diff --git a/src/main/java/com/xkrs/newpro/dao/QcSpecDao.java b/src/main/java/com/xkrs/newpro/dao/QcSpecDao.java
index 715cce9..69b8429 100644
--- a/src/main/java/com/xkrs/newpro/dao/QcSpecDao.java
+++ b/src/main/java/com/xkrs/newpro/dao/QcSpecDao.java
@@ -12,4 +12,9 @@ public interface QcSpecDao extends JpaRepository<QcSpecEntity, Integer>, JpaSpec
 
     Optional<QcSpecEntity> findByVarietyNoAndQcItemNo(String varietyNo, String qcItemNo);
 
+    /**
+     * 更新质检规格
+     */
+    void updateQcSpecById(Integer id, String max, String mean, String min, String unit, String method, String standard, String remark);
+
 }
\ No newline at end of file
diff --git a/src/main/java/com/xkrs/newpro/service/QcSpecService.java b/src/main/java/com/xkrs/newpro/service/QcSpecService.java
index de4fd10..d3fa01c 100644
--- a/src/main/java/com/xkrs/newpro/service/QcSpecService.java
+++ b/src/main/java/com/xkrs/newpro/service/QcSpecService.java
@@ -10,6 +10,9 @@ public interface QcSpecService {
      */
     String insertQcSpec(QcSpecQoInsert insertQo);
 
+    /**
+     * 更新质检规格
+     */
     String updateQcSpec(QcSpecQoUpdate updateQo);
 
 }
diff --git a/src/main/java/com/xkrs/newpro/service/impl/QcSpecServiceImpl.java b/src/main/java/com/xkrs/newpro/service/impl/QcSpecServiceImpl.java
index 9d2f4fb..a5bd36f 100644
--- a/src/main/java/com/xkrs/newpro/service/impl/QcSpecServiceImpl.java
+++ b/src/main/java/com/xkrs/newpro/service/impl/QcSpecServiceImpl.java
@@ -70,8 +70,35 @@ public class QcSpecServiceImpl implements QcSpecService {
         return outputEncapsulationObject(PromptMessageEnum.SUCCESS, "添加成功！", locale);
     }
 
+    /**
+     * 更新质检规格
+     */
     @Override
     public String updateQcSpec(QcSpecQoUpdate updateQo) {
-        return null;
+
+        Integer id = updateQo.getId();
+        String max = updateQo.getMax();
+        String mean = updateQo.getMean();
+        String min = updateQo.getMin();
+        String unit = updateQo.getUnit();
+        String method = updateQo.getMethod();
+        String standard = updateQo.getStandard();
+        String remark = updateQo.getRemark();
+
+        Optional<QcSpecEntity> entityById = qcSpecDao.findById(id);
+        if (entityById.isEmpty()) {
+            return outputEncapsulationObject(PromptMessageEnum.DATA_NONE, "不存在该检验规格，请先添加检验规格！", locale);
+        }
+
+        qcSpecDao.updateQcSpecById(id,
+                LocalStringUtils.formatEmptyValue(max),
+                LocalStringUtils.formatEmptyValue(mean),
+                LocalStringUtils.formatEmptyValue(min),
+                LocalStringUtils.formatEmptyValue(unit),
+                LocalStringUtils.formatEmptyValue(method),
+                LocalStringUtils.formatEmptyValue(standard),
+                LocalStringUtils.formatEmptyValue(remark));
+
+        return outputEncapsulationObject(PromptMessageEnum.SUCCESS, "修改成功！", locale);
     }
 }