diff --git a/src/views/dashboard/related/trace/components/D3Graph/SpanDetail.vue b/src/views/dashboard/related/trace/components/D3Graph/SpanDetail.vue
index 6aee1770..5a97909a 100644
--- a/src/views/dashboard/related/trace/components/D3Graph/SpanDetail.vue
+++ b/src/views/dashboard/related/trace/components/D3Graph/SpanDetail.vue
@@ -166,7 +166,7 @@ function showCurrentSpanDetail(text: string) {
 }
 
 .item span {
-  height: 21px;
+  min-height: 21px;
 }
 
 .link-hover {