diff --git a/app/Http/Controllers/Admin/PlatformOrderController.php b/app/Http/Controllers/Admin/PlatformOrderController.php
index d959c9a..44d6272 100644
--- a/app/Http/Controllers/Admin/PlatformOrderController.php
+++ b/app/Http/Controllers/Admin/PlatformOrderController.php
@@ -1638,7 +1638,9 @@ class PlatformOrderController extends Controller
             if ($existing !== '' && str_starts_with($existing, 'BAS')) {
                 $res = $res
                     ->with('warning_link_href', '/admin/platform-batches/show?type=bas&run_id=' . urlencode($existing))
-                    ->with('warning_link_label', '进入上次批次复盘');
+                    ->with('warning_link_label', '进入上次批次复盘')
+                    ->with('warning_copy_text', $existing)
+                    ->with('warning_copy_label', '复制run_id');
             }
 
             return $res;
@@ -1789,7 +1791,9 @@ class PlatformOrderController extends Controller
             if ($existing !== '' && str_starts_with($existing, 'BMPA')) {
                 $res = $res
                     ->with('warning_link_href', '/admin/platform-batches/show?type=bmpa&run_id=' . urlencode($existing))
-                    ->with('warning_link_label', '进入上次批次复盘');
+                    ->with('warning_link_label', '进入上次批次复盘')
+                    ->with('warning_copy_text', $existing)
+                    ->with('warning_copy_label', '复制run_id');
             }
 
             return $res;
diff --git a/public/js/admin.js b/public/js/admin.js
index 89fec19..4091927 100644
--- a/public/js/admin.js
+++ b/public/js/admin.js
@@ -718,6 +718,30 @@
         });
     })();
 
+    // 通用：复制任意文本（用于 flash 提示中的“复制run_id”等）
+    (function(){
+        var btns = document.querySelectorAll('[data-action="copy-text"][data-copy-text]');
+        if(!btns || btns.length === 0){return;}
+
+        btns.forEach(function(btn){
+            btn.addEventListener('click', function(){
+                var text = btn.getAttribute('data-copy-text') || '';
+                var label = btn.getAttribute('data-copy-label') || '文本';
+
+                copyToClipboard(text).then(function(){
+                    markCopied(btn, true);
+                    toastCopied(label, text);
+                }).catch(function(){
+                    markCopied(btn, false);
+                    if (toastCopyFailed(label, '请手动复制：' + text)) {
+                        return;
+                    }
+                    try { window.alert('复制失败，请手动复制：' + text); } catch (e) {}
+                });
+            });
+        });
+    })();
+
     // 续费缺订阅治理：订单详情页“绑定订阅ID”输入框，小交互增强：
     // - 输入后按 Enter 直接提交
     // - 自动聚焦，减少点击
diff --git a/resources/views/admin/layouts/app.blade.php b/resources/views/admin/layouts/app.blade.php
index 52be026..4818ed1 100644
--- a/resources/views/admin/layouts/app.blade.php
+++ b/resources/views/admin/layouts/app.blade.php
@@ -97,10 +97,15 @@
                     @php
                         $flashWarningLinkHref = \App\Support\BackUrl::sanitizeForLinks((string) session('warning_link_href'));
                         $flashWarningLinkLabel = (string) (session('warning_link_label') ?: '查看');
+                        $flashWarningCopyText = (string) (session('warning_copy_text') ?: '');
+                        $flashWarningCopyLabel = (string) (session('warning_copy_label') ?: '复制');
                     @endphp
                     @if($flashWarningLinkHref !== '')
                         <a href="{{ $flashWarningLinkHref }}" class="btn btn-secondary btn-sm" style="margin-left:8px;">{{ $flashWarningLinkLabel }}</a>
                     @endif
+                    @if($flashWarningCopyText !== '')
+                        <button type="button" class="btn btn-secondary btn-sm" style="margin-left:8px;" data-action="copy-text" data-copy-text="{{ $flashWarningCopyText }}" data-copy-label="{{ $flashWarningCopyLabel }}">{{ $flashWarningCopyLabel }}</button>
+                    @endif
                 @endif
             </div>
         @endif
diff --git a/tests/Feature/AdminFlashWarningShouldSupportCopyTextButtonTest.php b/tests/Feature/AdminFlashWarningShouldSupportCopyTextButtonTest.php
new file mode 100644
index 0000000..1929b0c
--- /dev/null
+++ b/tests/Feature/AdminFlashWarningShouldSupportCopyTextButtonTest.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminFlashWarningShouldSupportCopyTextButtonTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected function loginAsPlatformAdmin(): void
+    {
+        $this->seed();
+
+        $this->post('/admin/login', [
+            'email' => 'platform.admin@demo.local',
+            'password' => 'Platform@123456',
+        ])->assertRedirect('/admin');
+    }
+
+    public function test_flash_warning_should_render_copy_text_button_when_session_keys_present(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $res = $this->withSession([
+            'warning' => '重复提交',
+            'warning_link_href' => '/admin/platform-batches/show?type=bas&run_id=BAS202603171234560001',
+            'warning_link_label' => '进入上次批次复盘',
+            'warning_copy_text' => 'BAS202603171234560001',
+            'warning_copy_label' => '复制run_id',
+        ])->get('/admin');
+
+        $res->assertOk();
+        $res->assertSee('复制run_id');
+        $res->assertSee('data-action="copy-text"', false);
+        $res->assertSee('data-copy-text="BAS202603171234560001"', false);
+    }
+}