diff --git a/.htaccess b/.htaccess
index 5642131..fdb01af 100644
--- a/.htaccess
+++ b/.htaccess
@@ -1 +1,6 @@
-LimitRequestBody 10485760
\ No newline at end of file
+# 增加请求体大小限制
+LimitRequestBody 524288000
+
+# 错误处理
+ErrorDocument 500 /error_pages/500.html
+ErrorDocument 404 /error_pages/404.html
\ No newline at end of file
diff --git a/error_pages/404.html b/error_pages/404.html
new file mode 100644
index 0000000..0067d9a
--- /dev/null
+++ b/error_pages/404.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>404 - 页面未找到</title>
+    <link href="/css/bootstrap.min.css" rel="stylesheet">
+    <style>
+        body { display: flex; justify-content: center; align-items: center; height: 100vh; margin: 0; background-color: #f8f9fa; }
+        .error-container { text-align: center; padding: 2rem; background-color: white; border-radius: 10px; box-shadow: 0 0 10px rgba(0,0,0,0.1); }
+        h1 { font-size: 5rem; margin: 0; color: #6c757d; }
+        p { font-size: 1.2rem; margin: 1rem 0; }
+    </style>
+</head>
+<body>
+    <div class="error-container">
+        <h1>404</h1>
+        <h2>页面未找到</h2>
+        <p>您请求的页面不存在或已被移动。</p>
+        <a href="/" class="btn btn-primary mt-3">返回首页</a>
+    </div>
+</body>
+</html>
\ No newline at end of file
diff --git a/error_pages/500.html b/error_pages/500.html
new file mode 100644
index 0000000..3294d25
--- /dev/null
+++ b/error_pages/500.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>500 - 服务器内部错误</title>
+    <link href="/css/bootstrap.min.css" rel="stylesheet">
+    <style>
+        body { display: flex; justify-content: center; align-items: center; height: 100vh; margin: 0; background-color: #f8f9fa; }
+        .error-container { text-align: center; padding: 2rem; background-color: white; border-radius: 10px; box-shadow: 0 0 10px rgba(0,0,0,0.1); }
+        h1 { font-size: 5rem; margin: 0; color: #dc3545; }
+        p { font-size: 1.2rem; margin: 1rem 0; }
+    </style>
+</head>
+<body>
+    <div class="error-container">
+        <h1>500</h1>
+        <h2>服务器内部错误</h2>
+        <p>服务器遇到意外错误，无法完成您的请求。</p>
+        <p>我们的技术团队已收到通知，正在处理此问题。</p>
+        <a href="/" class="btn btn-primary mt-3">返回首页</a>
+    </div>
+</body>
+</html>
\ No newline at end of file
diff --git a/php.ini b/php.ini
new file mode 100644
index 0000000..2c62cb4
--- /dev/null
+++ b/php.ini
@@ -0,0 +1,24 @@
+; 自定义PHP配置文件 - 用于大型文件上传
+
+[PHP]
+; 上传文件大小限制
+upload_max_filesize = 500M
+; POST数据大小限制
+post_max_size = 500M
+; 脚本最大执行时间(秒)
+max_execution_time = 300
+; 输入数据解析时间限制
+max_input_time = 300
+; 内存限制
+memory_limit = 256M
+
+; 错误日志设置
+log_errors = On
+error_log = "php_errors.log"
+error_reporting = E_ALL & ~E_DEPRECATED & ~E_STRICT
+
+; 文件上传临时目录
+; upload_tmp_dir = "C:\temp\php_uploads"
+
+[Date]
+date.timezone = Asia/Shanghai
\ No newline at end of file
