refactor(api): 优化抖音API请求重试机制和客户端配置

- 实现了抖音API请求失败时的自动重试逻辑，间隔100毫秒
- 添加了上下文取消支持，避免无限重试
- 将HTTP客户端改为全局变量，提升性能和连接复用
- 前端上传线程数限制从100调整为500
- 更新类型声明以符合最新Go语言规范

internal/api/api.go

@@ -64,7 +64,19 @@ func UploadDataToServer(ctx context.Context, data string) error {
 	secUserId := strings.Split(data, "----")[1]
 	hasVideo, err := CheckHasVideo(secUserId)
 	if err != nil {
-		return err
+		for err != nil {
+			fmt.Println("抖音请求api重试")
+			//定时器定时100毫秒
+			ticker := time.NewTicker(100 * time.Millisecond)
+
+			select {
+			case <-ctx.Done():
+				return err
+			case <-ticker.C:
+				ticker.Stop()
+				hasVideo, err = CheckHasVideo(secUserId)
+			}
+		}
 	}
 	if hasVideo {
 		params.Set("token", config.APPConfig.HasVideoToken)
@@ -97,8 +109,9 @@ func UploadDataToServer(ctx context.Context, data string) error {
 	return err
 }
 
+var douYinClient = &http.Client{}
+
 func CheckHasVideo(secUserId string) (bool, error) {
-	client := &http.Client{}
 	req, err := http.NewRequest(
 		"GET",
 		"https://imdesktop.douyin.com/aweme/v1/web/user/profile/other/?sec_user_id="+secUserId,
@@ -114,7 +127,7 @@ func CheckHasVideo(secUserId string) (bool, error) {
 	req.Header.Add("Host", "imdesktop.douyin.com")
 	req.Header.Add("Connection", "keep-alive")
 
-	res, err := client.Do(req)
+	res, err := douYinClient.Do(req)
 	if err != nil {
 		fmt.Println(err)
 		return false, err