diff --git a/src/test/java/com/dreamchaser/depository_manage/BarChartTest.java b/src/test/java/com/dreamchaser/depository_manage/BarChartTest.java
index 0a74aa64..48cde89c 100644
--- a/src/test/java/com/dreamchaser/depository_manage/BarChartTest.java
+++ b/src/test/java/com/dreamchaser/depository_manage/BarChartTest.java
@@ -7,6 +7,7 @@ import com.dreamchaser.depository_manage.service.DepositoryService;
 import com.dreamchaser.depository_manage.service.MaterialService;
 import com.dreamchaser.depository_manage.service.MaterialTypeService;
 import com.dreamchaser.depository_manage.utils.DateUtil;
+import com.dreamchaser.depository_manage.utils.ObjectFormatUtil;
 import lombok.Data;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/src/test/java/com/dreamchaser/depository_manage/LineChartTest.java b/src/test/java/com/dreamchaser/depository_manage/LineChartTest.java
index 04ef1410..3cde61fb 100644
--- a/src/test/java/com/dreamchaser/depository_manage/LineChartTest.java
+++ b/src/test/java/com/dreamchaser/depository_manage/LineChartTest.java
@@ -8,6 +8,7 @@ import com.dreamchaser.depository_manage.service.DepositoryService;
 import com.dreamchaser.depository_manage.service.MaterialService;
 import com.dreamchaser.depository_manage.service.MaterialTypeService;
 import com.dreamchaser.depository_manage.utils.DateUtil;
+import com.dreamchaser.depository_manage.utils.ObjectFormatUtil;
 import lombok.Data;
 import org.junit.Test;
 import org.junit.runner.RunWith;