diff --git a/pom.xml b/pom.xml
index 7ca8932..0ea4c9c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
 	<groupId>com.imyeyu.utils</groupId>
 	<artifactId>timi-utils</artifactId>
-	<version>0.0.12</version>
+	<version>0.0.13</version>
 
 	<properties>
 		<maven.test.skip>true</maven.test.skip>
@@ -91,7 +91,7 @@
 		<dependency>
 			<groupId>com.imyeyu.java</groupId>
 			<artifactId>timi-java</artifactId>
-			<version>0.0.5</version>
+			<version>0.0.7</version>
 		</dependency>
 		<dependency>
 			<groupId>de.mkammerer</groupId>
diff --git a/src/main/java/com/imyeyu/utils/Text.java b/src/main/java/com/imyeyu/utils/Text.java
index 89c637b..18054ae 100644
--- a/src/main/java/com/imyeyu/utils/Text.java
+++ b/src/main/java/com/imyeyu/utils/Text.java
@@ -435,4 +435,8 @@ public class Text {
 	public static String bizClassName(Class<?> clazz) {
 		return underscoreClassName(clazz).toUpperCase();
 	}
+
+	public static String normalize(String text) {
+		return TimiJava.defaultIfEmpty(text, null);
+	}
 }
diff --git a/src/main/java/com/imyeyu/utils/Time.java b/src/main/java/com/imyeyu/utils/Time.java
index 5fd9e50..6f51e93 100644
--- a/src/main/java/com/imyeyu/utils/Time.java
+++ b/src/main/java/com/imyeyu/utils/Time.java
@@ -1,14 +1,12 @@
 package com.imyeyu.utils;
 
 import com.imyeyu.java.TimiJava;
-import lombok.Getter;
 
 import java.text.SimpleDateFormat;
 import java.time.Instant;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.ZoneId;
-import java.time.temporal.ChronoUnit;
 import java.util.Date;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -77,6 +75,9 @@ public class Time {
 	/** 格式化 yyyy-MM-dd'T'HH:mm:ss */
 	public static final SimpleDateFormat dateTimeT = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
 
+	/** 格式化 yyyy-MM-dd HH:mm:ss */
+	public static final SimpleDateFormat serialize = new SimpleDateFormat("yyyyMMddHHmmss");
+
 	// ---------- 长整型时间戳 ----------
 
 	/** 1 秒时间戳 */
@@ -105,31 +106,6 @@ public class Time {
 	/** 1 天时间戳（整型） */
 	public static final int DI = HI * 24;
 
-	/**
-	 * 计算两个时间戳精确的日期时间差
-	 *
-	 * @param begin 开始时间戳
-	 * @param end   结束时间戳
-	 * @return 时差
-	 */
-	public static Between between(long begin, long end) {
-		if (end < begin) {
-			throw new IllegalArgumentException("end time must greater than begin time：" + end + " < " + begin);
-		}
-		LocalDateTime ldtBegin = toLocalDateTime(begin);
-		LocalDateTime ldtEnd = toLocalDateTime(end);
-
-		Between between = new Between();
-		between.year = (int) ChronoUnit.YEARS.between(ldtBegin, ldtEnd);
-		between.month = (int) ChronoUnit.MONTHS.between(ldtBegin, ldtEnd) % 12;
-		between.day = (int) ChronoUnit.DAYS.between(ldtBegin.plusMonths(between.year * 12L + between.month), ldtEnd);
-		between.hour = (int) (ChronoUnit.HOURS.between(ldtBegin, ldtEnd) - ChronoUnit.DAYS.between(ldtBegin, ldtEnd) * 24);
-		between.minute = (int) ChronoUnit.MINUTES.between(ldtBegin, ldtEnd) % 60;
-		between.second = (int) ChronoUnit.SECONDS.between(ldtBegin, ldtEnd) % 60;
-		between.millis = (int) ((end - begin) % 1000);
-		return between;
-	}
-
 	/**
 	 * 获取此刻毫秒
 	 *
@@ -154,7 +130,11 @@ public class Time {
 	 * @return 昨天零时时间戳
 	 */
 	public static long yesterday() {
-		return today() - D;
+		return yesterday(now());
+	}
+
+	public static long yesterday(long time) {
+		return today(time) - D;
 	}
 
 	/**
@@ -163,9 +143,11 @@ public class Time {
 	 * @return 今天零时时间戳
 	 */
 	public static long today() {
-		long now = now();
-		final long H8 = H * 8;
-		return ((now + H8 - (now + H8) % (H * 24)) - H8);
+		return today(now());
+	}
+
+	public static long today(long time) {
+		return Instant.ofEpochMilli(time).atZone(ZoneId.systemDefault()).toLocalDate().atStartOfDay(ZoneId.systemDefault()).toInstant().toEpochMilli();
 	}
 
 	/**
@@ -174,7 +156,11 @@ public class Time {
 	 * @return 明天零时时间戳
 	 */
 	public static long tomorrow() {
-		return today() + D;
+		return tomorrow(now());
+	}
+
+	public static long tomorrow(long time) {
+		return today(time) + D;
 	}
 
 	/**
@@ -380,35 +366,4 @@ public class Time {
 			return String.format("%d:%02d:%02d.%03d", h, s / 60 - h * 60, s % 60, millis % 1000);
 		}
 	}
-
-	/**
-	 * 时差
-	 *
-	 * @author 夜雨
-	 * @version 2022-10-12 14:46
-	 */
-	@Getter
-	public static class Between {
-
-		/** 年 */
-		int year;
-
-		/** 月 */
-		int month;
-
-		/** 天 */
-		int day;
-
-		/** 小时 */
-		int hour;
-
-		/** 分钟 */
-		int minute;
-
-		/** 秒 */
-		int second;
-
-		/** 毫秒 */
-		int millis;
-	}
 }