diff --git a/README.md b/README.md
index 84fba5fb5..4055b2cf4 100644
--- a/README.md
+++ b/README.md
@@ -112,7 +112,8 @@ SkyWalking: Large-Scale Distributed Systems Tracing Infrastructure, 是一个对
## 下载官方的agent / Download offical agent
[  ](https://bintray.com/wu-sheng/skywalking/com.ai.cloud.skywalking-agent/_latestVersion)
-- 官方agent通过[skywalking bintray官网](https://bintray.com/wu-sheng/skywalking/)托管,可使用公网仓库[https://jcenter.bintray.com/](https://jcenter.bintray.com/)下载。
+- 通过github-release[下载](https://github.com/wu-sheng/sky-walking/releases)
+- 通过[skywalking bintray官网](https://bintray.com/wu-sheng/skywalking/)托管,可使用公网仓库[https://jcenter.bintray.com/](https://jcenter.bintray.com/)下载。
- use public repository [https://jcenter.bintray.com/](https://jcenter.bintray.com/) to download sdk
diff --git a/pom.xml b/pom.xml
index 906f1123b..fc6d8dae5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -59,12 +59,4 @@
-
-
-
- bintray-wu-sheng-sky-walking-repository
- wu-sheng-sky-walking-repository
- https://api.bintray.com/maven/wu-sheng/skywalking/com.a.eye.skywalking/;publish=1
-
-
diff --git a/skywalking-collector/pom.xml b/skywalking-collector/pom.xml
index 85e7e4704..e5906c9f7 100644
--- a/skywalking-collector/pom.xml
+++ b/skywalking-collector/pom.xml
@@ -41,12 +41,4 @@
-
-
-
- bintray-wu-sheng-sky-walking-repository
- wu-sheng-sky-walking-repository
- https://api.bintray.com/maven/wu-sheng/skywalking/com.a.eye.skywalking-collector/;publish=1
-
-
diff --git a/skywalking-collector/skywalking-api/pom.xml b/skywalking-collector/skywalking-api/pom.xml
index e86488696..79e357cf0 100644
--- a/skywalking-collector/skywalking-api/pom.xml
+++ b/skywalking-collector/skywalking-api/pom.xml
@@ -104,12 +104,4 @@
-
-
-
- bintray-wu-sheng-sky-walking-repository
- wu-sheng-sky-walking-repository
- https://api.bintray.com/maven/wu-sheng/skywalking/com.a.eye.skywalking-api/;publish=1
-
-
diff --git a/skywalking-collector/skywalking-sdk-plugin/dubbo-plugin/pom.xml b/skywalking-collector/skywalking-sdk-plugin/dubbo-plugin/pom.xml
index dcbc8066d..e9d5af8cb 100644
--- a/skywalking-collector/skywalking-sdk-plugin/dubbo-plugin/pom.xml
+++ b/skywalking-collector/skywalking-sdk-plugin/dubbo-plugin/pom.xml
@@ -143,12 +143,4 @@
-
-
-
- bintray-wu-sheng-sky-walking-repository
- wu-sheng-sky-walking-repository
- https://api.bintray.com/maven/wu-sheng/skywalking/com.a.eye.skywalking-dubbo-plugin/;publish=1
-
-
diff --git a/skywalking-collector/skywalking-sdk-plugin/httpClient-4.x-plugin/pom.xml b/skywalking-collector/skywalking-sdk-plugin/httpClient-4.x-plugin/pom.xml
index ac4ea07b8..a1b78f029 100644
--- a/skywalking-collector/skywalking-sdk-plugin/httpClient-4.x-plugin/pom.xml
+++ b/skywalking-collector/skywalking-sdk-plugin/httpClient-4.x-plugin/pom.xml
@@ -68,12 +68,4 @@
-
-
-
- bintray-wu-sheng-sky-walking-repository
- wu-sheng-sky-walking-repository
- https://api.bintray.com/maven/wu-sheng/skywalking/com.a.eye.skywalking-httpClient-4.x-plugin/;publish=1
-
-
diff --git a/skywalking-collector/skywalking-sdk-plugin/jdbc-plugin/pom.xml b/skywalking-collector/skywalking-sdk-plugin/jdbc-plugin/pom.xml
index 9d2f9f760..8cc8b86c6 100755
--- a/skywalking-collector/skywalking-sdk-plugin/jdbc-plugin/pom.xml
+++ b/skywalking-collector/skywalking-sdk-plugin/jdbc-plugin/pom.xml
@@ -65,12 +65,4 @@
-
-
-
- bintray-wu-sheng-sky-walking-repository
- wu-sheng-sky-walking-repository
- https://api.bintray.com/maven/wu-sheng/skywalking/com.a.eye.skywalking-jdbc-plugin/;publish=1
-
-
diff --git a/skywalking-collector/skywalking-sdk-plugin/jedis-2.x-plugin/pom.xml b/skywalking-collector/skywalking-sdk-plugin/jedis-2.x-plugin/pom.xml
index 412abbb82..f943cfa06 100644
--- a/skywalking-collector/skywalking-sdk-plugin/jedis-2.x-plugin/pom.xml
+++ b/skywalking-collector/skywalking-sdk-plugin/jedis-2.x-plugin/pom.xml
@@ -47,12 +47,4 @@
-
-
-
- bintray-wu-sheng-sky-walking-repository
- wu-sheng-sky-walking-repository
- https://api.bintray.com/maven/wu-sheng/skywalking/com.a.eye.skywalking-jedis-2.x-plugin/;publish=1
-
-
diff --git a/skywalking-collector/skywalking-sdk-plugin/pom.xml b/skywalking-collector/skywalking-sdk-plugin/pom.xml
index 81f28ad75..245d27f10 100644
--- a/skywalking-collector/skywalking-sdk-plugin/pom.xml
+++ b/skywalking-collector/skywalking-sdk-plugin/pom.xml
@@ -68,12 +68,4 @@
-
-
-
- bintray-wu-sheng-sky-walking-repository
- wu-sheng-sky-walking-repository
- https://api.bintray.com/maven/wu-sheng/skywalking/com.a.eye.skywalking-sdk-plugin/;publish=1
-
-
diff --git a/skywalking-protocol/dependency-reduced-pom.xml b/skywalking-protocol/dependency-reduced-pom.xml
index ad379dc72..a96a7a5a6 100644
--- a/skywalking-protocol/dependency-reduced-pom.xml
+++ b/skywalking-protocol/dependency-reduced-pom.xml
@@ -86,13 +86,6 @@
-
-
- bintray-wu-sheng-sky-walking-repository
- wu-sheng-sky-walking-repository
- https://api.bintray.com/maven/wu-sheng/skywalking/com.a.eye.skywalking-protocol/;publish=1
-
-
com.google.protobuf
com.a.eye.skywalking.protocol.dependencies.com.google.protobuf
diff --git a/skywalking-protocol/pom.xml b/skywalking-protocol/pom.xml
index 1a316752a..08f51df4b 100644
--- a/skywalking-protocol/pom.xml
+++ b/skywalking-protocol/pom.xml
@@ -134,12 +134,4 @@
-
-
-
- bintray-wu-sheng-sky-walking-repository
- wu-sheng-sky-walking-repository
- https://api.bintray.com/maven/wu-sheng/skywalking/com.a.eye.skywalking-protocol/;publish=1
-
-