修改人体分诊图拖拽bug

src/components/icss/AddMedicalMultRelation.vue

@@ -161,7 +161,7 @@ import api from '@api/icss.js';
     },
     methods:{
        allowDrop(draggingNode, dropNode, type) {
-        if(draggingNode.data.parentConceptName !== dropNode.data.parentConceptName){
+        if(draggingNode.parent.data.conceptName !== dropNode.parent.data.conceptName){
           return false
         }else{
           return type !== 'inner'