fix: 修复绑定微信二维码生成时未登录用户的异常提示

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application/Services/FuwuhaoService.cs

@@ -140,6 +140,11 @@ public class FuwuhaoService : ApplicationService
     [HttpPost("fuwuhao/qrcode")]
     public async Task<QrCodeOutput> GetQrCodeAsync([FromQuery] SceneTypeEnum sceneType)
     {
+        if (sceneType == SceneTypeEnum.Bind && CurrentUser.Id is null)
+        {
+            throw new UserFriendlyException("绑定微信，需登录用户，请重新登录后重试");
+        }
+
         //生成一个随机场景值
         var scene = Guid.NewGuid().ToString("N");
         var qrCodeUrl = await _fuwuhaoManager.CreateQrCodeAsync(scene);