增加编号，loading页提示，延迟毫秒

Assets/Scripts/Apis/ApiBase.cs

@@ -115,6 +115,7 @@ namespace Assets.Scripts.Apis
 #else
             defaultRequestHeaders.UserAgent.Add(new ProductInfoHeaderValue("Unity", ConfigHelper.AppVersion));
 #endif
+            defaultRequestHeaders.Add("deviceUniqueIdentifier", SystemInfo.deviceUniqueIdentifier);
         }
 
         protected async Task<byte[]> GetUrlAsync(string url)