diff --git a/src/main/java/com/project/information/application/ProductLineApplicationService.java b/src/main/java/com/project/information/application/ProductLineApplicationService.java
index 3632dc3..7e287f4 100644
--- a/src/main/java/com/project/information/application/ProductLineApplicationService.java
+++ b/src/main/java/com/project/information/application/ProductLineApplicationService.java
@@ -5,6 +5,7 @@ import com.project.information.domain.dto.ProductLineDTO;
 import com.project.information.domain.param.ProductLineParam;
 
 import java.util.List;
+import java.util.Optional;
 
 public interface ProductLineApplicationService {
     Result<ProductLineDTO> save(ProductLineDTO dto) throws Exception;
@@ -14,4 +15,6 @@ public interface ProductLineApplicationService {
     Result<ProductLineDTO> rename(ProductLineDTO dto) throws Exception;
 
     Result<String> delete(Long id) throws Exception;
+
+    String searchLineNameById(Long subLineId);
 }
diff --git a/src/main/java/com/project/information/application/impl/ProductLineApplicationServiceImpl.java b/src/main/java/com/project/information/application/impl/ProductLineApplicationServiceImpl.java
index c64f1a9..aa4e5a0 100644
--- a/src/main/java/com/project/information/application/impl/ProductLineApplicationServiceImpl.java
+++ b/src/main/java/com/project/information/application/impl/ProductLineApplicationServiceImpl.java
@@ -3,8 +3,10 @@ package com.project.information.application.impl;
 import com.project.base.domain.result.Result;
 import com.project.information.application.ProductLineApplicationService;
 import com.project.information.domain.dto.ProductLineDTO;
+import com.project.information.domain.entity.ProductLineEntity;
 import com.project.information.domain.param.ProductLineParam;
 import com.project.information.domain.service.GetTreeListProductLineDomainService;
+import com.project.information.domain.service.ProductLineBaseService;
 import com.project.information.domain.service.SaveProductLineDomainService;
 import com.project.information.domain.service.UpdateProductLineDomainService;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -20,6 +22,9 @@ public class ProductLineApplicationServiceImpl implements ProductLineApplication
     @Autowired
     private GetTreeListProductLineDomainService treeListProductLineDomainService;
 
+    @Autowired
+    private ProductLineBaseService productLineBaseService;
+
     @Autowired
     private UpdateProductLineDomainService updateProductLineDomainService;
     @Override
@@ -41,4 +46,14 @@ public class ProductLineApplicationServiceImpl implements ProductLineApplication
     public Result<String> delete(Long id) throws Exception {
         return updateProductLineDomainService.delete(id);
     }
+
+    @Override
+    public String searchLineNameById(Long subLineId) {
+       return productLineBaseService.lambdaQuery()
+                .eq(ProductLineEntity::getId , subLineId)
+                .select(ProductLineEntity::getName)
+                .oneOpt()
+                .map(ProductLineEntity::getName)
+                .orElse("");
+    }
 }
diff --git a/src/main/java/com/project/task/domain/service/impl/NotifyTaskDomainServiceImpl.java b/src/main/java/com/project/task/domain/service/impl/NotifyTaskDomainServiceImpl.java
index 4c4ff9e..1eaf4a3 100644
--- a/src/main/java/com/project/task/domain/service/impl/NotifyTaskDomainServiceImpl.java
+++ b/src/main/java/com/project/task/domain/service/impl/NotifyTaskDomainServiceImpl.java
@@ -10,8 +10,7 @@ import com.github.tingyugetc520.ali.dingtalk.bean.message.DtCorpConversationMsgS
 import com.github.tingyugetc520.ali.dingtalk.bean.message.DtMessage;
 import com.github.tingyugetc520.ali.dingtalk.error.DtErrorException;
 import com.project.ding.config.DingProperties;
-import com.project.information.domain.entity.ProductLineEntity;
-import com.project.information.domain.service.ProductLineBaseService;
+import com.project.information.application.ProductLineApplicationService;
 import com.project.task.domain.dto.TaskDTO;
 import com.project.task.domain.entity.TaskEntity;
 import com.project.task.domain.entity.TaskUserEntity;
@@ -39,7 +38,7 @@ public class NotifyTaskDomainServiceImpl implements NotifyTaskDomainService {
     @Autowired
     private DtService dtService;
     @Autowired
-    private ProductLineBaseService productLineBaseService;
+    private ProductLineApplicationService productLineApplicationService;
 
     @Autowired
     private DingProperties dingTalkProperties;
@@ -91,12 +90,7 @@ public class NotifyTaskDomainServiceImpl implements NotifyTaskDomainService {
         }
 
         //获取子产品线名称
-        String subLineName = productLineBaseService.lambdaQuery()
-                .eq(ProductLineEntity::getId , taskDTO.getSubLineId())
-                .select(ProductLineEntity::getName)
-                .oneOpt()
-                .map(ProductLineEntity::getName)
-                .orElse("");
+        String subLineName = productLineApplicationService.searchLineNameById(taskDTO.getSubLineId());
 
         StringBuilder markdown = new StringBuilder();
         markdown.append(String.format("### 【%s】已经<font color=#00b500>开始</font>，请按时完成\n\n" , taskDTO.getName()))
@@ -143,9 +137,13 @@ public class NotifyTaskDomainServiceImpl implements NotifyTaskDomainService {
         if (CollUtil.isEmpty(userIds)) {
             return;
         }
+
+        //获取子产品线名称
+        String subLineName = productLineApplicationService.searchLineNameById(taskDTO.getSubLineId());
+
         StringBuilder markdown = new StringBuilder();
         markdown.append(String.format("### 【%s】即将<font color=#FF0000>结束</font>，请按时完成\n\n" , taskDTO.getName()))
-                .append(String.format("产品线：%s\n\n" , taskDTO.getLineName()))
+                .append(String.format("产品线：%s\n\n" , subLineName))
                 .append(String.format("开考时间：%s\n\n" ,sdf.format(taskDTO.getStartTime())))
                 .append(String.format("截止时间：%s\n\n" , sdf.format(taskDTO.getEndTime())))
                 .append(String.format("注意事项：%s" , taskDTO.getNote()));
diff --git a/src/main/java/com/project/task/domain/service/impl/SearchTaskDomainServiceImpl.java b/src/main/java/com/project/task/domain/service/impl/SearchTaskDomainServiceImpl.java
index 5f93e32..3e7598e 100644
--- a/src/main/java/com/project/task/domain/service/impl/SearchTaskDomainServiceImpl.java
+++ b/src/main/java/com/project/task/domain/service/impl/SearchTaskDomainServiceImpl.java
@@ -10,6 +10,7 @@ import com.project.base.domain.result.Result;
 import com.project.base.domain.result.ResultCodeEnum;
 import com.project.base.domain.utils.PageConverter;
 import com.project.ding.domain.dto.UserDTO;
+import com.project.information.application.ProductLineApplicationService;
 import com.project.information.domain.entity.ProductLineEntity;
 import com.project.information.domain.service.ProductLineBaseService;
 import com.project.task.domain.dto.TaskDTO;
@@ -36,7 +37,7 @@ public class SearchTaskDomainServiceImpl implements SearchTaskDomainService {
     @Autowired
     private TaskUserBaseService taskUserBaseService;
     @Autowired
-    private ProductLineBaseService productLineBaseService;
+    private ProductLineApplicationService productLineApplicationService;
 
     @Override
     public Result<PageResult<TaskDTO>> search(TaskParam param) throws Exception {
@@ -87,12 +88,7 @@ public class SearchTaskDomainServiceImpl implements SearchTaskDomainService {
                 }).toList();
 
         //获取子产品线名称
-        String subLineName = productLineBaseService.lambdaQuery()
-                .eq(ProductLineEntity::getId , dto.getSubLineId())
-                .select(ProductLineEntity::getName)
-                .oneOpt()
-                .map(ProductLineEntity::getName)
-                .orElse("");
+        String subLineName = productLineApplicationService.searchLineNameById(dto.getSubLineId());
         dto.setSubLineName(subLineName);