diff --git a/jeecg-boot-base-core/src/main/java/org/jeecg/common/util/NumUtil.java b/jeecg-boot-base-core/src/main/java/org/jeecg/common/util/NumUtil.java
new file mode 100644
index 00000000..00ebfb09
--- /dev/null
+++ b/jeecg-boot-base-core/src/main/java/org/jeecg/common/util/NumUtil.java
@@ -0,0 +1,20 @@
+package org.jeecg.common.util;
+
+import cn.hutool.core.util.ObjectUtil;
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+
+public class NumUtil {
+
+    public static Double fixedMax(int bit, Double value){
+        if (ObjectUtil.isNull(value))
+            return value;
+        // 获取整数位数
+        int length = String.valueOf(value).split("\\.")[0].length();
+        if (length >= bit)
+            return value;
+        int scale = bit - length;
+        BigDecimal decimal = new BigDecimal(value);
+        return decimal.setScale(scale, RoundingMode.HALF_UP).doubleValue();
+    }
+}
diff --git a/jeecg-boot-base-core/src/main/resources/excelTemplate/QcResult-B.xls b/jeecg-boot-base-core/src/main/resources/excelTemplate/QcResult-B.xls
index 0576a78f..98a27e6f 100644
Binary files a/jeecg-boot-base-core/src/main/resources/excelTemplate/QcResult-B.xls and b/jeecg-boot-base-core/src/main/resources/excelTemplate/QcResult-B.xls differ
diff --git a/jeecg-boot-base-core/src/main/resources/excelTemplate/SampleInformation-B.xls b/jeecg-boot-base-core/src/main/resources/excelTemplate/SampleInformation-B.xls
index f9c83821..4e38979c 100644
Binary files a/jeecg-boot-base-core/src/main/resources/excelTemplate/SampleInformation-B.xls and b/jeecg-boot-base-core/src/main/resources/excelTemplate/SampleInformation-B.xls differ
diff --git a/jeecg-boot-base-core/src/main/resources/excelTemplate/SampleInformation-G.xls b/jeecg-boot-base-core/src/main/resources/excelTemplate/SampleInformation-G.xls
index 21694ff3..5e1f1497 100644
Binary files a/jeecg-boot-base-core/src/main/resources/excelTemplate/SampleInformation-G.xls and b/jeecg-boot-base-core/src/main/resources/excelTemplate/SampleInformation-G.xls differ
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 d705a233..161032b8 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
@@ -5,6 +5,7 @@ import cn.hutool.core.collection.ListUtil;
 import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.io.FileUtil;
 import cn.hutool.core.map.MapUtil;
+import cn.hutool.core.util.NumberUtil;
 import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.ReUtil;
 import cn.hutool.core.util.StrUtil;
@@ -47,6 +48,7 @@ import java.sql.Connection;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Statement;
+import java.text.DecimalFormat;
 import java.text.ParseException;
 import java.time.LocalDateTime;
 import java.util.*;
@@ -1865,7 +1867,7 @@ public class GammaServiceImpl implements IGammaService {
             }
             item.setName(name);
             item.setFlag(iter.getValue().isBPass() ? "PASS" : "FAIL");
-            item.setValue(iter.getValue().getValue());
+            item.setValue(NumUtil.fixedMax(6 ,iter.getValue().getValue()));
             String standard="";
             List<String> strList = Arrays.asList(iter.getValue().getStandard().split(StringPool.COMMA));
             for (String str : strList) {
@@ -1890,6 +1892,8 @@ public class GammaServiceImpl implements IGammaService {
                 }
             }
             item.setStandard(standard);
+            if(StrUtil.equals(name, "Xe133-MDC (uBq/m3)"))
+                qcResultList.add(0, item);
             qcResultList.add(item);
         }
         result.setSuccess(true);
diff --git a/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/impl/SpectrumAnalysisServiceImpl.java b/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/impl/SpectrumAnalysisServiceImpl.java
index d9a84ff1..33360c50 100644
--- a/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/impl/SpectrumAnalysisServiceImpl.java
+++ b/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/impl/SpectrumAnalysisServiceImpl.java
@@ -1183,6 +1183,8 @@ public class SpectrumAnalysisServiceImpl implements ISpectrumAnalysisService {
         QCResult qcResult = result.getResult();
         if (ObjectUtil.isNull(qcResult)) return;
         Map<String, Object> dataMap = BeanUtil.beanToMap(qcResult);
+        // 将Null值替换为"",避免空指针异常(或者在模板中进行判断)
+        dataMap.replaceAll((key, value) -> ObjectUtil.isNull(value) ? "" : value);
         String export = "QCResult-Beta.xls";
         String template = QcResult_B.getName();
         ExportUtil.exportXls(response,template,dataMap,export);