diff --git a/packages/bigscreen/designer/components/Layout.vue b/packages/bigscreen/designer/components/Layout.vue
index fee2b464..b3a5e5b7 100644
--- a/packages/bigscreen/designer/components/Layout.vue
+++ b/packages/bigscreen/designer/components/Layout.vue
@@ -471,7 +471,7 @@
 
       removeImg (index) {
         this.images.splice(index, 1)
-      }, 
+      },
 
       onImageConfirm () {
         if (!this.form.images.length) {
@@ -1003,6 +1003,7 @@
 
   .layout-middle {
     flex: 1;
+    background: #000;
 
     .canvas-wrapper {
       position: relative;
diff --git a/packages/bigscreen/designer/config.js b/packages/bigscreen/designer/config.js
index d2df2642..2ab41f3b 100644
--- a/packages/bigscreen/designer/config.js
+++ b/packages/bigscreen/designer/config.js
@@ -412,7 +412,7 @@ const components = [
           },
           {
             code: 'widget-linechart',
-            type: 'pieChart',
+            type: 'pieChart1',
             label: '饼图',
             title: '饼图',
             icon: 'icontext_box',