diff --git a/introduction.md b/introduction.md
index 6d81077262bfc9c11c5f831877ad59ab523618eb..cfa7377509af3f2bfcfd9e0c45b72c5df6f5fe52 100644
--- a/introduction.md
+++ b/introduction.md
@@ -78,7 +78,9 @@ http://127.0.0.1:5011/
 
 ### 2.6. 导入数据
 
-本配置页可以导入获奖数据，文件基于导出模板进行填充。文件上传后保存配置。
+本配置页可以导入获奖数据，Excel文件基于导出模板进行填充，可以先在【2.3. 证书图片配置】导出。文件上传后保存配置。
+
+Excel文件导入数据时，数值和时间可以设置为文本格式，避免有问题。
 
 ![](./images/config_import.png)
 
diff --git a/src/main/java/com/certapp/service/CertificateService.java b/src/main/java/com/certapp/service/CertificateService.java
index e1e864f820337677f4da9b2f3c58925b7c1f65ae..05b7cb25a7022ad0753e186db04fc82fd96c5ea6 100644
--- a/src/main/java/com/certapp/service/CertificateService.java
+++ b/src/main/java/com/certapp/service/CertificateService.java
@@ -37,6 +37,8 @@ import java.util.concurrent.atomic.AtomicInteger;
 import javax.imageio.ImageIO;
 import org.apache.commons.collections4.CollectionUtils;
 import org.apache.commons.lang3.StringUtils;
+import org.apache.poi.ss.usermodel.Cell;
+import org.apache.poi.ss.usermodel.DataFormatter;
 import org.apache.poi.xssf.usermodel.XSSFRow;
 import org.apache.poi.xssf.usermodel.XSSFSheet;
 import org.apache.poi.xssf.usermodel.XSSFWorkbook;
@@ -388,15 +390,15 @@ public class CertificateService {
                     }
                 }
             }
-            if (req.getFields() != null && req.getFields().size()>0) {
+            if (req.getFields() != null && req.getFields().size() > 0) {
                 FiledInfoVo filedInfoVo = req.getFields().get(0);
-                if (filedInfoVo.getShowEnable() == 1 && filedInfoVo.getFiledName().equals("certificatID")) {
+                if (filedInfoVo.getShowEnable() == 1
+                        && filedInfoVo.getFiledName().equals("certificatID")) {
                     Font fontNum = new Font("宋体", Font.PLAIN, Integer.parseInt(req.getNumFont()));
                     int[] contentSize = getContentSize(fontNum, filedInfoVo.getFiledDemo());
                     g.setFont(fontNum);
                     g.drawString(filedInfoVo.getFiledDemo(),
-                            filedInfoVo.getX() + filedInfoVo.getW() / 2
-                                    - contentSize[0] / 2,
+                            filedInfoVo.getX() + filedInfoVo.getW() / 2 - contentSize[0] / 2,
                             filedInfoVo.getY() + contentSize[1]);
                 }
             }
@@ -841,8 +843,10 @@ public class CertificateService {
             certHashInfo.setCertConfigId(certConfigId);
             StringBuffer sb = new StringBuffer();
             for (int j = 0; j < columnNum; j++) {
-                sb.append(StringUtils.isNotEmpty(row.getCell(j).toString())
-                        ? row.getCell(j).toString() + ";" : null + ";");
+                Cell cell = row.getCell(j);
+                DataFormatter formatter = new DataFormatter();
+                String cellValue = formatter.formatCellValue(cell);
+                sb.append(StringUtils.isNotBlank(cellValue) ? cellValue + ";" : null + ";");
             }
             sb.deleteCharAt(sb.length() - 1);
             certHashInfo.setFiledInfo(sb.toString());