diff --git a/src/core/process/C_CollegeFillOpeningReportOpinion.java b/src/core/process/C_CollegeFillOpeningReportOpinion.java
index 9bf74ab..f34830f 100644
--- a/src/core/process/C_CollegeFillOpeningReportOpinion.java
+++ b/src/core/process/C_CollegeFillOpeningReportOpinion.java
@@ -2,6 +2,7 @@ package core.process;
 
 import core.operation.FillInformation;
 import error.GExcptInit;
+import gdms.Configuration;
 
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -23,8 +24,7 @@ public class C_CollegeFillOpeningReportOpinion extends C_FillInformation{
         FillInformation fillInformation =new FillInformation();
         fillInformation.setOptions(new HashMap<>());
         fillInformation.addOptions("table",table);
-        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-ddHH:mm:ss");
-        String date=df.format(new Date());
+        String date= Configuration.dateFormat.format(new Date());
         vMap.put("college_opinion_date",date);
         Map<String, String>limits = new HashMap<>();
         limits.put("id",this.getGraduationDesignId());
diff --git a/src/core/process/C_CollegeFillScoreOpinion.java b/src/core/process/C_CollegeFillScoreOpinion.java
index 0eba494..810da57 100644
--- a/src/core/process/C_CollegeFillScoreOpinion.java
+++ b/src/core/process/C_CollegeFillScoreOpinion.java
@@ -2,6 +2,7 @@ package core.process;
 
 import core.operation.FillInformation;
 import error.GExcptInit;
+import gdms.Configuration;
 
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -23,8 +24,7 @@ public class C_CollegeFillScoreOpinion extends C_FillInformation{
         FillInformation fillInformation=new FillInformation();
         fillInformation.setOptions(new HashMap<>());
         fillInformation.addOptions("table",table);
-        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-ddHH:mm:ss");
-        String date=df.format(new Date());
+        String date= Configuration.dateFormat.format(new Date());
         vMap.put("college_opinion_date",date);
         Map<String, String>limits = new HashMap<>();
         limits.put("id",this.getGraduationDesignId());
diff --git a/src/core/process/C_MentorFillOpeningReportOpinion.java b/src/core/process/C_MentorFillOpeningReportOpinion.java
index f60c3e3..f235d68 100644
--- a/src/core/process/C_MentorFillOpeningReportOpinion.java
+++ b/src/core/process/C_MentorFillOpeningReportOpinion.java
@@ -2,6 +2,7 @@ package core.process;
 
 import core.operation.FillInformation;
 import error.GExcptInit;
+import gdms.Configuration;
 
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -24,8 +25,7 @@ public class C_MentorFillOpeningReportOpinion extends C_FillInformation{
         FillInformation fillInformation=new FillInformation();
         fillInformation.setOptions(new HashMap<>());
         fillInformation.addOptions("table",table);
-        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-ddHH:mm:ss");
-        String date=df.format(new Date());
+        String date= Configuration.dateFormat.format(new Date());
         vMap.put("mentor_opinion_date",date);
         Map<String, String>limits = new HashMap<>();
         limits.put("id",this.getGraduationDesignId());
diff --git a/src/core/process/C_MentorFillReview.java b/src/core/process/C_MentorFillReview.java
index bfb909b..6ad8e86 100644
--- a/src/core/process/C_MentorFillReview.java
+++ b/src/core/process/C_MentorFillReview.java
@@ -2,6 +2,7 @@ package core.process;
 
 import core.operation.FillInformation;
 import error.GExcptInit;
+import gdms.Configuration;
 
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -24,8 +25,7 @@ public class C_MentorFillReview extends C_FillInformation {
         FillInformation fillInformation=new FillInformation();
         fillInformation.setOptions(new HashMap<>());
         fillInformation.addOptions("table",table);
-        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-ddHH:mm:ss");
-        String date=df.format(new Date());
+        String date= Configuration.dateFormat.format(new Date());
         vMap.put("review_opinion_date",date);
         Map<String, String>limits = new HashMap<>();
         limits.put("id",this.getGraduationDesignId());
diff --git a/src/core/process/C_ReviewerFillReview.java b/src/core/process/C_ReviewerFillReview.java
index d7712b4..6635af4 100644
--- a/src/core/process/C_ReviewerFillReview.java
+++ b/src/core/process/C_ReviewerFillReview.java
@@ -2,6 +2,7 @@ package core.process;
 
 import core.operation.FillInformation;
 import error.GExcptInit;
+import gdms.Configuration;
 
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -23,8 +24,7 @@ public class C_ReviewerFillReview extends C_FillInformation {
         FillInformation fillInformation=new FillInformation();
         fillInformation.setOptions(new HashMap<>());
         fillInformation.addOptions("table",table);
-        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-ddHH:mm:ss");
-        String date=df.format(new Date());
+        String date= Configuration.dateFormat.format(new Date());
         vMap.put("reviewer_score_date",date);
         Map<String, String>limits = new HashMap<>();
         limits.put("id",this.getGraduationDesignId());
diff --git a/src/core/process/C_SchoolFillScoreOpinion.java b/src/core/process/C_SchoolFillScoreOpinion.java
index e197191..b37dc61 100644
--- a/src/core/process/C_SchoolFillScoreOpinion.java
+++ b/src/core/process/C_SchoolFillScoreOpinion.java
@@ -2,6 +2,7 @@ package core.process;
 
 import core.operation.FillInformation;
 import error.GExcptInit;
+import gdms.Configuration;
 
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -23,8 +24,7 @@ public class C_SchoolFillScoreOpinion extends C_FillInformation {
         FillInformation fillInformation=new FillInformation();
         fillInformation.setOptions(new HashMap<>());
         fillInformation.addOptions("table",table);
-        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-ddHH:mm:ss");
-        String date=df.format(new Date());
+        String date= Configuration.dateFormat.format(new Date());
         vMap.put("school_opinion_date",date);
         Map<String, String>limits = new HashMap<>();
         limits.put("id",this.getGraduationDesignId());
diff --git a/src/core/process/C_SecretaryFillOpeningReportRecord.java b/src/core/process/C_SecretaryFillOpeningReportRecord.java
index e6d8f95..aa52674 100644
--- a/src/core/process/C_SecretaryFillOpeningReportRecord.java
+++ b/src/core/process/C_SecretaryFillOpeningReportRecord.java
@@ -2,6 +2,7 @@ package core.process;
 
 import core.operation.FillInformation;
 import error.GExcptInit;
+import gdms.Configuration;
 
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -24,8 +25,7 @@ public class C_SecretaryFillOpeningReportRecord extends C_FillInformation{
         FillInformation fillInformation=new FillInformation();
         fillInformation.setOptions(new HashMap<>());
         fillInformation.addOptions("table",table);
-        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-ddHH:mm:ss");
-        String date=df.format(new Date());
+        String date= Configuration.dateFormat.format(new Date());
         vMap.put("secretary_record_date",date);
         Map<String, String>limits = new HashMap<>();
         limits.put("id",this.getGraduationDesignId());
diff --git a/src/core/process/C_SecretaryFillReplyRecord.java b/src/core/process/C_SecretaryFillReplyRecord.java
index 2205fcc..5ab4a78 100644
--- a/src/core/process/C_SecretaryFillReplyRecord.java
+++ b/src/core/process/C_SecretaryFillReplyRecord.java
@@ -2,6 +2,7 @@ package core.process;
 
 import core.operation.FillInformation;
 import error.GExcptInit;
+import gdms.Configuration;
 
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -24,8 +25,7 @@ public class C_SecretaryFillReplyRecord extends C_FillInformation{
         FillInformation fillInformation=new FillInformation();
         fillInformation.setOptions(new HashMap<>());
         fillInformation.addOptions("table",table);
-        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-ddHH:mm:ss");
-        String date=df.format(new Date());
+        String date= Configuration.dateFormat.format(new Date());
         vMap.put("secretary_record_date",date);
         Map<String, String>limits = new HashMap<>();
         limits.put("id",this.getGraduationDesignId());
diff --git a/src/core/process/C_TeacherTeamFillOpeningReportOpinion.java b/src/core/process/C_TeacherTeamFillOpeningReportOpinion.java
index c844d41..3363a4a 100644
--- a/src/core/process/C_TeacherTeamFillOpeningReportOpinion.java
+++ b/src/core/process/C_TeacherTeamFillOpeningReportOpinion.java
@@ -2,6 +2,7 @@ package core.process;
 
 import core.operation.FillInformation;
 import error.GExcptInit;
+import gdms.Configuration;
 
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -24,8 +25,7 @@ public class C_TeacherTeamFillOpeningReportOpinion extends C_FillInformation{
         FillInformation fillInformation=new FillInformation();
         fillInformation.setOptions(new HashMap<>());
         fillInformation.addOptions("table",table);
-        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-ddHH:mm:ss");
-        String date=df.format(new Date());
+        String date= Configuration.dateFormat.format(new Date());
         vMap.put("report_teacher_team_opinion_date",date);
         Map<String, String>limits = new HashMap<>();
         limits.put("id",this.getGraduationDesignId());
diff --git a/src/core/process/C_TeacherTeamFillScoreOpinion.java b/src/core/process/C_TeacherTeamFillScoreOpinion.java
index 58aedca..6214226 100644
--- a/src/core/process/C_TeacherTeamFillScoreOpinion.java
+++ b/src/core/process/C_TeacherTeamFillScoreOpinion.java
@@ -2,6 +2,7 @@ package core.process;
 
 import core.operation.FillInformation;
 import error.GExcptInit;
+import gdms.Configuration;
 
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -24,8 +25,7 @@ public class C_TeacherTeamFillScoreOpinion extends C_FillInformation {
         FillInformation fillInformation=new FillInformation();
         fillInformation.setOptions(new HashMap<>());
         fillInformation.addOptions("table",table);
-        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-ddHH:mm:ss");
-        String date=df.format(new Date());
+        String date= Configuration.dateFormat.format(new Date());
         vMap.put("teacher_team_opinion_date",date);
         Map<String, String>limits = new HashMap<>();
         limits.put("id",this.getGraduationDesignId());
diff --git a/src/gdms/Configuration.java b/src/gdms/Configuration.java
index 3143a95..5cda02e 100644
--- a/src/gdms/Configuration.java
+++ b/src/gdms/Configuration.java
@@ -1,5 +1,7 @@
 package gdms;
 
+import java.text.SimpleDateFormat;
+
 public interface Configuration {
     //file
     String filePath = "C:/Users/zhai_/Desktop/";
@@ -7,4 +9,5 @@ public interface Configuration {
     String dbUrl="jdbc:mariadb://localhost:3306/gdms";
     String dbUsername="gdms";
     String dbPassword="GDMS";
+    SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 }