diff --git a/hippo4j-common/pom.xml b/hippo4j-common/pom.xml
index 5a6598bb..7b6c6fec 100644
--- a/hippo4j-common/pom.xml
+++ b/hippo4j-common/pom.xml
@@ -70,6 +70,12 @@
             <groupId>cn.hutool</groupId>
             <artifactId>hutool-all</artifactId>
         </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/ArrayUtilTest.java b/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/ArrayUtilTest.java
new file mode 100644
index 00000000..c237c461
--- /dev/null
+++ b/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/ArrayUtilTest.java
@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 cn.hippo4j.common.toolkit;
+
+import org.junit.Test;
+
+public class ArrayUtilTest {
+
+    @Test
+    public void assertIsEmpty() {
+        String[] array = new String[0];
+        Assert.isTrue(ArrayUtil.isEmpty(array));
+    }
+
+    @Test
+    public void assertIsNotEmpty() {
+
+    }
+
+    @Test
+    public void assertFirstMatch() {
+
+    }
+
+    @Test
+    public void assertAddAll() {
+
+    }
+
+    @Test
+    public void assertClone() {
+
+    }
+}
diff --git a/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/BooleanUtilTest.java b/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/BooleanUtilTest.java
new file mode 100644
index 00000000..8613f03b
--- /dev/null
+++ b/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/BooleanUtilTest.java
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 cn.hippo4j.common.toolkit;
+
+import org.junit.Test;
+
+public class BooleanUtilTest {
+
+    @Test
+    public void assertToBoolean() {
+
+    }
+
+    @Test
+    public void assertIsTrue() {
+
+    }
+}
diff --git a/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/ByteConvertUtilTest.java b/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/ByteConvertUtilTest.java
new file mode 100644
index 00000000..04bbc0d5
--- /dev/null
+++ b/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/ByteConvertUtilTest.java
@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 cn.hippo4j.common.toolkit;
+
+import org.junit.Test;
+
+public class ByteConvertUtilTest {
+
+    @Test
+    public void assertGetPrintSize() {
+
+    }
+}
diff --git a/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/CalculateUtilTest.java b/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/CalculateUtilTest.java
new file mode 100644
index 00000000..55ca885b
--- /dev/null
+++ b/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/CalculateUtilTest.java
@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 cn.hippo4j.common.toolkit;
+
+import org.junit.Test;
+
+public class CalculateUtilTest {
+
+    @Test
+    public void assertDivide() {
+
+    }
+}
diff --git a/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/CollectionUtilTest.java b/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/CollectionUtilTest.java
new file mode 100644
index 00000000..f2e47338
--- /dev/null
+++ b/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/CollectionUtilTest.java
@@ -0,0 +1,38 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 cn.hippo4j.common.toolkit;
+
+import org.junit.Test;
+
+public class CollectionUtilTest {
+
+    @Test
+    public void assertGetFirst() {
+
+    }
+
+    @Test
+    public void assertIsEmpty() {
+
+    }
+
+    @Test
+    public void assertIsNotEmpty() {
+
+    }
+}
diff --git a/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/ConditionUtilTest.java b/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/ConditionUtilTest.java
new file mode 100644
index 00000000..195e190b
--- /dev/null
+++ b/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/ConditionUtilTest.java
@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 cn.hippo4j.common.toolkit;
+
+import org.junit.Test;
+
+public class ConditionUtilTest {
+
+    @Test
+    public void assertCondition() {
+
+    }
+}
diff --git a/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/ContentUtilTest.java b/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/ContentUtilTest.java
new file mode 100644
index 00000000..9fe6d1bb
--- /dev/null
+++ b/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/ContentUtilTest.java
@@ -0,0 +1,38 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 cn.hippo4j.common.toolkit;
+
+import org.junit.Test;
+
+public class ContentUtilTest {
+
+    @Test
+    public void assertGetPoolContent() {
+
+    }
+
+    @Test
+    public void assertGetGroupKey() {
+
+    }
+
+    @Test
+    public void assertGetGroupKeys() {
+
+    }
+}
diff --git a/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/FileUtilTest.java b/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/FileUtilTest.java
new file mode 100644
index 00000000..9734dbd3
--- /dev/null
+++ b/hippo4j-common/src/test/java/cn/hippo4j/common/toolkit/FileUtilTest.java
@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 cn.hippo4j.common.toolkit;
+
+import org.junit.Test;
+
+public class FileUtilTest {
+
+    @Test
+    public void assertReadUtf8String() {
+
+    }
+}