diff --git a/app/src/protyle/export/index.ts b/app/src/protyle/export/index.ts
index b0d301d97..92e4d6de4 100644
--- a/app/src/protyle/export/index.ts
+++ b/app/src/protyle/export/index.ts
@@ -623,6 +623,7 @@ id="preview">${data.data.content}</div>
         appearance: { mode: ${mode}, codeBlockThemeDark: "${window.siyuan.config.appearance.codeBlockThemeDark}", codeBlockThemeLight: "${window.siyuan.config.appearance.codeBlockThemeLight}" },
         editor: { 
           codeLineWrap: true,
+          fontSize: ${window.siyuan.config.editor.fontSize},
           codeLigatures: ${window.siyuan.config.editor.codeLigatures},
           plantUMLServePath: "${window.siyuan.config.editor.plantUMLServePath}",
           codeSyntaxHighlightLineNum: ${window.siyuan.config.editor.codeSyntaxHighlightLineNum},