diff --git a/static/img/favicon.svg b/static/img/favicon.svg
new file mode 100644
index 0000000..bf32983
--- /dev/null
+++ b/static/img/favicon.svg
@@ -0,0 +1,11 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32">
+  <rect x="4" y="2" width="16" height="28" rx="2" fill="#4a90d9"/>
+  <rect x="6" y="6" width="10" height="2" fill="#fff"/>
+  <rect x="6" y="10" width="10" height="1" fill="#fff" opacity="0.7"/>
+  <rect x="6" y="13" width="8" height="1" fill="#fff" opacity="0.7"/>
+  <rect x="6" y="16" width="10" height="1" fill="#fff" opacity="0.7"/>
+  <rect x="6" y="19" width="6" height="1" fill="#fff" opacity="0.7"/>
+  <path d="M20 8 L28 16 L20 24 L20 20 L14 20 L14 12 L20 12 Z" fill="#28a745"/>
+  <circle cx="26" cy="16" r="4" fill="#ffc107"/>
+  <text x="24" y="18" font-size="6" fill="#333" font-weight="bold">中</text>
+</svg>
\ No newline at end of file
diff --git a/templates/admin/cache.html b/templates/admin/cache.html
index 18b6e07..4b8506a 100644
--- a/templates/admin/cache.html
+++ b/templates/admin/cache.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <title>缓存管理 - 后台管理</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
     <style>
diff --git a/templates/admin/dashboard.html b/templates/admin/dashboard.html
index bd50cb3..8af2a7a 100644
--- a/templates/admin/dashboard.html
+++ b/templates/admin/dashboard.html
@@ -4,6 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>后台管理 - PDF翻译助手</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
     <style>
diff --git a/templates/admin/llm_config.html b/templates/admin/llm_config.html
index 8f91210..98256ac 100644
--- a/templates/admin/llm_config.html
+++ b/templates/admin/llm_config.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <title>大模型配置 - 后台管理</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
     <style>
diff --git a/templates/admin/logs.html b/templates/admin/logs.html
index fb55145..76a4a97 100644
--- a/templates/admin/logs.html
+++ b/templates/admin/logs.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <title>操作日志 - 后台管理</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
     <style>
diff --git a/templates/admin/membership.html b/templates/admin/membership.html
index 849c4dd..dff15b2 100644
--- a/templates/admin/membership.html
+++ b/templates/admin/membership.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <title>会员套餐配置 - 后台管理</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
     <style>
diff --git a/templates/admin/membership_plan_form.html b/templates/admin/membership_plan_form.html
index 82230af..911c7e2 100644
--- a/templates/admin/membership_plan_form.html
+++ b/templates/admin/membership_plan_form.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <title>{% if plan %}编辑会员套餐{% else %}添加会员套餐{% endif %} - 后台管理</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
     <style>
diff --git a/templates/admin/membership_plans.html b/templates/admin/membership_plans.html
index 5e237cf..9bd77b9 100644
--- a/templates/admin/membership_plans.html
+++ b/templates/admin/membership_plans.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <title>会员套餐配置 - 后台管理</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
     <style>
diff --git a/templates/admin/package_form.html b/templates/admin/package_form.html
index 31c5b23..3228c15 100644
--- a/templates/admin/package_form.html
+++ b/templates/admin/package_form.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <title>{% if package %}编辑套餐{% else %}添加套餐{% endif %} - 后台管理</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
     <style>
diff --git a/templates/admin/packages.html b/templates/admin/packages.html
index 4899800..0a1f7f6 100644
--- a/templates/admin/packages.html
+++ b/templates/admin/packages.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <title>数据包套餐 - 后台管理</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
     <style>
diff --git a/templates/admin/settings.html b/templates/admin/settings.html
index aaaaaf7..a732285 100644
--- a/templates/admin/settings.html
+++ b/templates/admin/settings.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <title>系统配置 - 后台管理</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
     <style>
diff --git a/templates/admin/stats.html b/templates/admin/stats.html
index d63aeb6..545b4b2 100644
--- a/templates/admin/stats.html
+++ b/templates/admin/stats.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <title>统计报表 - 后台管理</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
     <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
diff --git a/templates/admin/translation_detail.html b/templates/admin/translation_detail.html
index f28d159..0baea14 100644
--- a/templates/admin/translation_detail.html
+++ b/templates/admin/translation_detail.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <title>翻译详情 - 后台管理</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
     <style>
diff --git a/templates/admin/translations.html b/templates/admin/translations.html
index f157921..9e345cc 100644
--- a/templates/admin/translations.html
+++ b/templates/admin/translations.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <title>翻译记录 - 后台管理</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
     <style>
diff --git a/templates/admin/user_detail.html b/templates/admin/user_detail.html
index 91e3331..fe0f7ab 100644
--- a/templates/admin/user_detail.html
+++ b/templates/admin/user_detail.html
@@ -4,6 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>用户详情 - 后台管理</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
     <style>
diff --git a/templates/admin/user_limits.html b/templates/admin/user_limits.html
index df2e019..b662e52 100644
--- a/templates/admin/user_limits.html
+++ b/templates/admin/user_limits.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <title>用户权限配置 - 后台管理</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
     <style>
diff --git a/templates/admin/user_type_form.html b/templates/admin/user_type_form.html
index 7adce1a..e9bc8d6 100644
--- a/templates/admin/user_type_form.html
+++ b/templates/admin/user_type_form.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <title>{% if user_type %}编辑用户类型{% else %}添加用户类型{% endif %} - 后台管理</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
     <style>
diff --git a/templates/admin/user_types.html b/templates/admin/user_types.html
index e8d0edb..736c294 100644
--- a/templates/admin/user_types.html
+++ b/templates/admin/user_types.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <title>用户类型配置 - 后台管理</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
     <style>
diff --git a/templates/admin/users.html b/templates/admin/users.html
index 7cb9200..4805142 100644
--- a/templates/admin/users.html
+++ b/templates/admin/users.html
@@ -4,6 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>用户管理 - 后台管理</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css" rel="stylesheet">
     <style>
diff --git a/templates/history.html b/templates/history.html
index 68c5674..0a6c95e 100644
--- a/templates/history.html
+++ b/templates/history.html
@@ -4,6 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>翻译历史 - PDF翻译助手</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="/static/css/style.css" rel="stylesheet">
 </head>
diff --git a/templates/index.html b/templates/index.html
index ddd28b8..5090611 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -4,6 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>PDF翻译助手 - 英文PDF翻译中文</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="/static/css/style.css" rel="stylesheet">
 </head>
diff --git a/templates/login.html b/templates/login.html
index 9bbcca8..da46983 100644
--- a/templates/login.html
+++ b/templates/login.html
@@ -4,6 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>登录 - PDF翻译助手</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="/static/css/style.css" rel="stylesheet">
 </head>
diff --git a/templates/pricing.html b/templates/pricing.html
index 67cd100..59e7844 100644
--- a/templates/pricing.html
+++ b/templates/pricing.html
@@ -4,6 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>会员套餐 - PDF翻译助手</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="/static/css/style.css" rel="stylesheet">
 </head>
diff --git a/templates/register.html b/templates/register.html
index 7f8da46..c962e08 100644
--- a/templates/register.html
+++ b/templates/register.html
@@ -4,6 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>注册 - PDF翻译助手</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="/static/css/style.css" rel="stylesheet">
 </head>
diff --git a/templates/translation.html b/templates/translation.html
index 1ff67e8..914a66f 100644
--- a/templates/translation.html
+++ b/templates/translation.html
@@ -4,8 +4,9 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>翻译详情 - PDF翻译助手</title>
+    <link rel="icon" href="/static/img/favicon.svg" type="image/svg+xml">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
-    <link href="/static/css/style.css" rel="stylesheet>
+    <link href="/static/css/style.css" rel="stylesheet">
 </head>
 <body>
     <nav class="navbar navbar-expand-lg navbar-dark bg-primary">
