diff --git a/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/runner/MasterBaseTaskExecThread.java b/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/runner/MasterBaseTaskExecThread.java
index a6bea49106..f675493bf3 100644
--- a/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/runner/MasterBaseTaskExecThread.java
+++ b/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/runner/MasterBaseTaskExecThread.java
@@ -20,6 +20,7 @@ import org.apache.dolphinscheduler.common.enums.ExecutionStatus;
 import org.apache.dolphinscheduler.common.utils.FileUtils;
 import org.apache.dolphinscheduler.common.utils.StringUtils;
 import org.apache.dolphinscheduler.dao.AlertDao;
+import org.apache.dolphinscheduler.dao.entity.ProcessDefinition;
 import org.apache.dolphinscheduler.dao.entity.ProcessInstance;
 import org.apache.dolphinscheduler.dao.entity.TaskInstance;
 import org.apache.dolphinscheduler.dao.entity.Tenant;