diff --git a/bkmonitor/webpack/src/monitor-ui/chart-plugins/plugins/apm-relation-graph/components/apm-relation-graph-content.scss b/bkmonitor/webpack/src/monitor-ui/chart-plugins/plugins/apm-relation-graph/components/apm-relation-graph-content.scss
index e3c3c2e84..b4d0f5dc9 100644
--- a/bkmonitor/webpack/src/monitor-ui/chart-plugins/plugins/apm-relation-graph/components/apm-relation-graph-content.scss
+++ b/bkmonitor/webpack/src/monitor-ui/chart-plugins/plugins/apm-relation-graph/components/apm-relation-graph-content.scss
@@ -79,15 +79,13 @@
       }
     }
 
+    .side-overview,
     .side-topo {
+      height: 100%;
+
       .content-wrap {
         height: calc(100% - 52px);
       }
-    }
-
-    .side-overview,
-    .side-topo {
-      height: 100%;
 
       &.no-border {
         border-left: none;