diff --git a/IRaCIS.Core.Application/Service/TrialSiteUser/DTO/TrialConfigDTO.cs b/IRaCIS.Core.Application/Service/TrialSiteUser/DTO/TrialConfigDTO.cs
index 26162b4ae..f7b8efba1 100644
--- a/IRaCIS.Core.Application/Service/TrialSiteUser/DTO/TrialConfigDTO.cs
+++ b/IRaCIS.Core.Application/Service/TrialSiteUser/DTO/TrialConfigDTO.cs
@@ -79,11 +79,7 @@ namespace IRaCIS.Core.Application.Contracts
         /// </summary>
         public List<StudyName> StudyNameList { get; set; }
 
-        /// <summary>
-        /// 图像格式
-        /// </summary>
-        [StringLength(2000)]
-        public List<string> ImageFormatList { get; set; } = new List<string>();
+       
 
 
         public List<TrialObjectNameConfig> TrialObjectNameList { get; set; }
@@ -111,6 +107,10 @@ namespace IRaCIS.Core.Application.Contracts
 
         public Guid TrialId { get; set; }
 
+        /// <summary>
+        /// 图像格式
+        /// </summary>
+        public List<string> ImageFormatList { get; set; } = new List<string>();
 
         /// <summary>
         /// 临床信息传输 1：系统录入2：系统录入+PDF 0：无