新增教练端，实现业务闭环：会员登录注册→查询团课→预约团课→扫码签到→教练端开课→记录实际开课时间→教练端结课→记录实际结课时间→后台查询数据

gym-manage-uniapp/pages/course-detail/course-detail.vue

@@ -233,10 +233,28 @@
 						let canBook = false
 						let btnText = '立即预约'
 
+						// 检查是否距离课程开始至少30分钟
+						const nowTime = new Date()
+						const minutesUntilStart = dt && !isNaN(dt) ? Math.round((dt - nowTime) / 60000) : 0
+						const isTooLate = minutesUntilStart < 30
+						const isPastStart = minutesUntilStart <= 0
+
 						if (statusStr === 0) {
-							canBook = !isFull
-							btnText = isFull ? '已约满' : '立即预约'
-							statusText = isFull ? '已约满' : ''
+							if (isPastStart) {
+								canBook = false
+								btnText = '课程已开始'
+								statusText = '课程已开始'
+							} else if (isTooLate) {
+								canBook = false
+								btnText = '需提前30分钟预约'
+							} else if (isFull) {
+								canBook = false
+								btnText = '已约满'
+								statusText = '已约满'
+							} else {
+								canBook = true
+								btnText = '立即预约'
+							}
 						} else if (statusStr === 1) {
 							statusText = '已取消'
 							statusClass = 'status-cancel'

gym-manage-uniapp/utils/request.js

@@ -44,7 +44,11 @@ http.interceptors.response.use(
     if (response.statusCode === 200) {
       return response.data
     }
-    return response
+    // 非200状态码：构造错误对象，确保 catch 块能正确读取 message
+    const error = new Error(response.data?.message || '请求失败')
+    error.statusCode = response.statusCode
+    error.data = response.data
+    return Promise.reject(error)
   },
   (error) => {
     // 401 处理：清除登录态，跳转登录页