diff --git a/src/components/charts/G2/components/Pie/base.vue b/src/components/charts/G2/components/Pie/base.vue
index 46948683..b9ee8e52 100644
--- a/src/components/charts/G2/components/Pie/base.vue
+++ b/src/components/charts/G2/components/Pie/base.vue
@@ -34,13 +34,16 @@ export default {
           formatter: val => (val * 100).toFixed(2) + '%'
         }
       })
+      // 设置坐标系
       this.chart.coord('theta', {
-        radius: 0.75
+        radius: 0.7
       })
+      // tooltip 设置
       this.chart.tooltip({
         showTitle: false,
         itemTpl: '<li><span style="background-color:{color}" class="g2-tooltip-marker"></span>{name}: {value}</li>'
       })
+      // 创建图形
       this.chart.intervalStack()
         .position('percent')
         .color('item')
diff --git a/src/pages/demo/chart/index/index.vue b/src/pages/demo/chart/index/index.vue
index 9bc44d73..94514092 100644
--- a/src/pages/demo/chart/index/index.vue
+++ b/src/pages/demo/chart/index/index.vue
@@ -84,7 +84,7 @@ export default {
           api: {url: '/api/chart/G2Pie', data: {type: 'base'}},
           refName: 'G2PieBase',
           data: [],
-          padding: [30, 40, 50, 50]
+          padding: [30, 30, 30, 30]
         }
       ],
       layout: {