diff --git a/.changes/change-logger-level.md b/.changes/change-logger-level.md
new file mode 100644
index 0000000..b6de4f6
--- /dev/null
+++ b/.changes/change-logger-level.md
@@ -0,0 +1,5 @@
+---
+"aionbot": patch:feat
+---
+
+Support change log level.
diff --git a/.changes/event-as-any.md b/.changes/event-as-any.md
new file mode 100644
index 0000000..02539ab
--- /dev/null
+++ b/.changes/event-as-any.md
@@ -0,0 +1,6 @@
+---
+"aionbot-core": patch:feat
+"aionbot-adapter-onebot": patch:feat
+---
+
+Add support for the `as_any` event type.
diff --git a/.changes/export-in-aionbot.md b/.changes/export-in-aionbot.md
new file mode 100644
index 0000000..0e9637e
--- /dev/null
+++ b/.changes/export-in-aionbot.md
@@ -0,0 +1,5 @@
+---
+"aionbot": patch:feat
+---
+
+Fix exports in aionbot package.
diff --git a/.changes/fix-fmt.md b/.changes/fix-fmt.md
index 5fa5c0f..6ed14b9 100644
--- a/.changes/fix-fmt.md
+++ b/.changes/fix-fmt.md
@@ -1,5 +1,5 @@
 ---
-"aionbot": patch
+"aionbot": patch:feat
 ---
 
 Fix formatting of the `lib.rs` file.
diff --git a/crates/aionbot-adapter-onebot/src/event.rs b/crates/aionbot-adapter-onebot/src/event.rs
index 64beaef..dbe5bd4 100644
--- a/crates/aionbot-adapter-onebot/src/event.rs
+++ b/crates/aionbot-adapter-onebot/src/event.rs
@@ -60,6 +60,10 @@ impl Event for OnebotEvent {
             Ok(())
         })
     }
+
+    fn as_any(&self) -> &dyn std::any::Any {
+        self
+    }
 }
 
 impl OnebotEvent {
diff --git a/crates/aionbot-core/src/event.rs b/crates/aionbot-core/src/event.rs
index 41f3d40..b0ed0c8 100644
--- a/crates/aionbot-core/src/event.rs
+++ b/crates/aionbot-core/src/event.rs
@@ -51,4 +51,5 @@ pub trait Event: Any + Send + Sync {
             message.to_string()
         )
     }
+    fn as_any(&self) -> &dyn Any;
 }
diff --git a/crates/aionbot-macros/tests/macros.rs b/crates/aionbot-macros/tests/macros.rs
index cf68f82..228019b 100644
--- a/crates/aionbot-macros/tests/macros.rs
+++ b/crates/aionbot-macros/tests/macros.rs
@@ -12,6 +12,10 @@ impl Event for ConcreteEvent {
     fn event_type(&self) -> &str {
         unimplemented!()
     }
+
+    fn as_any(&self) -> &dyn std::any::Any {
+        self
+    }
 }
 
 #[register(router = "test_router")]
diff --git a/crates/aionbot/src/lib.rs b/crates/aionbot/src/lib.rs
index fb83a5c..f3ff7ee 100644
--- a/crates/aionbot/src/lib.rs
+++ b/crates/aionbot/src/lib.rs
@@ -1,10 +1,14 @@
+pub extern crate aionbot_core;
+pub extern crate aionbot_macros;
+
 pub use aionbot_core::prelude::*;
+pub use aionbot_core::runtime::Builder;
 pub use aionbot_macros::register;
 
 use anyhow::Result;
 use colored::Colorize;
 
-pub fn setup_logger() -> Result<()> {
+pub fn setup_logger(log_level: log::LevelFilter) -> Result<()> {
     fern::Dispatch::new()
         .format(|out, message, record| {
             let level = record.level().as_str();
@@ -40,7 +44,7 @@ pub fn setup_logger() -> Result<()> {
             };
             out.finish(format_args!("{}", fmt_string))
         })
-        .level(log::LevelFilter::Debug)
+        .level(log_level)
         .chain(std::io::stdout())
         .apply()?;
     Ok(())