diff --git a/src/css/modules/code.css b/src/css/modules/code.css
index 03c92894..2b192a48 100644
--- a/src/css/modules/code.css
+++ b/src/css/modules/code.css
@@ -48,8 +48,7 @@ html #layuicss-skincodecss{display: none; position: absolute; width: 1989px;}
 .layui-code-preview > .layui-code,
 .layui-code-preview > .layui-code-view{margin: 0;}
 .layui-code-preview > .layui-tab{position: relative; z-index: 1; margin-bottom: 0;}
-.layui-code-preview > .layui-tab > .layui-tab-title{border-width: 0;}
-.layui-code-preview .layui-code-item{display: none;}
+.layui-code-preview .layui-code-item{display: none; border-top-width: 0;}
 .layui-code-preview .layui-code-view > .layui-code-lines > .layui-code-line{}
 .layui-code-item-preview{position: relative; padding: 16px;}
 .layui-code-item-preview > iframe{position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none;}
@@ -62,7 +61,7 @@ html #layuicss-skincodecss{display: none; position: absolute; width: 1989px;}
 
 /* 全屏风格  */
 .layui-code-full{position: fixed; left: 0; top: 0; z-index: 1111111; width: 100%; height: 100%; background-color: #fff;}
-.layui-code-full .layui-code-item{width: 100% !important; border-width: 0 !important; border-top-width: 1px !important;}
+.layui-code-full .layui-code-item{width: 100% !important; border-width: 0 !important;}
 .layui-code-full .layui-code-item,
 .layui-code-full .layui-code-view,
 .layui-code-full .layui-code-wrap{height: calc(100vh - 51px) !important; box-sizing: border-box;}