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\ No newline at end of file
diff --git a/skywalking-api/pom.xml.bak b/skywalking-api/pom.xml.bak
deleted file mode 100644
index bf8b4eb926..0000000000
--- a/skywalking-api/pom.xml.bak
+++ /dev/null
@@ -1,36 +0,0 @@
-
- 4.0.0
-
- com.ai.paas.ipaas
- skywalking-api
- 1.0-SNAPSHOT
- jar
-
- skywalking-api
- http://maven.apache.org
-
-
- UTF-8
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- junit
- junit
- 4.11
- test
-
-
- org.apache.poi
- poi
- 3.13
- test
-
-
- io.netty
- netty-all
- 4.0.32.Final
-
-
-
diff --git a/skywalking-api/skywalking-api.iml b/skywalking-api/skywalking-api.iml
deleted file mode 100644
index 569320c71c..0000000000
--- a/skywalking-api/skywalking-api.iml
+++ /dev/null
@@ -1,18 +0,0 @@
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\ No newline at end of file
diff --git a/skywalking-api/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst b/skywalking-api/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/skywalking-api/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst b/skywalking-api/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
deleted file mode 100644
index db969ce75d..0000000000
--- a/skywalking-api/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
+++ /dev/null
@@ -1,24 +0,0 @@
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\model\SendData.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\buriedpoint\LocalBuriedPointSender.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\buffer\BufferPool.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\buffer\BufferGroup.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\api\IBuriedPointReceiver.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\buffer\ContextBuffer.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\model\ContextData.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\context\Context.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\buffer\config\BufferConfig.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\context\Span.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\buriedpoint\RPCBuriedPointReceiver.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\util\StringUtil.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\buriedpoint\ThreadFactoryBuriedPointSender.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\util\BuriedPointMachineUtil.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\util\ContextGenerator.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\sender\DataSenderFactory.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\util\ExceptionHandleUtil.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\api\IExceptionHandler.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\buriedpoint\ThreadBuriedPointSender.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\sender\protocol\ProtocolBuilder.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\buriedpoint\RPCBuriedPointSender.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\sender\DataSender.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\util\TraceIdGenerator.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\main\java\com\ai\cloud\skywalking\api\IBuriedPointSender.java
diff --git a/skywalking-api/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst b/skywalking-api/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/skywalking-api/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst b/skywalking-api/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
deleted file mode 100644
index ba5521965d..0000000000
--- a/skywalking-api/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
+++ /dev/null
@@ -1,5 +0,0 @@
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\test\java\com\ai\cloud\skywalking\sender\SenderTest.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\test\java\com\ai\cloud\skywalking\buffer\SpanBufferTest.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\test\java\com\ai\cloud\skywalking\buffer\ContextBufferThreadA.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\test\java\com\ai\cloud\skywalking\sender\SenderThread.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-api\src\test\java\com\ai\cloud\skywalking\buffer\ContextBufferThread.java
diff --git a/skywalking-api/target/surefire/surefire4879793830020611532tmp b/skywalking-api/target/surefire/surefire4879793830020611532tmp
deleted file mode 100644
index 37e57be32a..0000000000
--- a/skywalking-api/target/surefire/surefire4879793830020611532tmp
+++ /dev/null
@@ -1,28 +0,0 @@
-#surefire
-#Sat Nov 07 10:14:59 CST 2015
-testClassesDirectory=D\:\\iworkbench\\PaaS-PerformanceMonitor-DEV\\skywalking-api\\target\\test-classes
-classPathUrl.4=D\:\\Programs\\apache-maven-3.2.5\\local-repo\\org\\apache\\poi\\poi\\3.13\\poi-3.13.jar
-classPathUrl.3=D\:\\Programs\\apache-maven-3.2.5\\local-repo\\org\\hamcrest\\hamcrest-core\\1.3\\hamcrest-core-1.3.jar
-classPathUrl.2=D\:\\Programs\\apache-maven-3.2.5\\local-repo\\junit\\junit\\4.11\\junit-4.11.jar
-useManifestOnlyJar=true
-classPathUrl.1=D\:\\iworkbench\\PaaS-PerformanceMonitor-DEV\\skywalking-api\\target\\classes
-reportsDirectory=D\:\\iworkbench\\PaaS-PerformanceMonitor-DEV\\skywalking-api\\target\\surefire-reports
-classPathUrl.0=D\:\\iworkbench\\PaaS-PerformanceMonitor-DEV\\skywalking-api\\target\\test-classes
-providerConfiguration=org.apache.maven.surefire.junit4.JUnit4Provider
-testSuiteDefinitionTestSourceDirectory=D\:\\iworkbench\\PaaS-PerformanceMonitor-DEV\\skywalking-api\\src\\test\\java
-surefireClassPathUrl.1=D\:\\Programs\\apache-maven-3.2.5\\local-repo\\org\\apache\\maven\\surefire\\surefire-api\\2.12.4\\surefire-api-2.12.4.jar
-surefireClassPathUrl.0=D\:\\Programs\\apache-maven-3.2.5\\local-repo\\org\\apache\\maven\\surefire\\surefire-junit4\\2.12.4\\surefire-junit4-2.12.4.jar
-runOrder=filesystem
-useSystemClassLoader=true
-excludes0=**/*$*
-isTrimStackTrace=true
-tc.1=com.ai.cloud.skywalking.sender.SenderTest
-tc.0=com.ai.cloud.skywalking.buffer.SpanBufferTest
-enableAssertions=true
-includes2=**/*TestCase.java
-failIfNoTests=false
-includes1=**/*Test.java
-runStatisticsFile=D\:\\iworkbench\\PaaS-PerformanceMonitor-DEV\\skywalking-api\\.surefire-FD286B6C823F22651813459C484C842ACACC889D
-includes0=**/Test*.java
-childDelegation=false
-classPathUrl.5=D\:\\Programs\\apache-maven-3.2.5\\local-repo\\commons-codec\\commons-codec\\1.9\\commons-codec-1.9.jar
diff --git a/skywalking-api/target/surefire/surefire4993786420545565990tmp b/skywalking-api/target/surefire/surefire4993786420545565990tmp
deleted file mode 100644
index 4fdfb285b6..0000000000
--- a/skywalking-api/target/surefire/surefire4993786420545565990tmp
+++ /dev/null
@@ -1,28 +0,0 @@
-#surefire
-#Sat Nov 07 10:27:56 CST 2015
-testClassesDirectory=D\:\\iworkbench\\PaaS-PerformanceMonitor-DEV\\skywalking-api\\target\\test-classes
-classPathUrl.4=D\:\\Programs\\apache-maven-3.2.5\\local-repo\\org\\apache\\poi\\poi\\3.13\\poi-3.13.jar
-classPathUrl.3=D\:\\Programs\\apache-maven-3.2.5\\local-repo\\org\\hamcrest\\hamcrest-core\\1.3\\hamcrest-core-1.3.jar
-classPathUrl.2=D\:\\Programs\\apache-maven-3.2.5\\local-repo\\junit\\junit\\4.11\\junit-4.11.jar
-useManifestOnlyJar=true
-classPathUrl.1=D\:\\iworkbench\\PaaS-PerformanceMonitor-DEV\\skywalking-api\\target\\classes
-reportsDirectory=D\:\\iworkbench\\PaaS-PerformanceMonitor-DEV\\skywalking-api\\target\\surefire-reports
-classPathUrl.0=D\:\\iworkbench\\PaaS-PerformanceMonitor-DEV\\skywalking-api\\target\\test-classes
-providerConfiguration=org.apache.maven.surefire.junit4.JUnit4Provider
-testSuiteDefinitionTestSourceDirectory=D\:\\iworkbench\\PaaS-PerformanceMonitor-DEV\\skywalking-api\\src\\test\\java
-surefireClassPathUrl.1=D\:\\Programs\\apache-maven-3.2.5\\local-repo\\org\\apache\\maven\\surefire\\surefire-api\\2.12.4\\surefire-api-2.12.4.jar
-surefireClassPathUrl.0=D\:\\Programs\\apache-maven-3.2.5\\local-repo\\org\\apache\\maven\\surefire\\surefire-junit4\\2.12.4\\surefire-junit4-2.12.4.jar
-runOrder=filesystem
-useSystemClassLoader=true
-excludes0=**/*$*
-isTrimStackTrace=true
-tc.1=com.ai.cloud.skywalking.sender.SenderTest
-tc.0=com.ai.cloud.skywalking.buffer.SpanBufferTest
-enableAssertions=true
-includes2=**/*TestCase.java
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-includes1=**/*Test.java
-runStatisticsFile=D\:\\iworkbench\\PaaS-PerformanceMonitor-DEV\\skywalking-api\\.surefire-FD286B6C823F22651813459C484C842ACACC889D
-includes0=**/Test*.java
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-classPathUrl.5=D\:\\Programs\\apache-maven-3.2.5\\local-repo\\commons-codec\\commons-codec\\1.9\\commons-codec-1.9.jar
diff --git a/skywalking-api/target/surefire/surefire_06144612310454781787tmp b/skywalking-api/target/surefire/surefire_06144612310454781787tmp
deleted file mode 100644
index 0083293cda..0000000000
--- a/skywalking-api/target/surefire/surefire_06144612310454781787tmp
+++ /dev/null
@@ -1,6 +0,0 @@
-#surefire_0
-#Sat Nov 07 10:27:56 CST 2015
-idea.version=14.1.5
-basedir=D\:\\iworkbench\\PaaS-PerformanceMonitor-DEV\\skywalking-api
-user.dir=D\:\\iworkbench\\PaaS-PerformanceMonitor-DEV\\skywalking-api
-localRepository=D\:\\Programs\\apache-maven-3.2.5\\local-repo
diff --git a/skywalking-api/target/surefire/surefire_07476845341598024395tmp b/skywalking-api/target/surefire/surefire_07476845341598024395tmp
deleted file mode 100644
index 4447014d6d..0000000000
--- a/skywalking-api/target/surefire/surefire_07476845341598024395tmp
+++ /dev/null
@@ -1,7 +0,0 @@
-#surefire_0
-#Sat Nov 07 10:14:59 CST 2015
-test.skip=true
-idea.version=14.1.5
-basedir=D\:\\iworkbench\\PaaS-PerformanceMonitor-DEV\\skywalking-api
-user.dir=D\:\\iworkbench\\PaaS-PerformanceMonitor-DEV\\skywalking-api
-localRepository=D\:\\Programs\\apache-maven-3.2.5\\local-repo
diff --git a/skywalking-server/target/classes/config.properties b/skywalking-server/target/classes/config.properties
deleted file mode 100644
index c21ff80887..0000000000
--- a/skywalking-server/target/classes/config.properties
+++ /dev/null
@@ -1,35 +0,0 @@
-#采集服务器的端口
-server.port=34000
-
-#最大数据缓存线程数量
-buffer.max_thread_number=1
-#每个线程最大缓存数量
-buffer.per_thread_max_buffer_number=1024
-#无数据处理时轮询等待时间(单位:毫秒)
-buffer.max_wait_time=5000
-#数据冲突时等待时间(单位:毫秒)
-buffer.data_conflict_wait_time=10
-#数据缓存文件目录
-buffer.data_buffer_file_parent_directory=D:/test-data/data/buffer
-#缓存数据文件最大长度(单位:byte)
-buffer.data_file_max_length=10240
-#每次Flush的缓存数据的个数
-buffer.flush_number_of_cache=30
-
-#最大持久化的线程数量
-persistence.max_thread_number=1
-#定位文件时,每次读取偏移量跳过大小
-persistence.offset_file_skip_length=2048
-#每次读取文件偏移量大小
-persistence.offset_file_read_buffer_size=2048
-#处理文件完成之后,等待时间(单位:毫秒)
-persistence.switch_file_wait_time=5000
-
-#偏移量注册文件的目录
-registerpersistence.register_file_parent_directory=D:/test-data/data/offset
-#偏移量注册文件名
-registerpersistence.register_file_name=offset.txt
-#偏移量注册备份文件名
-registerpersistence.register_bak_file_name=offset.txt.bak
-#偏移量写入文件等待周期(单位:毫秒)
-registerpersistence.offset_written_file_wait_cycle=5000
\ No newline at end of file
diff --git a/skywalking-server/target/classes/log4j2.xml b/skywalking-server/target/classes/log4j2.xml
deleted file mode 100644
index 025d5b2fbf..0000000000
--- a/skywalking-server/target/classes/log4j2.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-
-
-
-
-
-
-
-
-
-
-
-
-
\ No newline at end of file
diff --git a/skywalking-server/target/maven-archiver/pom.properties b/skywalking-server/target/maven-archiver/pom.properties
deleted file mode 100644
index 58b9e313b1..0000000000
--- a/skywalking-server/target/maven-archiver/pom.properties
+++ /dev/null
@@ -1,5 +0,0 @@
-#Generated by Maven
-#Sat Nov 07 10:31:28 CST 2015
-version=1.0-SNAPSHOT
-groupId=com.ai.cloud
-artifactId=skywalking-server
diff --git a/skywalking-server/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst b/skywalking-server/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
deleted file mode 100644
index 1ffb4ee257..0000000000
--- a/skywalking-server/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
+++ /dev/null
@@ -1,18 +0,0 @@
-com\ai\cloud\skywalking\reciever\util\ByteArrayUtil.class
-com\ai\cloud\skywalking\reciever\conf\Config.class
-com\ai\cloud\skywalking\reciever\persistance\RegisterPersistenceThread.class
-com\ai\cloud\skywalking\reciever\buffer\DataBufferThreadContainer.class
-com\ai\cloud\skywalking\reciever\persistance\PersistenceThread.class
-com\ai\cloud\skywalking\reciever\persistance\FileRegisterEntry$FileRegisterEntryStatus.class
-com\ai\cloud\skywalking\reciever\CollectionServer.class
-com\ai\cloud\skywalking\reciever\buffer\DataBufferThread.class
-com\ai\cloud\skywalking\reciever\conf\Config$Persistence.class
-com\ai\cloud\skywalking\reciever\constants\ServerConstants.class
-com\ai\cloud\skywalking\reciever\conf\ConfigDesc.class
-com\ai\cloud\skywalking\reciever\conf\Config$RegisterPersistence.class
-com\ai\cloud\skywalking\reciever\persistance\FileRegisterEntry.class
-com\ai\cloud\skywalking\reciever\conf\ConfigInitializer.class
-com\ai\cloud\skywalking\reciever\persistance\PersistenceThreadLauncher.class
-com\ai\cloud\skywalking\reciever\persistance\MemoryRegister.class
-com\ai\cloud\skywalking\reciever\conf\Config$Server.class
-com\ai\cloud\skywalking\reciever\conf\Config$Buffer.class
diff --git a/skywalking-server/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst b/skywalking-server/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
deleted file mode 100644
index f28959253b..0000000000
--- a/skywalking-server/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
+++ /dev/null
@@ -1,12 +0,0 @@
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-server\src\main\java\com\ai\cloud\skywalking\reciever\persistance\PersistenceThread.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-server\src\main\java\com\ai\cloud\skywalking\reciever\conf\ConfigInitializer.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-server\src\main\java\com\ai\cloud\skywalking\reciever\util\ByteArrayUtil.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-server\src\main\java\com\ai\cloud\skywalking\reciever\constants\ServerConstants.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-server\src\main\java\com\ai\cloud\skywalking\reciever\CollectionServer.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-server\src\main\java\com\ai\cloud\skywalking\reciever\persistance\FileRegisterEntry.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-server\src\main\java\com\ai\cloud\skywalking\reciever\buffer\DataBufferThread.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-server\src\main\java\com\ai\cloud\skywalking\reciever\conf\Config.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-server\src\main\java\com\ai\cloud\skywalking\reciever\persistance\RegisterPersistenceThread.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-server\src\main\java\com\ai\cloud\skywalking\reciever\buffer\DataBufferThreadContainer.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-server\src\main\java\com\ai\cloud\skywalking\reciever\persistance\MemoryRegister.java
-D:\iworkbench\PaaS-PerformanceMonitor-DEV\skywalking-server\src\main\java\com\ai\cloud\skywalking\reciever\persistance\PersistenceThreadLauncher.java