From 1fbed3151c75ff7c6d5a3d8e6995ab5f4a907edf Mon Sep 17 00:00:00 2001
From: Looly <loolly@gmail.com>
Date: Mon, 28 Feb 2022 18:09:40 +0800
Subject: [PATCH] fix code

---
 hutool-core/src/main/java/cn/hutool/core/text/StrJoiner.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/hutool-core/src/main/java/cn/hutool/core/text/StrJoiner.java b/hutool-core/src/main/java/cn/hutool/core/text/StrJoiner.java
index e2a8a5387..13f252fcb 100644
--- a/hutool-core/src/main/java/cn/hutool/core/text/StrJoiner.java
+++ b/hutool-core/src/main/java/cn/hutool/core/text/StrJoiner.java
@@ -289,7 +289,7 @@ public class StrJoiner implements Appendable, Serializable {
 
 	@Override
 	public StrJoiner append(CharSequence csq) {
-		return append(csq, 0, csq.length());
+		return append(csq, 0, StrUtil.length(csq));
 	}
 
 	@Override
@@ -303,6 +303,8 @@ public class StrJoiner implements Appendable, Serializable {
 					break;
 				case NULL_STRING:
 					csq = StrUtil.NULL;
+					endExclude = StrUtil.NULL.length();
+					break;
 			}
 		}
 		try {