diff --git a/app/admin/view/config/index.html b/app/admin/view/config/index.html
index c1262e6f0..9917d3851 100644
--- a/app/admin/view/config/index.html
+++ b/app/admin/view/config/index.html
@@ -6,7 +6,7 @@
 <!--{/if}-->
 
 <!--{if auth('system')}-->
-<a class="layui-btn layui-btn-sm layui-btn-primary" data-width="840px" data-modal="{:url('system')}">修改系统参数</a>
+<a class="layui-btn layui-btn-sm layui-btn-primary" data-modal="{:url('system')}">修改系统参数</a>
 <!--{/if}-->
 {/block}