diff --git a/IRaCIS.Core.Infra.EFCore/EntityConfigration/StudyConfigration.cs b/IRaCIS.Core.Infra.EFCore/EntityConfigration/StudyConfigration.cs
index 490d1980f..4114c225a 100644
--- a/IRaCIS.Core.Infra.EFCore/EntityConfigration/StudyConfigration.cs
+++ b/IRaCIS.Core.Infra.EFCore/EntityConfigration/StudyConfigration.cs
@@ -30,4 +30,14 @@ namespace IRaCIS.Core.Infra.EFCore.EntityConfigration
 
         }
     }
+
+    public class ReadModuleConfigration : IEntityTypeConfiguration<ReadModule>
+    {
+
+        public void Configure(EntityTypeBuilder<ReadModule> builder)
+        {
+
+            builder.HasOne(t => t.SubjectVisit).WithMany(t => t.ReadModuleList).HasForeignKey(t => t.SubjectVisitId);
+        }
+    }
 }