diff --git a/src/main/java/com/ruoyi/airline/controller/convert/AirlineMarkerControllerConvert.java b/src/main/java/com/ruoyi/airline/controller/convert/AirlineMarkerControllerConvert.java
index 71e40a4..e08efbd 100644
--- a/src/main/java/com/ruoyi/airline/controller/convert/AirlineMarkerControllerConvert.java
+++ b/src/main/java/com/ruoyi/airline/controller/convert/AirlineMarkerControllerConvert.java
@@ -7,6 +7,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.util.List;
+import java.util.stream.Collectors;
 
 /**
  * 标注Controller转换类
@@ -24,23 +25,19 @@ public class AirlineMarkerControllerConvert extends BaseConvert<AirlineMarkerDTO
         super(AirlineMarkerDTO.class, AirlineMarkerVO.class);
     }
 
-    public static AirlineMarkerVO from(AirlineMarkerDTO dto)
-    {
+    public static AirlineMarkerVO from(AirlineMarkerDTO dto) {
        return INSTANCE.innerFrom(dto);
     }
 
-    public static AirlineMarkerDTO to(AirlineMarkerVO vo)
-    {
+    public static AirlineMarkerDTO to(AirlineMarkerVO vo) {
         return INSTANCE.innerTo(vo);
     }
 
-    public static List<AirlineMarkerVO> fromList(List<AirlineMarkerDTO> dtoList)
-    {
+    public static List<AirlineMarkerVO> fromList(List<AirlineMarkerDTO> dtoList) {
         return INSTANCE.innerFromList(dtoList);
     }
 
-    public static List<AirlineMarkerDTO> toList(List<AirlineMarkerVO> voList)
-    {
+    public static List<AirlineMarkerDTO> toList(List<AirlineMarkerVO> voList) {
         return INSTANCE.innerToList(voList);
     }
 
@@ -57,7 +54,20 @@ public class AirlineMarkerControllerConvert extends BaseConvert<AirlineMarkerDTO
         vo.setColor(dto.getColor());
         vo.setIcon(dto.getIcon());
         vo.setFontSize(dto.getFontSize());
-        vo.setCoordinates(dto.getCoordinates());
+        
+        // 转换coordinates
+        if (dto.getCoordinates() != null) {
+            vo.setCoordinates(dto.getCoordinates().stream()
+                    .map(point -> {
+                        AirlineMarkerVO.PointInfo voPoint = new AirlineMarkerVO.PointInfo();
+                        voPoint.setLatitude(point.getLatitude());
+                        voPoint.setLongitude(point.getLongitude());
+                        voPoint.setAsl(point.getAsl());
+                        return voPoint;
+                    })
+                    .collect(Collectors.toList()));
+        }
+        
         vo.setDescription(dto.getDescription());
         vo.setGroupId(dto.getGroupId());
         vo.setCreateBy(dto.getCreateBy());
@@ -80,7 +90,20 @@ public class AirlineMarkerControllerConvert extends BaseConvert<AirlineMarkerDTO
         dto.setColor(vo.getColor());
         dto.setIcon(vo.getIcon());
         dto.setFontSize(vo.getFontSize());
-        dto.setCoordinates(vo.getCoordinates());
+        
+        // 转换coordinates
+        if (vo.getCoordinates() != null) {
+            dto.setCoordinates(vo.getCoordinates().stream()
+                    .map(point -> {
+                        AirlineMarkerDTO.PointInfo dtoPoint = new AirlineMarkerDTO.PointInfo();
+                        dtoPoint.setLatitude(point.getLatitude());
+                        dtoPoint.setLongitude(point.getLongitude());
+                        dtoPoint.setAsl(point.getAsl());
+                        return dtoPoint;
+                    })
+                    .collect(Collectors.toList()));
+        }
+        
         dto.setDescription(vo.getDescription());
         dto.setGroupId(vo.getGroupId());
         dto.setCreateBy(vo.getCreateBy());
diff --git a/src/main/java/com/ruoyi/airline/domain/convert/AirlineMarkerDomainConvert.java b/src/main/java/com/ruoyi/airline/domain/convert/AirlineMarkerDomainConvert.java
index 77b966d..1c6e11c 100644
--- a/src/main/java/com/ruoyi/airline/domain/convert/AirlineMarkerDomainConvert.java
+++ b/src/main/java/com/ruoyi/airline/domain/convert/AirlineMarkerDomainConvert.java
@@ -1,5 +1,7 @@
 package com.ruoyi.airline.domain.convert;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.ruoyi.common.core.utils.BaseConvert;
 import com.ruoyi.airline.domain.model.AirlineMarker;
 import com.ruoyi.airline.mapper.entity.AirlineMarkerEntity;
@@ -15,28 +17,25 @@ import java.util.List;
 public class AirlineMarkerDomainConvert extends BaseConvert<AirlineMarkerEntity, AirlineMarker>
 {
     private static final AirlineMarkerDomainConvert INSTANCE = new AirlineMarkerDomainConvert();
+    private static final ObjectMapper objectMapper = new ObjectMapper();
 
     private AirlineMarkerDomainConvert() {
         super(AirlineMarkerEntity.class, AirlineMarker.class);
     }
 
-    public static AirlineMarker from(AirlineMarkerEntity entity)
-    {
+    public static AirlineMarker from(AirlineMarkerEntity entity) {
        return INSTANCE.innerFrom(entity);
     }
 
-    public static AirlineMarkerEntity to(AirlineMarker model)
-    {
+    public static AirlineMarkerEntity to(AirlineMarker model) {
         return INSTANCE.innerTo(model);
     }
 
-    public static List<AirlineMarker> fromList(List<AirlineMarkerEntity> entityList)
-    {
+    public static List<AirlineMarker> fromList(List<AirlineMarkerEntity> entityList) {
         return INSTANCE.innerFromList(entityList);
     }
 
-    public static List<AirlineMarkerEntity> toList(List<AirlineMarker> modelList)
-    {
+    public static List<AirlineMarkerEntity> toList(List<AirlineMarker> modelList) {
         return INSTANCE.innerToList(modelList);
     }
 
@@ -53,7 +52,16 @@ public class AirlineMarkerDomainConvert extends BaseConvert<AirlineMarkerEntity,
         model.setColor(entity.getColor());
         model.setIcon(entity.getIcon());
         model.setFontSize(entity.getFontSize());
-        model.setCoordinates(entity.getCoordinates());
+        
+        // 从JSON字符串转换为List<PointInfo>
+        if (entity.getCoordinates() != null) {
+            try {
+                model.setCoordinates(objectMapper.readValue(entity.getCoordinates(), objectMapper.getTypeFactory().constructCollectionType(List.class, AirlineMarker.PointInfo.class)));
+            } catch (JsonProcessingException e) {
+                e.printStackTrace();
+            }
+        }
+        
         model.setDescription(entity.getDescription());
         model.setCreateBy(entity.getCreateBy());
         model.setCreateTime(entity.getCreateTime());
@@ -76,7 +84,16 @@ public class AirlineMarkerDomainConvert extends BaseConvert<AirlineMarkerEntity,
         entity.setColor(model.getColor());
         entity.setIcon(model.getIcon());
         entity.setFontSize(model.getFontSize());
-        entity.setCoordinates(model.getCoordinates());
+        
+        // 从List<PointInfo>转换为JSON字符串
+        if (model.getCoordinates() != null) {
+            try {
+                entity.setCoordinates(objectMapper.writeValueAsString(model.getCoordinates()));
+            } catch (JsonProcessingException e) {
+                e.printStackTrace();
+            }
+        }
+        
         entity.setDescription(model.getDescription());
         entity.setCreateBy(model.getCreateBy());
         entity.setCreateTime(model.getCreateTime());
diff --git a/src/main/java/com/ruoyi/airline/domain/model/AirlineMarker.java b/src/main/java/com/ruoyi/airline/domain/model/AirlineMarker.java
index 4469311..d48657d 100644
--- a/src/main/java/com/ruoyi/airline/domain/model/AirlineMarker.java
+++ b/src/main/java/com/ruoyi/airline/domain/model/AirlineMarker.java
@@ -6,6 +6,8 @@ import lombok.EqualsAndHashCode;
 import org.apache.commons.lang3.builder.ToStringBuilder;
 import org.apache.commons.lang3.builder.ToStringStyle;
 
+import java.util.List;
+
 /**
  * 标注
  *
@@ -52,7 +54,7 @@ public class AirlineMarker extends ExBaseEntity {
     /**
      * 经纬度，格式：[经,纬,asl高度]
      */
-    private String coordinates;
+    private List<PointInfo> coordinates;
 
     /**
      * 简介
@@ -64,6 +66,24 @@ public class AirlineMarker extends ExBaseEntity {
      */
     private String remark;
 
+    @Data
+    public static class PointInfo {
+        /**
+         * 纬度
+         */
+        private Double latitude;
+
+        /**
+         * 经度
+         */
+        private Double longitude;
+
+        /**
+         * 海拔高度
+         */
+        private Double asl;
+    }
+
     @Override
     public String toString() {
         return new ToStringBuilder(this, ToStringStyle.MULTI_LINE_STYLE)
diff --git a/src/main/java/com/ruoyi/airline/service/convert/AirlineMarkerServiceConvert.java b/src/main/java/com/ruoyi/airline/service/convert/AirlineMarkerServiceConvert.java
index 97e1877..d21dba8 100644
--- a/src/main/java/com/ruoyi/airline/service/convert/AirlineMarkerServiceConvert.java
+++ b/src/main/java/com/ruoyi/airline/service/convert/AirlineMarkerServiceConvert.java
@@ -5,6 +5,7 @@ import com.ruoyi.airline.domain.model.AirlineMarker;
 import com.ruoyi.airline.service.dto.AirlineMarkerDTO;
 
 import java.util.List;
+import java.util.stream.Collectors;
 
 /**
  * 标注Service转换类
@@ -21,23 +22,19 @@ public class AirlineMarkerServiceConvert extends BaseConvert<AirlineMarker, Airl
         super(AirlineMarker.class, AirlineMarkerDTO.class);
     }
 
-    public static AirlineMarkerDTO from(AirlineMarker model)
-    {
+    public static AirlineMarkerDTO from(AirlineMarker model) {
        return INSTANCE.innerFrom(model);
     }
 
-    public static AirlineMarker to(AirlineMarkerDTO dto)
-    {
+    public static AirlineMarker to(AirlineMarkerDTO dto) {
         return INSTANCE.innerTo(dto);
     }
 
-    public static List<AirlineMarkerDTO> fromList(List<AirlineMarker> modelList)
-    {
+    public static List<AirlineMarkerDTO> fromList(List<AirlineMarker> modelList) {
         return INSTANCE.innerFromList(modelList);
     }
 
-    public static List<AirlineMarker> toList(List<AirlineMarkerDTO> dtoList)
-    {
+    public static List<AirlineMarker> toList(List<AirlineMarkerDTO> dtoList) {
         return INSTANCE.innerToList(dtoList);
     }
 
@@ -54,7 +51,20 @@ public class AirlineMarkerServiceConvert extends BaseConvert<AirlineMarker, Airl
         dto.setColor(model.getColor());
         dto.setIcon(model.getIcon());
         dto.setFontSize(model.getFontSize());
-        dto.setCoordinates(model.getCoordinates());
+        
+        // 转换coordinates
+        if (model.getCoordinates() != null) {
+            dto.setCoordinates(model.getCoordinates().stream()
+                    .map(point -> {
+                        AirlineMarkerDTO.PointInfo dtoPoint = new AirlineMarkerDTO.PointInfo();
+                        dtoPoint.setLatitude(point.getLatitude());
+                        dtoPoint.setLongitude(point.getLongitude());
+                        dtoPoint.setAsl(point.getAsl());
+                        return dtoPoint;
+                    })
+                    .collect(Collectors.toList()));
+        }
+        
         dto.setDescription(model.getDescription());
         dto.setCreateBy(model.getCreateBy());
         dto.setCreateTime(model.getCreateTime());
@@ -76,7 +86,20 @@ public class AirlineMarkerServiceConvert extends BaseConvert<AirlineMarker, Airl
         model.setColor(dto.getColor());
         model.setIcon(dto.getIcon());
         model.setFontSize(dto.getFontSize());
-        model.setCoordinates(dto.getCoordinates());
+        
+        // 转换coordinates
+        if (dto.getCoordinates() != null) {
+            model.setCoordinates(dto.getCoordinates().stream()
+                    .map(point -> {
+                        AirlineMarker.PointInfo modelPoint = new AirlineMarker.PointInfo();
+                        modelPoint.setLatitude(point.getLatitude());
+                        modelPoint.setLongitude(point.getLongitude());
+                        modelPoint.setAsl(point.getAsl());
+                        return modelPoint;
+                    })
+                    .collect(Collectors.toList()));
+        }
+        
         model.setDescription(dto.getDescription());
         model.setCreateBy(dto.getCreateBy());
         model.setCreateTime(dto.getCreateTime());
diff --git a/src/main/java/com/ruoyi/airline/service/dto/AirlineMarkerDTO.java b/src/main/java/com/ruoyi/airline/service/dto/AirlineMarkerDTO.java
index 57efbeb..5c57139 100644
--- a/src/main/java/com/ruoyi/airline/service/dto/AirlineMarkerDTO.java
+++ b/src/main/java/com/ruoyi/airline/service/dto/AirlineMarkerDTO.java
@@ -6,6 +6,8 @@ import lombok.EqualsAndHashCode;
 import org.apache.commons.lang3.builder.ToStringBuilder;
 import org.apache.commons.lang3.builder.ToStringStyle;
 
+import java.util.List;
+
 /**
  * 标注表 airline_marker
  *
@@ -52,7 +54,7 @@ public class AirlineMarkerDTO extends BaseEntity {
     /**
      * 经纬度，格式：[经,纬,asl高度]
      */
-    private String coordinates;
+    private List<PointInfo> coordinates;
 
     /**
      * 简介
@@ -64,6 +66,24 @@ public class AirlineMarkerDTO extends BaseEntity {
      */
     private Long groupId;
 
+    @Data
+    public static class PointInfo {
+        /**
+         * 纬度
+         */
+        private Double latitude;
+
+        /**
+         * 经度
+         */
+        private Double longitude;
+
+        /**
+         * 海拔高度
+         */
+        private Double asl;
+    }
+
     @Override
     public String toString() {
         return new ToStringBuilder(this, ToStringStyle.MULTI_LINE_STYLE)