diff --git a/hutool-core/src/main/java/org/dromara/hutool/core/util/BooleanUtil.java b/hutool-core/src/main/java/org/dromara/hutool/core/util/BooleanUtil.java
index 637e56f2b..753defc0f 100644
--- a/hutool-core/src/main/java/org/dromara/hutool/core/util/BooleanUtil.java
+++ b/hutool-core/src/main/java/org/dromara/hutool/core/util/BooleanUtil.java
@@ -32,9 +32,9 @@ import java.util.Set;
 public class BooleanUtil {
 
 	/** 表示为真的字符串 */
-	private static final Set<String> TRUE_SET = SetUtil.of("true", "yes", "y", "t", "ok", "1", "on", "是", "对", "真", "對", "√");
+	private static final Set<String> TRUE_SET = SetUtil.of("true", "yes", "y", "Y", "t", "ok", "1", "on", "是", "对", "真", "對", "√");
 	/** 表示为假的字符串 */
-	private static final Set<String> FALSE_SET = SetUtil.of("false", "no", "n", "f", "0", "off", "否", "错", "假", "錯", "×");
+	private static final Set<String> FALSE_SET = SetUtil.of("false", "no", "n", "N", "f", "0", "off", "否", "错", "假", "錯", "×");
 
 	/**
 	 * 取相反值