diff --git a/application/api/controller/Production.php b/application/api/controller/Production.php
index a59d948..da5601b 100644
--- a/application/api/controller/Production.php
+++ b/application/api/controller/Production.php
@@ -2300,9 +2300,21 @@ class Production extends Base
             return '';
         }
         //单行处理公式内容
-        $pattern = '/^<wmath[^>]*?\s+data-latex="([^"]*)"[^>]*?>.*?<\/wmath>$/';
+/*        $pattern = '/^<wmath[^>]*?\s+data-latex="([^"]*)"[^>]*?>.*?<\/wmath>$/';*/
+//        if(preg_match($pattern, $content) === 1){
+//            $pattern1 = '/<wmath[^>]*?\s+data-latex="([^"]*)">/';
+//            if (preg_match($pattern1, $content, $matches)) {
+//                $latexContent = $matches[1];
+//                // 将 $$ 转换为 $，因为equation环境不需要$$
+//                $latexContent = str_replace('$$', '', $latexContent);
+//
+//                return "\\begin{equation}\n\t{$latexContent}\n\\end{equation}";
+//            }
+//            return $content;
+//        }
+        $pattern = '/^<wmath[^>]*?\s+data-latex="([^"]*)"[^>]*?\s+data-wrap="block"[^>]*?>.*?<\/wmath>$/';
         if(preg_match($pattern, $content) === 1){
-            $pattern1 = '/<wmath[^>]*?\s+data-latex="([^"]*)">/';
+            $pattern1 = '/<wmath[^>]*?\s+data-latex="([^"]*)"[^>]*?\s+data-wrap="block"[^>]*?>/';
             if (preg_match($pattern1, $content, $matches)) {
                 $latexContent = $matches[1];
                 // 将 $$ 转换为 $，因为equation环境不需要$$
@@ -2360,7 +2372,7 @@ class Production extends Base
                 $latex .= $this->escapeLatexSpecialChars($content);
                 $content = '';
             }else {
-                $tagOpen = "<{$nextTag}>";
+                $tagOpen = "<{$nextTag}";
                 $tagClose = "</{$nextTag}>";
                 $beginTag = strpos($content, $tagOpen);
 
@@ -2450,7 +2462,7 @@ class Production extends Base
      * @return int|false 闭合标签的起始位置
      */
     private function getLastTabIndex($content, $tag) {
-        $tagOpen = "<{$tag}>";
+        $tagOpen = "<{$tag}";
         $tagClose = "</{$tag}>";
 
         $beginTag = strpos($content, $tagOpen);
@@ -2466,7 +2478,7 @@ class Production extends Base
 
         // 统计当前标签内的开放标签数量
         $caNowStr = substr($content, $beginTag, $endTagCa - $beginTag + strlen($tagClose));
-        $caCount = preg_match_all("/<{$tag}>/", $caNowStr, $matches);
+        $caCount = preg_match_all("/<{$tag}/", $caNowStr, $matches);
 
         if ($caCount === 1) {
             return $endTagCa;
@@ -2479,7 +2491,7 @@ class Production extends Base
                     break;
                 }
                 $substring = substr($content, $beginTag, $numIndex - $beginTag + strlen($tagClose));
-                $ccaCount = preg_match_all("/<{$tag}>/", $substring, $matches);
+                $ccaCount = preg_match_all("/<{$tag}/", $substring, $matches);
                 if ($ccaCount !== $caCount) {
                     $caCount = $ccaCount;
                 } else {