diff --git a/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/impl/GammaServiceImpl.java b/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/impl/GammaServiceImpl.java
index 34be8d13..7a863e6a 100644
--- a/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/impl/GammaServiceImpl.java
+++ b/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/impl/GammaServiceImpl.java
@@ -5622,7 +5622,8 @@ public class GammaServiceImpl extends AbstractLogOrReport implements IGammaServi
                                     if (attribute.getNodeName().equalsIgnoreCase("nuclide_name")) {
                                         info.setNuclideName(attribute.getNodeValue());
                                     } else if (attribute.getNodeName().equalsIgnoreCase("halflife")) {
-                                        info.setHalflife(Double.valueOf(attribute.getNodeValue()));
+                                        double halflife = Double.valueOf(attribute.getNodeValue()) * 86400;
+                                        info.setHalflife(halflife);
                                     }
                                 }
                                 if (com.baomidou.mybatisplus.core.toolkit.StringUtils.isNotBlank(info.getNuclideName()) && Objects.nonNull(info.getHalflife())) {