完善业务闭环，实现对轮播图的管理，优化数据库表文件

gym-manage-uniapp/pages/my-courses/my-courses.vue

@@ -179,9 +179,15 @@
 						if (!res.confirm) return
 						this.cancelling = item.id
 						try {
-							await bookingApi.cancelBooking(item.id)
+							const memberInfo = store.getMemberInfo()
+							const memberId = memberInfo ? (memberInfo.memberId || memberInfo.id) : null
+							if (!memberId) {
+								uni.showToast({ title: '请先登录', icon: 'none' })
+								return
+							}
+							await bookingApi.cancelBooking(item.id, memberId)
+							await this.loadBookings()
 							uni.showToast({ title: '已取消', icon: 'success' })
-							this.loadBookings()
 						} catch (e) {
 							console.error('取消预约失败:', e)
 							const msg = (e.data && e.data.message) || '取消失败，请重试'
@@ -245,8 +251,8 @@
 						return
 					}
 					await bookingApi.signIn(Number(scannedCourseId), memberId)
+					await this.loadBookings()
 					uni.showToast({ title: '签到成功', icon: 'success' })
-					this.loadBookings()
 				} catch (e) {
 					console.error('签到失败:', e)
 					const msg = (e.data && e.data.message) || '签到失败，请重试'