diff --git a/src/main/java/com/baidu/unbiz/devlib/cache/decorators/BlockingCache.java b/src/main/java/com/baidu/unbiz/devlib/cache/decorators/BlockingCache.java
index 6fa3950..c6fbcb8 100644
--- a/src/main/java/com/baidu/unbiz/devlib/cache/decorators/BlockingCache.java
+++ b/src/main/java/com/baidu/unbiz/devlib/cache/decorators/BlockingCache.java
@@ -7,7 +7,7 @@
 import java.util.concurrent.locks.ReentrantLock;
 
 import com.baidu.unbiz.devlib.cache.Cache;
-import com.baidu.unbiz.devlib.exception.CacheException;
+import com.baidu.unbiz.devlib.cache.exception.CacheException;
 
 /**
  * Simple blocking decorator
diff --git a/src/main/java/com/baidu/unbiz/devlib/cache/decorators/SerializedCache.java b/src/main/java/com/baidu/unbiz/devlib/cache/decorators/SerializedCache.java
index c39aa0f..adc3c5b 100644
--- a/src/main/java/com/baidu/unbiz/devlib/cache/decorators/SerializedCache.java
+++ b/src/main/java/com/baidu/unbiz/devlib/cache/decorators/SerializedCache.java
@@ -10,7 +10,7 @@
 import java.io.Serializable;
 import java.util.concurrent.locks.ReadWriteLock;
 
-import com.baidu.unbiz.devlib.exception.CacheException;
+import com.baidu.unbiz.devlib.cache.exception.CacheException;
 import com.baidu.unbiz.devlib.cache.Cache;
 
 public class SerializedCache implements Cache {
diff --git a/src/main/java/com/baidu/unbiz/devlib/exception/CacheException.java b/src/main/java/com/baidu/unbiz/devlib/cache/exception/CacheException.java
similarity index 90%
rename from src/main/java/com/baidu/unbiz/devlib/exception/CacheException.java
rename to src/main/java/com/baidu/unbiz/devlib/cache/exception/CacheException.java
index bf5bf05..d28da29 100644
--- a/src/main/java/com/baidu/unbiz/devlib/exception/CacheException.java
+++ b/src/main/java/com/baidu/unbiz/devlib/cache/exception/CacheException.java
@@ -1,4 +1,4 @@
-package com.baidu.unbiz.devlib.exception;
+package com.baidu.unbiz.devlib.cache.exception;
 
 /**
  * 缓存类异常
diff --git a/src/main/java/com/baidu/unbiz/devlib/cache/impl/PerpetualCache.java b/src/main/java/com/baidu/unbiz/devlib/cache/impl/PerpetualCache.java
index a9bf281..6e87a36 100644
--- a/src/main/java/com/baidu/unbiz/devlib/cache/impl/PerpetualCache.java
+++ b/src/main/java/com/baidu/unbiz/devlib/cache/impl/PerpetualCache.java
@@ -4,7 +4,7 @@
 import java.util.Map;
 import java.util.concurrent.locks.ReadWriteLock;
 
-import com.baidu.unbiz.devlib.exception.CacheException;
+import com.baidu.unbiz.devlib.cache.exception.CacheException;
 import com.baidu.unbiz.devlib.cache.Cache;
 
 /**
diff --git a/src/main/java/com/baidu/unbiz/devlib/common/GenericsAware.java b/src/main/java/com/baidu/unbiz/devlib/common/GenericsAware.java
index fe4df5e..19b3150 100644
--- a/src/main/java/com/baidu/unbiz/devlib/common/GenericsAware.java
+++ b/src/main/java/com/baidu/unbiz/devlib/common/GenericsAware.java
@@ -4,7 +4,7 @@
 import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Type;
 
-import com.baidu.unbiz.devlib.util.ClassUtils;
+import com.baidu.unbiz.devlib.utils.ClassUtils;
 
 
 /**
diff --git a/src/main/java/com/baidu/unbiz/devlib/exception/DevLibException.java b/src/main/java/com/baidu/unbiz/devlib/common/exception/DevLibException.java
similarity index 88%
rename from src/main/java/com/baidu/unbiz/devlib/exception/DevLibException.java
rename to src/main/java/com/baidu/unbiz/devlib/common/exception/DevLibException.java
index a3df4df..ef791bb 100644
--- a/src/main/java/com/baidu/unbiz/devlib/exception/DevLibException.java
+++ b/src/main/java/com/baidu/unbiz/devlib/common/exception/DevLibException.java
@@ -1,4 +1,4 @@
-package com.baidu.unbiz.devlib.exception;
+package com.baidu.unbiz.devlib.common.exception;
 
 public class DevLibException extends RuntimeException {
 
diff --git a/src/main/java/com/baidu/unbiz/devlib/log/AopLogFactory.java b/src/main/java/com/baidu/unbiz/devlib/common/log/AopLogFactory.java
similarity index 99%
rename from src/main/java/com/baidu/unbiz/devlib/log/AopLogFactory.java
rename to src/main/java/com/baidu/unbiz/devlib/common/log/AopLogFactory.java
index e4ae2ac..6155a30 100644
--- a/src/main/java/com/baidu/unbiz/devlib/log/AopLogFactory.java
+++ b/src/main/java/com/baidu/unbiz/devlib/common/log/AopLogFactory.java
@@ -1,4 +1,4 @@
-package com.baidu.unbiz.devlib.log;
+package com.baidu.unbiz.devlib.common.log;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
diff --git a/src/main/java/com/baidu/unbiz/devlib/log/ThreadLog.java b/src/main/java/com/baidu/unbiz/devlib/common/log/ThreadLog.java
similarity index 96%
rename from src/main/java/com/baidu/unbiz/devlib/log/ThreadLog.java
rename to src/main/java/com/baidu/unbiz/devlib/common/log/ThreadLog.java
index eb3033f..e5ca717 100644
--- a/src/main/java/com/baidu/unbiz/devlib/log/ThreadLog.java
+++ b/src/main/java/com/baidu/unbiz/devlib/common/log/ThreadLog.java
@@ -1,4 +1,4 @@
-package com.baidu.unbiz.devlib.log;
+package com.baidu.unbiz.devlib.common.log;
 
 
 /**
diff --git a/src/main/java/com/baidu/unbiz/devlib/log/ThreadLogContext.java b/src/main/java/com/baidu/unbiz/devlib/common/log/ThreadLogContext.java
similarity index 98%
rename from src/main/java/com/baidu/unbiz/devlib/log/ThreadLogContext.java
rename to src/main/java/com/baidu/unbiz/devlib/common/log/ThreadLogContext.java
index c05a09a..a767e85 100644
--- a/src/main/java/com/baidu/unbiz/devlib/log/ThreadLogContext.java
+++ b/src/main/java/com/baidu/unbiz/devlib/common/log/ThreadLogContext.java
@@ -1,4 +1,4 @@
-package com.baidu.unbiz.devlib.log;
+package com.baidu.unbiz.devlib.common.log;
 
 import java.io.Serializable;
 import java.util.HashMap;
diff --git a/src/main/java/com/baidu/unbiz/devlib/joiner/JoinerCodeGenerator.java b/src/main/java/com/baidu/unbiz/devlib/joiner/JoinerCodeGenerator.java
index 9a6a3a0..3c799ab 100644
--- a/src/main/java/com/baidu/unbiz/devlib/joiner/JoinerCodeGenerator.java
+++ b/src/main/java/com/baidu/unbiz/devlib/joiner/JoinerCodeGenerator.java
@@ -18,11 +18,11 @@
 import org.slf4j.Logger;
 
 import com.baidu.unbiz.devlib.common.MethodPair;
-import com.baidu.unbiz.devlib.exception.DevLibException;
-import com.baidu.unbiz.devlib.log.AopLogFactory;
+import com.baidu.unbiz.devlib.common.exception.DevLibException;
+import com.baidu.unbiz.devlib.common.log.AopLogFactory;
 import com.baidu.unbiz.devlib.cache.AtomicComputeCache;
-import com.baidu.unbiz.devlib.util.ClassUtils;
-import com.baidu.unbiz.devlib.util.Fs64Utils;
+import com.baidu.unbiz.devlib.utils.ClassUtils;
+import com.baidu.unbiz.devlib.utils.Fs64Utils;
 
 /**
  * 代码生成类
diff --git a/src/main/java/com/baidu/unbiz/devlib/joiner/JoinerUtils.java b/src/main/java/com/baidu/unbiz/devlib/joiner/JoinerUtils.java
index 2a71a1b..f2b4c8b 100644
--- a/src/main/java/com/baidu/unbiz/devlib/joiner/JoinerUtils.java
+++ b/src/main/java/com/baidu/unbiz/devlib/joiner/JoinerUtils.java
@@ -11,7 +11,7 @@
 import org.apache.commons.collections.CollectionUtils;
 import org.slf4j.Logger;
 
-import com.baidu.unbiz.devlib.log.AopLogFactory;
+import com.baidu.unbiz.devlib.common.log.AopLogFactory;
 
 /**
  * Created by wangchongjie on 16/3/23.
diff --git a/src/main/java/com/baidu/unbiz/devlib/toolbox/IdCollector.java b/src/main/java/com/baidu/unbiz/devlib/toolbox/object/IdCollector.java
similarity index 98%
rename from src/main/java/com/baidu/unbiz/devlib/toolbox/IdCollector.java
rename to src/main/java/com/baidu/unbiz/devlib/toolbox/object/IdCollector.java
index 6516411..4273be8 100644
--- a/src/main/java/com/baidu/unbiz/devlib/toolbox/IdCollector.java
+++ b/src/main/java/com/baidu/unbiz/devlib/toolbox/object/IdCollector.java
@@ -1,4 +1,4 @@
-package com.baidu.unbiz.devlib.toolbox;
+package com.baidu.unbiz.devlib.toolbox.object;
 
 import java.lang.reflect.Field;
 import java.util.Collection;
diff --git a/src/main/java/com/baidu/unbiz/devlib/util/ClassUtils.java b/src/main/java/com/baidu/unbiz/devlib/utils/ClassUtils.java
similarity index 99%
rename from src/main/java/com/baidu/unbiz/devlib/util/ClassUtils.java
rename to src/main/java/com/baidu/unbiz/devlib/utils/ClassUtils.java
index 3814bb1..f52396a 100644
--- a/src/main/java/com/baidu/unbiz/devlib/util/ClassUtils.java
+++ b/src/main/java/com/baidu/unbiz/devlib/utils/ClassUtils.java
@@ -1,4 +1,4 @@
-package com.baidu.unbiz.devlib.util;
+package com.baidu.unbiz.devlib.utils;
 
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Field;
diff --git a/src/main/java/com/baidu/unbiz/devlib/util/ClassUtilsInternal.java b/src/main/java/com/baidu/unbiz/devlib/utils/ClassUtilsInternal.java
similarity index 99%
rename from src/main/java/com/baidu/unbiz/devlib/util/ClassUtilsInternal.java
rename to src/main/java/com/baidu/unbiz/devlib/utils/ClassUtilsInternal.java
index 7882c0d..92c002d 100644
--- a/src/main/java/com/baidu/unbiz/devlib/util/ClassUtilsInternal.java
+++ b/src/main/java/com/baidu/unbiz/devlib/utils/ClassUtilsInternal.java
@@ -1,4 +1,4 @@
-package com.baidu.unbiz.devlib.util;
+package com.baidu.unbiz.devlib.utils;
 
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Field;
diff --git a/src/main/java/com/baidu/unbiz/devlib/util/Fs64Utils.java b/src/main/java/com/baidu/unbiz/devlib/utils/Fs64Utils.java
similarity index 99%
rename from src/main/java/com/baidu/unbiz/devlib/util/Fs64Utils.java
rename to src/main/java/com/baidu/unbiz/devlib/utils/Fs64Utils.java
index 20a4845..a2245af 100644
--- a/src/main/java/com/baidu/unbiz/devlib/util/Fs64Utils.java
+++ b/src/main/java/com/baidu/unbiz/devlib/utils/Fs64Utils.java
@@ -1,4 +1,4 @@
-package com.baidu.unbiz.devlib.util;
+package com.baidu.unbiz.devlib.utils;
 
 import java.math.BigInteger;
 import java.util.Collection;