diff --git a/web/include/db_info.inc.php b/web/include/db_info.inc.php
index 8ee3d87..251fe61 100644
--- a/web/include/db_info.inc.php
+++ b/web/include/db_info.inc.php
@@ -145,6 +145,15 @@ static  $OJ_LOG_TRACE_ENABLED=false;
 static $OJ_SaaS_ENABLE=false;
 static $OJ_MENU_NEWS=true;
 
+/* LLM AI Review - AI错误点评功能 */
+static $OJ_LLM_ENABLED=false;              // 总开关，设为true开启AI点评
+static $OJ_LLM_API_URL="https://api.openai.com/v1/chat/completions"; // API地址（兼容OpenAI格式）
+static $OJ_LLM_API_KEY="";                 // 填入你的API Key
+static $OJ_LLM_MODEL="gpt-4o-mini";        // 模型名称
+static $OJ_LLM_MAX_TOKENS=1024;            // 最大输出token数
+static $OJ_LLM_TIMEOUT=30;                 // 请求超时（秒）
+static $OJ_LLM_SYSTEM_PROMPT="";           // 自定义系统prompt，留空使用内置默认
+
 require_once(dirname(__FILE__) . "/pdo.php");
 require_once(dirname(__FILE__) . "/init.php");
 
diff --git a/web/llm-review.php b/web/llm-review.php
new file mode 100644
index 0000000..7f1c73e
--- /dev/null
+++ b/web/llm-review.php
@@ -0,0 +1,212 @@
+<?php
+/**
+ * LLM AI Review - AI错误点评
+ * 接收 solution_id，收集上下文信息，调用LLM API返回启发式点评
+ * 结果缓存到 llm_review 表，同一 solution_id 只调用一次 LLM
+ */
+header("Content-Type: application/json; charset=utf-8");
+header("Cache-Control: no-cache, must-revalidate");
+
+require_once('./include/db_info.inc.php');
+require_once('./include/setlang.php');
+require_once('./include/const.inc.php');
+
+// 检查功能是否开启
+if (!isset($OJ_LLM_ENABLED) || !$OJ_LLM_ENABLED) {
+    echo json_encode(["error" => "AI点评功能未开启"], JSON_UNESCAPED_UNICODE);
+    exit;
+}
+
+// 检查登录
+if (!isset($_SESSION[$OJ_NAME . '_user_id'])) {
+    echo json_encode(["error" => "请先登录"], JSON_UNESCAPED_UNICODE);
+    exit;
+}
+
+// 获取 solution_id
+if (!isset($_GET['sid'])) {
+    echo json_encode(["error" => "缺少参数 sid"], JSON_UNESCAPED_UNICODE);
+    exit;
+}
+$sid = intval($_GET['sid']);
+if ($sid <= 0) {
+    echo json_encode(["error" => "无效的 solution_id"], JSON_UNESCAPED_UNICODE);
+    exit;
+}
+
+// ---- 1. 检查缓存 ----
+$cache = pdo_query("SELECT `review` FROM `llm_review` WHERE `solution_id`=?", $sid);
+if ($cache !== -1 && !empty($cache)) {
+    echo json_encode(["review" => $cache[0]['review']], JSON_UNESCAPED_UNICODE);
+    exit;
+}
+
+// ---- 2. 查询 solution 信息 ----
+$solution = pdo_query("SELECT * FROM `solution` WHERE `solution_id`=?", $sid);
+if (empty($solution)) {
+    echo json_encode(["error" => "找不到该提交记录"], JSON_UNESCAPED_UNICODE);
+    exit;
+}
+$sol = $solution[0];
+$problem_id = intval($sol['problem_id']);
+$language = intval($sol['language']);
+$result_code = intval($sol['result']);
+$pass_rate = floatval($sol['pass_rate']) * 100;
+$lang_name = isset($language_name[$language]) ? $language_name[$language] : "unknown";
+
+// ---- 3. 查询学生源码 ----
+$src = pdo_query("SELECT `source` FROM `source_code_user` WHERE `solution_id`=?", $sid);
+$student_code = (!empty($src) && $src !== -1) ? $src[0]['source'] : "";
+
+// ---- 4. 查询题目信息 ----
+$prob = pdo_query("SELECT `title`,`description`,`input`,`output`,`sample_input`,`sample_output`,`hint` FROM `problem` WHERE `problem_id`=?", $problem_id);
+if (empty($prob) || $prob === -1) {
+    echo json_encode(["error" => "找不到该题目"], JSON_UNESCAPED_UNICODE);
+    exit;
+}
+$p = $prob[0];
+
+// ---- 5. 查询第一个 AC 代码（同语言） ----
+$first_ac = pdo_query(
+    "SELECT `solution_id` FROM `solution` WHERE `problem_id`=? AND `result`=4 AND `language`=? ORDER BY `in_date` ASC LIMIT 1",
+    $problem_id, $language
+);
+$reference_code = "";
+if (!empty($first_ac) && $first_ac !== -1) {
+    $ref_src = pdo_query("SELECT `source` FROM `source_code_user` WHERE `solution_id`=?", intval($first_ac[0]['solution_id']));
+    if (!empty($ref_src) && $ref_src !== -1) {
+        $reference_code = $ref_src[0]['source'];
+    }
+}
+
+// ---- 6. 查询 diff/error 信息 ----
+$diff_info = "";
+if ($result_code == 11) {
+    // 编译错误
+    $err = pdo_query("SELECT `error` FROM `compileinfo` WHERE `solution_id`=?", $sid);
+    if (!empty($err) && $err !== -1) {
+        $diff_info = $err[0]['error'];
+    }
+} else {
+    // 运行时/WA 等
+    $err = pdo_query("SELECT `error` FROM `runtimeinfo` WHERE `solution_id`=?", $sid);
+    if (!empty($err) && $err !== -1) {
+        $diff_info = $err[0]['error'];
+    }
+}
+
+// ---- 7. 组装 Prompt ----
+$system_prompt = isset($OJ_LLM_SYSTEM_PROMPT) && $OJ_LLM_SYSTEM_PROMPT !== ""
+    ? $OJ_LLM_SYSTEM_PROMPT
+    : <<<EOP
+你是一位经验丰富的编程辅导老师，正在帮助一名正在学习C++的初中学生。
+
+你的职责：
+1. 用亲切、鼓励的语气和学生交流
+2. 仔细分析学生的代码，找出错误所在并解释错误原因
+3. 给出思考方向和启发性提示，引导学生自己去发现和改正错误
+4. 绝对不要直接给出正确代码、完整解法或关键算法步骤
+5. 不要在回复中透露、引用、复述或暗示参考代码的任何内容
+6. 如果学生代码思路正确但有小bug，肯定其思路并指出具体的bug位置
+7. 如果是格式错误(PE)，提醒学生注意输出格式要求
+8. 如果是超时(TLE)，引导学生思考算法的时间复杂度
+9. 如果是运行时错误(RE)，帮助学生分析可能的数组越界、除零等问题
+10. 如果是答案错误(WA)，可以建议学生用样例手动模拟执行过程
+11. 使用中文回答，适当使用Markdown格式使内容清晰易读
+EOP;
+
+$user_prompt = "## 题目信息\n";
+$user_prompt .= "- 标题: " . $p['title'] . "\n";
+$user_prompt .= "- 题目描述:\n" . $p['description'] . "\n";
+if (!empty($p['input'])) $user_prompt .= "- 输入格式:\n" . $p['input'] . "\n";
+if (!empty($p['output'])) $user_prompt .= "- 输出格式:\n" . $p['output'] . "\n";
+if (!empty($p['sample_input'])) $user_prompt .= "- 样例输入:\n```\n" . $p['sample_input'] . "\n```\n";
+if (!empty($p['sample_output'])) $user_prompt .= "- 样例输出:\n```\n" . $p['sample_output'] . "\n```\n";
+if (!empty($p['hint'])) $user_prompt .= "- 提示:\n" . $p['hint'] . "\n";
+
+$user_prompt .= "\n## 判题结果\n";
+$user_prompt .= $judge_result[$result_code] . "（通过率: " . round($pass_rate, 1) . "%）\n";
+
+if (!empty($diff_info)) {
+    $user_prompt .= "\n## 错误/对比信息\n```\n" . $diff_info . "\n```\n";
+}
+
+$user_prompt .= "\n## 学生提交的代码\n```" . strtolower($lang_name) . "\n" . $student_code . "\n```\n";
+
+if (!empty($reference_code)) {
+    $user_prompt .= "\n## 参考代码（仅供你分析对比，绝不可在回复中透露或暗示其内容）\n```" . strtolower($lang_name) . "\n" . $reference_code . "\n```\n";
+}
+
+$user_prompt .= "\n请分析学生的错误，给出启发性的提示和引导，帮助学生自己发现问题并改正。\n";
+
+// ---- 8. 调用 LLM API ----
+$api_url = isset($OJ_LLM_API_URL) ? $OJ_LLM_API_URL : "https://api.openai.com/v1/chat/completions";
+$api_key = isset($OJ_LLM_API_KEY) ? $OJ_LLM_API_KEY : "";
+$model = isset($OJ_LLM_MODEL) ? $OJ_LLM_MODEL : "gpt-4o-mini";
+$max_tokens = isset($OJ_LLM_MAX_TOKENS) ? intval($OJ_LLM_MAX_TOKENS) : 1024;
+$timeout = isset($OJ_LLM_TIMEOUT) ? intval($OJ_LLM_TIMEOUT) : 30;
+
+if (empty($api_key)) {
+    echo json_encode(["error" => "API Key未配置"], JSON_UNESCAPED_UNICODE);
+    exit;
+}
+
+$request_body = json_encode([
+    "model" => $model,
+    "messages" => [
+        ["role" => "system", "content" => $system_prompt],
+        ["role" => "user", "content" => $user_prompt]
+    ],
+    "max_tokens" => $max_tokens,
+    "temperature" => 0.7
+]);
+
+$ch = curl_init($api_url);
+curl_setopt_array($ch, [
+    CURLOPT_POST => true,
+    CURLOPT_POSTFIELDS => $request_body,
+    CURLOPT_HTTPHEADER => [
+        "Content-Type: application/json",
+        "Authorization: Bearer " . $api_key
+    ],
+    CURLOPT_RETURNTRANSFER => true,
+    CURLOPT_TIMEOUT => $timeout,
+    CURLOPT_SSL_VERIFYPEER => true
+]);
+
+$response = curl_exec($ch);
+$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+$curl_error = curl_error($ch);
+curl_close($ch);
+
+if ($response === false) {
+    echo json_encode(["error" => "网络请求失败: " . $curl_error], JSON_UNESCAPED_UNICODE);
+    exit;
+}
+
+if ($http_code !== 200) {
+    echo json_encode(["error" => "API请求失败 (HTTP $http_code)"], JSON_UNESCAPED_UNICODE);
+    exit;
+}
+
+$resp_data = json_decode($response, true);
+if (!$resp_data || !isset($resp_data['choices'][0]['message']['content'])) {
+    echo json_encode(["error" => "API返回格式异常"], JSON_UNESCAPED_UNICODE);
+    exit;
+}
+
+$review_text = $resp_data['choices'][0]['message']['content'];
+
+// ---- 9. 缓存结果 ----
+// 自动建表（首次调用时）
+pdo_query("CREATE TABLE IF NOT EXISTS `llm_review` (
+    `solution_id` INT NOT NULL,
+    `review` TEXT NOT NULL,
+    `create_time` DATETIME NOT NULL,
+    PRIMARY KEY (`solution_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;");
+
+pdo_query("INSERT INTO `llm_review` (`solution_id`, `review`, `create_time`) VALUES (?, ?, NOW())", $sid, $review_text);
+
+// ---- 10. 返回结果 ----
+echo json_encode(["review" => $review_text], JSON_UNESCAPED_UNICODE);
diff --git a/web/template/syzoj/reinfo.php b/web/template/syzoj/reinfo.php
index cf19225..810360b 100644
--- a/web/template/syzoj/reinfo.php
+++ b/web/template/syzoj/reinfo.php
@@ -177,5 +177,80 @@
 
     <?php } ?>
 
+    <?php if(isset($OJ_LLM_ENABLED) && $OJ_LLM_ENABLED){ ?>
+    <div style="margin-top: 20px; margin-bottom: 14px; ">
+        <div class="ui styled fluid accordion" id="llm-review-accordion">
+            <div class="title" style="font-size: 1.1em; font-weight: bold; ">
+                <i class="dropdown icon"></i> 🤖 AI 点评
+            </div>
+            <div class="content">
+                <div id="llm-review-area">
+                    <button class="ui labeled icon blue button" id="llm-review-btn" onclick="fetchLLMReview()">
+                        <i class="magic icon"></i> 获取 AI 点评
+                    </button>
+                    <div id="llm-review-loading" style="display:none; margin-top: 15px; ">
+                        <div class="ui active centered inline text loader">AI 正在分析你的代码，请稍候...</div>
+                    </div>
+                    <div id="llm-review-result" style="display:none; margin-top: 15px; ">
+                        <div class="ui existing segment" id="llm-review-content"></div>
+                    </div>
+                    <div id="llm-review-error" style="display:none; margin-top: 15px; ">
+                        <div class="ui negative message">
+                            <p id="llm-review-error-msg"></p>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+    <script>
+        $(document).ready(function(){
+            $('#llm-review-accordion').accordion();
+        });
+
+        function fetchLLMReview(){
+            var btn = $('#llm-review-btn');
+            btn.prop('disabled', true).addClass('loading');
+            $('#llm-review-loading').show();
+            $('#llm-review-error').hide();
+            $('#llm-review-result').hide();
+
+            $.ajax({
+                type: 'GET',
+                url: 'llm-review.php?sid=<?php echo intval($id); ?>',
+                dataType: 'json',
+                timeout: 60000,
+                success: function(data){
+                    btn.removeClass('loading');
+                    $('#llm-review-loading').hide();
+                    if(data.error){
+                        $('#llm-review-error-msg').text(data.error);
+                        $('#llm-review-error').show();
+                        btn.prop('disabled', false);
+                    } else if(data.review){
+                        $('#llm-review-result').show();
+                        var container = document.getElementById('llm-review-content');
+                        // 先以纯文本放入，再用 Vditor 渲染为 Markdown HTML
+                        container.textContent = data.review;
+                        if(typeof HustOJVditor !== 'undefined' && HustOJVditor.renderMarkdownBlocks){
+                            HustOJVditor.renderMarkdownBlocks('#llm-review-content', {
+                                useTextContent: true
+                            });
+                        }
+                        btn.hide();
+                    }
+                },
+                error: function(xhr, status){
+                    btn.removeClass('loading').prop('disabled', false);
+                    $('#llm-review-loading').hide();
+                    var msg = '请求失败';
+                    if(status === 'timeout') msg = '请求超时，请稍后重试';
+                    $('#llm-review-error-msg').text(msg);
+                    $('#llm-review-error').show();
+                }
+            });
+        }
+    </script>
+    <?php } ?>
 
 <?php include("template/$OJ_TEMPLATE/footer.php");?>