diff --git a/scfs-api-core/src/main/java/com/czcb/scfs/api/core/util/DateTimes.java b/scfs-api-core/src/main/java/com/czcb/scfs/api/core/util/DateTimes.java
index 9a07d6e..12ed191 100644
--- a/scfs-api-core/src/main/java/com/czcb/scfs/api/core/util/DateTimes.java
+++ b/scfs-api-core/src/main/java/com/czcb/scfs/api/core/util/DateTimes.java
@@ -24,17 +24,29 @@ public final class DateTimes {
     }
 
     public static String ofNow() {
-        return DateTimeFormatter.ofPattern(NORMAL_DATE_TIME).format(LocalDateTime.now());
+        return of(NORMAL_DATE_TIME);
     }
 
-    public static String ofPatternDate(Date date) {
+    public static String ofNowDate() {
+        return of(NORMAL_DATE);
+    }
+
+    public static String ofTransDate() {
+        return ofNowDate();
+    }
+
+    public static String ofTransTradeTime() {
+        return ofNow();
+    }
+
+    public static String of(String pattern) {
+        return DateTimeFormatter.ofPattern(pattern).format(LocalDateTime.now());
+    }
+
+    public static String ofNormalPattern(Date date) {
         Objects.requireNonNull(date, "date is null");
 
         LocalDateTime dateTime = Instant.ofEpochMilli(date.getTime()).atZone(ZoneId.systemDefault()).toLocalDateTime();
         return DateTimeFormatter.ofPattern(NORMAL_DATE_TIME).format(dateTime);
     }
-
-    public static String ofNowDate() {
-        return DateTimeFormatter.ofPattern(NORMAL_DATE).format(LocalDateTime.now());
-    }
 }
diff --git a/scfs-api-core/src/main/java/com/czcb/scfs/api/core/util/Strings.java b/scfs-api-core/src/main/java/com/czcb/scfs/api/core/util/Strings.java
index ab796df..18d23f8 100644
--- a/scfs-api-core/src/main/java/com/czcb/scfs/api/core/util/Strings.java
+++ b/scfs-api-core/src/main/java/com/czcb/scfs/api/core/util/Strings.java
@@ -108,8 +108,8 @@ public class Strings {
     }
 
     public static String timeRange(X509Certificate certificate) {
-        return String.format("%s,%s", DateTimes.ofPatternDate(certificate.getNotBefore()),
-                DateTimes.ofPatternDate(certificate.getNotAfter()));
+        return String.format("%s,%s", DateTimes.ofNormalPattern(certificate.getNotBefore()),
+                DateTimes.ofNormalPattern(certificate.getNotAfter()));
     }
 
     public static String toStr(Object data) {
diff --git a/scfs-api-core/src/test/java/com/czcb/scfs/api/core/util/DateTimesTest.java b/scfs-api-core/src/test/java/com/czcb/scfs/api/core/util/DateTimesTest.java
index 0510a7b..de66ce0 100644
--- a/scfs-api-core/src/test/java/com/czcb/scfs/api/core/util/DateTimesTest.java
+++ b/scfs-api-core/src/test/java/com/czcb/scfs/api/core/util/DateTimesTest.java
@@ -21,6 +21,13 @@ class DateTimesTest {
         Assertions.assertEquals(19, now.length());
     }
 
+    @Test
+    void of() {
+        String now = DateTimes.of("yyyy-MM-dd");
+        Assertions.assertNotNull(now);
+        Assertions.assertEquals(10, now.length());
+    }
+
     @Test
     void nowDate() {
         String nowDate = DateTimes.ofNowDate();
@@ -29,10 +36,10 @@ class DateTimesTest {
     }
 
     @Test
-    void ofPatternDate() throws ParseException {
+    void ofNormalPattern() throws ParseException {
         SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
         String text = "2024-01-01 12:10:21";
-        Assertions.assertEquals(text, DateTimes.ofPatternDate(format.parse(text)));
+        Assertions.assertEquals(text, DateTimes.ofNormalPattern(format.parse(text)));
     }
 
     @Test
@@ -40,4 +47,18 @@ class DateTimesTest {
         Assertions.assertEquals("yyyy-MM-dd HH:mm:ss", DateTimes.NORMAL_DATE_TIME);
         Assertions.assertEquals("yyyy-MM-dd", DateTimes.NORMAL_DATE);
     }
+
+    @Test
+    void ofTransDate() {
+        String nowDate = DateTimes.ofNowDate();
+        Assertions.assertNotNull(nowDate);
+        Assertions.assertEquals(nowDate, DateTimes.ofTransDate());
+    }
+
+    @Test
+    void ofTransTradeTime() {
+        String now = DateTimes.ofNow();
+        Assertions.assertNotNull(now);
+        Assertions.assertEquals(now, DateTimes.ofTransTradeTime());
+    }
 }
\ No newline at end of file