diff --git a/pjcloud-integrated/pjcloud-integrated-biz/src/main/java/com/bsd/pjcloud/integrated/controller/MaintenanceOrderController.java b/pjcloud-integrated/pjcloud-integrated-biz/src/main/java/com/bsd/pjcloud/integrated/controller/MaintenanceOrderController.java
index 0b805a9e3..cd4b6a046 100644
--- a/pjcloud-integrated/pjcloud-integrated-biz/src/main/java/com/bsd/pjcloud/integrated/controller/MaintenanceOrderController.java
+++ b/pjcloud-integrated/pjcloud-integrated-biz/src/main/java/com/bsd/pjcloud/integrated/controller/MaintenanceOrderController.java
@@ -4,6 +4,7 @@ import cn.hutool.core.util.StrUtil;
 import cn.hutool.core.util.ArrayUtil;
 import cn.hutool.core.collection.CollUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.bsd.pjcloud.admin.api.feign.RemoteDictService;
@@ -24,7 +25,10 @@ import io.swagger.v3.oas.annotations.Operation;
 import lombok.RequiredArgsConstructor;
 import org.springframework.web.bind.annotation.*;
 import com.bsd.pjcloud.integrated.dto.MaintenanceOrderAppCreateDTO;
+import com.bsd.pjcloud.integrated.dto.MaintenanceOrderHandleDTO;
 import com.bsd.pjcloud.integrated.vo.maintenance.MaintenanceOrderScreenVo;
+import com.bsd.pjcloud.integrated.vo.maintenance.app.MaintenanceOrderAppDetailVo;
+import com.bsd.pjcloud.integrated.vo.maintenance.app.MaintenanceOrderAppListVo;
 import com.bsd.pjcloud.integrated.vo.MaintenanceTypeVO;
 import com.bsd.pjcloud.admin.api.entity.SysDictItem;
 
@@ -34,6 +38,7 @@ import java.util.HashMap;
 
 import java.util.List;
 import java.util.Objects;
+import java.time.LocalDateTime;
 
 /**
  * 维修工单主表
@@ -64,6 +69,7 @@ public class MaintenanceOrderController {
     public R getMaintenanceOrderPage(@ParameterObject Page page, @ParameterObject MaintenanceOrderEntity maintenanceOrder) {
         LambdaQueryWrapper<MaintenanceOrderEntity> wrapper = Wrappers.lambdaQuery();
 		wrapper.eq(StrUtil.isNotBlank(maintenanceOrder.getTitle()),MaintenanceOrderEntity::getTitle,maintenanceOrder.getTitle());
+        wrapper.orderByDesc(MaintenanceOrderEntity::getCreateTime);
         return R.ok(maintenanceOrderService.page(page, wrapper));
     }
 
@@ -158,13 +164,22 @@ public class MaintenanceOrderController {
      * @return R
      */
     @GetMapping("/app/my")
-    @Operation(summary = "App端-我的维修分页列表", description = "App端用户分页查询自己的维修单")
+    @Operation(summary = "App端-我的维修分页列表", description = "App端用户分页查询自己的维修单，按创建时间倒序")
 //    @PreAuthorize("@pms.hasPermission('integrated_maintenanceOrder_view')")
-    public R myMaintenanceOrders(@ParameterObject Page page) {
+    public R<IPage<MaintenanceOrderAppListVo>> myMaintenanceOrders(@ParameterObject Page page) {
         Long userId = SecurityUtils.getUser().getId();
         LambdaQueryWrapper<MaintenanceOrderEntity> wrapper = Wrappers.lambdaQuery();
         wrapper.eq(MaintenanceOrderEntity::getUserId, userId);
-        return R.ok(maintenanceOrderService.page(page, wrapper));
+        wrapper.orderByDesc(MaintenanceOrderEntity::getCreateTime); // 按创建时间倒序，最新的在第一条
+        
+        IPage<MaintenanceOrderEntity> entityPage = maintenanceOrderService.page(page, wrapper);
+        
+        // 转换为VO
+        IPage<MaintenanceOrderAppListVo> voPage = entityPage.convert(entity -> 
+            BeanUtils.toBean(entity, MaintenanceOrderAppListVo.class)
+        );
+        
+        return R.ok(voPage);
     }
 
     /**
@@ -173,15 +188,18 @@ public class MaintenanceOrderController {
      * @return R
      */
     @GetMapping("/app/my/{id}")
-    @Operation(summary = "App端-我的维修单详情", description = "App端用户查看自己维修单详情")
+    @Operation(summary = "App端-我的维修单详情", description = "App端用户查看自己维修单详情，包含处理说明和处理图片")
 //    @PreAuthorize("@pms.hasPermission('integrated_maintenanceOrder_view')")
-    public R myMaintenanceOrderDetail(@PathVariable("id") Long id) {
+    public R<MaintenanceOrderAppDetailVo> myMaintenanceOrderDetail(@PathVariable("id") Long id) {
         Long userId = SecurityUtils.getUser().getId();
         MaintenanceOrderEntity entity = maintenanceOrderService.getById(id);
         if (entity == null || !Objects.equals(entity.getUserId(), userId)) {
             return R.failed("无权查看该维修单");
         }
-        return R.ok(entity);
+        
+        // 转换为VO
+        MaintenanceOrderAppDetailVo vo = BeanUtils.toBean(entity, MaintenanceOrderAppDetailVo.class);
+        return R.ok(vo);
     }
 
     /**
@@ -233,4 +251,49 @@ public class MaintenanceOrderController {
         
         return R.ok(voList);
     }
+
+    /**
+     * 后台处理维修工单（支持填写处理情况和图片URL）
+     * @param dto 处理工单DTO
+     * @return R
+     */
+    @Operation(summary = "后台处理维修工单", description = "后台管理员处理工单，可填写处理说明和图片URL")
+    @SysLog("后台处理维修工单")
+    @PostMapping("/handle")
+    @PreAuthorize("@pms.hasPermission('integrated_maintenanceOrder_edit')")
+    public R handleMaintenanceOrder(@RequestBody MaintenanceOrderHandleDTO dto) {
+        // 查询工单
+        MaintenanceOrderEntity entity = maintenanceOrderService.getById(dto.getId());
+        if (entity == null) {
+            return R.failed("工单不存在");
+        }
+
+        // 更新工单信息
+        if (StrUtil.isNotBlank(dto.getHandleRemark())) {
+            entity.setHandleRemark(dto.getHandleRemark());
+        }
+        if (StrUtil.isNotBlank(dto.getHandlePicUrl())) {
+            // 如果已有图片，追加新图片（用逗号分隔）
+            String existingPics = entity.getHandlePicUrl();
+            if (StrUtil.isNotBlank(existingPics)) {
+                entity.setHandlePicUrl(existingPics + "," + dto.getHandlePicUrl());
+            } else {
+                entity.setHandlePicUrl(dto.getHandlePicUrl());
+            }
+        }
+        if (StrUtil.isNotBlank(dto.getStatus())) {
+            entity.setStatus(dto.getStatus());
+        }
+        
+        // 设置处理时间和处理人
+        entity.setHandleTime(LocalDateTime.now());
+        entity.setHandleBy(SecurityUtils.getUser().getUsername());
+
+        boolean success = maintenanceOrderService.updateById(entity);
+        if (success) {
+            return R.ok("工单处理成功");
+        } else {
+            return R.failed("工单处理失败");
+        }
+    }
 }
\ No newline at end of file
diff --git a/pjcloud-integrated/pjcloud-integrated-biz/src/main/java/com/bsd/pjcloud/integrated/entity/MaintenanceOrderEntity.java b/pjcloud-integrated/pjcloud-integrated-biz/src/main/java/com/bsd/pjcloud/integrated/entity/MaintenanceOrderEntity.java
index 891505653..be068136b 100644
--- a/pjcloud-integrated/pjcloud-integrated-biz/src/main/java/com/bsd/pjcloud/integrated/entity/MaintenanceOrderEntity.java
+++ b/pjcloud-integrated/pjcloud-integrated-biz/src/main/java/com/bsd/pjcloud/integrated/entity/MaintenanceOrderEntity.java
@@ -140,4 +140,28 @@ public class MaintenanceOrderEntity extends Model<MaintenanceOrderEntity> {
 	*/
 	@Schema(description="维修类型")
 	private Long maintainType;
+
+	/**
+	* 处理说明/回复内容
+	*/
+	@Schema(description="处理说明/回复内容")
+	private String handleRemark;
+
+	/**
+	* 处理图片（多个图片URL，逗号分隔）
+	*/
+	@Schema(description="处理图片（多个用逗号分隔）")
+	private String handlePicUrl;
+
+	/**
+	* 处理时间
+	*/
+	@Schema(description="处理时间")
+	private LocalDateTime handleTime;
+
+	/**
+	* 处理人
+	*/
+	@Schema(description="处理人")
+	private String handleBy;
 }
\ No newline at end of file
diff --git a/pjcloud-integrated/pjcloud-integrated-biz/src/main/resources/mapper/MaintenanceOrderMapper.xml b/pjcloud-integrated/pjcloud-integrated-biz/src/main/resources/mapper/MaintenanceOrderMapper.xml
index 227ef9a9d..899ad7504 100644
--- a/pjcloud-integrated/pjcloud-integrated-biz/src/main/resources/mapper/MaintenanceOrderMapper.xml
+++ b/pjcloud-integrated/pjcloud-integrated-biz/src/main/resources/mapper/MaintenanceOrderMapper.xml
@@ -22,5 +22,9 @@
         <result property="delFlag" column="del_flag"/>
         <result property="tenantId" column="tenant_id"/>
         <result property="maintainType" column="maintain_type"/>
+        <result property="handleRemark" column="handle_remark"/>
+        <result property="handlePicUrl" column="handle_pic_url"/>
+        <result property="handleTime" column="handle_time"/>
+        <result property="handleBy" column="handle_by"/>
   </resultMap>
 </mapper>
\ No newline at end of file