diff --git a/hutool-core/src/test/java/cn/hutool/core/text/csv/Issue3705Test.java b/hutool-core/src/test/java/cn/hutool/core/text/csv/Issue3705Test.java
index efe05ac34..8763f0ba8 100644
--- a/hutool-core/src/test/java/cn/hutool/core/text/csv/Issue3705Test.java
+++ b/hutool-core/src/test/java/cn/hutool/core/text/csv/Issue3705Test.java
@@ -1,6 +1,6 @@
 package cn.hutool.core.text.csv;
 
-import cn.hutool.core.io.FileUtil;
+import cn.hutool.core.util.CharUtil;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
@@ -19,8 +19,10 @@ public class Issue3705Test {
 			csvWriter.flush();
 		}
 
+		String lineSeparator = new String(new char[]{CharUtil.CR, CharUtil.LF});
+
 		Assertions.assertEquals(
-			"\"2024-08-20 14:24:35,\"" + FileUtil.getLineSeparator() + "最后一行",
+			"\"2024-08-20 14:24:35,\"" + lineSeparator + "最后一行",
 			stringWriter.toString());
 	}
 }