diff --git a/HSUCO_Cargo_Garage_Operation_Program/CustomForm/Promotion.cs b/HSUCO_Cargo_Garage_Operation_Program/CustomForm/Promotion.cs
index 2300959..2122b49 100644
--- a/HSUCO_Cargo_Garage_Operation_Program/CustomForm/Promotion.cs
+++ b/HSUCO_Cargo_Garage_Operation_Program/CustomForm/Promotion.cs
@@ -8,32 +8,44 @@ namespace HSUCO_Cargo_Garage_Operation_Program.CustomForm
     {
         public DateTime StartDate { get; set; }
         public DateTime EndDate { get; set; }
+
         public Promotion(string title, string startName, string endName)
         {
             InitializeComponent();
             this.Text = title;
             metroLabel1.Text = startName;
             metroLabel2.Text = endName;
+            var year = DateTime.Now.Year + 1;
+            metroDateTime_Start.Value = DateTime.Parse(year + "-01-01");
+            metroDateTime_End.Value = DateTime.Parse(year + "-12-31");
         }
 
-        void metroButton_Promotion_Click(object sender, EventArgs e)
+        public Promotion(string title, string startName, string endName, DateTime startDateTime, DateTime endDateTime)
+        {
+            InitializeComponent();
+            this.Text = title;
+            metroLabel1.Text = startName;
+            metroLabel2.Text = endName;
+            metroDateTime_Start.Value = startDateTime;
+            metroDateTime_End.Value = endDateTime;
+        }
+
+        private void metroButton_Promotion_Click(object sender, EventArgs e)
         {
             StartDate = metroDateTime_Start.Value;
             EndDate = metroDateTime_End.Value;
-            
+
             DialogResult = DialogResult.OK;
         }
 
-        void metroButton_Cancel_Click(object sender, EventArgs e)
+        private void metroButton_Cancel_Click(object sender, EventArgs e)
         {
             DialogResult = DialogResult.Cancel;
         }
 
-        void Promotion_Load(object sender, EventArgs e)
+        private void Promotion_Load(object sender, EventArgs e)
         {
-            var year = DateTime.Now.Year + 1;
-            metroDateTime_Start.Value = DateTime.Parse(year + "-01-01");
-            metroDateTime_End.Value = DateTime.Parse(year + "-12-31");
+
         }
 
         private void metroDateTime_Start_ValueChanged(object sender, EventArgs e)
@@ -42,7 +54,7 @@ namespace HSUCO_Cargo_Garage_Operation_Program.CustomForm
             {
                 metroDateTime_Start.Value = new DateTime(metroDateTime_Start.Value.Year, metroDateTime_Start.Value.Month, 1);
             }
-            if(metroDateTime_Start.Value.Year > metroDateTime_End.Value.Year)
+            if (metroDateTime_Start.Value.Year > metroDateTime_End.Value.Year)
             {
                 metroDateTime_End.Value = new DateTime(metroDateTime_Start.Value.Year, metroDateTime_Start.Value.Month, DateTime.DaysInMonth(metroDateTime_Start.Value.Year, metroDateTime_Start.Value.Month));
             }
@@ -51,7 +63,6 @@ namespace HSUCO_Cargo_Garage_Operation_Program.CustomForm
             {
                 metroDateTime_End.Value = new DateTime(metroDateTime_End.Value.Year, metroDateTime_End.Value.Month, lastDay);
             }
-
         }
     }
 }
\ No newline at end of file
diff --git a/HSUCO_Cargo_Garage_Operation_Program/CustomUserControl/SettingControl.cs b/HSUCO_Cargo_Garage_Operation_Program/CustomUserControl/SettingControl.cs
index 443e969..a0e2b54 100644
--- a/HSUCO_Cargo_Garage_Operation_Program/CustomUserControl/SettingControl.cs
+++ b/HSUCO_Cargo_Garage_Operation_Program/CustomUserControl/SettingControl.cs
@@ -120,7 +120,5 @@ namespace HSUCO_Cargo_Garage_Operation_Program.CustomUserControl
             }
             timer.Stop();
         }
-
-
     }
 }
\ No newline at end of file
diff --git a/HSUCO_Cargo_Garage_Operation_Program/CustomUserControl/UserList.cs b/HSUCO_Cargo_Garage_Operation_Program/CustomUserControl/UserList.cs
index 86233aa..dc2da30 100644
--- a/HSUCO_Cargo_Garage_Operation_Program/CustomUserControl/UserList.cs
+++ b/HSUCO_Cargo_Garage_Operation_Program/CustomUserControl/UserList.cs
@@ -432,7 +432,7 @@ namespace HSUCO_Cargo_Garage_Operation_Program.CustomUserControl
             if (result == DialogResult.No) return;
 
             CertificateInformation certificateInformation = Database.GetUserCertificate(no);
-            Promotion promotion = new Promotion("증명서 인증 기간", "증명 시작일", "증명 종료일");
+            Promotion promotion = new Promotion("증명서 인증 기간", "증명 시작일", "증명 종료일", certificateInformation.StartDate, certificateInformation.EndDate);
             DialogResult promotionDialogResult = promotion.ShowDialog();
             if (promotionDialogResult != DialogResult.OK)
             {