diff --git a/server/AyaNova/biz/ReportBiz.cs b/server/AyaNova/biz/ReportBiz.cs
index b5c5ff5b..bb783f50 100644
--- a/server/AyaNova/biz/ReportBiz.cs
+++ b/server/AyaNova/biz/ReportBiz.cs
@@ -815,13 +815,15 @@ namespace AyaNova.Biz
                     {
                         log.LogInformation($"Exception caught while rendering report \"{report.Name}\", report Page console log:");
                         log.LogInformation(PageLog.ToString());
-                        await JobsBiz.LogJobAsync(job.GId, $"{{\"rendererror\":{{\"pagelog\":\"{PageLog.ToString()}\",\"exception\":\"{ExceptionUtil.ExtractAllExceptionMessages(ex)}\"}}}}");
+                        var json = Newtonsoft.Json.JsonConvert.SerializeObject(new { renderError = new { pagelog = PageLog.ToString(), exception = ExceptionUtil.ExtractAllExceptionMessages(ex) } }, Newtonsoft.Json.Formatting.None);
+                        await JobsBiz.LogJobAsync(job.GId, json);
                     }
                     else
                     {
-                        await JobsBiz.LogJobAsync(job.GId, $"{{\"rendererror\":{{\"pagelog\":null,\"exception\":\"{ExceptionUtil.ExtractAllExceptionMessages(ex)}\"}}}}");                       
+                        var json = Newtonsoft.Json.JsonConvert.SerializeObject(new { renderError = new { exception = ExceptionUtil.ExtractAllExceptionMessages(ex) } }, Newtonsoft.Json.Formatting.None);
+                        await JobsBiz.LogJobAsync(job.GId, json);
                     }
-                    
+
                     await JobsBiz.UpdateJobStatusAsync(job.GId, JobStatus.Failed);
 
                     // var v=await page.GetContentAsync();//for debugging purposes
@@ -848,7 +850,9 @@ namespace AyaNova.Biz
             static async Task HandleTimeOut(OpsJob job, ILogger log, DataListReportRequest reportRequest, string userName)
             {
                 log.LogDebug($"Report render cancelled by user OR exceeded timeout setting of {ServerBootConfig.AYANOVA_REPORT_RENDERING_TIMEOUT} minutes, report id: {reportRequest.ReportId}, record count:{reportRequest.SelectedRowIds.LongLength}, user:{userName}");
-                await JobsBiz.LogJobAsync(job.GId, $"{{\"rendererror\":{{\"timeout\":\"true\",\"timeoutsetting\":\"{ServerBootConfig.AYANOVA_REPORT_RENDERING_TIMEOUT}\"}}}}");                   
+                var json = Newtonsoft.Json.JsonConvert.SerializeObject(new { renderError = new { timeout = true,timeoutsetting= ServerBootConfig.AYANOVA_REPORT_RENDERING_TIMEOUT} }, Newtonsoft.Json.Formatting.None);
+                await JobsBiz.LogJobAsync(job.GId, json);
+                
                 await JobsBiz.UpdateJobStatusAsync(job.GId, JobStatus.Failed);
             }
         }