diff --git a/Cargo.toml b/Cargo.toml
index 80fd782b..8c179d4a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ members = [
 ]
 
 [workspace.package]
-version = "0.6.10"
+version = "0.6.14"
 edition = "2021"
 authors = ["zhangzicheng@apache.org"]
 repository = "https://github.com/acl-dev/open-coroutine"
@@ -16,9 +16,9 @@ license = "Apache-2.0"
 readme = "README.md"
 
 [workspace.dependencies]
-open-coroutine-core = { path = "core", version = "0.6.0" }
-open-coroutine-hook = { path = "hook", version = "0.6.0" }
-open-coroutine-macros = { path = "macros", version = "0.6.0" }
+open-coroutine-core = { path = "core", version = "0.6.14" }
+open-coroutine-hook = { path = "hook", version = "0.6.14" }
+open-coroutine-macros = { path = "macros", version = "0.6.14" }
 
 tracing = { version = "0.1", default-features = false }
 tracing-subscriber = { version = "0.3", default-features = false }
diff --git a/README.md b/README.md
index b3b0004c..02db89f6 100644
--- a/README.md
+++ b/README.md
@@ -108,4 +108,6 @@ fn main() {
 
 ## ⚓ Learn More
 
+- [Coroutine Design](core/docs/en/coroutine.md)
+
 [我有故事,你有酒吗?](https://github.com/acl-dev/open-coroutine-docs)
diff --git a/docs/en/coroutine.md b/core/docs/en/coroutine.md
similarity index 100%
rename from docs/en/coroutine.md
rename to core/docs/en/coroutine.md
diff --git a/core/src/lib.rs b/core/src/lib.rs
index c4951636..bbbafcbf 100644
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -60,7 +60,7 @@ pub mod common;
 #[allow(missing_docs)]
 pub mod config;
 
-#[doc = include_str!("../../docs/en/coroutine.md")]
+#[doc = include_str!("../docs/en/coroutine.md")]
 pub mod coroutine;
 
 /// Make the coroutine automatically yield.
diff --git a/open-coroutine/src/lib.rs b/open-coroutine/src/lib.rs
index 91ec2c16..617a87e4 100644
--- a/open-coroutine/src/lib.rs
+++ b/open-coroutine/src/lib.rs
@@ -49,6 +49,7 @@
 
 use open_coroutine_core::co_pool::task::UserTaskFunc;
 use open_coroutine_core::common::constants::SLICE;
+pub use open_coroutine_core::common::ordered_work_steal::DEFAULT_PRECEDENCE;
 pub use open_coroutine_core::config::Config;
 use open_coroutine_core::net::UserFunc;
 pub use open_coroutine_macros::*;
@@ -109,19 +110,15 @@ pub fn shutdown() {
 #[macro_export]
 macro_rules! task {
     ( $f: expr , $param:expr , $priority: expr $(,)? ) => {
-        $crate::task($f, $param, $priority)
+        $crate::crate_task($f, $param, $priority)
     };
     ( $f: expr , $param:expr $(,)? ) => {
-        $crate::task(
-            $f,
-            $param,
-            open_coroutine_core::common::ordered_work_steal::DEFAULT_PRECEDENCE,
-        )
+        $crate::crate_task($f, $param, $crate::DEFAULT_PRECEDENCE)
     };
 }
 
 /// Create a task.
-pub fn task<P: 'static, R: 'static, F: FnOnce(P) -> R>(
+pub fn crate_task<P: 'static, R: 'static, F: FnOnce(P) -> R>(
     f: F,
     param: P,
     priority: c_longlong,