diff --git a/frontend/src/views/system/relationship/consanguinity.vue b/frontend/src/views/system/relationship/consanguinity.vue
index 7d83ab73cd..4f5d40d08b 100644
--- a/frontend/src/views/system/relationship/consanguinity.vue
+++ b/frontend/src/views/system/relationship/consanguinity.vue
@@ -339,6 +339,7 @@ export default {
       return [list, gap]
     },
     initEchart(clickNode = []) {
+      if (!this.treeData.length) return
       if (this.myChart) {
         this.myChart.dispose()
         this.myChart = null