diff --git a/application/api/controller/Production.php b/application/api/controller/Production.php
index 85e3b0f..f584f23 100644
--- a/application/api/controller/Production.php
+++ b/application/api/controller/Production.php
@@ -2053,7 +2053,7 @@ class Production extends Base
             //整理引用信息的内容
 //            $updatedContent = $this->convertReferencesToLatex($article_main_info['content'], $refArray);
             //替换其他标签
-            $updatedContent = $this->convertToLatex($updatedContent,$refArray);
+            $updatedContent = $this->convertToLatex($article_main_info['content'],$refArray);
             //做内容替换
             $article_main_info['content'] = $updatedContent;
             $fragContentList[] = $article_main_info;
@@ -2095,6 +2095,8 @@ class Production extends Base
             ->where('state', 0)
             ->order('index ASC')
             ->select();
+
+
         $refArray = [];
         foreach ($references as $ref) {
             $refArray[$ref['index'] + 1] = $ref;
@@ -2112,7 +2114,10 @@ class Production extends Base
         if (empty(trim($content))) {
             return '';
         }
+        $content = str_replace("–","-",$content);
+
         $content = $this->convertReferencesToLatex($content, $refArray);
+
         // 步骤1：忽略并移除<tr>、</tr>和<nbsp/>标签
         $content = $this->removeIgnoredTags($content);
 
@@ -2428,7 +2433,7 @@ class Production extends Base
             '%'  => '\\%',
             '#'  => '\\#',
             '&'  => '\\&',
-            '_'  => '\\_',
+//            '_'  => '\\_',
             '^'  => '\\textasciicircum',
             '~'  => '\\textasciitilde',
         ];
@@ -2619,7 +2624,6 @@ class Production extends Base
             function ($matches) use ($references) {
                 // 去除匹配中的 <blue> 和 </blue>
                 $cleanedMatch = str_replace(['<blue>', '</blue>'], '', $matches[0]);
-
                 // 提取引用编号部分（去掉方括号）
                 $referencePart = trim($cleanedMatch, '[]');
 
@@ -2647,7 +2651,6 @@ class Production extends Base
                         // 单个引用编号处理
                         $index = intval($part);
                         $arrayIndex = $index;
-
                         if (isset($references[$arrayIndex]) && !empty($references[$arrayIndex]['p_refer_id'])) {
                             $latexRefs[] = 'ref_' . $references[$arrayIndex]['p_refer_id'];
                         } else {