diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/iqc/vo/MesQcIqcSaveReqVO.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/iqc/vo/MesQcIqcSaveReqVO.java
index 59c40a3..172dceb 100644
--- a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/iqc/vo/MesQcIqcSaveReqVO.java
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/iqc/vo/MesQcIqcSaveReqVO.java
@@ -1,6 +1,7 @@
 package cn.iocoder.yudao.module.mes.controller.admin.qc.iqc.vo;
 
 import cn.hutool.core.util.ObjUtil;
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.validation.constraints.AssertTrue;
 import jakarta.validation.constraints.DecimalMin;
@@ -85,7 +86,7 @@ public class MesQcIqcSaveReqVO {
     private String remark;
 
     @AssertTrue(message = "合格品数量与不合格品数量之和必须等于本次接收数量")
-    @Schema(hidden = true)
+    @JsonIgnore
     public boolean isQuantityValid() {
         if (ObjUtil.hasNull(qualifiedQuantity, unqualifiedQuantity, receivedQuantity)) {
             return true; // @NotNull 会处理 null
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/md/vendor/MesMdVendorService.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/md/vendor/MesMdVendorService.java
index 20610dd..b0d7f98 100644
--- a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/md/vendor/MesMdVendorService.java
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/md/vendor/MesMdVendorService.java
@@ -52,6 +52,14 @@ public interface MesMdVendorService {
     MesMdVendorDO getVendor(Long id);
 
     /**
+     * 校验供应商存在
+     *
+     * @param id 供应商 ID
+     * @return 供应商
+     */
+    MesMdVendorDO validateVendorExists(Long id);
+
+    /**
      * 获得供应商分页
      *
      * @param pageReqVO 分页查询
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/md/vendor/MesMdVendorServiceImpl.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/md/vendor/MesMdVendorServiceImpl.java
index 943895c..d125f43 100644
--- a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/md/vendor/MesMdVendorServiceImpl.java
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/md/vendor/MesMdVendorServiceImpl.java
@@ -78,10 +78,13 @@ public class MesMdVendorServiceImpl implements MesMdVendorService {
         vendorMapper.deleteById(id);
     }
 
-    private void validateVendorExists(Long id) {
-        if (vendorMapper.selectById(id) == null) {
+    @Override
+    public MesMdVendorDO validateVendorExists(Long id) {
+        MesMdVendorDO vendor = vendorMapper.selectById(id);
+        if (vendor == null) {
             throw exception(MD_VENDOR_NOT_EXISTS);
         }
+        return vendor;
     }
 
     private void validateVendorCodeUnique(Long id, String code) {
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/iqc/MesQcIqcLineServiceImpl.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/iqc/MesQcIqcLineServiceImpl.java
index 74e9b79..268f9b1 100644
--- a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/iqc/MesQcIqcLineServiceImpl.java
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/iqc/MesQcIqcLineServiceImpl.java
@@ -91,7 +91,9 @@ public class MesQcIqcLineServiceImpl implements MesQcIqcLineService {
         }
         List<MesQcIqcLineDO> updateLines = new ArrayList<>(lines.size());
         for (MesQcIqcLineDO line : lines) {
-            int critical = 0, major = 0, minor = 0;
+            int critical = 0;
+            int major = 0;
+            int minor = 0;
             for (MesQcDefectRecordDO record : records) {
                 if (ObjUtil.notEqual(record.getLineId(), line.getId())) {
                     continue;
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/iqc/MesQcIqcServiceImpl.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/iqc/MesQcIqcServiceImpl.java
index 1859f6f..64aba32 100644
--- a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/iqc/MesQcIqcServiceImpl.java
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/iqc/MesQcIqcServiceImpl.java
@@ -15,6 +15,8 @@ import cn.iocoder.yudao.module.mes.enums.MesBizTypeConstants;
 import cn.iocoder.yudao.module.mes.enums.qc.MesQcDefectLevelEnum;
 import cn.iocoder.yudao.module.mes.enums.qc.MesQcIqcStatusEnum;
 import cn.iocoder.yudao.module.mes.enums.qc.MesQcTypeEnum;
+import cn.iocoder.yudao.module.mes.service.md.item.MesMdItemService;
+import cn.iocoder.yudao.module.mes.service.md.vendor.MesMdVendorService;
 import cn.iocoder.yudao.module.mes.service.qc.defectrecord.MesQcDefectRecordService;
 import cn.iocoder.yudao.module.mes.service.qc.template.MesQcTemplateDetailService;
 import cn.iocoder.yudao.module.mes.service.wm.arrivalnotice.MesWmArrivalNoticeService;
@@ -52,15 +54,22 @@ public class MesQcIqcServiceImpl implements MesQcIqcService {
     private MesQcDefectRecordService defectRecordService;
     @Resource
     private MesWmArrivalNoticeService arrivalNoticeService;
+    @Resource
+    private MesMdVendorService vendorService;
+    @Resource
+    private MesMdItemService itemService;
 
     @Override
     @Transactional(rollbackFor = Exception.class)
     public Long createIqc(MesQcIqcSaveReqVO createReqVO, Long inspectorUserId) {
         // 1.1 校验编号唯一
         validateIqcCodeUnique(null, createReqVO.getCode());
-        // 1.2 校验来源单据参数，并验证数据存在
+        // 1.2 校验供应商、物料存在
+        vendorService.validateVendorExists(createReqVO.getVendorId());
+        itemService.validateItemExists(createReqVO.getItemId());
+        // 1.3 校验来源单据参数，并验证数据存在
         validateSourceDoc(createReqVO.getSourceDocType(), createReqVO.getSourceDocId(), createReqVO.getSourceLineId());
-        // 1.3 通过 itemId + IQC 类型自动查找模板
+        // 1.4 通过 itemId + IQC 类型自动查找模板
         MesQcTemplateItemDO templateItem = templateDetailService.getRequiredTemplateByItemIdAndType(
                 createReqVO.getItemId(), MesQcTypeEnum.IQC.getType());
         Long templateId = templateItem.getTemplateId();
@@ -84,6 +93,9 @@ public class MesQcIqcServiceImpl implements MesQcIqcService {
         validateIqcStatusPrepare(updateReqVO.getId());
         // 1.2 校验编号唯一
         validateIqcCodeUnique(updateReqVO.getId(), updateReqVO.getCode());
+        // 1.3 校验供应商、物料存在
+        vendorService.validateVendorExists(updateReqVO.getVendorId());
+        itemService.validateItemExists(updateReqVO.getItemId());
 
         // 2. 更新主表
         MesQcIqcDO updateObj = BeanUtils.toBean(updateReqVO, MesQcIqcDO.class);
@@ -216,11 +228,14 @@ public class MesQcIqcServiceImpl implements MesQcIqcService {
 
     @Override
     public void recalculateDefectStats(Long iqcId, List<MesQcDefectRecordDO> records) {
+        MesQcIqcDO iqc = validateIqcExists(iqcId);
         // 1. 行级缺陷统计
         iqcLineService.recalculateLineDefectStats(iqcId, records);
 
         // 2.1 汇总主表的缺陷数量
-        int totalCritical = 0, totalMajor = 0, totalMinor = 0;
+        int totalCritical = 0;
+        int totalMajor = 0;
+        int totalMinor = 0;
         for (MesQcDefectRecordDO record : records) {
             int quantity = ObjUtil.defaultIfNull(record.getQuantity(), 1);
             if (Objects.equals(record.getLevel(), MesQcDefectLevelEnum.CRITICAL.getType())) {
@@ -234,7 +249,6 @@ public class MesQcIqcServiceImpl implements MesQcIqcService {
             }
         }
         // 2.2 计算缺陷率
-        MesQcIqcDO iqc = validateIqcExists(iqcId);
         BigDecimal criticalRate = BigDecimal.ZERO;
         BigDecimal majorRate = BigDecimal.ZERO;
         BigDecimal minorRate = BigDecimal.ZERO;