diff --git a/Src/Dlhis.Entity/Basic/Entity/PositionEntity.cs b/Src/Dlhis.Entity/Basic/Entity/PositionEntity.cs
index 7dfb3d33..b20abe31 100644
--- a/Src/Dlhis.Entity/Basic/Entity/PositionEntity.cs
+++ b/Src/Dlhis.Entity/Basic/Entity/PositionEntity.cs
@@ -12,7 +12,7 @@ public class PositionEntity : SugarBaseEntity
     /// <summary>
     /// 岗位编码
     /// </summary>
-    [SugarColumn(ColumnDescription = "岗位编码")]
+    [SugarColumn(ColumnDescription = "岗位编码", IndexGroupNameList = new[] { "idx_position_No" })]
     public string No { get; set; }
 
     /// <summary>