Fix broken link (#35)

* Update README.md

* fix error link

Co-authored-by: Evan <evanljp@outlook.com>
diff --git a/README.md b/README.md
index 6915593..b1d97b7 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@
 Please read [the doc](./docs/en/FAQ/performance.md) to get more details.
 
 # Download
-Go to the [download page](https://skywalking.apache.org/downloads/) to download all available binaries, including MacOS, Linux and Windows. Due to system compatibility problems, some plugins of SkyWalking Satellite cannot be used in Windows system. Check [the corresponding documentation](./docs/en/setup/plugins) to see whether the plugin is available on Windows.
+Go to the [download page](https://skywalking.apache.org/downloads/) to download all available binaries, including MacOS, Linux and Windows. Due to system compatibility problems, some plugins of SkyWalking Satellite cannot be used in Windows system. Check [the corresponding documentation](./docs/en/guides/compile/How-to-compile.md) to see whether the plugin is available on Windows.
 
 # Compile
 As SkyWalking Satellite is using `Makefile`, compiling the project is as easy as executing a command in the root directory of the project.
@@ -32,7 +32,7 @@
 git submodule update
 make build
 ```
-If you want to know more details about compiling, please read [the doc](./docs/en/guides/compile/compile.md).
+If you want to know more details about compiling, please read [the doc](./docs/en/guides/compile/How-to-compile.md).
 
 
 # Commands
diff --git a/docs/en/guides/contribution/How-to-release.md b/docs/en/guides/contribution/How-to-release.md
index ad5dbd8..af07674 100644
--- a/docs/en/guides/contribution/How-to-release.md
+++ b/docs/en/guides/contribution/How-to-release.md
@@ -5,7 +5,7 @@
 ## Prerequisites
 
 1. Close(if finished, or move to next milestone otherwise) all issues in the current milestone from [skywalking-satellite](https://github.com/apache/skywalking-satellite/milestones) and [skywalking](https://github.com/apache/skywalking/milestones), create a new milestone if needed.
-2. Update [CHANGES.md](../CHANGES.md).
+2. Update [CHANGES.md](../../../../CHANGES.md).
 
 
 ## Add your GPG public key to Apache svn
@@ -152,7 +152,7 @@
 1. `LICENSE` and `NOTICE` are in source codes and distribution package.
 1. Check `shasum -c skywalking-satellite-$VERSION-{src,bin}.tgz.sha512`.
 1. Check `gpg --verify skywalking-satellite-$VERSION-{src,bin}.tgz.asc skywalking-satellite-$VERSION-{src,bin}.tgz`.
-1. Build distribution from source code package by following this [the build guide](#build-and-sign-the-source-code-package).
+1. Build distribution from source code package by following this command, `make build`.
 1. Licenses check, `make license`.
 
 Vote result should follow these:
diff --git a/docs/en/guides/contribution/How-to-write-plugin.md b/docs/en/guides/contribution/How-to-write-plugin.md
index b2f4a61..555f046 100644
--- a/docs/en/guides/contribution/How-to-write-plugin.md
+++ b/docs/en/guides/contribution/How-to-write-plugin.md
@@ -32,7 +32,7 @@
     event_buffer_size: 5000
     ```
    
-3. Add [unit test](../test/test.md).
+3. Add [unit test](../test/How-to-unit-test.md).
 4. Generate the plugin docs.
 ```shell script
 make check