diff --git a/hutool-core/src/test/java/org/dromara/hutool/core/util/ZipUtilTest.java b/hutool-core/src/test/java/org/dromara/hutool/core/compress/ZipUtilTest.java
similarity index 98%
rename from hutool-core/src/test/java/org/dromara/hutool/core/util/ZipUtilTest.java
rename to hutool-core/src/test/java/org/dromara/hutool/core/compress/ZipUtilTest.java
index 57dd0d136..d2bce812e 100644
--- a/hutool-core/src/test/java/org/dromara/hutool/core/util/ZipUtilTest.java
+++ b/hutool-core/src/test/java/org/dromara/hutool/core/compress/ZipUtilTest.java
@@ -14,15 +14,15 @@
  * limitations under the License.
  */
 
-package org.dromara.hutool.core.util;
+package org.dromara.hutool.core.compress;
 
-import org.dromara.hutool.core.compress.ZipReader;
-import org.dromara.hutool.core.compress.ZipUtil;
 import org.dromara.hutool.core.io.IORuntimeException;
 import org.dromara.hutool.core.io.file.FileUtil;
 import org.dromara.hutool.core.io.file.PathUtil;
 import org.dromara.hutool.core.lang.Console;
 import org.dromara.hutool.core.text.StrUtil;
+import org.dromara.hutool.core.util.ByteUtil;
+import org.dromara.hutool.core.util.CharsetUtil;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
diff --git a/hutool-core/src/test/java/org/dromara/hutool/core/util/ModifierUtilTest.java b/hutool-core/src/test/java/org/dromara/hutool/core/reflect/ModifierUtilTest.java
similarity index 94%
rename from hutool-core/src/test/java/org/dromara/hutool/core/util/ModifierUtilTest.java
rename to hutool-core/src/test/java/org/dromara/hutool/core/reflect/ModifierUtilTest.java
index 34a10b180..598c0c3d6 100644
--- a/hutool-core/src/test/java/org/dromara/hutool/core/util/ModifierUtilTest.java
+++ b/hutool-core/src/test/java/org/dromara/hutool/core/reflect/ModifierUtilTest.java
@@ -14,11 +14,8 @@
  * limitations under the License.
  */
 
-package org.dromara.hutool.core.util;
+package org.dromara.hutool.core.reflect;
 
-import org.dromara.hutool.core.reflect.FieldUtil;
-import org.dromara.hutool.core.reflect.ModifierType;
-import org.dromara.hutool.core.reflect.ModifierUtil;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.condition.EnabledForJreRange;
diff --git a/hutool-core/src/test/java/org/dromara/hutool/core/util/ReUtilTest.java b/hutool-core/src/test/java/org/dromara/hutool/core/regex/ReUtilTest.java
similarity index 98%
rename from hutool-core/src/test/java/org/dromara/hutool/core/util/ReUtilTest.java
rename to hutool-core/src/test/java/org/dromara/hutool/core/regex/ReUtilTest.java
index 2d964dd89..3992a5a45 100644
--- a/hutool-core/src/test/java/org/dromara/hutool/core/util/ReUtilTest.java
+++ b/hutool-core/src/test/java/org/dromara/hutool/core/regex/ReUtilTest.java
@@ -14,12 +14,10 @@
  * limitations under the License.
  */
 
-package org.dromara.hutool.core.util;
+package org.dromara.hutool.core.regex;
 
 import org.dromara.hutool.core.collection.ListUtil;
 import org.dromara.hutool.core.lang.Console;
-import org.dromara.hutool.core.regex.PatternPool;
-import org.dromara.hutool.core.regex.ReUtil;
 import org.dromara.hutool.core.text.StrUtil;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
diff --git a/hutool-core/src/test/java/org/dromara/hutool/core/util/SystemUtilTest.java b/hutool-core/src/test/java/org/dromara/hutool/core/util/SystemUtilTest.java
new file mode 100644
index 000000000..cba4f96c8
--- /dev/null
+++ b/hutool-core/src/test/java/org/dromara/hutool/core/util/SystemUtilTest.java
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2024 Hutool Team and hutool.cn
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.dromara.hutool.core.util;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class SystemUtilTest {
+	@Test
+	void getSystemPropertiesTest() {
+		final String s = SystemUtil.get("path");
+		Assertions.assertNotNull(s);
+	}
+}
diff --git a/hutool-extra/src/test/java/org/dromara/hutool/extra/management/SystemUtilTest.java b/hutool-extra/src/test/java/org/dromara/hutool/extra/management/ManagementUtilTest.java
similarity index 98%
rename from hutool-extra/src/test/java/org/dromara/hutool/extra/management/SystemUtilTest.java
rename to hutool-extra/src/test/java/org/dromara/hutool/extra/management/ManagementUtilTest.java
index 3fdb0aa51..7bf32e999 100644
--- a/hutool-extra/src/test/java/org/dromara/hutool/extra/management/SystemUtilTest.java
+++ b/hutool-extra/src/test/java/org/dromara/hutool/extra/management/ManagementUtilTest.java
@@ -23,7 +23,7 @@ import org.junit.jupiter.api.Test;
 
 import java.io.File;
 
-public class SystemUtilTest {
+public class ManagementUtilTest {
 
 	@Test
 	@Disabled