diff --git a/tamguo-common/src/main/java/com/tamguo/common/utils/ShaEncrypt.java b/tamguo-common/src/main/java/com/tamguo/common/encryption/ShaEncrypt.java
similarity index 93%
rename from tamguo-common/src/main/java/com/tamguo/common/utils/ShaEncrypt.java
rename to tamguo-common/src/main/java/com/tamguo/common/encryption/ShaEncrypt.java
index 171d979..629f807 100644
--- a/tamguo-common/src/main/java/com/tamguo/common/utils/ShaEncrypt.java
+++ b/tamguo-common/src/main/java/com/tamguo/common/encryption/ShaEncrypt.java
@@ -1,4 +1,4 @@
-package com.tamguo.common.utils;
+package com.tamguo.common.encryption;
 
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
diff --git a/tamguo-common/src/main/java/com/tamguo/common/utils/IdGen.java b/tamguo-common/src/main/java/com/tamguo/common/id/IdGen.java
similarity index 99%
rename from tamguo-common/src/main/java/com/tamguo/common/utils/IdGen.java
rename to tamguo-common/src/main/java/com/tamguo/common/id/IdGen.java
index f44b5e1..7462bd4 100644
--- a/tamguo-common/src/main/java/com/tamguo/common/utils/IdGen.java
+++ b/tamguo-common/src/main/java/com/tamguo/common/id/IdGen.java
@@ -1,4 +1,4 @@
-package com.tamguo.common.utils;
+package com.tamguo.common.id;
 
 public class IdGen
 {
diff --git a/tamguo-common/src/main/java/com/tamguo/common/utils/ObjectUtil.java b/tamguo-common/src/main/java/com/tamguo/common/serialize/ObjectUtil.java
similarity index 97%
rename from tamguo-common/src/main/java/com/tamguo/common/utils/ObjectUtil.java
rename to tamguo-common/src/main/java/com/tamguo/common/serialize/ObjectUtil.java
index e81775c..29ae18f 100644
--- a/tamguo-common/src/main/java/com/tamguo/common/utils/ObjectUtil.java
+++ b/tamguo-common/src/main/java/com/tamguo/common/serialize/ObjectUtil.java
@@ -1,4 +1,4 @@
-package com.tamguo.common.utils;
+package com.tamguo.common.serialize;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
diff --git a/tamguo-common/src/main/java/com/tamguo/common/utils/SerializeTranscoder.java b/tamguo-common/src/main/java/com/tamguo/common/serialize/SerializeTranscoder.java
similarity index 90%
rename from tamguo-common/src/main/java/com/tamguo/common/utils/SerializeTranscoder.java
rename to tamguo-common/src/main/java/com/tamguo/common/serialize/SerializeTranscoder.java
index 36b9f14..2920ee9 100644
--- a/tamguo-common/src/main/java/com/tamguo/common/utils/SerializeTranscoder.java
+++ b/tamguo-common/src/main/java/com/tamguo/common/serialize/SerializeTranscoder.java
@@ -1,4 +1,4 @@
-package com.tamguo.common.utils;
+package com.tamguo.common.serialize;
 
 import java.io.Closeable;