优化日志输出，修复重试机制问题

cmd/tasks/main.go

@@ -89,6 +89,7 @@ func stopChannels(ctx context.Context, curr time.Time) error {
 		}
 		ids[i] = int32(id)
 	}
+	slog.Debug("stopChannels", slog.String("result", strings.Join(result, ",")))
 
 	// 删除过期的 channel
 	body, err := json.Marshal(map[string]any{
@@ -112,7 +113,9 @@ func stopChannels(ctx context.Context, curr time.Time) error {
 	if err != nil {
 		return err
 	}
-	defer resp.Body.Close()
+	defer func(Body io.ReadCloser) {
+		_ = Body.Close()
+	}(resp.Body)
 
 	if resp.StatusCode != http.StatusOK {
 		body, err := io.ReadAll(resp.Body)