diff --git a/src/main/java/com/xujie/sys/modules/erf/service/impl/ErfExpApplyServiceImpl.java b/src/main/java/com/xujie/sys/modules/erf/service/impl/ErfExpApplyServiceImpl.java
index f17a68f7..43a9e3ac 100644
--- a/src/main/java/com/xujie/sys/modules/erf/service/impl/ErfExpApplyServiceImpl.java
+++ b/src/main/java/com/xujie/sys/modules/erf/service/impl/ErfExpApplyServiceImpl.java
@@ -794,7 +794,27 @@ public class ErfExpApplyServiceImpl extends ServiceImpl<ErfExpApplyMapper, ErfEx
 
         // 特殊处理：如果当前是并发审批阶段，需要返回用户实际的审批节点
         if ("生产和质量经理审批".equals(currentNodeCode)) {
-            // 查询当前用户在该申请单中待审核的节点
+            // 工程实验申请管理员：不限定 assignee，取第一个待审核子节点代为审批
+            if (currentUserId != null) {
+                List<UserRoleDto> adminRoles =
+                        sysUserDao.getUserRolesByRoleNames(currentUserId, List.of("工程实验申请管理员"));
+                if (!adminRoles.isEmpty()) {
+                    QueryWrapper<ErfFlowNodeInstance> adminNodeQuery = new QueryWrapper<>();
+                    adminNodeQuery.eq("apply_no", applyNo)
+                                  .eq("status", "待审核")
+                                  .in("node_code", "生产经理审批", "质量经理审批")
+                                  .orderByAsc("node_code")
+                                  .last("OFFSET 0 ROWS FETCH NEXT 1 ROWS ONLY");
+                    ErfFlowNodeInstance adminNodeInstance = erfFlowNodeInstanceMapper.selectOne(adminNodeQuery);
+                    if (adminNodeInstance != null) {
+                        log.info("管理员用户{}代理审批，实际节点: {}", currentUserId, adminNodeInstance.getNodeCode());
+                        return adminNodeInstance.getNodeCode();
+                    }
+                    throw new XJException("未找到待审核的并发审批节点");
+                }
+            }
+
+            // 普通用户：查询当前用户在该申请单中待审核的节点
             QueryWrapper<ErfFlowNodeInstance> nodeQuery = new QueryWrapper<>();
             nodeQuery.eq("apply_no", applyNo)
                      .eq("assignee_user_id", currentUserId)