diff --git a/README.md b/README.md
index 97d787e..341f81a 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@ pub struct User {
 #[tokio::main]
 async fn main() {
     // pluggable async runtime and I/O
-    let db = DB::new("./db_path/users".into(), TokioExecutor::default())
+    let db = DB::new("./db_path/users".into(), TokioExecutor::current())
         .await
         .unwrap();
 
diff --git a/benches/criterion/writes.rs b/benches/criterion/writes.rs
index 41f3af2..4e10259 100644
--- a/benches/criterion/writes.rs
+++ b/benches/criterion/writes.rs
@@ -61,7 +61,7 @@ fn single_write(c: &mut Criterion) {
         let option = DbOption::from(fusio::path::Path::from_filesystem_path("/tmp/tonbo").unwrap())
             .disable_wal();
         let db = runtime
-            .block_on(async { DB::new(option, TokioExecutor::default()).await })
+            .block_on(async { DB::new(option, TokioExecutor::current()).await })
             .unwrap();
 
         group.bench_with_input(BenchmarkId::new("Tonbo", batch), &batch, |b, batch| {
diff --git a/bindings/python/src/db.rs b/bindings/python/src/db.rs
index 840ff72..8db90b0 100644
--- a/bindings/python/src/db.rs
+++ b/bindings/python/src/db.rs
@@ -62,7 +62,7 @@ impl TonboDB {
             .block_on(async {
                 DB::with_schema(
                     option,
-                    TokioExecutor::new(),
+                    TokioExecutor::current(),
                     desc,
                     primary_key_index.unwrap(),
                 )
diff --git a/examples/datafusion.rs b/examples/datafusion.rs
index 2b7dd16..5214f00 100644
--- a/examples/datafusion.rs
+++ b/examples/datafusion.rs
@@ -217,7 +217,7 @@ async fn main() -> Result<()> {
 
     let options = DbOption::from(Path::from_filesystem_path("./db_path/music").unwrap());
 
-    let db = DB::new(options, TokioExecutor::default()).await.unwrap();
+    let db = DB::new(options, TokioExecutor::current()).await.unwrap();
     for (id, name, like) in [
         (0, "welcome".to_string(), 0),
         (1, "tonbo".to_string(), 999),
diff --git a/src/lib.rs b/src/lib.rs
index b357fe6..6719d41 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -56,7 +56,7 @@
 //!
 //!     let options = DbOption::from(Path::from_filesystem_path("./db_path/users").unwrap());
 //!     // pluggable async runtime and I/O
-//!     let db = DB::new(options, TokioExecutor::default()).await.unwrap();
+//!     let db = DB::new(options, TokioExecutor::current()).await.unwrap();
 //!     // insert with owned value
 //!     db.insert(User {
 //!         name: "Alice".into(),