diff --git a/README.md b/README.md
index 682e7980b9fd9d0ccbd916dda1c55a2fdcdb03eb..5d0bb3603b74b48628cc46dd1e56ef3484f555ae 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,14 @@ for different scenarios. For better understanding, read our documents.
 # Document
 - [Documents in English](docs/README.md)
 
+```
+5.x is still supported by SkyWalking community, and the agent-backend protocol is compatible with 6.x.
+You can go to 5.x branch. At there, you have everything you need.
+```
+
+- Go to [5.x pages](https://github.com/apache/incubator-skywalking/tree/5.x)
+
+
 # Downloads
 Please head to the [releases page](ttp://skywalking.apache.org/downloads/) to download a release of Apache SkyWalking.
 
diff --git a/docs/README.md b/docs/README.md
index 197cad6521dd9f00bdf0fd9cd16b52d4c01c573b..42a7b32a7cb80ce8707071dde98f842bc6768b05 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -26,8 +26,3 @@ Or better yet, submit your own contributions through pull request to help make t
 
 
 
-### 5.x releases
-5.x is still supported by SkyWalking community, and the agent-backend protocol is compatible with 6.x.
-You can go to [5.x branch](https://github.com/apache/incubator-skywalking/tree/5.x).
-At there, you have everything you need.
-
diff --git a/docs/en/guides/How-to-release.md b/docs/en/guides/How-to-release.md
index 051b2e49c7c025ab7dc5316c8a63ea43d08525bc..b46fc940e2826b5256a1341e98fedaf862da31ee 100644
--- a/docs/en/guides/How-to-release.md
+++ b/docs/en/guides/How-to-release.md
@@ -43,7 +43,7 @@ Use the following block as a template and place it in ~/.m2/settings.xml
 ```
 ./mvnw release:perform -DskipTests -Ptravis-ci-submodule
 ```
-1. Set version number as x.y.z, and tag as x.y.z-RCx. `x` in `RCx` is based the number of attempts release, aka `RELEASE_ROUND` in this doc, and starts with 1.
+1. Set version number as x.y.z, and tag as vx.y.z
 1. The release will automatically be inserted into a temporary staging repository for you.
 
 ## Build and sign the source code package
@@ -71,7 +71,7 @@ with .asc, .sha512, .md5
 
 ## Upload to Apache svn
 1. Use ApacheId to login `https://dist.apache.org/repos/dist/dev/incubator/skywalking/`
-1. Create folder, named by release version and round, such as: x.y.z-RCx
+1. Create folder, named by release version and round, such as: x.y.z
 1. Upload Source code package to the folder with .asc, .sha512
     * Package name: apache-skywalking-incubating-x.y.z-src.tar.gz
     * See Section "Build and sign the source code package" for more details 
@@ -112,7 +112,7 @@ Maven 2 staging repository:
 
 Release Tag :
 
- * (Git Tag) x.y.z-RCx
+ * (Git Tag) x.y.z
 
 Release CommitID :
 
@@ -165,7 +165,7 @@ Maven 2 staging repository:
 
 Release Tag :
 
- * (Git Tag) x.y.z-RCx
+ * (Git Tag) x.y.z
 
 Release CommitID :
 
@@ -247,7 +247,7 @@ Maven 2 staging repository:
 
 Release Tag :
 
- * (Git Tag) x.y.z-RCx
+ * (Git Tag) x.y.z
 
 Release CommitID :
 
@@ -297,7 +297,7 @@ I will process to publish the release and send ANNOUNCE.
 1. Move source codes tar balls and distributions to `https://dist.apache.org/repos/dist/release/incubator/skywalking/`.
 ```
 > export SVN_EDITOR=vim
-> svn mv https://dist.apache.org/repos/dist/dev/incubator/skywalking/x.y.z-RCx https://dist.apache.org/repos/dist/release/incubator/skywalking
+> svn mv https://dist.apache.org/repos/dist/dev/incubator/skywalking/x.y.z https://dist.apache.org/repos/dist/release/incubator/skywalking
 ....
 enter your apache password
 ....
@@ -306,7 +306,6 @@ enter your apache password
 2. Do release in nexus staging repo.
 3. Public download URLs under `http://www.apache.org/dyn/closer.cgi/incubator/skywalking/x.y.z`.
 4. Public KEYS, sigs and sha512 URLs under `https://www.apache.org/dist/incubator/skywalking/xxxx`
-5. Re-tag on GitHub, tag `x.y.z-RCx` as `x.y.z`, and publish a GitHub release based on this tag.
 5. Send ANNOUNCE mail to `general@incubator.apache.org` and `dev@skywalking.apache.org`.
 ```
 Mail title: [ANNOUNCE] Release Apache SkyWalking (incubating) version x.y.z
diff --git a/oap-server/server-alarm-plugin/src/test/java/org/apache/skywalking/oap/server/core/alarm/provider/AlarmCoreTest.java b/oap-server/server-alarm-plugin/src/test/java/org/apache/skywalking/oap/server/core/alarm/provider/AlarmCoreTest.java
index e37a462528e1bdab999dbc32cf1b5589580960b5..e91b4224a2942d9e93ee8d923a4e1ef7f81c2ffd 100644
--- a/oap-server/server-alarm-plugin/src/test/java/org/apache/skywalking/oap/server/core/alarm/provider/AlarmCoreTest.java
+++ b/oap-server/server-alarm-plugin/src/test/java/org/apache/skywalking/oap/server/core/alarm/provider/AlarmCoreTest.java
@@ -81,7 +81,7 @@ public class AlarmCoreTest {
                 Assert.assertTrue(checkTimePoints(checkTime));
                 break;
             }
-            if(i == 9){
+            if (i == 9) {
                 Assert.assertTrue(false);
             }
         }
diff --git a/tools/releasing/create_source_release.sh b/tools/releasing/create_source_release.sh
index c3747f2db870e84cc88be6ab078ddc02e35acf35..24c7f7a6b21d280f2b202aeb352b278662aa9376 100755
--- a/tools/releasing/create_source_release.sh
+++ b/tools/releasing/create_source_release.sh
@@ -20,13 +20,11 @@
 # This script relies on few environment variables to determine source code package
 # behavior, those variables are:
 #   RELEASE_VERSION -- The version of this source package.
-#   RELEASE_ROUND -- The round of this version release.
 # For example: RELEASE_VERSION=5.0.0-alpha
-#              RELEASE_ROUND=1
 
 
 RELEASE_VERSION=${RELEASE_VERSION}
-TAG_NAME=v${RELEASE_VERSION}-RC${RELEASE_ROUND}
+TAG_NAME=v${RELEASE_VERSION}
 PRODUCT_NAME="apache-skywalking-apm-incubating"
 
 echo "Release version "${RELEASE_VERSION}
@@ -38,12 +36,6 @@ if [ "$RELEASE_VERSION" == "" ]; then
   exit 1
 fi
 
-if [ "$RELEASE_ROUND" == "" ]; then
-  echo "RELEASE_ROUND environment variable not found, Please setting the RELEASE_ROUND."
-  echo "For example: export RELEASE_ROUND=1"
-  exit 1
-fi
-
 echo "Creating source package"
 
 PRODUCT_NAME=${PRODUCT_NAME}-${RELEASE_VERSION}