diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2d0db712e..0a7707cbf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,8 @@
 ### 🐞Bug修复
 * 【core   】     修复RadixUtil.decode非static问题（issue#I3YPEH@Gitee）
 * 【core   】     修复EqualsBuilder数组判断问题（pr#1694@Github）
+* 【setting】     修复Props中Charset对象无法序列化的问题（pr#1694@Github）
+* 【db     】     修复PageResult首页判断逻辑问题（issue#1699@Github）
 
 -------------------------------------------------------------------------------------------------------------
 
diff --git a/hutool-core/src/main/java/cn/hutool/core/util/PageUtil.java b/hutool-core/src/main/java/cn/hutool/core/util/PageUtil.java
index d56e95234..6fcb73bce 100644
--- a/hutool-core/src/main/java/cn/hutool/core/util/PageUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/util/PageUtil.java
@@ -31,7 +31,7 @@ public class PageUtil {
 	 *
 	 * @param customFirstPageNo 自定义的首页页码，为0或者1
 	 */
-	public static void setFirstPageNo(int customFirstPageNo) {
+	synchronized public static void setFirstPageNo(int customFirstPageNo) {
 		firstPageNo = customFirstPageNo;
 	}
 
diff --git a/hutool-db/src/main/java/cn/hutool/db/PageResult.java b/hutool-db/src/main/java/cn/hutool/db/PageResult.java
index 097fc2945..3a0bd208f 100644
--- a/hutool-db/src/main/java/cn/hutool/db/PageResult.java
+++ b/hutool-db/src/main/java/cn/hutool/db/PageResult.java
@@ -16,7 +16,7 @@ public class PageResult<T> extends ArrayList<T> {
 	public static final int DEFAULT_PAGE_SIZE = Page.DEFAULT_PAGE_SIZE;
 
 	/**
-	 * 页码，0表示第一页
+	 * 页码，{@link PageUtil#getFirstPageNo()}表示第一页
 	 */
 	private int page;
 	/**
@@ -142,7 +142,7 @@ public class PageResult<T> extends ArrayList<T> {
 	 * @return 是否第一页
 	 */
 	public boolean isFirst() {
-		return this.page == 0;
+		return this.page == PageUtil.getFirstPageNo();
 	}
 
 	/**
diff --git a/hutool-setting/src/main/java/cn/hutool/setting/dialect/Props.java b/hutool-setting/src/main/java/cn/hutool/setting/dialect/Props.java
index 20d5d00bb..17ff59e81 100644
--- a/hutool-setting/src/main/java/cn/hutool/setting/dialect/Props.java
+++ b/hutool-setting/src/main/java/cn/hutool/setting/dialect/Props.java
@@ -67,9 +67,10 @@ public final class Props extends Properties implements BasicTypeGetter<String>,
 	private URL propertiesFileUrl;
 	private WatchMonitor watchMonitor;
 	/**
-	 * properties文件编码
+	 * properties文件编码<br>
+	 * issue#1701，此属性不能被序列化，故忽略序列化
 	 */
-	private Charset charset = CharsetUtil.CHARSET_ISO_8859_1;
+	private transient Charset charset = CharsetUtil.CHARSET_ISO_8859_1;
 	// ----------------------------------------------------------------------- 私有属性 end
 
 	/**