diff --git a/docs/laydate/examples/theme.md b/docs/laydate/examples/theme.md
index ed1a5a23..eca79665 100644
--- a/docs/laydate/examples/theme.md
+++ b/docs/laydate/examples/theme.md
@@ -58,7 +58,7 @@ layui.use(function(){
 
   // 圆圈高亮主题
   laydate.render({
-    elem: 'ID-laydate-theme-circle',
+    elem: '#ID-laydate-theme-circle',
     theme: 'circle' // 2.8+新增主题
   });