diff --git a/src/main/java/com/example/building/entity/Customer.java b/src/main/java/com/example/building/entity/Customer.java
index 07a1f09..5384a25 100644
--- a/src/main/java/com/example/building/entity/Customer.java
+++ b/src/main/java/com/example/building/entity/Customer.java
@@ -66,6 +66,11 @@ 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;
 
diff --git a/src/main/java/com/example/building/service/impl/AuthServiceImpl.java b/src/main/java/com/example/building/service/impl/AuthServiceImpl.java
index 162d7f4..36075a6 100644
--- a/src/main/java/com/example/building/service/impl/AuthServiceImpl.java
+++ b/src/main/java/com/example/building/service/impl/AuthServiceImpl.java
@@ -32,6 +32,9 @@ public class AuthServiceImpl implements AuthService {
     @Autowired
     private CustomerMapper customerMapper;
 
+    @Autowired
+    private CustomerMapper customerMapper;
+
     @Autowired
     private JwtUtil jwtUtil;
 
diff --git a/src/main/java/com/example/building/service/impl/CustomerServiceImpl.java b/src/main/java/com/example/building/service/impl/CustomerServiceImpl.java
index e750e14..7f24301 100644
--- a/src/main/java/com/example/building/service/impl/CustomerServiceImpl.java
+++ b/src/main/java/com/example/building/service/impl/CustomerServiceImpl.java
@@ -34,6 +34,7 @@ public class CustomerServiceImpl implements CustomerService {
                     .like(Customer::getPhone, keyword);
         }
         wrapper.orderByDesc(Customer::getLastLoginAt);
+        wrapper.orderByDesc(Customer::getLastLoginAt);
         wrapper.orderByDesc(Customer::getCreatedAt);
         return customerMapper.selectPage(pageParam, wrapper);
     }