diff --git a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/behavior/CustomServiceTaskDelegateExpressionActivityBehavior.java b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/behavior/CustomServiceTaskDelegateExpressionActivityBehavior.java
index 96f01cfaf..a2c26ba4b 100644
--- a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/behavior/CustomServiceTaskDelegateExpressionActivityBehavior.java
+++ b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/behavior/CustomServiceTaskDelegateExpressionActivityBehavior.java
@@ -90,7 +90,7 @@ public class CustomServiceTaskDelegateExpressionActivityBehavior extends Service
             eventDispatcher.dispatchEvent(new ExtTaskInstUpdateEvent(execution.getProcessInstanceId(),
                     execution.getCurrentActivityId(), serviceTask.getId(), APPROVED),
                 processEngineConfiguration.getEngineCfgKey());
-            TaskHelper.deleteTask(serviceTask, "", false, false, false);
+            TaskHelper.deleteTask(serviceTask, "complete carbon", false, true, true);
         } else {
             log.warn("ServiceTask is null, executionId: {}, activityId: {}", execution.getId(),
                 execution.getCurrentActivityId());
diff --git a/workflow-engine-server/src/main/java/cn/axzo/workflow/server/WorkflowEnginApplication.java b/workflow-engine-server/src/main/java/cn/axzo/workflow/server/WorkflowEngineApplication.java
similarity index 88%
rename from workflow-engine-server/src/main/java/cn/axzo/workflow/server/WorkflowEnginApplication.java
rename to workflow-engine-server/src/main/java/cn/axzo/workflow/server/WorkflowEngineApplication.java
index 1e1d7729a..a05fdf236 100644
--- a/workflow-engine-server/src/main/java/cn/axzo/workflow/server/WorkflowEnginApplication.java
+++ b/workflow-engine-server/src/main/java/cn/axzo/workflow/server/WorkflowEngineApplication.java
@@ -16,9 +16,9 @@ import org.springframework.transaction.annotation.EnableTransactionManagement;
 @SpringBootApplication(exclude = RabbitAutoConfiguration.class)
 @EnableTransactionManagement
 @EnableCaching
-public class WorkflowEnginApplication {
+public class WorkflowEngineApplication {
 
     public static void main(String[] args) {
-        SpringApplication.run(WorkflowEnginApplication.class, args);
+        SpringApplication.run(WorkflowEngineApplication.class, args);
     }
 }