diff --git a/Changelog.md b/Changelog.md
index 5fee0f2..5c82a38 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,4 +1,19 @@
 
+0.4.0 发布日期：2016-08-10
+----
+
+**不兼容改动**
+
+为了与其它语言 SDK 类型名保持一致，将主要类型名称的 Lean 前缀去掉。如
+果升级，请注意同步修改代码。
+
+以下是去掉 `Lean` 前缀的类型列表：
+
+```
+LeanACL LeanBytes LeanClient LeanFile LeanObject LeanPush
+LeanQuery LeanRelation LeanRole LeanUser
+```
+
 0.3.0 发布日期：2016-06-30
 ----
 
diff --git a/Makefile b/Makefile
index 769508f..1521619 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 test:
-	vendor/bin/phpunit
+	vendor/bin/phpunit test
 
 release:
 	./release.sh $V
@@ -8,6 +8,6 @@ doc:
 	vendor/bin/apigen generate --source src --destination docs
 
 test_engine:
-	php -S ${LC_APP_HOST}:${LC_APP_PORT} tests/engine/index.php
+	php -S ${LC_APP_HOST}:${LC_APP_PORT} test/engine/index.php
 
 .PHONY: test doc test_engine
diff --git a/release.sh b/release.sh
index 6eb87a1..e61e46d 100755
--- a/release.sh
+++ b/release.sh
@@ -24,7 +24,7 @@ mv  Changelog.md.0 Changelog.md
 
 # portable solution in perl
 perl -pi -e "s/const VERSION = .*\;/const VERSION = \'$version\'\;/" \
-    src/LeanCloud/LeanClient.php
+    src/LeanCloud/Client.php
 
 echo "Done! Ready to commit and release $version!"
 
diff --git a/src/LeanCloud/Client.php b/src/LeanCloud/Client.php
index a9f6c50..06338f9 100644
--- a/src/LeanCloud/Client.php
+++ b/src/LeanCloud/Client.php
@@ -23,7 +23,7 @@ class Client {
     /**
      * Client version
      */
-    const VERSION = '0.3.0';
+    const VERSION = '0.4.0';
 
     /**
      * API Endpoints for Regions
diff --git a/tests/LeanACLTest.php b/test/ACLTest.php
similarity index 100%
rename from tests/LeanACLTest.php
rename to test/ACLTest.php
diff --git a/tests/LeanAPITest.php b/test/APITest.php
similarity index 100%
rename from tests/LeanAPITest.php
rename to test/APITest.php
diff --git a/tests/ArrayOperationTest.php b/test/ArrayOperationTest.php
similarity index 100%
rename from tests/ArrayOperationTest.php
rename to test/ArrayOperationTest.php
diff --git a/tests/LeanBytesTest.php b/test/BytesTest.php
similarity index 100%
rename from tests/LeanBytesTest.php
rename to test/BytesTest.php
diff --git a/tests/LeanClientTest.php b/test/ClientTest.php
similarity index 100%
rename from tests/LeanClientTest.php
rename to test/ClientTest.php
diff --git a/tests/CloudTest.php b/test/CloudTest.php
similarity index 100%
rename from tests/CloudTest.php
rename to test/CloudTest.php
diff --git a/tests/DeleteOperationTest.php b/test/DeleteOperationTest.php
similarity index 100%
rename from tests/DeleteOperationTest.php
rename to test/DeleteOperationTest.php
diff --git a/tests/LeanFileTest.php b/test/FileTest.php
similarity index 100%
rename from tests/LeanFileTest.php
rename to test/FileTest.php
diff --git a/tests/GeoPointTest.php b/test/GeoPointTest.php
similarity index 100%
rename from tests/GeoPointTest.php
rename to test/GeoPointTest.php
diff --git a/tests/IncrementOperationTest.php b/test/IncrementOperationTest.php
similarity index 100%
rename from tests/IncrementOperationTest.php
rename to test/IncrementOperationTest.php
diff --git a/tests/LeanObjectTest.php b/test/ObjectTest.php
similarity index 100%
rename from tests/LeanObjectTest.php
rename to test/ObjectTest.php
diff --git a/tests/LeanPushTest.php b/test/PushTest.php
similarity index 100%
rename from tests/LeanPushTest.php
rename to test/PushTest.php
diff --git a/tests/LeanQueryTest.php b/test/QueryTest.php
similarity index 100%
rename from tests/LeanQueryTest.php
rename to test/QueryTest.php
diff --git a/tests/RelationOperationTest.php b/test/RelationOperationTest.php
similarity index 100%
rename from tests/RelationOperationTest.php
rename to test/RelationOperationTest.php
diff --git a/tests/LeanRelationTest.php b/test/RelationTest.php
similarity index 100%
rename from tests/LeanRelationTest.php
rename to test/RelationTest.php
diff --git a/tests/LeanRoleTest.php b/test/RoleTest.php
similarity index 100%
rename from tests/LeanRoleTest.php
rename to test/RoleTest.php
diff --git a/tests/SetOperationTest.php b/test/SetOperationTest.php
similarity index 100%
rename from tests/SetOperationTest.php
rename to test/SetOperationTest.php
diff --git a/tests/StorageTest.php b/test/StorageTest.php
similarity index 100%
rename from tests/StorageTest.php
rename to test/StorageTest.php
diff --git a/tests/LeanUserTest.php b/test/UserTest.php
similarity index 100%
rename from tests/LeanUserTest.php
rename to test/UserTest.php
diff --git a/tests/engine/LeanEngineTest.php b/test/engine/LeanEngineTest.php
similarity index 100%
rename from tests/engine/LeanEngineTest.php
rename to test/engine/LeanEngineTest.php
diff --git a/tests/engine/index.php b/test/engine/index.php
similarity index 100%
rename from tests/engine/index.php
rename to test/engine/index.php