实体标注，修改默认长度

IRaCIS.Core.Domain/Image/DicomStudy.cs

@@ -34,19 +34,17 @@ public class DicomStudy : BaseFullDeleteAuditEntity, IEntitySeqId
 
     public string AcquisitionTime { get; set; } = null!;
 
-    [StringLength(500)]
     public string BodyPartExamined { get; set; } = null!;
 
     public string BodyPartForEdit { get; set; } = null!;
 
     public int Code { get; set; }
 
-    [StringLength(1000)]
     public string Description { get; set; } = null!;
 
     public int InstanceCount { get; set; }
 
-    [StringLength(400)]
+   
     public string InstitutionName { get; set; } = null!;
 
     public bool IsDoubleReview { get; set; }
@@ -72,13 +70,12 @@ public class DicomStudy : BaseFullDeleteAuditEntity, IEntitySeqId
 
     public int SeriesCount { get; set; }
 
-    [StringLength(400)]
+   
     public string StudyCode { get; set; } = null!;
 
     [Comment("DicomTag.StudyID")]
     public string StudyId { get; set; } = null!;
 
-    [StringLength(500)]
     public string StudyInstanceUid { get; set; } = null!;
 
     public DateTime? StudyTime { get; set; }