diff --git a/pom.xml b/pom.xml
index f8d92cf..4d4456b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -116,15 +116,15 @@
         </dependency>
 
         <!--Poi Excel -->
-        <dependency>
-            <groupId>org.apache.poi</groupId>
-            <artifactId>poi</artifactId>
-            <version>3.17</version>
-        </dependency>
+<!--        <dependency>-->
+<!--            <groupId>org.apache.poi</groupId>-->
+<!--            <artifactId>poi</artifactId>-->
+<!--            <version>3.17</version>-->
+<!--        </dependency>-->
         <dependency>
             <groupId>org.apache.poi</groupId>
             <artifactId>poi-ooxml</artifactId>
-            <version>3.17</version>
+            <version>4.1.2</version>
         </dependency>
         <!--websocket-->
         <dependency>
diff --git a/util/src/main/java/com/ccsens/util/PoiUtil.java b/util/src/main/java/com/ccsens/util/PoiUtil.java
index bffd1d0..a75e829 100644
--- a/util/src/main/java/com/ccsens/util/PoiUtil.java
+++ b/util/src/main/java/com/ccsens/util/PoiUtil.java
@@ -5,9 +5,9 @@ import cn.hutool.core.util.StrUtil;
 import com.ccsens.util.exception.BaseException;
 import lombok.Data;
 import lombok.extern.slf4j.Slf4j;
-import org.apache.poi.POIXMLDocumentPart;
 import org.apache.poi.common.usermodel.HyperlinkType;
 import org.apache.poi.hssf.usermodel.*;
+import org.apache.poi.ooxml.POIXMLDocumentPart;
 import org.apache.poi.ss.usermodel.DateUtil;
 import org.apache.poi.ss.usermodel.*;
 import org.apache.poi.ss.util.CellRangeAddress;
@@ -350,7 +350,7 @@ public class PoiUtil {
         String cellValue = null;
         // 判断excel单元格内容的格式，并对其进行转换，以便插入数据库
         switch (cell.getCellType()) {
-            case 0://number类型
+            case NUMERIC://number类型
                 //时间类型也被认为是number类型，所以在读取数据时需进行判断
                 if (DateUtil.isCellDateFormatted(cell)) {
                     SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.S");
@@ -359,10 +359,10 @@ public class PoiUtil {
                     cellValue = new DecimalFormat("0").format(cell.getNumericCellValue());
                 }
                 break;
-            case 1:
+            case STRING:
                 cellValue = cell.getStringCellValue();
                 break;
-            case 2:
+            case FORMULA:
                 if (DateUtil.isCellDateFormatted(cell)) {
                     SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.S");
                     cellValue = sdf.format(cell.getDateCellValue());
@@ -370,13 +370,13 @@ public class PoiUtil {
                     cellValue = String.valueOf(cell.getNumericCellValue());
                 }
                 break;
-            case 3:
+            case BLANK:
                 cellValue = "";
                 break;
-            case 4:
+            case BOOLEAN:
                 cellValue = String.valueOf(cell.getBooleanCellValue());
                 break;
-            case 5:
+            case ERROR:
                 cellValue = String.valueOf(cell.getErrorCellValue());
                 break;
         }
@@ -513,7 +513,7 @@ public class PoiUtil {
         InputStream inputStream = new FileInputStream(file);
         Workbook workbook;
         if (file.getPath().endsWith(".xls")) {
-            workbook = new XSSFWorkbook(inputStream);
+            workbook = new HSSFWorkbook(inputStream);
         } else {
             workbook = new XSSFWorkbook(inputStream);
         }