diff --git a/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/delegate/AbstractBpmnTaskAssigneeSelector.java b/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/delegate/AbstractBpmnTaskAssigneeSelector.java
index 1d1fb6c3a..ce5675b49 100644
--- a/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/delegate/AbstractBpmnTaskAssigneeSelector.java
+++ b/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/delegate/AbstractBpmnTaskAssigneeSelector.java
@@ -54,7 +54,7 @@ public abstract class AbstractBpmnTaskAssigneeSelector implements BpmnTaskAssign
                             if (throwException) {
                                 throw t;
                             } else {
-                                return this.invokeService(userTask, execution, scopeDto);
+                                return Collections.emptyList();
                             }
                         }
                     }