diff --git a/platform-core/api/api.go b/platform-core/api/api.go
index 3c52e1b282..70ecc4310e 100644
--- a/platform-core/api/api.go
+++ b/platform-core/api/api.go
@@ -164,6 +164,7 @@ func init() {
 		&handlerFuncObj{Url: "/process/definitions/collect/add", Method: "POST", HandlerFunc: process.AddProcDefCollect, ApiCode: "add-proc-collect"},
 		&handlerFuncObj{Url: "/process/definitions/collect/del", Method: "POST", HandlerFunc: process.DelProcDefCollect, ApiCode: "del-proc-collect"},
 		&handlerFuncObj{Url: "/process/definitions/sub/list", Method: "POST", HandlerFunc: process.SubProcDefList, ApiCode: "sub-proc-list"},
+		&handlerFuncObj{Url: "/process/definitions/nodes/empty-query", Method: "GET", HandlerFunc: process.QueryEmptyNodes, ApiCode: "query-empty-node"},
 		// process runtime
 		&handlerFuncObj{Url: "/process/definitions", Method: "GET", HandlerFunc: process.ProcDefList, ApiCode: "list-process-def"},
 
diff --git a/platform-core/api/v1/process/manage.go b/platform-core/api/v1/process/manage.go
index 9d25bec238..35b2b74c5a 100644
--- a/platform-core/api/v1/process/manage.go
+++ b/platform-core/api/v1/process/manage.go
@@ -1734,3 +1734,31 @@ func DelProcDefCollect(c *gin.Context) {
 		middleware.ReturnSuccess(c)
 	}
 }
+
+func QueryEmptyNodes(c *gin.Context) {
+	var nodeIds, result []string
+	var err error
+	var procDefNodes []*models.ProcDefNode
+	processSessionId := c.Query("processSessionId")
+	procDefId := c.Query("procDefId")
+	if strings.TrimSpace(processSessionId) == "" || strings.TrimSpace(procDefId) == "" {
+		middleware.ReturnError(c, exterror.Catch(exterror.New().RequestParamValidateError, fmt.Errorf("processSessionId or procDefId empty")))
+		return
+	}
+	if procDefNodes, err = database.GetProcDefNodeById(c, procDefId); err != nil {
+		middleware.ReturnError(c, err)
+		return
+	}
+	if nodeIds, err = database.GetProcDefNodeIdsBySessionId(c, processSessionId); err != nil {
+		middleware.ReturnError(c, err)
+		return
+	}
+	for _, node := range procDefNodes {
+		if node.NodeType == string(models.ProcDefNodeTypeAutomatic) || node.NodeType == string(models.ProcDefNodeSubProcess) || node.NodeType == string(models.ProcDefNodeTypeData) {
+			if !tools.Contains(nodeIds, node.Id) {
+				result = append(result, node.Name)
+			}
+		}
+	}
+	middleware.ReturnData(c, result)
+}
diff --git a/platform-core/common/tools/utils.go b/platform-core/common/tools/utils.go
index 57731175f7..a9cf1e818a 100644
--- a/platform-core/common/tools/utils.go
+++ b/platform-core/common/tools/utils.go
@@ -131,3 +131,13 @@ func RSADecrypt(inputString, rsaPemContent string) (string, error) {
 	result = string(decodeBytes)
 	return result, nil
 }
+
+func Contains(ids []string, id string) bool {
+	var exist = false
+	for _, item := range ids {
+		if item == id {
+			exist = true
+		}
+	}
+	return exist
+}
diff --git a/platform-core/services/database/process-exec.go b/platform-core/services/database/process-exec.go
index 3b996810b9..24c79ea2ad 100644
--- a/platform-core/services/database/process-exec.go
+++ b/platform-core/services/database/process-exec.go
@@ -266,6 +266,11 @@ func CreateProcPreview(ctx context.Context, previewRows []*models.ProcDataPrevie
 	return
 }
 
+func GetProcDefNodeIdsBySessionId(ctx context.Context, sessionId string) (result []string, err error) {
+	err = db.MysqlEngine.Context(ctx).SQL("select proc_def_node_id from proc_data_preview where proc_session_id=?", sessionId).Find(&result)
+	return
+}
+
 func ProcInsTaskNodeBindings(ctx context.Context, sessionId, taskNodeId string) (result []*models.TaskNodeBindingObj, err error) {
 	var previewRows []*models.ProcDataPreview
 	nodeBindDataMap := make(map[string][]*models.ProcDataBinding)
diff --git a/wecube-portal/src/pages/login.vue b/wecube-portal/src/pages/login.vue
index 426141dd85..d6f7e37bec 100644
--- a/wecube-portal/src/pages/login.vue
+++ b/wecube-portal/src/pages/login.vue
@@ -58,7 +58,7 @@ export default {
   data() {
     return {
       username: '',
-      password: '',
+      ***REMOVED***
       encryptKey: '',
       loading: false,
       showRoleApply: false,