diff --git a/internal/db/models/node_task_dao.go b/internal/db/models/node_task_dao.go
index 22e837e9..2a5f0f9f 100644
--- a/internal/db/models/node_task_dao.go
+++ b/internal/db/models/node_task_dao.go
@@ -67,11 +67,12 @@ func (this *NodeTaskDAO) CreateNodeTask(tx *dbs.Tx, role string, clusterId int64
 			"isOk":      0,
 			"error":     "",
 		}, maps.Map{
-			"clusterId": clusterId,
-			"updatedAt": updatedAt,
-			"isDone":    0,
-			"isOk":      0,
-			"error":     "",
+			"clusterId":  clusterId,
+			"updatedAt":  updatedAt,
+			"isDone":     0,
+			"isOk":       0,
+			"error":      "",
+			"isNotified": 0,
 		})
 	return err
 }
@@ -291,6 +292,7 @@ func (this *NodeTaskDAO) FindAllDoingNodeIds(tx *dbs.Tx, role string) ([]int64,
 		Attr("role", role).
 		Gt("nodeId", 0).
 		Attr("isDone", false).
+		Attr("isNotified", 0).
 		FindAll()
 	if err != nil {
 		return nil, err
diff --git a/internal/rpc/services/nameservers/service_ns_node_stream.go b/internal/rpc/services/nameservers/service_ns_node_stream.go
index 07a4e0f8..51ffe605 100644
--- a/internal/rpc/services/nameservers/service_ns_node_stream.go
+++ b/internal/rpc/services/nameservers/service_ns_node_stream.go
@@ -170,6 +170,12 @@ func (this *NSNodeService) NsNodeStream(server pb.NSNodeService_NsNodeStreamServ
 	}
 	nodeLocker.Unlock()
 
+	defer func() {
+		nodeLocker.Lock()
+		delete(requestChanMap, nodeId)
+		nodeLocker.Unlock()
+	}()
+
 	// 发送请求
 	go func() {
 		for {
diff --git a/internal/rpc/services/service_node_stream.go b/internal/rpc/services/service_node_stream.go
index b51ddd88..b86b6e0f 100644
--- a/internal/rpc/services/service_node_stream.go
+++ b/internal/rpc/services/service_node_stream.go
@@ -134,6 +134,12 @@ func (this *NodeService) NodeStream(server pb.NodeService_NodeStreamServer) erro
 	}
 	nodeLocker.Unlock()
 
+	defer func() {
+		nodeLocker.Lock()
+		delete(requestChanMap, nodeId)
+		nodeLocker.Unlock()
+	}()
+
 	// 发送请求
 	go func() {
 		for {