diff --git a/src/main/java/com/petstore/controller/AppointmentController.java b/src/main/java/com/petstore/controller/AppointmentController.java
index 35da955..402b92e 100644
--- a/src/main/java/com/petstore/controller/AppointmentController.java
+++ b/src/main/java/com/petstore/controller/AppointmentController.java
@@ -18,7 +18,7 @@ public class AppointmentController {
     private final AppointmentService appointmentService;
 
     /**
-     * 门店某日可预约时段（半小时一档，医院挂号式占号）。
+     * 门店某日可预约时段（半小时一档，每档最多一单）。
      * date 格式：yyyy-MM-dd
      */
     @GetMapping("/available-slots")
diff --git a/src/main/java/com/petstore/service/AppointmentService.java b/src/main/java/com/petstore/service/AppointmentService.java
index 95ee193..e7440ea 100644
--- a/src/main/java/com/petstore/service/AppointmentService.java
+++ b/src/main/java/com/petstore/service/AppointmentService.java
@@ -71,7 +71,7 @@ public class AppointmentService {
     }
 
     /**
-     * 某门店某日：半小时挂号时段列表（已占用 / 已过 / 可约）。
+     * 某门店某日：半小时预约档列表（已占用 / 已过 / 可约）。
      */
     public Map<String, Object> availableSlots(Long storeId, LocalDate date) {
         if (storeId == null || date == null) {
diff --git a/src/main/java/com/petstore/service/AppointmentSlotSupport.java b/src/main/java/com/petstore/service/AppointmentSlotSupport.java
index e06e2c0..b1a97db 100644
--- a/src/main/java/com/petstore/service/AppointmentSlotSupport.java
+++ b/src/main/java/com/petstore/service/AppointmentSlotSupport.java
@@ -35,7 +35,7 @@ public final class AppointmentSlotSupport {
     }
 
     /**
-     * 在给定放号窗口内，生成某日所有半点起始时刻（含首尾）。
+     * 在给定可预约时间窗口内，生成某日所有半点起始时刻（含首尾）。
      */
     public static List<LocalDateTime> allSlotStartsOnDay(LocalDate date, StoreBookingWindow window) {
         List<LocalDateTime> list = new ArrayList<>();
diff --git a/src/main/java/com/petstore/service/StoreBookingWindow.java b/src/main/java/com/petstore/service/StoreBookingWindow.java
index 1912d72..7b4c1cd 100644
--- a/src/main/java/com/petstore/service/StoreBookingWindow.java
+++ b/src/main/java/com/petstore/service/StoreBookingWindow.java
@@ -5,7 +5,7 @@ import com.petstore.entity.Store;
 import java.time.LocalTime;
 
 /**
- * 门店可预约放号窗口（半小时一档的首末时刻）。
+ * 门店线上可预约时间窗口（半小时一档的首末时刻）。
  */
 public record StoreBookingWindow(LocalTime dayStart, LocalTime lastSlotStart) {