diff --git a/src/main/java/github/benjamin/equipreservebackend/controller/ApprovalController.java b/src/main/java/github/benjamin/equipreservebackend/controller/ApprovalController.java
index a4b13ae..0c3266c 100644
--- a/src/main/java/github/benjamin/equipreservebackend/controller/ApprovalController.java
+++ b/src/main/java/github/benjamin/equipreservebackend/controller/ApprovalController.java
@@ -18,8 +18,8 @@ public class ApprovalController {
 
     private final ApprovalService approvalService;
 
-    @PreAuthorize("hasRole('LEADER')")
-    @PostMapping("/leader")
+    @PreAuthorize("hasAnyRole('LEADER', 'DEVICE_ADMIN')")
+    @PostMapping
     public ResponseResult<?> addApproval(@RequestBody LeaderApprovalDTO dto) {
         approvalService.addApproval(dto);
         return ResponseResult.success();
diff --git a/src/main/java/github/benjamin/equipreservebackend/controller/ReservationController.java b/src/main/java/github/benjamin/equipreservebackend/controller/ReservationController.java
index 694dd4f..15ac33b 100644
--- a/src/main/java/github/benjamin/equipreservebackend/controller/ReservationController.java
+++ b/src/main/java/github/benjamin/equipreservebackend/controller/ReservationController.java
@@ -34,9 +34,9 @@ public class ReservationController {
         return ResponseResult.success(res);
     }
 
-    @PreAuthorize("hasRole('LEADER')")
-    @GetMapping("/leader/{id}")
-    public ResponseResult<Page<ReservationVO>> getLeaderReservation(@PathVariable("id") Long id,
+    @PreAuthorize("hasAnyRole('LEADER', 'DEVICE_ADMIN')")
+    @GetMapping("/approval/{id}")
+    public ResponseResult<Page<ReservationVO>> getReservation(@PathVariable("id") Long id,
                                                                     @RequestParam(defaultValue = "1") Integer page,
                                                                     @RequestParam(defaultValue = "10") Integer size) {
         return ResponseResult.success(reservationService.getReservationVO(id, page, size));
diff --git a/src/main/java/github/benjamin/equipreservebackend/dto/LeaderApprovalDTO.java b/src/main/java/github/benjamin/equipreservebackend/dto/LeaderApprovalDTO.java
index d96d8d4..f385e5d 100644
--- a/src/main/java/github/benjamin/equipreservebackend/dto/LeaderApprovalDTO.java
+++ b/src/main/java/github/benjamin/equipreservebackend/dto/LeaderApprovalDTO.java
@@ -5,8 +5,9 @@ import lombok.Data;
 @Data
 public class LeaderApprovalDTO {
 
-    private Long leaderId;
+    private Long userId;
     private Long reservationId;
     private Boolean isApprove;
+    private Boolean needAssist;
 
 }
diff --git a/src/main/java/github/benjamin/equipreservebackend/service/impl/ApprovalServiceImpl.java b/src/main/java/github/benjamin/equipreservebackend/service/impl/ApprovalServiceImpl.java
index 1754488..e114229 100644
--- a/src/main/java/github/benjamin/equipreservebackend/service/impl/ApprovalServiceImpl.java
+++ b/src/main/java/github/benjamin/equipreservebackend/service/impl/ApprovalServiceImpl.java
@@ -9,13 +9,18 @@ import github.benjamin.equipreservebackend.constant.ReservationStatus;
 import github.benjamin.equipreservebackend.dto.LeaderApprovalDTO;
 import github.benjamin.equipreservebackend.entity.Approval;
 import github.benjamin.equipreservebackend.entity.Reservation;
+import github.benjamin.equipreservebackend.entity.Role;
+import github.benjamin.equipreservebackend.exception.ApiException;
 import github.benjamin.equipreservebackend.mapper.ApprovalMapper;
 import github.benjamin.equipreservebackend.mapper.ReservationMapper;
+import github.benjamin.equipreservebackend.mapper.RoleMapper;
 import github.benjamin.equipreservebackend.service.ApprovalService;
 import github.benjamin.equipreservebackend.vo.LeaderApprovalVO;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
+
 @Service
 @RequiredArgsConstructor
 public class ApprovalServiceImpl implements ApprovalService {
@@ -24,18 +29,36 @@ public class ApprovalServiceImpl implements ApprovalService {
 
     private final ReservationMapper reservationMapper;
 
+    private final RoleMapper roleMapper;
+
     @Override
     public void addApproval(LeaderApprovalDTO dto) {
+        List<Role> userRoles = roleMapper.selectRoleByUserId(dto.getUserId());
+        final ApprovalStep step;
+        final ReservationStatus status;
+        if (userRoles.stream().anyMatch(r -> r.getCode().equals("LEADER"))) {
+            step = ApprovalStep.LEADER;
+            status = dto.getIsApprove() ? ReservationStatus.APPROVED : ReservationStatus.REJECTED;
+        } else if (userRoles.stream().anyMatch(r -> r.getCode().equals("DEVICE_ADMIN"))){
+            step = ApprovalStep.DEVICE_ADMIN;
+            if (dto.getIsApprove()) {
+                status = dto.getNeedAssist() ? ReservationStatus.APPROVED_ASSIST : ReservationStatus.APPROVED;
+            } else {
+                status = ReservationStatus.REJECTED;
+            }
+        } else {
+            throw new ApiException("用户角色不匹配，请核对或联系开发人员");
+        }
         Approval approval = Approval.builder()
-                .approverId(dto.getLeaderId())
+                .approverId(dto.getUserId())
                 .reservationId(dto.getReservationId())
-                .step(ApprovalStep.LEADER.getStep())
+                .step(step.getStep())
                 .decision(dto.getIsApprove() ? 1 : 0)
                 .build();
         approvalMapper.insert(approval);
         reservationMapper.update(new LambdaUpdateWrapper<Reservation>()
                 .eq(Reservation::getId, dto.getReservationId())
-                .set(Reservation::getStatus, dto.getIsApprove() ? ReservationStatus.PENDING_DEVICE_ADMIN : ReservationStatus.REJECTED));
+                .set(Reservation::getStatus, status));
     }
 
     @Override
diff --git a/src/main/java/github/benjamin/equipreservebackend/service/impl/ReservationServiceImpl.java b/src/main/java/github/benjamin/equipreservebackend/service/impl/ReservationServiceImpl.java
index d79cebf..6292970 100644
--- a/src/main/java/github/benjamin/equipreservebackend/service/impl/ReservationServiceImpl.java
+++ b/src/main/java/github/benjamin/equipreservebackend/service/impl/ReservationServiceImpl.java
@@ -3,14 +3,9 @@ package github.benjamin.equipreservebackend.service.impl;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import github.benjamin.equipreservebackend.constant.ReservationStatus;
-import github.benjamin.equipreservebackend.entity.Device;
-import github.benjamin.equipreservebackend.entity.Reservation;
-import github.benjamin.equipreservebackend.entity.Team;
-import github.benjamin.equipreservebackend.entity.User;
-import github.benjamin.equipreservebackend.mapper.DeviceMapper;
-import github.benjamin.equipreservebackend.mapper.ReservationMapper;
-import github.benjamin.equipreservebackend.mapper.TeamMapper;
-import github.benjamin.equipreservebackend.mapper.UserMapper;
+import github.benjamin.equipreservebackend.entity.*;
+import github.benjamin.equipreservebackend.exception.ApiException;
+import github.benjamin.equipreservebackend.mapper.*;
 import github.benjamin.equipreservebackend.service.ReservationService;
 import github.benjamin.equipreservebackend.utils.PageUtil;
 import github.benjamin.equipreservebackend.vo.ReservationVO;
@@ -39,6 +34,8 @@ public class ReservationServiceImpl implements ReservationService {
 
     private final TeamMapper teamMapper;
 
+    private final RoleMapper roleMapper;
+
     /**
      * 未来days天内有预约的设备显示为“有预约”
      */
@@ -128,11 +125,21 @@ public class ReservationServiceImpl implements ReservationService {
         List<Device> devices = deviceMapper.selectList(new LambdaQueryWrapper<Device>()
                 .eq(Device::getTeamId, user.getTeamId())
                 .select());
+        List<Role> userRole = roleMapper.selectRoleByUserId(userId);
+        ReservationStatus status;
+        if (userRole.stream().anyMatch(r -> r.getCode().equals("LEADER"))) {
+            status = ReservationStatus.PENDING_LEADER;
+        } else if (userRole.stream().anyMatch(r -> r.getCode().equals("DEVICE_ADMIN"))) {
+            status = ReservationStatus.PENDING_DEVICE_ADMIN;
+        } else {
+            throw new ApiException("用户角色不正确，请检查或联系开发人员");
+        }
+
         List<Long> deviceIds = devices.stream().map(Device::getId).toList();
         Map<Long, Device> deviceMap = devices.stream().collect(Collectors.toMap(Device::getId, Function.identity()));
         Page<Reservation> reservationPage = reservationMapper.selectPage(new Page<>(page, size), new LambdaQueryWrapper<Reservation>()
                 .in(Reservation::getDeviceId, deviceIds)
-                .eq(Reservation::getStatus, ReservationStatus.PENDING_LEADER)
+                .eq(Reservation::getStatus, status)
                 .orderByDesc(Reservation::getCreatedTime));
         Page<ReservationVO> res = PageUtil.copyPage(reservationPage);
         res.setRecords(reservationPage.getRecords().stream()