diff --git a/dag.html b/dag.html
index 13f269d8..31d21f19 100644
--- a/dag.html
+++ b/dag.html
@@ -285,7 +285,16 @@
option = {
tooltip: {
trigger: 'item',
- triggerOn: 'mousemove'
+ triggerOn: 'mousemove',
+ formatter: "{b}",
+ backgroundColor: '#F6F8FC',
+ borderColor: '#8C8D8E',
+ borderWidth: 1,
+ padding: [3, 3, 3, 3],
+ textStyle: {
+ color: '#4C5058',
+ fontSize: 18
+ }
},
series: [
{