diff --git a/rill-flow-dag/olympicene-traversal/src/main/java/com/weibo/rill/flow/olympicene/traversal/runners/FunctionTaskRunner.java b/rill-flow-dag/olympicene-traversal/src/main/java/com/weibo/rill/flow/olympicene/traversal/runners/FunctionTaskRunner.java
index 8ca565044..95e2aa695 100644
--- a/rill-flow-dag/olympicene-traversal/src/main/java/com/weibo/rill/flow/olympicene/traversal/runners/FunctionTaskRunner.java
+++ b/rill-flow-dag/olympicene-traversal/src/main/java/com/weibo/rill/flow/olympicene/traversal/runners/FunctionTaskRunner.java
@@ -22,30 +22,29 @@
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Maps;
 import com.google.common.collect.Sets;
-import com.weibo.rill.flow.olympicene.core.lock.LockerKey;
-import com.weibo.rill.flow.interfaces.model.strategy.DispatchInfo;
-import com.weibo.rill.flow.olympicene.core.model.NotifyInfo;
 import com.weibo.rill.flow.interfaces.model.mapping.Mapping;
+import com.weibo.rill.flow.interfaces.model.strategy.DispatchInfo;
 import com.weibo.rill.flow.interfaces.model.strategy.Retry;
+import com.weibo.rill.flow.interfaces.model.task.*;
+import com.weibo.rill.flow.olympicene.core.lock.LockerKey;
+import com.weibo.rill.flow.olympicene.core.model.NotifyInfo;
 import com.weibo.rill.flow.olympicene.core.model.strategy.RetryContext;
-import com.weibo.rill.flow.olympicene.traversal.strategy.RetryPolicy;
-import com.weibo.rill.flow.olympicene.traversal.strategy.SimpleRetryPolicy;
-import com.weibo.rill.flow.interfaces.model.task.FunctionPattern;
-import com.weibo.rill.flow.interfaces.model.task.FunctionTask;
+import com.weibo.rill.flow.olympicene.core.model.task.ExecutionResult;
 import com.weibo.rill.flow.olympicene.core.model.task.TaskCategory;
 import com.weibo.rill.flow.olympicene.core.runtime.DAGContextStorage;
 import com.weibo.rill.flow.olympicene.core.runtime.DAGInfoStorage;
 import com.weibo.rill.flow.olympicene.core.runtime.DAGStorageProcedure;
 import com.weibo.rill.flow.olympicene.core.switcher.SwitcherManager;
-import com.weibo.rill.flow.olympicene.traversal.utils.ConditionsUtil;
+import com.weibo.rill.flow.olympicene.ddl.serialize.ObjectMapperFactory;
 import com.weibo.rill.flow.olympicene.traversal.constant.TraversalErrorCode;
 import com.weibo.rill.flow.olympicene.traversal.dispatcher.DAGDispatcher;
 import com.weibo.rill.flow.olympicene.traversal.exception.DAGTraversalException;
 import com.weibo.rill.flow.olympicene.traversal.helper.ContextHelper;
-import com.weibo.rill.flow.olympicene.core.model.task.ExecutionResult;
 import com.weibo.rill.flow.olympicene.traversal.mappings.InputOutputMapping;
 import com.weibo.rill.flow.olympicene.traversal.serialize.DAGTraversalSerializer;
-import com.weibo.rill.flow.interfaces.model.task.*;
+import com.weibo.rill.flow.olympicene.traversal.strategy.RetryPolicy;
+import com.weibo.rill.flow.olympicene.traversal.strategy.SimpleRetryPolicy;
+import com.weibo.rill.flow.olympicene.traversal.utils.ConditionsUtil;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.collections.MapUtils;
@@ -295,6 +294,7 @@ public ExecutionResult finish(String executionId, NotifyInfo notifyInfo, Map<Str
 
             FunctionTask functionTask = (FunctionTask) taskInfo.getTask();
             notifyInfo.setTaskStatus(taskTypeStatus(output, functionTask, notifyInfo.getTaskStatus()));
+            setOutputIntoTaskInvokeMsg(notifyInfo, output);
             Function<TaskStatus, Boolean> needUpdateContext = t -> !t.isFailed()
                     || CollectionUtils.isNotEmpty(functionTask.getSuccessConditions())
                     || CollectionUtils.isNotEmpty(functionTask.getFailConditions());
@@ -304,6 +304,19 @@ public ExecutionResult finish(String executionId, NotifyInfo notifyInfo, Map<Str
         return executionRef.get();
     }
 
+    private void setOutputIntoTaskInvokeMsg(NotifyInfo notifyInfo, Map<String, Object> output) {
+        if (!switcherManager.getSwitcherState("ENABLE_SET_INPUT_OUTPUT")) {
+            return;
+        }
+        TaskInvokeMsg taskInvokeMsg = notifyInfo.getTaskInvokeMsg();
+        if (taskInvokeMsg == null) {
+            taskInvokeMsg = buildInvokeMsg(ObjectMapperFactory.getJSONMapper().convertValue(output, JsonNode.class));
+        } else {
+            taskInvokeMsg.setOutput(output);
+        }
+        notifyInfo.setTaskInvokeMsg(taskInvokeMsg);
+    }
+
     private ExecutionResult executionCallback(String executionId, TaskInfo taskInfo, NotifyInfo notifyInfo,
                                               Map<String, Object> output, Function<TaskStatus, Boolean> needUpdateContext) {
         RetryContext retryContext = RetryContext.builder().retryConfig(((FunctionTask) taskInfo.getTask()).getRetry())
diff --git a/rill-flow-dag/olympicene-traversal/src/test/groovy/com/weibo/rill/flow/olympicene/traversal/InvokeMsgTest.groovy b/rill-flow-dag/olympicene-traversal/src/test/groovy/com/weibo/rill/flow/olympicene/traversal/InvokeMsgTest.groovy
index a533fe416..2b56121de 100644
--- a/rill-flow-dag/olympicene-traversal/src/test/groovy/com/weibo/rill/flow/olympicene/traversal/InvokeMsgTest.groovy
+++ b/rill-flow-dag/olympicene-traversal/src/test/groovy/com/weibo/rill/flow/olympicene/traversal/InvokeMsgTest.groovy
@@ -32,6 +32,10 @@ class InvokeMsgTest extends Specification {
     SwitcherManager switcherManager = Mock(SwitcherManager.class)
     Olympicene olympicene = OlympiceneFacade.build(dagStorage, dagStorage, callback, dispatcher, dagStorageProcedure, Mock(DefaultTimeChecker.class), switcherManager)
 
+    def setup() {
+        switcherManager.getSwitcherState("ENABLE_SET_INPUT_OUTPUT") >> true
+    }
+
     def "big flow taskInfo and small flow dagInfo and small flow taskInfo invokeMsg"() {
         given:
         String bigFlowYaml = "version: 0.0.1\n" +
@@ -122,7 +126,8 @@ class InvokeMsgTest extends Specification {
                     ((DAGCallbackInfo) event.getData()).getDagInfo().getExecutionId() == "bigFlow" &&
                     ((DAGCallbackInfo) event.getData()).getDagInfo().getDagInvokeMsg().getCode() == "code" &&
                     ((DAGCallbackInfo) event.getData()).getDagInfo().getDagInvokeMsg().getMsg() == "msg" &&
-                    ((DAGCallbackInfo) event.getData()).getDagInfo().getDagInvokeMsg().getExt() == ['ext':'info']
+                    ((DAGCallbackInfo) event.getData()).getDagInfo().getDagInvokeMsg().getExt() == ['ext':'info'] &&
+                    ((DAGCallbackInfo) event.getData()).getDagInfo().getTask("A").getTaskInvokeMsg().getOutput() == ['flow_root_execution_id':'bigFlow', 'segments':['gopUrl']]
         })
     }
 }
diff --git a/rill-flow-dag/olympicene-traversal/src/test/groovy/com/weibo/rill/flow/olympicene/traversal/TimeCheckerTest.groovy b/rill-flow-dag/olympicene-traversal/src/test/groovy/com/weibo/rill/flow/olympicene/traversal/TimeCheckerTest.groovy
index 4eb7e51b9..9d9363b82 100644
--- a/rill-flow-dag/olympicene-traversal/src/test/groovy/com/weibo/rill/flow/olympicene/traversal/TimeCheckerTest.groovy
+++ b/rill-flow-dag/olympicene-traversal/src/test/groovy/com/weibo/rill/flow/olympicene/traversal/TimeCheckerTest.groovy
@@ -37,10 +37,11 @@ class TimeCheckerTest extends Specification {
     DefaultTimeChecker timeChecker = new DefaultTimeChecker()
     Olympicene olympicene
     String executionId = 'executionId'
+    SwitcherManager switcherManager = Mock(SwitcherManager.class)
 
     def setup() {
         timeChecker.redisClient = Mock(RedisClient.class)
-        SwitcherManager switcherManager = Mock(SwitcherManager.class)
+        switcherManager.getSwitcherState("ENABLE_SET_INPUT_OUTPUT") >> true
         olympicene = OlympiceneFacade.build(dagStorage, dagStorage, callback, dispatcher, dagStorageProcedure, timeChecker, switcherManager)
         timeChecker.timeCheckRunner = olympicene.dagOperations.timeCheckRunner
     }
@@ -311,6 +312,7 @@ class TimeCheckerTest extends Specification {
 
     def "dag timeout config value check"() {
         given:
+        switcherManager.getSwitcherState("ENABLE_SET_INPUT_OUTPUT") >> false
         String text = "version: 0.0.1\n" +
                 "namespace: olympicene\n" +
                 "service: mca\n" +