diff --git a/src/main/java/com/ruoyi/airline/controller/AirlineMarkerController.java b/src/main/java/com/ruoyi/airline/controller/AirlineMarkerController.java
index b0bf6b4..db45f87 100644
--- a/src/main/java/com/ruoyi/airline/controller/AirlineMarkerController.java
+++ b/src/main/java/com/ruoyi/airline/controller/AirlineMarkerController.java
@@ -91,4 +91,18 @@ public class AirlineMarkerController extends BaseController {
         dto.setUpdateBy(SecurityUtils.getUserId().toString());
         return toAjax(iAirlineMarkerService.deleteMarker(dto));
     }
+
+    /**
+     * 按照分组ID查询标注列表
+     *
+     * @param groupId 分组ID
+     * @return 标注列表
+     */
+    @GetMapping("/markerList/{groupId}")
+    @Operation(summary = "按照分组ID查询标注列表")
+    public AjaxResult selectMarkerListByGroupId(@PathVariable Long groupId) {
+        List<AirlineMarkerDTO> dtos = iAirlineMarkerService.selectMarkerListByGroupId(groupId);
+        List<AirlineMarkerVO> result = AirlineMarkerControllerConvert.fromList(dtos);
+        return success(result);
+    }
 }
diff --git a/src/main/java/com/ruoyi/airline/service/api/IAirlineMarkerService.java b/src/main/java/com/ruoyi/airline/service/api/IAirlineMarkerService.java
index 7cfb515..6170a53 100644
--- a/src/main/java/com/ruoyi/airline/service/api/IAirlineMarkerService.java
+++ b/src/main/java/com/ruoyi/airline/service/api/IAirlineMarkerService.java
@@ -20,4 +20,6 @@ public interface IAirlineMarkerService {
     List<AirlineMarkerDTO> selectMarkerList(AirlineMarkerDTO dto);
 
     AirlineMarkerDTO selectMarkerById(Long id);
+
+    List<AirlineMarkerDTO> selectMarkerListByGroupId(Long groupId);
 }
diff --git a/src/main/java/com/ruoyi/airline/service/impl/AirlineMarkerServiceImpl.java b/src/main/java/com/ruoyi/airline/service/impl/AirlineMarkerServiceImpl.java
index 75aa39c..2ce9e16 100644
--- a/src/main/java/com/ruoyi/airline/service/impl/AirlineMarkerServiceImpl.java
+++ b/src/main/java/com/ruoyi/airline/service/impl/AirlineMarkerServiceImpl.java
@@ -106,4 +106,24 @@ public class AirlineMarkerServiceImpl implements IAirlineMarkerService {
         
         return dto;
     }
+
+    @Override
+    public List<AirlineMarkerDTO> selectMarkerListByGroupId(Long groupId) {
+        // 通过分组ID查询标注ID列表
+        List<Long> markerIds = iAirlineMarkerGroupInfoService.selectMarkerIdsByGroupId(groupId);
+        
+        // 如果没有标注，返回空列表
+        if (markerIds == null || markerIds.isEmpty()) {
+            return java.util.Collections.emptyList();
+        }
+        
+        // 通过标注ID列表查询标注详情
+        List<AirlineMarker> markers = iAirlineMarkerDomain.selectMarkerListByIds(markerIds);
+        List<AirlineMarkerDTO> dtos = AirlineMarkerServiceConvert.fromList(markers);
+        
+        // 为每个标注设置分组ID
+        dtos.forEach(dto -> dto.setGroupId(groupId));
+        
+        return dtos;
+    }
 }