fix types return Value

types/datetime.go

@@ -24,7 +24,7 @@ func (t TimeText) Value() (driver.Value, error) {
 	if err != nil {
 		return nil, err
 	}
-	return TimeText(t1.Format(timeFormat)), nil
+	return t1, nil
 }
 
 // Scan implements the sql.Scanner interface
@@ -43,7 +43,7 @@ func (t DateText) Value() (driver.Value, error) {
 	if err != nil {
 		return nil, err
 	}
-	return DateText(t1.Format(dateFormat)), nil
+	return t1, nil
 }
 
 // Scan implements the sql.Scanner interface