diff --git a/hutool-core/src/main/java/cn/hutool/core/date/format/FastDatePrinter.java b/hutool-core/src/main/java/cn/hutool/core/date/format/FastDatePrinter.java
index b69e32b86..4d60f18f4 100644
--- a/hutool-core/src/main/java/cn/hutool/core/date/format/FastDatePrinter.java
+++ b/hutool-core/src/main/java/cn/hutool/core/date/format/FastDatePrinter.java
@@ -299,7 +299,7 @@ public class FastDatePrinter extends AbstractDateBasic implements DatePrinter {
 		} else if (obj instanceof Calendar) {
 			return format((Calendar) obj);
 		} else if (obj instanceof Long) {
-			return format(((Long) obj).longValue());
+			return format(((Long) obj));
 		} else {
 			throw new IllegalArgumentException("Unknown class: " + (obj == null ? "<null>" : obj.getClass().getName()));
 		}
diff --git a/hutool-core/src/main/java/cn/hutool/core/lang/mutable/MutableBool.java b/hutool-core/src/main/java/cn/hutool/core/lang/mutable/MutableBool.java
index ffd2b67c5..2edf65727 100644
--- a/hutool-core/src/main/java/cn/hutool/core/lang/mutable/MutableBool.java
+++ b/hutool-core/src/main/java/cn/hutool/core/lang/mutable/MutableBool.java
@@ -51,7 +51,7 @@ public class MutableBool implements Comparable<MutableBool>, Mutable<Boolean>, S
 
 	@Override
 	public void set(final Boolean value) {
-		this.value = value.booleanValue();
+		this.value = value;
 	}
 
 	// -----------------------------------------------------------------------