diff --git a/view/document/drawer.html b/view/document/drawer.html
index ad8883220382e67b72e4d3971d7a730aced32e08..591e23bbc4539b0caac6babba9eb47a60607a9d1 100644
--- a/view/document/drawer.html
+++ b/view/document/drawer.html
@@ -179,7 +179,7 @@
 								margin-top: 20px;
 								display: flex;
 								justify-content: space-around;
-								align-items: center"">
+								align-items: center">
 								<button id="targetDemo" class="pear-btn pear-btn-success">指定容器内打开</button>
 						</div>
 					</div>