diff --git a/dolphinscheduler-alert-plugin/dolphinscheduler-alert-script/src/main/java/org/apache/dolphinscheduler/plugin/alert/script/ProcessUtils.java b/dolphinscheduler-alert-plugin/dolphinscheduler-alert-script/src/main/java/org/apache/dolphinscheduler/plugin/alert/script/ProcessUtils.java
index 500c2724cc..d63a350051 100644
--- a/dolphinscheduler-alert-plugin/dolphinscheduler-alert-script/src/main/java/org/apache/dolphinscheduler/plugin/alert/script/ProcessUtils.java
+++ b/dolphinscheduler-alert-plugin/dolphinscheduler-alert-script/src/main/java/org/apache/dolphinscheduler/plugin/alert/script/ProcessUtils.java
@@ -18,7 +18,6 @@
 package org.apache.dolphinscheduler.plugin.alert.script;
 
 import java.io.IOException;
-import java.io.InputStream;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;