diff --git a/biz-module-system-api/src/main/java/cn/ey/biz/module/system/api/serviceline/ServiceLineApi.java b/biz-module-system-api/src/main/java/cn/ey/biz/module/system/api/serviceline/ServiceLineApi.java
new file mode 100644
index 0000000..0bd840b
--- /dev/null
+++ b/biz-module-system-api/src/main/java/cn/ey/biz/module/system/api/serviceline/ServiceLineApi.java
@@ -0,0 +1,33 @@
+package cn.ey.biz.module.system.api.serviceline;
+
+import cn.ey.biz.common.pojo.R;
+import cn.ey.biz.module.system.enums.ApiConstants;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiImplicitParam;
+import io.swagger.annotations.ApiImplicitParams;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+import java.util.List;
+
+/**
+ * @author zhangjunlong
+ * @since 2023/10/31 16:23
+ */
+
+@FeignClient(name = ApiConstants.NAME)
+public interface ServiceLineApi {
+    String PREFIX = ApiConstants.PREFIX + "/service-line-api";
+
+    /**
+     * 根据编码获取业务子线的名称
+     *
+     * @param code 编码
+     * @return
+     */
+    @GetMapping(PREFIX + "/sub-service-line-name")
+    R<String> getSubServiceLineName(@RequestParam("code") String code);
+
+}
diff --git a/biz-module-system-srv/src/main/java/cn/ey/biz/module/system/api/serviceline/ServiceLineApiImpl.java b/biz-module-system-srv/src/main/java/cn/ey/biz/module/system/api/serviceline/ServiceLineApiImpl.java
new file mode 100644
index 0000000..ab9958e
--- /dev/null
+++ b/biz-module-system-srv/src/main/java/cn/ey/biz/module/system/api/serviceline/ServiceLineApiImpl.java
@@ -0,0 +1,35 @@
+package cn.ey.biz.module.system.api.serviceline;
+
+import cn.ey.biz.common.pojo.R;
+import cn.ey.biz.module.system.dal.dataobject.codeblock.SubServiceLineDO;
+import cn.ey.biz.module.system.service.serviceline.ServiceSubLineService;
+import lombok.RequiredArgsConstructor;
+import org.apache.dubbo.config.annotation.DubboService;
+import org.springframework.cache.annotation.Cacheable;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Objects;
+
+import static cn.ey.biz.module.system.enums.ApiConstants.VERSION;
+
+/**
+ * @author zhangjunlong
+ * @since 2023/10/31 17:16
+ */
+@RestController // 提供 RESTful API 接口，给 Feign 调用
+@DubboService(version = VERSION) // 提供 Dubbo RPC 接口，给 Dubbo Consumer 调用
+@RequiredArgsConstructor
+public class ServiceLineApiImpl implements ServiceLineApi {
+    private final ServiceSubLineService serviceSubLineService;
+
+    /**
+     * 根据编码获取业务子线的名称
+     *
+     * @param code 编码
+     * @return
+     */
+    @Override
+    public R<String> getSubServiceLineName(String code) {
+        return R.success(serviceSubLineService.getSubServiceLineNameStr(code));
+    }
+}
diff --git a/biz-module-system-srv/src/main/java/cn/ey/biz/module/system/dal/mapper/serviceline/ServiceSubLineMapper.java b/biz-module-system-srv/src/main/java/cn/ey/biz/module/system/dal/mapper/serviceline/ServiceSubLineMapper.java
new file mode 100644
index 0000000..8563661
--- /dev/null
+++ b/biz-module-system-srv/src/main/java/cn/ey/biz/module/system/dal/mapper/serviceline/ServiceSubLineMapper.java
@@ -0,0 +1,13 @@
+package cn.ey.biz.module.system.dal.mapper.serviceline;
+
+import cn.ey.biz.module.system.dal.dataobject.codeblock.SubServiceLineDO;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * @author zhangjunlong
+ * @since 2023/10/31 17:11
+ */
+@Mapper
+public interface ServiceSubLineMapper extends BaseMapper<SubServiceLineDO> {
+}
diff --git a/biz-module-system-srv/src/main/java/cn/ey/biz/module/system/service/serviceline/ServiceSubLineService.java b/biz-module-system-srv/src/main/java/cn/ey/biz/module/system/service/serviceline/ServiceSubLineService.java
new file mode 100644
index 0000000..6779b04
--- /dev/null
+++ b/biz-module-system-srv/src/main/java/cn/ey/biz/module/system/service/serviceline/ServiceSubLineService.java
@@ -0,0 +1,12 @@
+package cn.ey.biz.module.system.service.serviceline;
+
+import cn.ey.biz.module.system.dal.dataobject.codeblock.SubServiceLineDO;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+/**
+ * @author zhangjunlong
+ * @since 2023/10/31 16:31
+ */
+public interface ServiceSubLineService extends IService<SubServiceLineDO> {
+    String getSubServiceLineNameStr(String code);
+}
diff --git a/biz-module-system-srv/src/main/java/cn/ey/biz/module/system/service/serviceline/ServiceSubLineServiceImpl.java b/biz-module-system-srv/src/main/java/cn/ey/biz/module/system/service/serviceline/ServiceSubLineServiceImpl.java
new file mode 100644
index 0000000..023aacc
--- /dev/null
+++ b/biz-module-system-srv/src/main/java/cn/ey/biz/module/system/service/serviceline/ServiceSubLineServiceImpl.java
@@ -0,0 +1,29 @@
+package cn.ey.biz.module.system.service.serviceline;
+
+import cn.ey.biz.module.system.dal.dataobject.codeblock.SubServiceLineDO;
+import cn.ey.biz.module.system.dal.mapper.serviceline.ServiceSubLineMapper;
+import cn.ey.biz.module.system.service.serviceline.ServiceSubLineService;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.springframework.cache.annotation.Cacheable;
+import org.springframework.stereotype.Service;
+
+import java.util.Objects;
+
+/**
+ * @author zhangjunlong
+ * @since 2023/10/31 17:13
+ */
+@Service
+public class ServiceSubLineServiceImpl extends ServiceImpl<ServiceSubLineMapper, SubServiceLineDO> implements ServiceSubLineService {
+    @Override
+    @Cacheable(cacheNames = "ey:gpt:sub-service-line", key = "#code", unless = "#result==null")
+    public String getSubServiceLineNameStr(String code) {
+        SubServiceLineDO subServiceLineDO =
+                lambdaQuery().select(SubServiceLineDO::getSslName).eq(SubServiceLineDO::getSslCode,
+                        code).one();
+        if (Objects.isNull(subServiceLineDO)) {
+            return "";
+        }
+        return subServiceLineDO.getSslName();
+    }
+}