diff --git a/java/test/main/java/com/huawei/omniruntime/flink/utils/JsonConverterTest.java b/java/test/main/java/com/huawei/omniruntime/flink/utils/JsonConverterTest.java
index 25b4e667c35c499451bd0169c8176b79af1d5859..dc269ba767d9c6c151849ea4900062937ed9e672 100644
--- a/java/test/main/java/com/huawei/omniruntime/flink/utils/JsonConverterTest.java
+++ b/java/test/main/java/com/huawei/omniruntime/flink/utils/JsonConverterTest.java
@@ -28,6 +28,7 @@ public class JsonConverterTest {
     }
 
 
+
     @BeforeEach
     void setUp() {
         int[][] data = {{1, 1}, {1, 2}, {2, 1}, {2, 2}};