diff --git a/application/api/controller/Order.php b/application/api/controller/Order.php
index e25246f..b3613c7 100644
--- a/application/api/controller/Order.php
+++ b/application/api/controller/Order.php
@@ -81,26 +81,87 @@ class Order extends base{
         if(!$rule->check($data)){
             return jsonError($rule->getError());
         }
-        $time = time();
         $param = "pi=616562&ms=".$data['ms'];
-
-        $hmac = hash_hmac('sha512', $time."paystation".$param, Env::get("paystation.hmac"));
-        $url = "https://payments.paystation.co.nz/lookup?".$param."&pstn_HMAC=".$hmac."&pstn_HMACTimestamp=".$time;
+        $url = "https://payments.paystation.co.nz/lookup?".$param;
         $res = myGet($url);
         return jsonSuccess($res);
 
     }
 
-    public function testtest(){
+    public function testPaystationLookup1(){
+
         $data = $this->request->post();
         $rule = new Validate([
-            "id"=>"require"
+            "transaction_id"=>"require"
         ]);
         if(!$rule->check($data)){
             return jsonError($rule->getError());
         }
-        $res =  paystationLookup($data['id']);
-        return jsonSuccess(object_to_array(json_decode($res)));
+//        $accessToken = createPayStationToken();
+//        $curl = curl_init();
+//        curl_setopt_array($curl, array(
+//            CURLOPT_URL => 'https://api.paystation.co.nz/v1/transactions/'.$data['transaction_id'],
+//            CURLOPT_RETURNTRANSFER => true,
+//            CURLOPT_ENCODING => '',
+//            CURLOPT_MAXREDIRS => 10,
+//            CURLOPT_TIMEOUT => 0,
+//            CURLOPT_FOLLOWLOCATION => true,
+//            CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
+//            CURLOPT_CUSTOMREQUEST => 'GET',
+//            CURLOPT_HTTPHEADER => array(
+//                'Content-Type: application/json',
+//                'Authorization: Bearer '.$accessToken
+//            )
+//        ));
+//        $response = curl_exec($curl);
+//        curl_close($curl);
+        $response = paystationLookup($data['transaction_id']);
+
+        $res = object_to_array(json_decode($response));
+        return jsonSuccess($res);
+    }
+
+    public function testPays(){
+        $data = $this->request->post();
+        $rule = new Validate([
+            "ms"=>"require"
+        ]);
+        if(!$rule->check($data)){
+            return jsonError($rule->getError());
+        }
+
+        $url = "https://payments.paystation.co.nz/lookup/";
+        $time = time();
+        $params = [
+            "pi" => "616562",
+            "ms" => $data['ms'],
+            "pstn_HMACTimestamp" => $time
+        ];
+        $secret_key = Env::get("paystation.hmac");// 使用提供的HMAC认证密钥
+//        function calculate_hmac($key, $message) {
+//            return hash_hmac('sha256', $message, $key);
+//        }
+        $query_string = http_build_query($params);
+        $hmac_signature = hash_hmac('sha256', $time."paystation".$query_string,$secret_key);
+        $params["pstn_HMAC"] = $hmac_signature;
+        $url_with_params = $url . '?' . http_build_query($params);
+
+        echo $url_with_params;
+
+        $ch = curl_init();
+        curl_setopt($ch, CURLOPT_URL, $url_with_params);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+        $response = curl_exec($ch);
+        if(curl_errno($ch)) {
+            echo 'Error:' . curl_error($ch);
+        } else {
+            echo "Response: " . $response;
+        }
+        curl_close($ch);
+
+        return jsonSuccess($response);
+
+
     }
 
 
@@ -263,12 +324,6 @@ class Order extends base{
         return jsonSuccess($frag);
     }
 
-    public function myPrin(){
-       echo prin(600);
-    }
-
-
-
     private function creatPaystation($article_id){
         $article_info = $this->article_obj->where("article_id",$article_id)->find();
         $journal_info = $this->journal_obj->where("journal_id",$article_info['journal_id'])->find();
@@ -377,20 +432,6 @@ class Order extends base{
         return jsonSuccess([]);
     }
 
-    public function mytest(){
-        $data = $this->request->post();
-        $rule = new Validate([
-            "order_id"=>"require"
-        ]);
-        if(!$rule->check($data)){
-            return jsonError($rule->getError());
-        }
-        $info = $this->order_obj->where("order_id",$data['order_id'])->find();
-        $re = $this->getOrderStatus($info['paypal_order_id']);
-        return jsonSuccess($re);
-    }
-
-
     private function getOrderStatus($orderId){
         $client = $this->createClient();
         return $client->getOrdersController()->ordersGet(["id"=>$orderId]);
diff --git a/application/api/controller/Preaccept.php b/application/api/controller/Preaccept.php
index 9f08e11..0d13b83 100644
--- a/application/api/controller/Preaccept.php
+++ b/application/api/controller/Preaccept.php
@@ -733,7 +733,14 @@ class Preaccept extends Base
 
     }
 
-
+    /**预接收前对文章的支付信息，审核以及相关操作
+     * @return \think\response\Json
+     * @throws \think\Exception
+     * @throws \think\db\exception\DataNotFoundException
+     * @throws \think\db\exception\ModelNotFoundException
+     * @throws \think\exception\DbException
+     * @throws \think\exception\PDOException
+     */
     public function getPreacceptPayment(){
         $data = $this->request->post();
         $rule = new Validate([
@@ -744,28 +751,44 @@ class Preaccept extends Base
         }
         $article_info = $this->article_obj->where("article_id",$data['article_id'])->find();
         $journal_info = $this->journal_obj->where("journal_id",$article_info['journal_id'])->find();
-        if(intval($journal_info['fee'])==0||$article_info['ctime']<1735660800){
+        if(intval($journal_info['fee'])==0||$article_info['ctime']<1735660800){//非收费期刊的文章直接返回
             $re['state'] = 1;
             $re['order'] = null;
             $re["fee"] = 0;
             return jsonSuccess($re);
         }
         $order_info = $this->order_obj->where("article_id",$article_info['article_id'])->find();
-        if($order_info['pay_type']==2){
+        if($order_info==null){
+            $re['state'] = 0;
+            $re['order'] = null;
+            $re["fee"] = 0;
+            return jsonSuccess($re);
+        }
+//        if($order_info['pay_type']==2){
             $paystation = $this->paystation_obj->where("ps_id",$order_info['ps_id'])->find();
+            $order_info['paystation'] = $paystation;
             if($order_info['state']==0){
                 $res = object_to_array(json_decode(paystationLookup($paystation['transaction_id'])));
                 if(isset($res['result']['success'])&&$res['result']['success']){
                     $this->article_obj->where("article_id",$order_info['article_id'])->update(['is_buy'=>1]);
                     $this->order_obj->where("order_id",$order_info['order_id'])->update(['state'=>1]);
+                    $re['state'] = 1;
+                    $re['fee'] = $journal_info['fee'];
+                    $re['order'] = $order_info;
+                    return jsonSuccess($re);
+                }else{
+                    $re['state'] = 0;
+                    $re['fee'] = $journal_info['fee'];
+                    $re['order'] = $order_info;
+                    return jsonSuccess($re);
                 }
+            }else{
+                $re['state'] = 1;
+                $re['fee'] = $journal_info['fee'];
+                $re['order'] = $order_info;
+                return jsonSuccess($re);
             }
-            $order_info['paystation'] = $paystation;
-        }
-        $re['state'] = $order_info?$order_info['state']:$article_info['is_buy'];
-        $re['fee'] = $journal_info['fee'];
-        $re['order'] = $order_info;
-        return jsonSuccess($re);
+//        }
     }
 
 
diff --git a/application/api/controller/Production.php b/application/api/controller/Production.php
index 83fe7d2..036d26e 100644
--- a/application/api/controller/Production.php
+++ b/application/api/controller/Production.php
@@ -1247,6 +1247,338 @@ class Production extends Base
 //        return jsonSuccess([]);
 //    }
 
+/**
+ * 生成LaTeX文档并转换为PDF
+ * @return \think\response\Json
+ */
+public function generateLatexPdf()
+{
+    $data = $this->request->post();
+    $rule = new Validate([
+        'p_article_id' => 'require|number'
+    ]);
+
+    if (!$rule->check($data)) {
+        return jsonError($rule->getError());
+    }
+
+    try {
+        // 获取文章信息
+        $p_info = $this->production_article_obj->where('p_article_id', $data['p_article_id'])->find();
+        if (!$p_info) {
+            return jsonError('文章实例不存在');
+        }
+
+        // 获取作者信息
+        $authors = $this->production_article_author_obj->where('p_article_id', $data['p_article_id'])->where('state', 0)->select();
+
+        // 获取机构信息
+        $organs = $this->production_article_organ_obj->where('p_article_id', $data['p_article_id'])->where('state', 0)->select();
+
+        // 获取正文内容
+        $main_contents = $this->production_article_main_obj->where('p_article_id', $data['p_article_id'])->where('state', 0)->order('p_main_id')->select();
+
+        // 获取参考文献
+        $references = $this->production_article_refer_obj->where('p_article_id', $data['p_article_id'])->where('state', 0)->order('index')->select();
+
+        // 构建LaTeX内容
+        $latex_content = $this->buildLatexContent($p_info, $authors, $organs, $main_contents, $references);
+
+        // 创建临时目录
+        $temp_dir = ROOT_PATH . 'public' . DS . 'temp_latex' . DS;
+        if (!is_dir($temp_dir)) {
+            mkdir($temp_dir, 0755, true);
+        }
+
+        // 生成唯一的文件名
+        $filename = 'article_' . $p_info['p_article_id'] . '_' . time();
+        $tex_file = $temp_dir . $filename . '.tex';
+        $pdf_file = $temp_dir . $filename . '.pdf';
+
+        // 写入LaTeX文件
+        file_put_contents($tex_file, $latex_content);
+
+        // 执行LaTeX编译命令生成PDF
+        $command = sprintf(
+            'cd %s && pdflatex -interaction=nonstopmode -output-directory=%s %s',
+            escapeshellarg($temp_dir),
+            escapeshellarg($temp_dir),
+            escapeshellarg($tex_file)
+        );
+
+        // 执行命令
+        $output = [];
+        $return_var = 0;
+        exec($command, $output, $return_var);
+
+        // 检查PDF是否生成成功
+        if (!file_exists($pdf_file) || filesize($pdf_file) == 0) {
+            return jsonError('PDF生成失败，请检查LaTeX内容或系统环境');
+        }
+
+        // 移动PDF到正式目录
+        $pdf_dir = ROOT_PATH . 'public' . DS . 'latex_pdfs' . DS;
+        if (!is_dir($pdf_dir)) {
+            mkdir($pdf_dir, 0755, true);
+        }
+
+        $final_pdf_path = $pdf_dir . $filename . '.pdf';
+        rename($pdf_file, $final_pdf_path);
+
+        // 清理临时文件
+        if (file_exists($tex_file)) {
+            unlink($tex_file);
+        }
+
+        // 清理辅助文件(.aux, .log等)
+        $aux_file = $temp_dir . $filename . '.aux';
+        $log_file = $temp_dir . $filename . '.log';
+        if (file_exists($aux_file)) unlink($aux_file);
+        if (file_exists($log_file)) unlink($log_file);
+
+        // 返回PDF路径
+        $relative_path = 'latex_pdfs/' . $filename . '.pdf';
+        return jsonSuccess([
+            'pdf_url' => $relative_path,
+            'message' => 'PDF生成成功'
+        ]);
+
+    } catch (\Exception $e) {
+        return jsonError('生成过程中发生错误: ' . $e->getMessage());
+    }
+}
+
+/**
+ * 构建LaTeX文档内容
+ * @param $p_info
+ * @param $authors
+ * @param $organs
+ * @param $main_contents
+ * @param $references
+ * @return string
+ */
+private function buildLatexContent($p_info, $authors, $organs, $main_contents, $references)
+{
+    // 构建机构映射
+    $organ_map = [];
+    foreach ($organs as $index => $organ) {
+        $organ_map[$organ['p_article_organ_id']] = $index + 1;
+    }
+
+    // LaTeX文档开始
+    $latex = '\documentclass[twocolumn]{article}' . "\n";
+    $latex .= '\usepackage[utf8]{inputenc}' . "\n";
+    $latex .= '\usepackage[T1]{fontenc}' . "\n";
+    $latex .= '\usepackage{geometry}' . "\n";
+    $latex .= '\usepackage{graphicx}' . "\n";
+    $latex .= '\usepackage{amsmath}' . "\n";
+    $latex .= '\usepackage{amsfonts}' . "\n";
+    $latex .= '\usepackage{amssymb}' . "\n";
+    $latex .= '\usepackage{setspace}' . "\n";
+    $latex .= '\usepackage{titlesec}' . "\n";
+    $latex .= '\usepackage{hyperref}' . "\n";
+    $latex .= '\usepackage{caption}' . "\n";
+    $latex .= '\usepackage{multicol}' . "\n";
+    $latex .= '\usepackage{abstract}' . "\n";
+
+    $latex .= '\geometry{left=1.5cm,right=1.5cm,top=2.5cm,bottom=2.5cm}' . "\n";
+    $latex .= '\setstretch{1.5}' . "\n";
+
+    $latex .= '\title{' . $this->escapeLatexText($p_info['title']) . '}' . "\n";
+
+    // 处理作者和机构
+    if (!empty($authors)) {
+        $author_text = '';
+        $affiliations = [];
+
+        foreach ($authors as $author) {
+            if ($author_text !== '') {
+                $author_text .= ', ';
+            }
+            $author_text .= $this->escapeLatexText($author['first_name'] . ' ' . $author['last_name']);
+
+            // 获取作者的机构
+            $author_organs = $this->production_article_author_to_organ_obj
+                ->where('p_article_author_id', $author['p_article_author_id'])
+                ->where('state', 0)
+                ->select();
+
+            foreach ($author_organs as $ao) {
+                if (isset($organ_map[$ao['p_article_organ_id']])) {
+                    $author_text .= '$^{' . $organ_map[$ao['p_article_organ_id']] . '}$';
+                }
+            }
+
+            if ($author['is_report'] == 1) {
+                $author_text .= '$^{*}$';
+            }
+        }
+
+        $latex .= '\author{' . $author_text . "\n";
+
+        // 添加机构信息
+        foreach ($organs as $index => $organ) {
+            $latex .= '\\\\$' . ($index + 1) . '$ ' . $this->escapeLatexText($organ['organ_name']) . "\n";
+        }
+        if (!empty($authors)) {
+            // 查找通讯作者
+            $corresponding_authors = array_filter($authors, function($author) {
+                return $author['is_report'] == 1;
+            });
+
+            if (!empty($corresponding_authors)) {
+                $corr_author = reset($corresponding_authors);
+                $latex .= '\\\\$*$ Corresponding author: ' .
+                         $this->escapeLatexText($corr_author['email']) . "\n";
+            }
+        }
+
+        $latex .= '}' . "\n";
+    }
+
+    $latex .= '\date{}' . "\n";
+    $latex .= '\begin{document}' . "\n";
+    $latex .= '\maketitle' . "\n";
+
+    // 摘要
+    if (!empty($p_info['abstract'])) {
+        $latex .= '\begin{abstract}' . "\n";
+        $latex .= $this->escapeLatexText($p_info['abstract']) . "\n";
+        $latex .= '\end{abstract}' . "\n";
+    }
+
+    // 关键词
+    if (!empty($p_info['keywords'])) {
+        $latex .= '\textbf{Keywords:} ' . $this->escapeLatexText($p_info['keywords']) . "\n";
+        $latex .= '\sectionbreak' . "\n";
+    }
+
+    // 正文内容
+    $in_section = false;
+    $section_count = 0;
+
+    foreach ($main_contents as $content) {
+        $text = trim($content['content']);
+
+        // 跳过空内容
+        if (empty($text)) {
+            continue;
+        }
+
+        // 检查是否是标题
+        $clean_text = strip_tags($text);
+        $lower_text = strtolower($clean_text);
+
+        // 判断是否为章节标题
+        if (stripos($lower_text, 'introduction') === 0 ||
+            stripos($lower_text, 'methods') === 0 ||
+            stripos($lower_text, 'results') === 0 ||
+            stripos($lower_text, 'discussion') === 0 ||
+            stripos($lower_text, 'conclusion') === 0 ||
+            stripos($lower_text, 'references') === 0) {
+
+            // 结束前一节
+            if ($in_section) {
+                $latex .= "\n" . '\sectionbreak' . "\n";
+            }
+
+            // 开始新节
+            $section_count++;
+            $section_title = $this->escapeLatexText($clean_text);
+            $latex .= '\section{' . $section_title . '}' . "\n";
+            $in_section = true;
+        }
+        // 检查是否是图片或表格占位符
+        else if (preg_match('/<img[^>]*imageId=[\'"]([^\'"]+)[\'"][^>]*>/i', $text, $img_matches)) {
+            $image_id = $img_matches[1];
+            // 这里可以添加图片处理逻辑
+            $latex .= '% 图片插入位置 (ID: ' . $image_id . ')' . "\n";
+            $latex .= '\begin{figure}[htbp]' . "\n";
+            $latex .= '\centering' . "\n";
+            $latex .= '\includegraphics[width=0.8\textwidth]{image_' . $image_id . '}' . "\n";
+            $latex .= '\caption{图片说明}' . "\n";
+            $latex .= '\end{figure}' . "\n";
+        }
+        else if (preg_match('/<table[^>]*tableId=[\'"]([^\'"]+)[\'"][^>]*>/i', $text, $table_matches)) {
+            $table_id = $table_matches[1];
+            // 这里可以添加表格处理逻辑
+            $latex .= '% 表格插入位置 (ID: ' . $table_id . ')' . "\n";
+            $latex .= '\begin{table}[htbp]' . "\n";
+            $latex .= '\centering' . "\n";
+            $latex .= '\caption{表格说明}' . "\n";
+            $latex .= '\begin{tabular}{|c|c|c|}' . "\n";
+            $latex .= '\hline' . "\n";
+            $latex .= '列1 & 列2 & 列3 \\\\' . "\n";
+            $latex .= '\hline' . "\n";
+            $latex .= '% 表格数据' . "\n";
+            $latex .= '\hline' . "\n";
+            $latex .= '\end{tabular}' . "\n";
+            $latex .= '\end{table}' . "\n";
+        }
+        // 普通段落文本
+        else {
+            // 移除HTML标签并转义特殊字符
+            $plain_text = $this->escapeLatexText(strip_tags($text));
+            $latex .= $plain_text . "\n\n";
+        }
+    }
+
+    // 参考文献
+    if (!empty($references)) {
+        $latex .= '\section*{References}' . "\n";
+        $latex .= '\begin{thebibliography}{99}' . "\n";
+
+        foreach ($references as $index => $ref) {
+            $ref_text = isset($ref['refer_frag']) ? $ref['refer_frag'] : $ref['refer_content'];
+            $latex .= '\bibitem{} ' . $this->escapeLatexText($ref_text) . "\n";
+        }
+
+        $latex .= '\end{thebibliography}' . "\n";
+    }
+
+    $latex .= '\end{document}' . "\n";
+
+    return $latex;
+}
+
+/**
+ * 转义LaTeX特殊字符
+ * @param string $text
+ * @return string
+ */
+private function escapeLatexText($text)
+{
+    // 移除HTML标签
+    $text = strip_tags($text);
+
+    // 转义LaTeX特殊字符
+    $escape_chars = [
+        '\\' => '\\textbackslash{}',
+        '&' => '\\&',
+        '%' => '\\%',
+        '$' => '\\$',
+        '#' => '\\#',
+        '_' => '\\_',
+        '{' => '\\{',
+        '}' => '\\}',
+        '~' => '\\textasciitilde{}',
+        '^' => '\\textasciicircum{}',
+        '"' => '\\"{}',
+        '\'' => '\\\'{}',
+        '<' => '\\textless{}',
+        '>' => '\\textgreater{}',
+    ];
+
+    foreach ($escape_chars as $char => $replacement) {
+        $text = str_replace($char, $replacement, $text);
+    }
+
+    return $text;
+}
+
+
+
+
     public function addProductTopic(){
         $data = $this->request->post();
         $rule = new Validate([