diff --git a/src/test/java/com/alibaba/easyexcel/test/core/dataformat/DateFormatTest.java b/src/test/java/com/alibaba/easyexcel/test/core/dataformat/DateFormatTest.java
index f1de5428..d0c308aa 100644
--- a/src/test/java/com/alibaba/easyexcel/test/core/dataformat/DateFormatTest.java
+++ b/src/test/java/com/alibaba/easyexcel/test/core/dataformat/DateFormatTest.java
@@ -4,17 +4,16 @@ import java.io.File;
 import java.util.List;
 import java.util.Locale;
 
+import com.alibaba.easyexcel.test.util.TestFileUtil;
+import com.alibaba.excel.EasyExcel;
+
 import org.junit.Assert;
 import org.junit.BeforeClass;
 import org.junit.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.alibaba.easyexcel.test.util.TestFileUtil;
-import com.alibaba.excel.EasyExcel;
-
 /**
- *
  * @author Jiaju Zhuang
  */
 public class DateFormatTest {
@@ -44,6 +43,14 @@ public class DateFormatTest {
     private void readCn(File file) {
         List<DateFormatData> list =
             EasyExcel.read(file, DateFormatData.class, null).locale(Locale.CHINA).sheet().doReadSync();
+        for (DateFormatData data : list) {
+            if (data.getDateStringCn() != null && !data.getDateStringCn().equals(data.getDate())) {
+                LOGGER.info("date:cn:{},{}", data.getDateStringCn(), data.getDate());
+            }
+            if (data.getNumberStringCn() != null && !data.getNumberStringCn().equals(data.getNumber())) {
+                LOGGER.info("number:cn{},{}", data.getNumberStringCn(), data.getNumber());
+            }
+        }
         for (DateFormatData data : list) {
             Assert.assertEquals(data.getDateStringCn(), data.getDate());
             Assert.assertEquals(data.getNumberStringCn(), data.getNumber());
@@ -53,6 +60,14 @@ public class DateFormatTest {
     private void readUs(File file) {
         List<DateFormatData> list =
             EasyExcel.read(file, DateFormatData.class, null).locale(Locale.US).sheet().doReadSync();
+        for (DateFormatData data : list) {
+            if (data.getDateStringUs() != null && !data.getDateStringUs().equals(data.getDate())) {
+                LOGGER.info("date:us:{},{}", data.getDateStringUs(), data.getDate());
+            }
+            if (data.getNumberStringUs() != null && !data.getNumberStringUs().equals(data.getNumber())) {
+                LOGGER.info("number:us{},{}", data.getNumberStringUs(), data.getNumber());
+            }
+        }
         for (DateFormatData data : list) {
             Assert.assertEquals(data.getDateStringUs(), data.getDate());
             Assert.assertEquals(data.getNumberStringUs(), data.getNumber());
diff --git a/src/test/resources/dataformat/dataformat.xls b/src/test/resources/dataformat/dataformat.xls
index 632cb1ec..ebd98d13 100644
Binary files a/src/test/resources/dataformat/dataformat.xls and b/src/test/resources/dataformat/dataformat.xls differ
diff --git a/src/test/resources/dataformat/dataformat.xlsx b/src/test/resources/dataformat/dataformat.xlsx
index 9f41f274..4756e549 100644
Binary files a/src/test/resources/dataformat/dataformat.xlsx and b/src/test/resources/dataformat/dataformat.xlsx differ