diff --git a/dolphinscheduler-server/src/test/java/org/apache/dolphinscheduler/server/master/ParamsTest.java b/dolphinscheduler-server/src/test/java/org/apache/dolphinscheduler/server/master/ParamsTest.java
index 66d21de767..48b34d5f88 100644
--- a/dolphinscheduler-server/src/test/java/org/apache/dolphinscheduler/server/master/ParamsTest.java
+++ b/dolphinscheduler-server/src/test/java/org/apache/dolphinscheduler/server/master/ParamsTest.java
@@ -23,7 +23,8 @@ import org.apache.dolphinscheduler.common.process.Property;
 import org.apache.dolphinscheduler.common.utils.ParameterUtils;
 import org.apache.dolphinscheduler.common.utils.placeholder.BusinessTimeUtils;
 import org.apache.dolphinscheduler.server.utils.ParamUtils;
-import com.alibaba.fastjson.JSON;
+import org.apache.dolphinscheduler.common.utils.*;
+
 import org.junit.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;