diff --git a/application/common/LatexContent.php b/application/common/LatexContent.php
index 286237b..e241dde 100644
--- a/application/common/LatexContent.php
+++ b/application/common/LatexContent.php
@@ -52,6 +52,7 @@ page={{stage_page}},%号
 \usepackage{tabularray}
 \addbibresource{references_{{article_id}}.bib}
 \definecolor{evenRowColor}{RGB}{250,231,232}
+\SetLeftRatio{{{left_ratio}}}
 \setlength{\parindent}{1em}
 \title{{{article_title}}}
 
@@ -230,6 +231,10 @@ page={{stage_page}},%号
         $aSearch['{{keywords}}'] = $sKeywords;
         // $aSearch['{{CLSFILEURL}}'] = ROOT_PATH.'public/latex/cls';
         $aSearch['{{article_id}}'] = $aProductionArticle['article_id'];
+        $aSearch['is_have_icon'] = empty($sIcon) ? 2 : 1;
+        //计算左侧内容长度
+        $aRatio = $this->generateLatexDynamicColumns($aSearch);
+        $aSearch['{{left_ratio}}'] = empty($aRatio['left_ratio']) ? '' : $aRatio['left_ratio'];
         //模版内容替换
         $sTemplateInfo = str_replace(array_keys($aSearch), array_values($aSearch), $sTemplateInfo);
         //返回内容
@@ -712,6 +717,97 @@ page={{stage_page}},%号
 
         return ['status' => 1,'msg' => 'success','data' => implode("\n", $latexLines)];
     }
-    
+
+    /**
+     * 动态LaTeX 比例分栏[两栏]
+     */
+    private function generateLatexDynamicColumns($aSearch = []) {
+
+        //数据处理
+        //右侧列
+        $sRightLen = '';
+        if(!empty($aSearch['{{abstract}}'])){
+            $sRightLen .= $aSearch['{{abstract}}'];
+        }
+        if(!empty($aSearch['{{keywords}}'])){
+            $sRightLen .= $aSearch['{{keywords}}'];
+        }
+        $iRightLen = mb_strlen($sRightLen, 'UTF-8');
+
+        if(!empty($aSearch['is_have_icon']) && $aSearch['is_have_icon'] == 1){
+            $iRightImgRatio = 0.6; // 图片宽度=0.6\textwidth
+            $iRightImgChar = $this->imgRatioToCharCount($iRightImgRatio);
+            $iRightLen = $iRightLen + $iRightImgChar;
+        }
+        //左侧列
+        $sLefttLen = '';
+        if(!empty($aSearch['{{author_contribution}}'])){
+            $sLefttLen .= 'Author contributions'."\n".$aSearch['{{author_contribution}}'];
+        }
+        $sLefttLen .= 'Competing interests'."\n".'The authors declare no conflicts of interest.';
+        if(!empty($aSearch['{{article_acknowledgment}}'])){
+            $sLefttLen .= 'Acknowledgments'."\n".$aSearch['{{article_acknowledgment}}'];
+        }
+        if(!empty($aSearch['{{article_abbreviation}}'])){
+            $sLefttLen .= 'Abbreviations'."\n".$aSearch['{{article_abbreviation}}'];
+        }
+        if(!empty($aSearch['{{article_cite}}'])){
+            $sLefttLen .= 'Citation'."\n".$aSearch['{{article_cite}}'];
+        }
+        if(!empty($aSearch['{{journal_title}}'])){
+            $sLefttLen .= 'Peer review information'."\n".$aSearch['{{journal_title}}'].' thanks all anonymous reviewers for their contribution to the peer review of this paper';
+        }
+        if(!empty($aSearch['{{editorial_advisory_board}}'])){
+            $sLefttLen .= 'Editorial Advisory Board: '.$aSearch['{{editorial_advisory_board}}'];
+        }
+        if(!empty($aSearch['{{executive_editor}}'])){
+            $sLefttLen .= 'Executive editor: '.$aSearch['{{executive_editor}}'];
+        }
+        if(!empty($aSearch['{{received_date}}'])){
+            $sLefttLen .= 'Received: '.$aSearch['{{received_date}}'].'; ';
+        }
+        if(!empty($aSearch['{{revision_date}}'])){
+            $sLefttLen .= 'Revised: '.$aSearch['{{revision_date}}'].'; ';
+        }
+        if(!empty($aSearch['{{accepted_date}}'])){
+            $sLefttLen .= 'Accepted:'.$aSearch['{{accepted_date}}'].'; ';
+        }
+        if(!empty($aSearch['{{pub_date}}'])){
+            $sLefttLen .= 'Available online: '.$aSearch['{{pub_date}}'];
+        }
+        $sLefttLen .= date('Y').' By Author(s). Published by TMR Publishing Group Limited. This is an open access article under the CC-BY license. (https://creativecommons.org/licenses/by/4.0/)';
+        $iLeftLen = mb_strlen($sLefttLen, 'UTF-8');
+
+        //统计总字数
+        $iTotalLen = $iLeftLen + $iRightLen;
+
+        $iLeftRatio = $iRightRatio = 0.5;
+        if($iTotalLen > 0) {
+            $iLeftRatio = round($iLeftLen / $iTotalLen,2);
+        }
+        if(intval($iLeftRatio*100) > 50){
+            $iLeftRatio = 0.5;
+        }
+        if(intval($iLeftRatio*100) < 36){
+            $iLeftRatio = 0.36;
+        }
+        return ['left_ratio' => $iLeftRatio];
+    }
+    /**
+     * 图片宽度比例 → 等效英文字符数
+     * @param float $fImgRatio 图片宽度占\textwidth的比例（如0.5=0.5\textwidth）
+     * @param float $fTextWidthEm 页面\textwidth的em宽度（英文期刊默认36em）
+     * @return int 英文字符数
+     */
+    function imgRatioToCharCount($fImgRatio = 0.6, $fTextWidthEm = 36) {
+        if ($fImgRatio <= 0 || !is_numeric($fImgRatio)) {
+            return 0;
+        }
+        //计算图片宽度（em）
+        $fImgWidthEm = $fImgRatio * $fTextWidthEm;
+        //折算为英文字符数（1em=2个英文字符）
+        $iImgCharCount = round($fImgWidthEm * 2);
+        return max($iImgCharCount, 0);
+    }
 }
 ?>
\ No newline at end of file