AKSRT\Core\DomainModel::RESOURCE_SALES_VOLUME_KEY, true));
+		$sales_volume = max($real_sales, $meta_sales) + max(0, (int) ($pay_meta['pay_count'] ?? 0));
 		$real_html    = $real_sales > 0
 			? ' <a title="' . esc_attr__('点击查看销售明细', 'aksrt') . '" href="' . esc_url($this->orders_url($post_id)) . '">[' . esc_html(sprintf(__('真实销量%s', 'aksrt'), $real_sales)) . ']</a>'
 			: '';
diff --git a/tests/widget-system/sales-volume-float-contract.test.cjs b/tests/widget-system/sales-volume-float-contract.test.cjs
new file mode 100644
index 00000000..64085c28
--- /dev/null
+++ b/tests/widget-system/sales-volume-float-contract.test.cjs
@@ -0,0 +1,56 @@
+const test = require('node:test')
+const assert = require('node:assert/strict')
+const fs = require('node:fs')
+const path = require('node:path')
+
+const root = path.resolve(__dirname, '../..')
+const read = file => fs.readFileSync(path.join(root, file), 'utf8')
+
+const pay = read('inc/helpers/aksrt-pay.php')
+const resource = read('inc/helpers/aksrt-resource.php')
+const list = read('src/Admin/Native/PostListEnhance.php')
+const domain = read('src/Core/DomainModel.php')
+
+test('sales count has a single read path that adds the 销量浮动', () => {
+  // 展示销量只有一个口径：真实订单 + 后台「销量浮动」(pay_count)。
+  // 此前各调用点各自拼 virtual_sales / sales_volume，pay_count 写进去却没人读。
+  assert.match(pay, /function aksrt_get_content_sales_count\(/)
+  assert.match(pay, /RESOURCE_SALES_VOLUME_KEY/)
+  assert.match(pay, /\$pay_meta\['pay_count'\]/)
+  // 两部分都必须下限为 0，避免负的浮动把销量拉成负数。
+  assert.match(pay, /max\(0, \$real \+ \$float\)/)
+})
+
+test('every sales_count producer goes through that read path', () => {
+  // 内容帖、资源帖、付费墙、付费盒四处不得再各自拼装销量。
+  assert.match(pay, /'sales_count'\s*=>\s*\$show_sales \? aksrt_get_content_sales_count\(\$p, \$pay_meta\) : 0/)
+  assert.match(resource, /'sales_count'\s*=>\s*\$show_sales \? aksrt_get_content_sales_count\(\$p, \$pay_meta\) : 0/)
+  assert.match(pay, /\$sales = aksrt_get_content_sales_count\(\$post, \$meta\)/)
+
+  // 不得再出现按 virtual_sales 现拼销量的旧写法。
+  assert.doesNotMatch(pay, /\$sales\s*=\s*max\(0, \(int\) \(\$meta\['virtual_sales'\] \?\? 0\)\);/)
+  assert.doesNotMatch(pay, /\$virtual_sales \+ max\(0, \$sales_volume, \$download_count\)/)
+  assert.doesNotMatch(resource, /\$virtual_sales \+ max\(0, max\(\$download_count, \$legacy_download_count\)\)/)
+})
+
+test('pay_count is declared, sanitized and consumed end to end', () => {
+  // 删掉任何一段，这个字段就又变成「设了不生效」的摆设。
+  assert.match(domain, /'pay_count'\s*=>\s*0/, 'default value exists')
+  assert.match(domain, /\$meta\['pay_count'\]\s*=\s*\(int\)/, 'sanitize exists')
+
+  // 后台两个入口都写这个键：资源 metabox 与文章列表快捷/批量编辑。
+  assert.match(read('src/Core/ResourceMetaBox.php'), /'pay_count'/)
+  assert.match(list, /case 'pay_count':/)
+
+  // 快捷编辑按整数运算，与读取口径的 max(0,(int)) 一致。
+  const branch = list.slice(list.indexOf("case 'pay_count':"), list.indexOf('case \'price\':'))
+  assert.match(branch, /apply_operation/)
+  assert.match(branch, /max\(0, \(int\) \$new\)/)
+})
+
+test('the admin sales column shows 真实 + 浮动, not the raw meta', () => {
+  // 列表列与前台同一口径：真实订单 + pay_count，否则后台与前台数字不一致。
+  assert.match(list, /\$sales_volume = max\(\$real_sales, \$meta_sales\) \+ max\(0, \(int\) \(\$pay_meta\['pay_count'\] \?\? 0\)\)/)
+  // 真实销量取订单表统计，不能只有 meta 副本。
+  assert.match(list, /\$real_sales   = \$this->real_sales_count\(\$post_id\)/)
+})