diff --git a/src/main/java/com/example/building/controller/OrderController.java b/src/main/java/com/example/building/controller/OrderController.java
index 2e37418..891f824 100644
--- a/src/main/java/com/example/building/controller/OrderController.java
+++ b/src/main/java/com/example/building/controller/OrderController.java
@@ -9,8 +9,6 @@ import com.example.building.service.SystemConfigService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
-import static java.lang.String.defaultString;
-
 import java.util.Map;
 
 /**
@@ -39,7 +37,7 @@ public class OrderController {
     public Result<Order> createOrder(@RequestBody CreateOrderRequest request,
                                      @RequestHeader("X-User-Id") String operatorId,
                                      @RequestHeader("X-Username") String operatorName,
-                                     @RequestHeader(value = "X-User-Role", required = defaultString) String role) {
+                                     @RequestHeader(value = "X-User-Role", required = false) String role) {
         // 顾客角色不允许创建订单
         if ("customer".equals(role)) {
             return Result.error("顾客账号不允许创建订单，请联系销售人员");
@@ -59,7 +57,7 @@ public class OrderController {
             @RequestParam(required = false) String endDate,
             @RequestParam(defaultValue = "1") Integer page,
             @RequestParam(defaultValue = "20") Integer pageSize,
-            @RequestHeader(value = "X-User-Role", required = defaultString) String role) {
+            @RequestHeader(value = "X-User-Role", required = false) String role) {
         
         // 顾客角色：限制时间范围
         if ("customer".equals(role) && startDate == null) {
@@ -76,7 +74,7 @@ public class OrderController {
     @GetMapping("/{id}")
     public Result<Map<String, Object>> getOrderDetail(@PathVariable String id,
                                                        @RequestHeader("X-User-Id") String userId,
-                                                       @RequestHeader(value = "X-User-Role", required = defaultString) String role) {
+                                                       @RequestHeader(value = "X-User-Role", required = false) String role) {
         return Result.success(orderService.getOrderDetail(id, userId, role));
     }
 
@@ -86,7 +84,7 @@ public class OrderController {
     @PutMapping("/{id}/cancel")
     public Result<Void> cancelOrder(@PathVariable String id,
                                     @RequestHeader("X-User-Id") String operatorId,
-                                    @RequestHeader(value = "X-User-Role", required = defaultString) String role) {
+                                    @RequestHeader(value = "X-User-Role", required = false) String role) {
         // 顾客不能取消订单
         if ("customer".equals(role)) {
             return Result.error("顾客账号不允许取消订单");
@@ -101,7 +99,7 @@ public class OrderController {
     @PutMapping("/{id}/refund")
     public Result<Void> refundOrder(@PathVariable String id,
                                    @RequestHeader("X-User-Id") String operatorId,
-                                   @RequestHeader(value = "X-User-Role", required = defaultString) String role) {
+                                   @RequestHeader(value = "X-User-Role", required = false) String role) {
         // 顾客不能退款
         if ("customer".equals(role)) {
             return Result.error("顾客账号不允许退款操作");
@@ -117,7 +115,7 @@ public class OrderController {
     public Result<Map<String, Object>> getStatistics(
             @RequestParam(required = false) String startDate,
             @RequestParam(required = false) String endDate,
-            @RequestHeader(value = "X-User-Role", required = defaultString) String role) {
+            @RequestHeader(value = "X-User-Role", required = false) String role) {
         // 顾客不能查看统计
         if ("customer".equals(role)) {
             return Result.error("顾客账号不允许查看统计");
diff --git a/src/main/java/com/example/building/entity/Customer.java b/src/main/java/com/example/building/entity/Customer.java
index 5384a25..07a1f09 100644
--- a/src/main/java/com/example/building/entity/Customer.java
+++ b/src/main/java/com/example/building/entity/Customer.java
@@ -66,11 +66,6 @@ public class Customer {
      */
     private LocalDateTime lastLoginAt;
 
-    /**
-     * 最后登录时间（用于订单客户排序）
-     */
-    private LocalDateTime lastLoginAt;
-
     @TableField(fill = FieldFill.INSERT)
     private LocalDateTime createdAt;