diff --git a/dolphinscheduler-alert-plugin/dolphinscheduler-alert-email/src/main/java/org/apache/dolphinscheduler/plugin/alert/email/ExcelUtils.java b/dolphinscheduler-alert-plugin/dolphinscheduler-alert-email/src/main/java/org/apache/dolphinscheduler/plugin/alert/email/ExcelUtils.java
index ae3bcfcc073216dfa38007e576d6c78dd5431324..90069c6e07faf3e62f5ef766994c1e6e554e5a5e 100644
--- a/dolphinscheduler-alert-plugin/dolphinscheduler-alert-email/src/main/java/org/apache/dolphinscheduler/plugin/alert/email/ExcelUtils.java
+++ b/dolphinscheduler-alert-plugin/dolphinscheduler-alert-email/src/main/java/org/apache/dolphinscheduler/plugin/alert/email/ExcelUtils.java
@@ -110,7 +110,11 @@ public class ExcelUtils {
                 for (int j = 0; j < values.length; j++) {
                     Cell cell1 = row.createCell(j);
                     cell1.setCellStyle(cellStyle);
-                    cell1.setCellValue(String.valueOf(values[j]));
+                    if (values[j] instanceof Number) {
+                        cell1.setCellValue(Double.parseDouble(String.valueOf(values[j])));
+                    } else {
+                        cell1.setCellValue(String.valueOf(values[j]));
+                    }
                 }
             }