调整公称压力和车辆识别代号从安装合格证里取，这样更准确

yudao-server/src/main/java/cn/iocoder/yudao/server/service/CertificateOfApprovalService.java

@@ -44,6 +44,16 @@ public class CertificateOfApprovalService {
             //气瓶编号
             equipmentRegistryRespVO.setProductId(productId);
         }
+        String nominalWorkingPressure = extractManufacturer(texts, fieldMap.get("nominalWorkingPressure"), 1);
+        if (ObjectUtil.isNotEmpty(nominalWorkingPressure)) {
+            //公称压力
+            equipmentRegistryRespVO.setNominalWorkingPressure(nominalWorkingPressure);
+        }
+        String vehicleVin = extractManufacturer(texts, fieldMap.get("vehicleVin"), 1);
+        if (ObjectUtil.isNotEmpty(vehicleVin)) {
+            //车辆识别代号
+            equipmentRegistryRespVO.setVehicleVin(vehicleVin);
+        }
         int contractorOffset = 1;
         if (!postfix.equals("pdf")) {
             contractorOffset = 1;

yudao-server/src/main/java/cn/iocoder/yudao/server/service/FieldMappingService.java

@@ -52,6 +52,9 @@ public class FieldMappingService {
     private static final List<String> SUPERVISION_AGENCY_CANDIDATES_BH_AZDW = Arrays.asList(
             "安装单位", "安装单位名称"
     );
+    private static final List<String> VEHICLE_VIN = Arrays.asList(
+            "车辆识别代号"
+    );
 
     /**
      * 获取公司字段名映射（优先从缓存读取）适用于监督检验证书
@@ -95,6 +98,7 @@ public class FieldMappingService {
         fieldMap.put("cylinderVolume", detectField(texts, SUPERVISION_AGENCY_CANDIDATES_ZS));
         fieldMap.put("productId", detectField(texts, SUPERVISION_AGENCY_CANDIDATES_BH_ZS));
         fieldMap.put("contractor", detectField(texts, SUPERVISION_AGENCY_CANDIDATES_BH_AZDW));
+        fieldMap.put("vehicleVin", detectField(texts, VEHICLE_VIN));
         // 3. 存入缓存（有效期 30 天）
         redisTemplate.opsForValue().set(redisKey, fieldMap, 365, TimeUnit.DAYS);
         return fieldMap;

yudao-server/src/main/java/cn/iocoder/yudao/server/service/ProductQualifiedService.java

@@ -59,7 +59,9 @@ public class ProductQualifiedService {
         if (ObjectUtil.isNotEmpty(cylinderVolume)) {
             //气瓶容积
             if (cylinderVolume.equals("L")) {
-                equipmentRegistryRespVO.setCylinderVolume("70.4");
+                //处理识别到上一行的情况
+                cylinderVolume = extractManufacturer(texts, fieldMap.get("cylinderVolume"), -1);
+                equipmentRegistryRespVO.setCylinderVolume(cylinderVolume);
             } else {
                 equipmentRegistryRespVO.setCylinderVolume(cylinderVolume);
             }
@@ -75,18 +77,16 @@ public class ProductQualifiedService {
         if (recTexts == null || recTexts.isEmpty()) {
             return null;
         }
-
         // 使用 Stream 查找关键词位置
         int index = IntStream.range(0, recTexts.size())
                 .filter(i -> recTexts.get(i).contains(keyword))
                 .findFirst()
-                .orElse(-1); // 未找到返回-1
-
+                .orElse(-1);
         // 检查是否找到关键词，且偏移后不越界
         if (index != -1 && index + offset < recTexts.size()) {
+
             return recTexts.get(index + offset);
         }
-
         return null; // 未找到或越界时返回null
     }
 }