diff --git a/public/assets/kindeditor/plugins/code/previewcode.css b/public/assets/kindeditor/plugins/code/previewcode.css
index 5fcdebe92..8255edda1 100644
--- a/public/assets/kindeditor/plugins/code/previewcode.css
+++ b/public/assets/kindeditor/plugins/code/previewcode.css
@@ -36,7 +36,7 @@
     /*margin: 0 0 15px 0;*/
     /*margin-bottom:15pt;*/
     line-height:1.5;
-    letter-spacing: 1px;
+    /*letter-spacing: 1px;*/
 }
 
 .ke-content div.ref {border:1px solid #ddd;margin:0 0 10px 0;padding:2px;font-size:9pt;background:#ffe;}