diff --git a/.changes/fix-router.md b/.changes/fix-router.md
new file mode 100644
index 0000000..8d2c26f
--- /dev/null
+++ b/.changes/fix-router.md
@@ -0,0 +1,5 @@
+---
+"aionbot-core": patch:fix
+---
+
+Fix command router matches for different prefixes.
diff --git a/Cargo.lock b/Cargo.lock
index 6f0edf7..520f5fd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -28,7 +28,7 @@ dependencies = [
 
 [[package]]
 name = "aionbot"
-version = "0.1.0"
+version = "0.1.1"
 dependencies = [
  "aionbot-core",
  "aionbot-macros",
@@ -41,7 +41,7 @@ dependencies = [
 
 [[package]]
 name = "aionbot-adapter-onebot"
-version = "0.1.0"
+version = "0.1.1"
 dependencies = [
  "aionbot-core",
  "anyhow",
@@ -55,7 +55,7 @@ dependencies = [
 
 [[package]]
 name = "aionbot-core"
-version = "0.1.0"
+version = "0.1.2"
 dependencies = [
  "anyhow",
  "futures",
diff --git a/crates/aionbot-core/src/event.rs b/crates/aionbot-core/src/event.rs
index b0ed0c8..6dd9b89 100644
--- a/crates/aionbot-core/src/event.rs
+++ b/crates/aionbot-core/src/event.rs
@@ -53,3 +53,18 @@ pub trait Event: Any + Send + Sync {
     }
     fn as_any(&self) -> &dyn Any;
 }
+
+impl Event for String {
+    fn event_type(&self) -> &str {
+        "string_event"
+    }
+
+    fn as_any(&self) -> &dyn Any {
+        self
+    }
+
+    fn content(&self) -> Box<dyn Any> {
+        let str: &str = self.clone().leak();
+        Box::new(str)
+    }
+}
diff --git a/crates/aionbot-core/src/router.rs b/crates/aionbot-core/src/router.rs
index f4e17cd..b1ed136 100644
--- a/crates/aionbot-core/src/router.rs
+++ b/crates/aionbot-core/src/router.rs
@@ -153,13 +153,35 @@ pub struct CommandRouter {
     pub command: String,
 }
 
+impl Default for CommandRouter {
+    fn default() -> Self {
+        Self {
+            prefixes: vec!["/".to_string()],
+            command: "help".to_string(),
+        }
+    }
+}
+
+impl CommandRouter {
+    pub fn new(prefixes: Vec<String>, command: String) -> Self {
+        Self { prefixes, command }
+    }
+
+    pub fn command(command: impl ToString) -> Self {
+        Self {
+            command: command.to_string(),
+            ..Default::default()
+        }
+    }
+}
+
 impl Router for CommandRouter {
     fn matches(&self, event: &dyn Event) -> bool {
         if let Ok(val) = event.content().downcast::<&str>() {
             for prefix in &self.prefixes {
                 if val.starts_with(prefix) {
                     let command = val.strip_prefix(prefix).unwrap();
-                    if command == self.command {
+                    if command.starts_with(self.command.as_str()) {
                         return true;
                     }
                 }
@@ -170,3 +192,30 @@ impl Router for CommandRouter {
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_command_router() {
+        let router = CommandRouter::default();
+        assert!(!router.matches(&"help".to_string()));
+        assert!(router.matches(&"/help".to_string()));
+        assert!(router.matches(&"/help@bot".to_string()));
+        assert!(!router.matches(&"/not help".to_string()));
+
+        let router = CommandRouter::command("cmd");
+        assert!(!router.matches(&"help".to_string()));
+        assert!(router.matches(&"/cmd".to_string()));
+        assert!(router.matches(&"/cmd@bot".to_string()));
+        assert!(!router.matches(&"/not cmd".to_string()));
+
+        let router = CommandRouter::new(vec!["!".to_string()], "cmd".to_string());
+        assert!(!router.matches(&"help".to_string()));
+        assert!(router.matches(&"!cmd".to_string()));
+        assert!(router.matches(&"!cmd@bot".to_string()));
+        assert!(!router.matches(&"!not cmd".to_string()));
+        assert!(!router.matches(&"/cmd arg1 arg2".to_string()))
+    }
+}