diff --git a/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/runner/WorkflowExecuteThread.java b/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/runner/WorkflowExecuteThread.java
index b9a2082ebc..d6b266f926 100644
--- a/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/runner/WorkflowExecuteThread.java
+++ b/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/runner/WorkflowExecuteThread.java
@@ -20,7 +20,6 @@ package org.apache.dolphinscheduler.server.master.runner;
 import static org.apache.dolphinscheduler.common.Constants.CMDPARAM_COMPLEMENT_DATA_END_DATE;
 import static org.apache.dolphinscheduler.common.Constants.CMDPARAM_COMPLEMENT_DATA_START_DATE;
 import static org.apache.dolphinscheduler.common.Constants.CMD_PARAM_RECOVERY_START_NODE_STRING;
-import static org.apache.dolphinscheduler.common.Constants.CMD_PARAM_RECOVER_PROCESS_ID_STRING;
 import static org.apache.dolphinscheduler.common.Constants.CMD_PARAM_START_NODES;
 import static org.apache.dolphinscheduler.common.Constants.DEFAULT_WORKER_GROUP;
 
@@ -42,7 +41,6 @@ import org.apache.dolphinscheduler.common.model.TaskNode;
 import org.apache.dolphinscheduler.common.model.TaskNodeRelation;
 import org.apache.dolphinscheduler.common.process.ProcessDag;
 import org.apache.dolphinscheduler.common.process.Property;
-import org.apache.dolphinscheduler.common.thread.ThreadUtils;
 import org.apache.dolphinscheduler.common.utils.CollectionUtils;
 import org.apache.dolphinscheduler.common.utils.DateUtils;
 import org.apache.dolphinscheduler.common.utils.JSONUtils;