diff --git a/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/dal/mysql/base/FactoryMapper.java b/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/dal/mysql/base/FactoryMapper.java
index 4cf825f..53883ae 100644
--- a/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/dal/mysql/base/FactoryMapper.java
+++ b/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/dal/mysql/base/FactoryMapper.java
@@ -27,4 +27,5 @@ public interface FactoryMapper extends BaseMapperX<FactoryDO> {
                 .orderByDesc(FactoryDO::getId));
     }
 
+    String selectMaxCode();
 }
\ No newline at end of file
diff --git a/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/service/base/FactoryServiceImpl.java b/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/service/base/FactoryServiceImpl.java
index cb3567d..a2d21b3 100644
--- a/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/service/base/FactoryServiceImpl.java
+++ b/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/service/base/FactoryServiceImpl.java
@@ -36,6 +36,17 @@ public class FactoryServiceImpl implements FactoryService {
     public FactoryRespVO createFactory(FactorySaveReqVO createReqVO) {
         // 插入
         FactoryDO factory = BeanUtils.toBean(createReqVO, FactoryDO.class);
+        // 工厂编码自动生成，格式 GC-0001,依次新增
+        String maxCode = factoryMapper.selectMaxCode();
+        if (maxCode == null) {
+            factory.setNumber("GC-0001");
+        } else {
+            String prefix = "GC-";
+            String numberPart = maxCode.substring(prefix.length());
+            int nextNumber = Integer.parseInt(numberPart) + 1;
+            String nextCode = prefix + String.format("%04d", nextNumber);
+            factory.setNumber(nextCode);
+        }
         factoryMapper.insert(factory);
         // 返回
         return BeanUtils.toBean(factory, FactoryRespVO.class);
@@ -59,12 +70,12 @@ public class FactoryServiceImpl implements FactoryService {
     }
 
     @Override
-        public void deleteFactoryListByIds(List<Long> ids) {
+    public void deleteFactoryListByIds(List<Long> ids) {
         // 校验存在
         validateFactoryExists(ids);
         // 删除
         factoryMapper.deleteByIds(ids);
-        }
+    }
 
     private void validateFactoryExists(List<Long> ids) {
         List<FactoryDO> list = factoryMapper.selectByIds(ids);
@@ -92,7 +103,7 @@ public class FactoryServiceImpl implements FactoryService {
     @Override
     public void enableFactoryList(List<FactoryRespVO> saveReqVOS) {
         List<FactoryDO> updateObj = BeanUtils.toBean(saveReqVOS, FactoryDO.class);
-        List<BatchResult> count =  factoryMapper.updateById(updateObj);
+        List<BatchResult> count = factoryMapper.updateById(updateObj);
         if (CollUtil.isEmpty(count)) {
             throw exception(FACTORY_NOT_EXISTS);
         }
diff --git a/zt-module-base/zt-module-base-server/src/main/resources/mapper/base/FactoryMapper.xml b/zt-module-base/zt-module-base-server/src/main/resources/mapper/base/FactoryMapper.xml
index 131c560..a212af0 100644
--- a/zt-module-base/zt-module-base-server/src/main/resources/mapper/base/FactoryMapper.xml
+++ b/zt-module-base/zt-module-base-server/src/main/resources/mapper/base/FactoryMapper.xml
@@ -9,4 +9,7 @@
         文档可见：https://www.iocoder.cn/MyBatis/x-plugins/
      -->
 
+    <select id="selectMaxCode" resultType="java.lang.String">
+        SELECT MAX(coding) FROM sply_fact
+    </select>
 </mapper>
\ No newline at end of file