diff --git a/Tiobon.Core.Services/CommonServices.cs b/Tiobon.Core.Services/CommonServices.cs
index 6394b8e5..1fc6f18e 100644
--- a/Tiobon.Core.Services/CommonServices.cs
+++ b/Tiobon.Core.Services/CommonServices.cs
@@ -3515,7 +3515,17 @@ public partial class CommonServices : BaseServices<RootEntityTkey<int>>, ICommon
                         string json = param.jsonParam.ToString();
                         var dict = JsonHelper.JsonToObj<Ghre_Teacher>(json);
                         var staffId = dict.StaffId;
-                        dict.StaffId = GetStaffId();
+
+                        var staff = await Db.Queryable<Ghra_Staff>().FirstAsync(x => x.StaffID == staffId);
+                        if (staff != null)
+                        {
+                            dict.TeacherNo = staff.StaffNo;
+                            dict.TeacherName = staff.StaffName;
+                        }
+
+                        if (await Db.Queryable<Ghre_Teacher>().AnyAsync(x => x.StaffId == staffId))
+                            throw new Exception($"员工【{staff.StaffName}({staff.StaffNo})】已在讲师列表中！");
+                        //dict.StaffId = GetStaffId();
 
                         id = await Db.Insertable(dict).ExecuteReturnSnowflakeIdAsync();
 
diff --git a/Tiobon.Core.Services/Ghre/Ghre_TeacherServices.cs b/Tiobon.Core.Services/Ghre/Ghre_TeacherServices.cs
index 5ab78016..c8794a1f 100644
--- a/Tiobon.Core.Services/Ghre/Ghre_TeacherServices.cs
+++ b/Tiobon.Core.Services/Ghre/Ghre_TeacherServices.cs
@@ -190,6 +190,9 @@ FROM (SELECT A.*,
                 entity.TeacherNo = staff.StaffNo;
                 entity.TeacherName = staff.StaffName;
             }
+
+            if (await base.AnyAsync(x => x.StaffId == entity.StaffId))
+                throw new Exception($"员工【{staff.StaffName}({staff.StaffNo})】已在讲师列表中！");
         }
         else
         {