diff --git a/src/views/dock/DockDemo.vue b/src/views/dock/DockDemo.vue
index 2dc0aa9e2..ae333e25e 100644
--- a/src/views/dock/DockDemo.vue
+++ b/src/views/dock/DockDemo.vue
@@ -12,7 +12,7 @@
             <Toast position="top-center" group="tc" />
 
             <h5>Basic</h5>
-            <div className="dock-window">
+            <div class="dock-window">
                 <Dock :model="dockBasicItems" position="bottom"/>
                 <Dock :model="dockBasicItems" position="top"/>
                 <Dock :model="dockBasicItems" position="left"/>
diff --git a/src/views/dock/DockDoc.vue b/src/views/dock/DockDoc.vue
index 257c9b557..af48ff3ef 100644
--- a/src/views/dock/DockDoc.vue
+++ b/src/views/dock/DockDoc.vue
@@ -152,7 +152,7 @@ export default {
             <Toast position="top-center" group="tc" />
 
             <h5>Basic</h5>
-            <div className="dock-window">
+            <div class="dock-window">
                 <Dock :model="dockBasicItems" position="bottom"/>
                 <Dock :model="dockBasicItems" position="top"/>
                 <Dock :model="dockBasicItems" position="left"/>
@@ -535,7 +535,7 @@ export default {
             <Toast position="top-center" group="tc" />
 
             <h5>Basic</h5>
-            <div className="dock-window">
+            <div class="dock-window">
                 <Dock :model="dockBasicItems" position="bottom"/>
                 <Dock :model="dockBasicItems" position="top"/>
                 <Dock :model="dockBasicItems" position="left"/>