diff --git a/HSUCO_Cargo_Garage_Operation_Program/Database.cs b/HSUCO_Cargo_Garage_Operation_Program/Database.cs
index 323eb8a..d48661a 100644
--- a/HSUCO_Cargo_Garage_Operation_Program/Database.cs
+++ b/HSUCO_Cargo_Garage_Operation_Program/Database.cs
@@ -27,15 +27,15 @@ namespace HSUCO_Cargo_Garage_Operation_Program
 
                 var createKeyTable = @"
 						CREATE TABLE ""ApplicantList"" (
-							""ApplicantType""	INTEGER NOT NULL,
-							""RegistrationNumberTruck""	TEXT NOT NULL,
-							""RegistrationNumberPassenger""	TEXT NOT NULL,
-							""Name""	TEXT NOT NULL,
-							""Phone""	TEXT NOT NULL,
-							""Address""	TEXT NOT NULL,
-							""DateOfApplicant""	TEXT NOT NULL,
-							""Inspection""	INTEGER NOT NULL
-						);
+	                    ""ApplicantType""	INTEGER NOT NULL,
+	                    ""RegistrationNumberTruck""	TEXT NOT NULL,
+	                    ""RegistrationNumberPassenger""	TEXT NOT NULL,
+	                    ""Name""	TEXT NOT NULL,
+	                    ""Phone""	TEXT NOT NULL,
+	                    ""Address""	TEXT NOT NULL,
+	                    ""DateOfApplicant""	TEXT NOT NULL,
+	                    ""Inspection""	INTEGER NOT NULL
+                        );
 
 						CREATE TABLE ""Certificate"" (
 							""No""	INTEGER NOT NULL UNIQUE,
@@ -43,27 +43,40 @@ namespace HSUCO_Cargo_Garage_Operation_Program
 							""UserNo""	INTEGER NOT NULL,
 							PRIMARY KEY(""No"" AUTOINCREMENT)
 						);
+
 						CREATE TABLE ""DeleteList"" (
-							""ApplicantType""	INTEGER NOT NULL,
-							""RegistrationNumberTruck""	TEXT NOT NULL,
-							""RegistrationNumberPassenger""	TEXT NOT NULL,
-							""Name""	TEXT NOT NULL,
-							""Phone""	TEXT NOT NULL,
-							""Address""	TEXT NOT NULL,
-							""DateOfApplicant""	TEXT NOT NULL,
-							""Inspection""	INTEGER NOT NULL,
-							""DeleteDate""	TEXT NOT NULL,
-							""DeleterName""	TEXT NOT NULL,
-							""DeleteReason""	TEXT NOT NULL
-						);
+	                        ""ApplicantType""	INTEGER NOT NULL,
+	                        ""RegistrationNumberTruck""	TEXT NOT NULL,
+	                        ""RegistrationNumberPassenger""	TEXT NOT NULL,
+	                        ""Name""	TEXT NOT NULL,
+	                        ""Phone""	TEXT NOT NULL,
+	                        ""Address""	TEXT NOT NULL,
+	                        ""DateOfApplicant""	TEXT NOT NULL,
+	                        ""Inspection""	INTEGER NOT NULL,
+	                        ""DeleteDate""	TEXT NOT NULL,
+	                        ""DeleterName""	TEXT NOT NULL,
+	                        ""DeleteReason""	TEXT NOT NULL
+                        );
+
+                        CREATE TABLE ""LedgerCertificate"" (
+	                        ""No""	INTEGER NOT NULL,
+	                        ""IssueNumber""	TEXT NOT NULL,
+	                        ""Date""	TEXT NOT NULL
+                        );
+
+                        CREATE TABLE ""LedgerProceeds"" (
+	                        ""No""	INTEGER,
+	                        ""Type""	INTEGER,
+	                        ""Amount""	INTEGER,
+	                        ""Date""	TEXT
+                        );
 
 						CREATE TABLE ""RefundList"" (
-							""No""	INTEGER NOT NULL UNIQUE,
-							""UserNo""	INTEGER NOT NULL,
-							""RefundDate""	TEXT NOT NULL,
-							""RefundAmount""	INTEGER NOT NULL,
-							PRIMARY KEY(""No"" AUTOINCREMENT)
-						);
+	                        ""No""	INTEGER NOT NULL UNIQUE,
+	                        ""UserNo""	INTEGER NOT NULL,
+	                        ""RefundDate""	TEXT NOT NULL,
+	                        ""RefundAmount""	INTEGER NOT NULL
+                        );
 
 						CREATE TABLE ""Settings"" (
 							""SettingName""	TEXT NOT NULL,
@@ -72,19 +85,19 @@ namespace HSUCO_Cargo_Garage_Operation_Program
 						);
 
 						CREATE TABLE ""UserList"" (
-							""No""	INTEGER NOT NULL UNIQUE,
-							""RegistrationNumberTruck""	TEXT NOT NULL,
-							""RegistrationNumberPassenger""	TEXT NOT NULL,
-							""Name""	TEXT NOT NULL,
-							""Phone""	TEXT NOT NULL,
-							""Address""	TEXT NOT NULL,
-							""DateOfApplicant""	TEXT NOT NULL,
-							""DateStart""	TEXT NOT NULL,
-							""DateEnd""	TEXT NOT NULL,
-							""Extended""	INTEGER NOT NULL,
-							""RefundCheck""	INTEGER NOT NULL,
-							PRIMARY KEY(""No"" AUTOINCREMENT)
-						);";
+	                    ""No""	INTEGER NOT NULL UNIQUE,
+	                    ""RegistrationNumberTruck""	TEXT NOT NULL,
+	                    ""RegistrationNumberPassenger""	TEXT NOT NULL,
+	                    ""Name""	TEXT NOT NULL,
+	                    ""Phone""	TEXT NOT NULL,
+	                    ""Address""	TEXT NOT NULL,
+	                    ""DateOfApplicant""	TEXT NOT NULL,
+	                    ""DateStart""	TEXT NOT NULL,
+	                    ""DateEnd""	TEXT NOT NULL,
+	                    ""Extended""	INTEGER NOT NULL,
+	                    ""RefundCheck""	INTEGER NOT NULL,
+	                    PRIMARY KEY(""No"" AUTOINCREMENT)
+                        );";
 
                 using (var command = _sqLiteConnection.CreateCommand())
                 {
@@ -389,9 +402,10 @@ namespace HSUCO_Cargo_Garage_Operation_Program
 
         public static List<ProceedsData> GetLedgerProceeds(DateTime startDateTime, DateTime endDateTime)
         {
-            List<ProceedsData> proceedsDatas = new List<ProceedsData>();
+            var proceedsDatas = new List<ProceedsData>();
 
-            string query = $"SELECT UserList.RegistrationNumberTruck, UserList.RegistrationNumberPassenger, UserList.Name, LedgerProceeds.Type, LedgerProceeds.Amount, LedgerProceeds.Date From LedgerProceeds INNER JOIN UserList ON LedgerProceeds.No = UserList.No Where LedgerProceeds.Date >='{startDateTime}' And LedgerProceeds.Date <='{endDateTime}'";
+            var query =
+                $"SELECT UserList.RegistrationNumberTruck, UserList.RegistrationNumberPassenger, UserList.Name, LedgerProceeds.Type, LedgerProceeds.Amount, LedgerProceeds.Date From LedgerProceeds INNER JOIN UserList ON LedgerProceeds.No = UserList.No Where LedgerProceeds.Date >='{startDateTime}' And LedgerProceeds.Date <='{endDateTime}'";
 
             using (var command = _sqLiteConnection.CreateCommand())
             {
@@ -401,7 +415,7 @@ namespace HSUCO_Cargo_Garage_Operation_Program
                 {
                     while (reader.Read())
                     {
-                        ProceedsData proceedsData = new ProceedsData();
+                        var proceedsData = new ProceedsData();
                         proceedsData.RegistrationNumberTruck = reader["RegistrationNumberTruck"].ToString();
                         proceedsData.RegistrationNumberPassenger = reader["RegistrationNumberPassenger"].ToString();
                         proceedsData.Name = reader["Name"].ToString();
@@ -418,8 +432,9 @@ namespace HSUCO_Cargo_Garage_Operation_Program
 
         public static List<CertificateData> GetLedgerCertificate(DateTime startDateTime, DateTime endDateTime)
         {
-            List<CertificateData> certificateDatas = new List<CertificateData>();
-            string query = $"SELECT UserList.RegistrationNumberTruck, UserList.RegistrationNumberPassenger, UserList.Name, LedgerCertificate.Date From LedgerCertificate INNER JOIN UserList ON LedgerCertificate.No = UserList.No Where LedgerCertificate.Date >='{startDateTime}' And LedgerCertificate.Date <='{endDateTime}'";
+            var certificateDatas = new List<CertificateData>();
+            var query =
+                $"SELECT UserList.RegistrationNumberTruck, UserList.RegistrationNumberPassenger, UserList.Name, LedgerCertificate.Date From LedgerCertificate INNER JOIN UserList ON LedgerCertificate.No = UserList.No Where LedgerCertificate.Date >='{startDateTime}' And LedgerCertificate.Date <='{endDateTime}'";
 
             using (var command = _sqLiteConnection.CreateCommand())
             {
@@ -429,7 +444,7 @@ namespace HSUCO_Cargo_Garage_Operation_Program
                 {
                     while (reader.Read())
                     {
-                        CertificateData certificateData = new CertificateData();
+                        var certificateData = new CertificateData();
                         certificateData.RegistrationNumberTruck = reader["RegistrationNumberTruck"].ToString();
                         certificateData.RegistrationNumberPassenger = reader["RegistrationNumberPassenger"].ToString();
                         certificateData.Name = reader["Name"].ToString();
@@ -489,7 +504,6 @@ namespace HSUCO_Cargo_Garage_Operation_Program
             }
 
             return settings;
-            // 셋팅 네임/ 세팅 벨류 셋팅 데이트
         }
 
         public static void SaveSettings(Settings settings)