diff --git a/pom.xml b/pom.xml
index 252034e..819d8b8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
 	<groupId>com.imyeyu.java</groupId>
 	<artifactId>timi-java</artifactId>
-	<version>0.0.6</version>
+	<version>0.0.7</version>
 	<packaging>jar</packaging>
 
 	<properties>
diff --git a/src/main/java/com/imyeyu/java/TimiJava.java b/src/main/java/com/imyeyu/java/TimiJava.java
index 8982221..826fb1e 100644
--- a/src/main/java/com/imyeyu/java/TimiJava.java
+++ b/src/main/java/com/imyeyu/java/TimiJava.java
@@ -5,7 +5,6 @@ import java.io.StringWriter;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Map;
-import java.util.Objects;
 
 /**
  * 通用工具
@@ -81,6 +80,15 @@ public interface TimiJava {
 		return false;
 	}
 
+	static boolean allEmpty(Object... objects) {
+		for (Object object : objects) {
+			if (isNotEmpty(object)) {
+				return false;
+			}
+		}
+		return true;
+	}
+
 	static boolean allNotEmpty(Object... objects) {
 		for (Object object : objects) {
 			if (isEmpty(object)) {
@@ -105,7 +113,7 @@ public interface TimiJava {
 	 * @param <T> 对象类型
 	 */
 	static <T> T defaultIfNull(T obj, T defaultObj) {
-		return Objects.requireNonNullElse(obj, defaultObj);
+		return obj != null ? obj : defaultObj;
 	}
 
 	/**
diff --git a/src/main/java/com/imyeyu/java/bean/BasePage.java b/src/main/java/com/imyeyu/java/bean/BasePage.java
index 778c081..d0d4353 100644
--- a/src/main/java/com/imyeyu/java/bean/BasePage.java
+++ b/src/main/java/com/imyeyu/java/bean/BasePage.java
@@ -30,4 +30,22 @@ public class BasePage {
 	public void next() {
 		index++;
 	}
+
+	/**
+	 * 获取偏移量
+	 *
+	 * @return 偏移量
+	 */
+	public long getOffset() {
+		return (long) index * size;
+	}
+
+	/**
+	 * 获取限制数量
+	 *
+	 * @return 限制数量
+	 */
+	public long getLimit() {
+		return size;
+	}
 }