diff --git a/internal/db/models/dns/dns_task_dao.go b/internal/db/models/dns/dns_task_dao.go
index b1be0522..4b8b34a8 100644
--- a/internal/db/models/dns/dns_task_dao.go
+++ b/internal/db/models/dns/dns_task_dao.go
@@ -155,6 +155,12 @@ func (this *DNSTaskDAO) DeleteDNSTask(tx *dbs.Tx, taskId int64) error {
 	return err
 }
 
+// DeleteAllDNSTasks 删除所有任务
+func (this *DNSTaskDAO) DeleteAllDNSTasks(tx *dbs.Tx) error {
+	return this.Query(tx).
+		DeleteQuickly()
+}
+
 // UpdateDNSTaskError 设置任务错误
 func (this *DNSTaskDAO) UpdateDNSTaskError(tx *dbs.Tx, taskId int64, err string) error {
 	if taskId <= 0 {
diff --git a/internal/db/models/node_task_dao.go b/internal/db/models/node_task_dao.go
index 41e7b03a..c70c2fb7 100644
--- a/internal/db/models/node_task_dao.go
+++ b/internal/db/models/node_task_dao.go
@@ -233,6 +233,12 @@ func (this *NodeTaskDAO) DeleteNodeTasks(tx *dbs.Tx, role string, nodeId int64)
 	return err
 }
 
+// DeleteAllNodeTasks 删除所有节点相关任务
+func (this *NodeTaskDAO)DeleteAllNodeTasks(tx *dbs.Tx) error {
+	return this.Query(tx).
+		DeleteQuickly()
+}
+
 // FindDoingNodeTasks 查询一个节点的所有任务
 func (this *NodeTaskDAO) FindDoingNodeTasks(tx *dbs.Tx, role string, nodeId int64, version int64) (result []*NodeTask, err error) {
 	if nodeId <= 0 {
diff --git a/internal/rpc/services/service_dns_task.go b/internal/rpc/services/service_dns_task.go
index 4075f495..e25937e5 100644
--- a/internal/rpc/services/service_dns_task.go
+++ b/internal/rpc/services/service_dns_task.go
@@ -117,3 +117,19 @@ func (this *DNSTaskService) DeleteDNSTask(ctx context.Context, req *pb.DeleteDNS
 	}
 	return this.Success()
 }
+
+// DeleteAllDNSTasks 删除所有同步任务
+func (this *DNSTaskService)  DeleteAllDNSTasks(ctx context.Context, req *pb.DeleteAllDNSTasksRequest)  (*pb.RPCSuccess, error) {
+	_, err := this.ValidateAdmin(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	var tx = this.NullTx()
+	err = dns.SharedDNSTaskDAO.DeleteAllDNSTasks(tx)
+	if err != nil {
+		return nil, err
+	}
+
+	return this.Success()
+}
\ No newline at end of file
diff --git a/internal/rpc/services/service_node_task.go b/internal/rpc/services/service_node_task.go
index 63f015b2..5651fb78 100644
--- a/internal/rpc/services/service_node_task.go
+++ b/internal/rpc/services/service_node_task.go
@@ -216,6 +216,22 @@ func (this *NodeTaskService) DeleteNodeTasks(ctx context.Context, req *pb.Delete
 	return this.Success()
 }
 
+// DeleteAllNodeTasks 删除所有任务
+func (this *NodeTaskService) DeleteAllNodeTasks(ctx context.Context, req *pb.DeleteAllNodeTasksRequest) (*pb.RPCSuccess, error) {
+	_, err := this.ValidateAdmin(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	var tx = this.NullTx()
+	err = models.SharedNodeTaskDAO.DeleteAllNodeTasks(tx)
+	if err != nil {
+		return nil, err
+	}
+
+	return this.Success()
+}
+
 // CountDoingNodeTasks 计算正在执行的任务数量
 func (this *NodeTaskService) CountDoingNodeTasks(ctx context.Context, req *pb.CountDoingNodeTasksRequest) (*pb.RPCCountResponse, error) {
 	_, err := this.ValidateAdmin(ctx)