diff --git a/config/architecture-inventory.json b/config/architecture-inventory.json
index dc0d670..5010b87 100644
--- a/config/architecture-inventory.json
+++ b/config/architecture-inventory.json
@@ -390,8 +390,8 @@
   "css_layers": [
     "/shared/tokens.css?v=20260829-hel240",
     "/shared/base.css?v=20260806-1",
-    "/shared/shell.css?v=20260829-hel237",
-    "/shared/auth.css?v=20260829-hel240b",
+    "/shared/shell.css?v=20260917-hel571",
+    "/shared/auth.css?v=20260917-hel571",
     "/shared/components/controls.css?v=20260829-hel237",
     "/shared/components/navigation.css?v=20260820-1",
     "/shared/components/cards.css?v=20260820-1",
@@ -469,8 +469,8 @@
     },
     {
       "path": "frontend/shared/shell.css",
-      "bytes": 64839,
-      "lines": 3794
+      "bytes": 64968,
+      "lines": 3808
     },
     {
       "path": "backend/features/heaven/engine.py",
@@ -479,8 +479,8 @@
     },
     {
       "path": "frontend/index.html",
-      "bytes": 44025,
-      "lines": 608
+      "bytes": 44332,
+      "lines": 612
     },
     {
       "path": "backend/data/providers/tushare_industries.py",
diff --git a/frontend/apple-touch-icon.png b/frontend/apple-touch-icon.png
new file mode 100644
index 0000000..331101f
Binary files /dev/null and b/frontend/apple-touch-icon.png differ
diff --git a/frontend/favicon-16x16.png b/frontend/favicon-16x16.png
new file mode 100644
index 0000000..35adb79
Binary files /dev/null and b/frontend/favicon-16x16.png differ
diff --git a/frontend/favicon-32x32.png b/frontend/favicon-32x32.png
new file mode 100644
index 0000000..c0f7ed7
Binary files /dev/null and b/frontend/favicon-32x32.png differ
diff --git a/frontend/favicon.ico b/frontend/favicon.ico
new file mode 100644
index 0000000..8acff15
Binary files /dev/null and b/frontend/favicon.ico differ
diff --git a/frontend/icon-192.png b/frontend/icon-192.png
new file mode 100644
index 0000000..1bb52d0
Binary files /dev/null and b/frontend/icon-192.png differ
diff --git a/frontend/icon-512.png b/frontend/icon-512.png
new file mode 100644
index 0000000..0a09bcd
Binary files /dev/null and b/frontend/icon-512.png differ
diff --git a/frontend/index.html b/frontend/index.html
index 2d1621b..aac7b4b 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -4,6 +4,10 @@
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <meta name="color-scheme" content="light dark">
+  <link rel="icon" href="/favicon.ico" sizes="any">
+  <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
+  <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
+  <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
   <title>小白复盘</title>
   <script>
     (() => {
@@ -36,8 +40,8 @@
   </script>
   <link rel="stylesheet" href="/shared/tokens.css?v=20260829-hel240">
   <link rel="stylesheet" href="/shared/base.css?v=20260806-1">
-  <link rel="stylesheet" href="/shared/shell.css?v=20260829-hel237">
-  <link rel="stylesheet" href="/shared/auth.css?v=20260829-hel240b">
+  <link rel="stylesheet" href="/shared/shell.css?v=20260917-hel571">
+  <link rel="stylesheet" href="/shared/auth.css?v=20260917-hel571">
   <link rel="stylesheet" href="/shared/components/controls.css?v=20260829-hel237">
   <link rel="stylesheet" href="/shared/components/navigation.css?v=20260820-1">
   <link rel="stylesheet" href="/shared/components/cards.css?v=20260820-1">
@@ -62,7 +66,7 @@
   <section id="authGate" class="auth-gate" aria-label="账号登录" hidden>
     <div class="auth-shell">
       <div class="auth-brand">
-        <div class="brand-mark" aria-hidden="true"><span class="brand-glyph">复</span></div>
+        <div class="brand-mark" aria-hidden="true"><img src="/icon-192.png" alt=""></div>
         <div><h1>小白复盘</h1><span>登录后进入你的复盘空间</span></div>
       </div>
       <div class="auth-tabs" role="tablist">
@@ -181,7 +185,7 @@
 
   <nav class="module-nav" aria-label="复盘模块">
     <div class="sidebar-brand">
-      <div class="sidebar-brand-mark" aria-hidden="true">复</div>
+      <div class="sidebar-brand-mark" aria-hidden="true"><img src="/icon-192.png" alt=""></div>
       <strong>小白复盘</strong>
     </div>
     <div class="nav-group market-nav-group">
diff --git a/frontend/login/index.html b/frontend/login/index.html
index 8a88068..69aee81 100644
--- a/frontend/login/index.html
+++ b/frontend/login/index.html
@@ -4,6 +4,10 @@
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <meta name="color-scheme" content="light dark">
+  <link rel="icon" href="/favicon.ico" sizes="any">
+  <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
+  <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
+  <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
   <title>登录 · 小白复盘</title>
   <script>
     (() => {
@@ -21,13 +25,13 @@
   </script>
   <link rel="stylesheet" href="/shared/tokens.css?v=20260829-hel251">
   <link rel="stylesheet" href="/shared/base.css?v=20260806-1">
-  <link rel="stylesheet" href="/shared/auth.css?v=20260829-hel251">
+  <link rel="stylesheet" href="/shared/auth.css?v=20260917-hel571">
   <link rel="stylesheet" href="/shared/components/controls.css?v=20260820-2">
 </head>
 <body class="login-portal">
   <aside class="login-brand" aria-hidden="true">
     <div class="login-brand-header">
-      <div class="login-brand-mark"><span class="login-brand-glyph">复</span></div>
+      <div class="login-brand-mark"><img src="/icon-192.png" alt=""></div>
       <div class="login-brand-identity">
         <p class="login-brand-name">小白复盘</p>
         <p class="login-brand-subtitle">A股个人复盘工作台</p>
diff --git a/frontend/m/css/shell.css b/frontend/m/css/shell.css
index 6ecf0b7..96517aa 100644
--- a/frontend/m/css/shell.css
+++ b/frontend/m/css/shell.css
@@ -288,6 +288,14 @@ body {
   margin-bottom: 12px;
 }
 
+.m-brand-mark img {
+  width: 100%;
+  height: 100%;
+  display: block;
+  border-radius: inherit;
+  object-fit: cover;
+}
+
 .m-auth-brand h2 {
   margin: 0;
   font-size: 20px;
diff --git a/frontend/m/index.html b/frontend/m/index.html
index 5ef084f..d196eec 100644
--- a/frontend/m/index.html
+++ b/frontend/m/index.html
@@ -4,6 +4,10 @@
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">
   <meta name="color-scheme" content="light dark">
+  <link rel="icon" href="/favicon.ico" sizes="any">
+  <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
+  <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
+  <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
   <title>小白复盘</title>
   <link rel="stylesheet" href="css/tokens.css">
   <link rel="stylesheet" href="css/shell.css">
@@ -25,7 +29,7 @@
       })();
     </script>
     <div id="m-boot-splash" aria-hidden="true">
-      <span class="m-brand-mark">复</span>
+      <span class="m-brand-mark"><img src="/icon-192.png" alt=""></span>
     </div>
     <header id="m-header" class="m-header">
       <button id="m-back" class="m-header-btn" type="button" aria-label="返回" hidden>
diff --git a/frontend/m/js/router.js b/frontend/m/js/router.js
index 0cfcece..9857cef 100644
--- a/frontend/m/js/router.js
+++ b/frontend/m/js/router.js
@@ -250,7 +250,7 @@
     document.getElementById("m-view").innerHTML = [
       '<div class="m-auth">',
       '<div class="m-auth-brand">',
-      '<span class="m-brand-mark">复</span>',
+      '<span class="m-brand-mark"><img src="/icon-192.png" alt=""></span>',
       '<h2>小白复盘</h2>',
       '<p>登录后进入你的复盘空间</p>',
       "</div>",
diff --git a/frontend/shared/auth.css b/frontend/shared/auth.css
index b27d24c..dc92d41 100644
--- a/frontend/shared/auth.css
+++ b/frontend/shared/auth.css
@@ -1419,10 +1419,16 @@ body.login-portal {
   background: rgba(255, 255, 255, 0.12);
 }
 
-.login-brand-glyph {
-  font-size: 20px;
+.login-brand-mark img {
+  width: 100%;
 
-  font-weight: var(--font-weight-semibold);
+  height: 100%;
+
+  display: block;
+
+  border-radius: inherit;
+
+  object-fit: cover;
 }
 
 .login-brand-identity {
diff --git a/frontend/shared/shell.css b/frontend/shared/shell.css
index 2738e62..961d0a3 100644
--- a/frontend/shared/shell.css
+++ b/frontend/shared/shell.css
@@ -787,6 +787,18 @@ body.sidebar-collapsed .app-main {
   height: 27px;
 }
 
+.brand-mark img {
+  width: 100%;
+
+  height: 100%;
+
+  display: block;
+
+  border-radius: inherit;
+
+  object-fit: cover;
+}
+
 .market-item {
   color: var(--text-muted);
 
@@ -1221,16 +1233,6 @@ body.sidebar-collapsed .app-main {
   }
 }
 
-.brand-glyph {
-  font-family: "Songti SC", SimSun, serif;
-
-  font-size: 14px;
-
-  font-weight: 800;
-
-  line-height: 1;
-}
-
 .workspace-view:not(#heavenView) .section-toolbar:first-child {
   min-height: 32px;
 
@@ -1339,6 +1341,18 @@ body.sidebar-collapsed {
   font-weight: 700;
 }
 
+.sidebar-brand-mark img {
+  width: 100%;
+
+  height: 100%;
+
+  display: block;
+
+  border-radius: inherit;
+
+  object-fit: cover;
+}
+
 .sidebar-brand strong {
   color: var(--r2-ink);