diff --git a/biome.json b/biome.json
index 4fab0c6..897c2a7 100644
--- a/biome.json
+++ b/biome.json
@@ -2,8 +2,7 @@
   "formatter": {
     "enabled": true,
     "indentStyle": "space",
-    "indentSize": 2,
-    "lineWidth": 180
+    "indentWidth": 2
   },
   "javascript": {
     "formatter": {
@@ -16,9 +15,6 @@
     "enabled": true,
     "rules": {
       "recommended": true,
-      "style": {
-        "noImplicitBoolean": "off"
-      },
       "suspicious": {
         "noExplicitAny": "off"
       }
diff --git a/example/browser/src.ts b/example/browser/src.ts
index e7cfbed..9dafcec 100644
--- a/example/browser/src.ts
+++ b/example/browser/src.ts
@@ -2,20 +2,24 @@ import { startListen } from 'blive-message-listener/browser'
 import type { MsgHandler } from 'blive-message-listener'
 
 const logDom = document.getElementById('log')
+if (!logDom) {
+  throw new Error('log dom not found')
+}
 
 const handler: MsgHandler = {
   onStartListen: () => {
     console.log('start listen')
-    logDom!.innerHTML += 'start listen<br>'
+    logDom.innerHTML += 'start listen<br>'
   },
   onIncomeDanmu: (msg) => {
     console.log(msg)
-    logDom!.innerHTML += `${JSON.stringify(msg.body)}<br>`
+    logDom.innerHTML += `${JSON.stringify(msg.body)}<br>`
   },
   raw: {
+
     INTERACT_WORD: (msg) => {
       console.log(msg)
-      logDom!.innerHTML += `${JSON.stringify(msg)}<br>`
+      logDom.innerHTML += `${JSON.stringify(msg)}<br>`
     },
   },
 }
diff --git a/src/listener/index.ts b/src/listener/index.ts
index 84a1cb6..edf700c 100644
--- a/src/listener/index.ts
+++ b/src/listener/index.ts
@@ -306,9 +306,9 @@ export const listenAll = (instance: KeepLiveTCP | KeepLiveWS | KeepLiveWSB, room
   }
 
   // Rest raw events
-  rawHandlerNames.forEach((eventName) => {
+  for (const eventName of rawHandlerNames) {
     instance.on(eventName as any, (data: WSMessage<any>) => {
-      rawHandler[eventName](data.data)
+      rawHandler[eventName]?.(data.data)
     })
-  })
+  }
 }
diff --git a/src/parser/INTERACT_WORD_ENTRY_EFFECT.ts b/src/parser/INTERACT_WORD_ENTRY_EFFECT.ts
index 53dcec2..573ac53 100644
--- a/src/parser/INTERACT_WORD_ENTRY_EFFECT.ts
+++ b/src/parser/INTERACT_WORD_ENTRY_EFFECT.ts
@@ -106,12 +106,12 @@ const parser = (data: any, roomId: number): UserActionMsg => {
   const msgType = data.cmd
   if (msgType === 'ENTRY_EFFECT') {
     return parserGuard(data, roomId)
-  } else if (msgType === 'LIKE_INFO_V3_CLICK') {
+  }
+  if (msgType === 'LIKE_INFO_V3_CLICK') {
     return parserLike(data, roomId)
-  } else {
-    // INTERACT_WORD
-    return parserNormal(data, roomId)
   }
+  // INTERACT_WORD
+  return parserNormal(data, roomId)
 }
 
 export const INTERACT_WORD = {