diff --git a/demo/README.md b/demo/README.md
index 57a1a7d..3e5d7ce 100644
--- a/demo/README.md
+++ b/demo/README.md
@@ -32,16 +32,16 @@ Demo 允许以单个 HTML 页面存在,也可以以目录的形式存在。
-
+
diff --git a/demo/_sample.html b/demo/_sample.html
index 5cee565..d0b7cad 100644
--- a/demo/_sample.html
+++ b/demo/_sample.html
@@ -16,16 +16,16 @@
-
+
diff --git a/demo/chinamap/index.html b/demo/chinamap/index.html
index b193a49..65552cd 100644
--- a/demo/chinamap/index.html
+++ b/demo/chinamap/index.html
@@ -16,10 +16,10 @@
-
+