diff --git a/bitlogger/README.mbt.md b/bitlogger/README.mbt.md
index 17c3d55..a679442 100644
--- a/bitlogger/README.mbt.md
+++ b/bitlogger/README.mbt.md
@@ -19,7 +19,7 @@ BitLogger 是一个使用 MoonBit 编写的结构化日志库.
 
 ## Example / 示例
 
-```mbt check
+```moonbit
 test {
   let logger = Logger::new(console_sink(), min_level=Level::Debug, target="demo")
     .with_timestamp()
@@ -28,6 +28,13 @@ test {
 }
 ```
 
+Project command note / 项目命令说明:
+
+- use `moon check` / `moon test` for local project verification
+- 本地项目校验请使用 `moon check` / `moon test`
+- `.mbt.md` literate docs still use MoonBit's document-test conventions internally
+- `.mbt.md` 文档内部仍沿用 MoonBit 的文档测试约定
+
 ## Where To Go Next / 下一步
 
 - examples / 示例:
diff --git a/bitlogger_async/async_logger_native.mbt b/bitlogger_async/async_logger_native.mbt
index d0e04d3..8318cba 100644
--- a/bitlogger_async/async_logger_native.mbt
+++ b/bitlogger_async/async_logger_native.mbt
@@ -331,7 +331,7 @@ pub fn[S] async_logger(
     context_fields: [],
     filter: fn(_) { true },
     patch: @bitlogger.identity_patch(),
-    queue: @async.Queue::new(kind=queue_kind_of(config)),
+    queue: @async.Queue(kind=queue_kind_of(config)),
     pending_count: Ref::new(0),
     dropped_count: Ref::new(0),
     is_closed: Ref::new(false),
diff --git a/bitlogger_async/async_logger_stub.mbt b/bitlogger_async/async_logger_stub.mbt
index 6fd36b7..76f3662 100644
--- a/bitlogger_async/async_logger_stub.mbt
+++ b/bitlogger_async/async_logger_stub.mbt
@@ -331,7 +331,7 @@ pub fn[S] async_logger(
     context_fields: [],
     filter: fn(_) { true },
     patch: @bitlogger.identity_patch(),
-    queue: @async.Queue::new(kind=queue_kind_of(config)),
+    queue: @async.Queue(kind=queue_kind_of(config)),
     pending_count: Ref::new(0),
     dropped_count: Ref::new(0),
     is_closed: Ref::new(false),
diff --git a/moon.mod.json b/moon.mod.json
index 85eeea5..630c1a1 100644
--- a/moon.mod.json
+++ b/moon.mod.json
@@ -3,7 +3,7 @@
   "version": "0.4.1",
   "deps": {
     "maria/json_parser": "0.1.1",
-    "moonbitlang/async": "0.18.1"
+    "moonbitlang/async": "0.19.0"
   },
   "readme": "README.mbt.md",
   "repository": "https://github.com/Nanaloveyuki/BitLogger",