diff --git a/lab-service/lab-lims/src/main/java/org/springblade/lims/service/impl/ExamineReagentServiceImpl.java b/lab-service/lab-lims/src/main/java/org/springblade/lims/service/impl/ExamineReagentServiceImpl.java
index 12a78ff..8f846cb 100644
--- a/lab-service/lab-lims/src/main/java/org/springblade/lims/service/impl/ExamineReagentServiceImpl.java
+++ b/lab-service/lab-lims/src/main/java/org/springblade/lims/service/impl/ExamineReagentServiceImpl.java
@@ -328,14 +328,14 @@ public class ExamineReagentServiceImpl implements IExamineReagentService {
                     if (StringUtils.isNotBlank(cellVal)) {
                         if (rowNum > 5 || colNum > 1) {
                             if (negativeAvg != 0) {
-                                SP = DECIMAL_FORMAT.format(((negativeAvg-(Double.parseDouble(cellVal)))/(negativeAvg-positiveAvg))*100);
+                                SP = DECIMAL_FORMAT.format((negativeAvg-(Double.parseDouble(cellVal)))/(negativeAvg-positiveAvg));
                             }
                             mapResult.put("originResult", cellVal);
-                            mapResult.put("value", SP);
+                            mapResult.put("value", BLOCKING_RATE_PERCENT_FORMAT.format(Double.parseDouble(SP)));
                             mapResult.put("num", "1");
-                            if (Double.parseDouble(SP) <= 40) {
+                            if (Double.parseDouble(SP) <= 0.4) {
                                 mapResult.put("result", "阴性");
-                            } else if (Double.parseDouble(SP) < 50) {
+                            } else if (Double.parseDouble(SP) < 0.5) {
                                 mapResult.put("result", "可疑样本");
                             } else {
                                 mapResult.put("result", "阳性");
diff --git a/lab-service/lab-lims/src/main/java/org/springblade/lims/service/impl/ExamineResultServiceImpl.java b/lab-service/lab-lims/src/main/java/org/springblade/lims/service/impl/ExamineResultServiceImpl.java
index bc42201..bc90a6e 100644
--- a/lab-service/lab-lims/src/main/java/org/springblade/lims/service/impl/ExamineResultServiceImpl.java
+++ b/lab-service/lab-lims/src/main/java/org/springblade/lims/service/impl/ExamineResultServiceImpl.java
@@ -797,13 +797,21 @@ public class ExamineResultServiceImpl extends BaseServiceImpl<ExamineResultMappe
     // 仪器设备记录表,试剂使用记录表入库
     private void saves(ExamineResult examineResult) {
         Examine examine = examineService.getById(examineResult.getExamineId());
-        String[] split = examineResult.getInstrumentId().split(",");
-        String[] split1 = examineResult.getReagentId().split(",");
+        // 修复1：仪器ID拆分前判空，避免空指针
+        String[] split = examineResult.getInstrumentId() != null && !examineResult.getInstrumentId().trim().isEmpty()
+                ? examineResult.getInstrumentId().split(",")
+                : new String[0];
+        // 修复2：试剂ID拆分前判空，避免空指针
+        String[] split1 = examineResult.getReagentId() != null && !examineResult.getReagentId().trim().isEmpty()
+                ? examineResult.getReagentId().split(",")
+                : new String[0];
+
         List<InstrumentUseLog> list1 = new ArrayList<>();
         List<ReagentUseLog> list2 = new ArrayList<>();
         ExamineItem examineItem = examineItemService.getById(examine.getExamineItemId());
         ExamineWay examineWay = examineWayService.getById(examine.getExamineWayId());
         ExamineBasis examineBasis = examineBasisService.getById(examine.getExamineBasisId());
+
         String s1 = "";
         if (examineItem != null) {
             s1 = examineItem.getName();
@@ -817,34 +825,83 @@ public class ExamineResultServiceImpl extends BaseServiceImpl<ExamineResultMappe
             s3 = examineBasis.getName();
         }
         String workContent = s1 + s2 + s3;
+
+        // 处理仪器使用记录
         for (String s : split) {
+            // 修复3：仪器ID为空则跳过，避免无效查询
+            if (s == null || s.trim().isEmpty()) {
+                continue;
+            }
             Instrument instrument = instrumentService.getById(s);
+            // 修复4：仪器查询结果为空则跳过，避免空指针
+            if (instrument == null) {
+                continue;
+            }
             InstrumentUseLog instrumentUseLog = new InstrumentUseLog();
             instrumentUseLog.setCode(instrument.getCode());
             instrumentUseLog.setName(instrument.getName());
-            instrumentUseLog.setUsedLaboratory(sysClient.getDeptName(Long.valueOf(examine.getExamineBy())).getData());
-            instrumentUseLog.setUsedBy(userClient.userInfoById(Long.valueOf(examine.getExamineBy())).getData().getName());
+
+            // 修复5：Long转换前判空，避免NumberFormatException
+            Long examineBy = Long.valueOf(examine.getExamineBy());
+            if (examineBy != null) {
+                instrumentUseLog.setUsedLaboratory(sysClient.getDeptName(examineBy).getData());
+                instrumentUseLog.setUsedBy(userClient.userInfoById(examineBy).getData().getName());
+            } else {
+                instrumentUseLog.setUsedLaboratory("");
+                instrumentUseLog.setUsedBy("");
+            }
+
             instrumentUseLog.setExperieNum(examine.getExperieNum());
             instrumentUseLog.setUsedTime(examineResult.getInspectionTime());
             instrumentUseLog.setWorkContent(workContent);
             list1.add(instrumentUseLog);
         }
+
+        // 处理试剂使用记录
         for (String s : split1) {
+            // 修复6：试剂ID为空则跳过，避免无效查询
+            if (s == null || s.trim().isEmpty()) {
+                continue;
+            }
             Reagent reagent = reagentService.getById(s);
+            // 修复7：试剂查询结果为空则跳过，避免空指针
+            if (reagent == null) {
+                continue;
+            }
             ReagentUseLog reagentUseLog = new ReagentUseLog();
             reagentUseLog.setManufacturer(reagent.getManufacturer());
             reagentUseLog.setBatchNo(reagent.getBatchNo());
             reagentUseLog.setName(reagent.getName());
+
             if (examineItem != null) {
                 reagentUseLog.setForExamine(examineItem.getName());
             }
-            reagentUseLog.setType(Integer.parseInt(reagent.getType()));
+
+            // 修复8：核心修复——试剂类型转换防null/非数字（不改变量名）
+            int type = 0; // 默认值，可根据业务调整
+            String reagentType = reagent.getType();
+            if (reagentType != null && !reagentType.trim().isEmpty()) {
+                try {
+                    type = Integer.parseInt(reagentType.trim());
+                } catch (NumberFormatException e) {
+                    // 转换失败用默认值，可选加日志
+                    type = 0;
+                }
+            }
+            reagentUseLog.setType(type);
+
             reagentUseLog.setApplicant(examine.getExamineBy());
             reagentUseLog.setApplicationDate(new Date());
             list2.add(reagentUseLog);
         }
-        iInstrumentUseLogService.saveBatch(list1);
-        reagentUseLogService.saveBatch(list2);
+
+        // 修复9：空集合不保存，避免无效数据库操作
+        if (!list1.isEmpty()) {
+            iInstrumentUseLogService.saveBatch(list1);
+        }
+        if (!list2.isEmpty()) {
+            reagentUseLogService.saveBatch(list2);
+        }
     }
 
     // 判断当前用户有没有电子签名