diff --git a/xm-core/src/main/java/com/xm/core/ctrl/XmTaskController.java b/xm-core/src/main/java/com/xm/core/ctrl/XmTaskController.java
index 7bc62a82..c7b23129 100644
--- a/xm-core/src/main/java/com/xm/core/ctrl/XmTaskController.java
+++ b/xm-core/src/main/java/com/xm/core/ctrl/XmTaskController.java
@@ -1023,12 +1023,8 @@ public class XmTaskController {
 			List<XmTask> canDelNodes=new ArrayList<>();
 			if(noExecuserList.size()>0){
 				for (XmTask node : noExecuserList) {
-					if(node.getChildrenCnt()==null || node.getChildrenCnt()<=0){
-						canDelNodes.add(node);
-						continue;
-					}
-					long childCount=noExecuserList.stream().filter(i->node.getId().equals(i.getParentTaskid())).count();
-					if(childCount>=node.getChildrenCnt()){
+					boolean canDel=this.xmTaskService.checkCanDelAllChild(node,noExecuserList);
+					if(canDel){
 						canDelNodes.add(node);
 					}else{
 						hadChildNodes.add(node);
diff --git a/xm-core/src/main/java/com/xm/core/service/XmTaskService.java b/xm-core/src/main/java/com/xm/core/service/XmTaskService.java
index f3c1cd83..b45fdec9 100644
--- a/xm-core/src/main/java/com/xm/core/service/XmTaskService.java
+++ b/xm-core/src/main/java/com/xm/core/service/XmTaskService.java
@@ -596,5 +596,31 @@ public class XmTaskService extends BaseService {
 		}
 		return true;
 	}
+
+	/**
+	 * 检查是否能删除干净所有儿子孙子节点。
+	 * @param delNode 当前删除节点
+	 * @param delNodes 本批量需要删除的全部节点
+	 * @return
+	 */
+	public boolean checkCanDelAllChild(XmTask delNode, List<XmTask> delNodes) {
+		if(delNode==null){
+			return true;
+		}
+		if(delNode.getChildrenCnt()==null||delNode.getChildrenCnt()<=0){
+			return true;
+		}
+		List<XmTask> childList=delNodes.stream().filter(i->delNode.getId().equals(i.getParentTaskid())).collect(Collectors.toList());
+		if(childList==null||childList.size()<delNode.getChildrenCnt()){
+			return false;
+		}
+		for (XmTask n : childList) {
+			if (!this.checkCanDelAllChild(n, delNodes)) {
+				return false;
+			}
+		}
+		return true;
+
+	}
 }