diff --git a/mode/core/src/test/java/org/apache/shardingsphere/mode/processor/AlgorithmChangedProcessorTest.java b/mode/core/src/test/java/org/apache/shardingsphere/mode/processor/AlgorithmChangedProcessorTest.java
index b1ee13754799b..cbbe1fe245e80 100644
--- a/mode/core/src/test/java/org/apache/shardingsphere/mode/processor/AlgorithmChangedProcessorTest.java
+++ b/mode/core/src/test/java/org/apache/shardingsphere/mode/processor/AlgorithmChangedProcessorTest.java
@@ -48,7 +48,8 @@ class AlgorithmChangedProcessorTest {
     
     @Test
     void assertSwapRuleItemConfiguration() {
-        AlgorithmConfiguration actual = processor.swapRuleItemConfiguration(new AlterNamedRuleItemEvent("", "foo", "", "", ""), createYAMLContent());
+        AlterNamedRuleItemEvent event = new AlterNamedRuleItemEvent("", "foo", "", "", "");
+        AlgorithmConfiguration actual = processor.swapRuleItemConfiguration(event, createYAMLContent());
         assertThat(actual, deepEqual(new AlgorithmConfiguration("foo_algo", new Properties())));
     }