latex update

application/api/controller/Production.php

@@ -2232,8 +2232,8 @@ class Production extends Base
         $production_info = $this->production_article_obj->where("article_id",$info['article_id'])->find();
         $refers = $this->production_article_refer_obj->where("p_article_id",$production_info['p_article_id'])->where('state',0)->order("index")->select();
         $res = $this->convertToLatex($info['content'],$refers);
-
-        return jsonSuccess([$res]);
+        echo $res;
+//        return jsonSuccess([$res]);
     }
 
 
@@ -2612,12 +2612,12 @@ class Production extends Base
         // 处理上标
         if (isset($style['vertAlign']) && $style['vertAlign'] === 'superscript') {
             // LaTeX上标需要考虑嵌套，用{}包裹内容
-            $content = "^{{$content}}";
+            $content = "$^{{$content}}$";
         }
 
         // 处理下标
         if (isset($style['vertAlign']) && $style['vertAlign'] === 'subscript') {
-            $content = "_{{$content}}";
+            $content = "$_{{$content}}$";
         }
 
         return $content;