diff --git a/jeecg-boot-platform/jeecg-boot-module-bpm-flowable/src/main/java/org/jeecg/modules/extbpm/process/common/expression/FlowNodeExpression.java b/jeecg-boot-platform/jeecg-boot-module-bpm-flowable/src/main/java/org/jeecg/modules/extbpm/process/common/expression/FlowNodeExpression.java
index 998d42a..fce908a 100644
--- a/jeecg-boot-platform/jeecg-boot-module-bpm-flowable/src/main/java/org/jeecg/modules/extbpm/process/common/expression/FlowNodeExpression.java
+++ b/jeecg-boot-platform/jeecg-boot-module-bpm-flowable/src/main/java/org/jeecg/modules/extbpm/process/common/expression/FlowNodeExpression.java
@@ -262,6 +262,20 @@ public class FlowNodeExpression {
         return ISysBaseAPI.getUsersListByJsonLocalAPI(json, "deptId", roleId);
     }
 
+    /**
+     * Get username list by system role id without department filtering.
+     * Example: ${flowNodeExpression.getUsersListByRole('roleIdValue')}
+     *
+     * @param roleId system role id
+     * @return username list
+     */
+    public List<String> getUsersListByRole(String roleId) {
+        if (StringUtils.isBlank(roleId)) {
+            return Collections.emptyList();
+        }
+        return sysbase.getUserByRoleIdLocalApi(roleId);
+    }
+
     /**
      * Get subprocess variable.
      * Example: ${flowNodeExpression.getSonProcessVariable(execution, 'subApproveUser')}