diff --git a/dolphinscheduler-service/src/main/java/org/apache/dolphinscheduler/service/expand/CuringGlobalParams.java b/dolphinscheduler-service/src/main/java/org/apache/dolphinscheduler/service/expand/CuringGlobalParams.java
index 9055efd2a2..2ff4e9e7a6 100644
--- a/dolphinscheduler-service/src/main/java/org/apache/dolphinscheduler/service/expand/CuringGlobalParams.java
+++ b/dolphinscheduler-service/src/main/java/org/apache/dolphinscheduler/service/expand/CuringGlobalParams.java
@@ -17,7 +17,9 @@
 
 package org.apache.dolphinscheduler.service.expand;
 
-import lombok.NonNull;
+import static org.apache.dolphinscheduler.plugin.task.api.TaskConstants.PARAMETER_TASK_EXECUTE_PATH;
+import static org.apache.dolphinscheduler.plugin.task.api.TaskConstants.PARAMETER_TASK_INSTANCE_ID;
+
 import org.apache.dolphinscheduler.common.Constants;
 import org.apache.dolphinscheduler.common.enums.CommandType;
 import org.apache.dolphinscheduler.common.utils.DateUtils;
@@ -31,8 +33,6 @@ import org.apache.dolphinscheduler.plugin.task.api.parameters.AbstractParameters
 import org.apache.dolphinscheduler.plugin.task.api.parser.ParamUtils;
 import org.apache.dolphinscheduler.plugin.task.api.utils.MapUtils;
 import org.apache.dolphinscheduler.spi.utils.StringUtils;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Component;
 
 import java.util.Date;
 import java.util.HashMap;
@@ -42,8 +42,10 @@ import java.util.Map;
 import java.util.Set;
 import java.util.stream.Collectors;
 
-import static org.apache.dolphinscheduler.plugin.task.api.TaskConstants.PARAMETER_TASK_EXECUTE_PATH;
-import static org.apache.dolphinscheduler.plugin.task.api.TaskConstants.PARAMETER_TASK_INSTANCE_ID;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import lombok.NonNull;
 
 @Component
 public class CuringGlobalParams implements CuringParamsService {
@@ -139,6 +141,7 @@ public class CuringGlobalParams implements CuringParamsService {
         Map<String, Property> localParams = parameters.getInputLocalParametersMap();
 
         //stream pass params
+        parameters.setVarPool(taskInstance.getVarPool());
         Map<String, Property> varParams = parameters.getVarPoolMap();
 
         if (globalParams.isEmpty() && localParams.isEmpty() && varParams.isEmpty()) {