房屋关系为空处理

src/views/modules/portrayal/house/cpts/graph.vue

@@ -61,7 +61,7 @@ export default {
             let url = `/actual/base/peopleRoomOverview/getFamilyRelationshipListByHouseId?type=0&houseId=` + this.houseInfo.id;
             let { code, data, msg } = await requestPost(url)
             if (code == 0) {
-                
+                if(!data)data = []
                 // 将房屋本身的信息放到数组元素的第一个
                 const rootNode = {};
                 rootNode["id"] = this.houseInfo.id;