diff --git a/Models/eva_create_evaluation_detail_status/eva_create_evaluation_detail_statusService.cs b/Models/eva_create_evaluation_detail_status/eva_create_evaluation_detail_statusService.cs
index 70ddb8f..8f2ab33 100644
--- a/Models/eva_create_evaluation_detail_status/eva_create_evaluation_detail_statusService.cs
+++ b/Models/eva_create_evaluation_detail_status/eva_create_evaluation_detail_statusService.cs
@@ -344,7 +344,7 @@ values('{Guid.NewGuid().ToString()}','App\Notifications\WorkflowNotification','A
             d.url = noti_url;
 
             NpgsqlParameter data = new NpgsqlParameter();
-            data.DbType = DbType.String;
+            data.NpgsqlDbType = NpgsqlDbType.Json;
             data.Direction = ParameterDirection.Input;
             data.ParameterName = "data";
             data.Value = JsonConvert.SerializeObject(d);