diff --git a/go/README.md b/go/README.md
deleted file mode 100644
index 882a480..0000000
--- a/go/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# Golang version
-
-Core's source code is in [MTranCore](https://github.com/xxnuo/MTranCore)
diff --git a/lib/cpp/README.md b/lib/cpp/README.md
index a571e5e..25c5c6f 100644
--- a/lib/cpp/README.md
+++ b/lib/cpp/README.md
@@ -1,3 +1,3 @@
 # C++ version (deprecated)
 
-Origianl version ( ~ v2.1.1 ) is deprecated, continue to develop in [golang version](../go/README.md)
+Origianl version ( ~ v2.1.1 ) is deprecated, continue to develop in [golang version](../../v3/README.md)
diff --git a/lib/js/js/README.md b/lib/js/README.md
similarity index 78%
rename from lib/js/js/README.md
rename to lib/js/README.md
index 5939c66..35c5b35 100644
--- a/lib/js/js/README.md
+++ b/lib/js/README.md
@@ -1,3 +1,3 @@
 # Node.js version (deprecated)
 
-Node.js version is deprecated, continue to develop in [golang version](../go/README.md)
\ No newline at end of file
+Node.js version is deprecated, continue to develop in [golang version](../../v3/README.md)
\ No newline at end of file
diff --git a/lib/rust/README.md b/lib/rust/README.md
index 7850445..aa0baaa 100644
--- a/lib/rust/README.md
+++ b/lib/rust/README.md
@@ -1,6 +1,6 @@
 # Rust version (community version)
 
-Only works in x86_64 Linux and some APIs are not compatible with the original version, recommend to use [golang version](../go/README.md) instead.
+Performance improvement is not significant, only works in x86_64 Linux and some APIs are not compatible with the original version, recommend to use [golang version](../../v3/README.md) instead.
 
 Rust server source code is in [LinguaSpark/server](https://github.com/LinguaSpark/server)
 
diff --git a/v3/README.md b/v3/README.md
new file mode 100644
index 0000000..61ed05c
--- /dev/null
+++ b/v3/README.md
@@ -0,0 +1,5 @@
+# Golang version
+
+Server implementation is in this repository.
+
+Core implementation is in [MTranCore](https://github.com/xxnuo/MTranCore)