diff --git a/PEIS/View/Exam/PartForm.cs b/PEIS/View/Exam/PartForm.cs
index e9855fd..7df7c32 100644
--- a/PEIS/View/Exam/PartForm.cs
+++ b/PEIS/View/Exam/PartForm.cs
@@ -1096,6 +1096,9 @@ namespace PEIS.View.Exam
             _examPart.InputTime = time;
             _examPart.Inputer = currentUser.Name;
             _examPart.InputerCode = currentUser.Code;
+            _examPart.CheckTime = _examPart.CheckTime ?? time;
+            _examPart.Checker = string.IsNullOrEmpty(_examPart.Checker) ?  currentUser.Name : _examPart.Checker;
+            _examPart.CheckerCode = string.IsNullOrEmpty(_examPart.CheckerCode) ? currentUser.Code : _examPart.CheckerCode;
             _examPart.CreateTime = _examPart.CreateTime ?? time;
             _examPart.Summary = txtSummary.Text;
             SaveExamPart?.Invoke(this, new Args<ExamResult>()