diff --git a/frontend/src/api/chat/ChatClientTest.js b/frontend/src/api/chat/ChatClientTest.js
index d98730c..64ae247 100644
--- a/frontend/src/api/chat/ChatClientTest.js
+++ b/frontend/src/api/chat/ChatClientTest.js
@@ -63,18 +63,18 @@ const EMOTICONS = [
 ]
 
 const AUTHOR_TYPES = [
-  { weight: 10, value: constants.AUTHRO_TYPE_NORMAL },
-  { weight: 5, value: constants.AUTHRO_TYPE_MEMBER },
-  { weight: 2, value: constants.AUTHRO_TYPE_ADMIN },
-  { weight: 1, value: constants.AUTHRO_TYPE_OWNER }
+  { weight: 10, value: constants.AUTHOR_TYPE_NORMAL },
+  { weight: 5, value: constants.AUTHOR_TYPE_MEMBER },
+  { weight: 2, value: constants.AUTHOR_TYPE_ADMIN },
+  { weight: 1, value: constants.AUTHOR_TYPE_OWNER }
 ]
 
 function randGuardInfo() {
   let authorType = randomChoose(AUTHOR_TYPES)
   let privilegeType
-  if (authorType === constants.AUTHRO_TYPE_MEMBER) {
+  if (authorType === constants.AUTHOR_TYPE_MEMBER) {
     privilegeType = randInt(1, 3)
-  } else if (authorType === constants.AUTHRO_TYPE_ADMIN) {
+  } else if (authorType === constants.AUTHOR_TYPE_ADMIN) {
     privilegeType = randInt(0, 3)
   } else {
     privilegeType = 0
diff --git a/frontend/src/components/ChatRenderer/AuthorChip.vue b/frontend/src/components/ChatRenderer/AuthorChip.vue
index f5b3bdd..8d0ba3e 100644
--- a/frontend/src/components/ChatRenderer/AuthorChip.vue
+++ b/frontend/src/components/ChatRenderer/AuthorChip.vue
@@ -12,7 +12,7 @@
         :isAdmin="false" :privilegeType="privilegeType"
       ></author-badge>
       <template v-else>
-        <author-badge v-if="authorType === AUTHRO_TYPE_ADMIN" class="style-scope yt-live-chat-author-chip"
+        <author-badge v-if="authorType === AUTHOR_TYPE_ADMIN" class="style-scope yt-live-chat-author-chip"
           isAdmin :privilegeType="0"
         ></author-badge>
         <author-badge v-if="privilegeType > 0" class="style-scope yt-live-chat-author-chip"
@@ -40,7 +40,7 @@ export default {
   },
   data() {
     return {
-      AUTHRO_TYPE_ADMIN: constants.AUTHRO_TYPE_ADMIN
+      AUTHOR_TYPE_ADMIN: constants.AUTHOR_TYPE_ADMIN
     }
   },
   computed: {
diff --git a/frontend/src/components/ChatRenderer/constants.js b/frontend/src/components/ChatRenderer/constants.js
index b9e05d3..6a6e158 100644
--- a/frontend/src/components/ChatRenderer/constants.js
+++ b/frontend/src/components/ChatRenderer/constants.js
@@ -1,9 +1,9 @@
 import * as i18n from '@/i18n'
 
-export const AUTHRO_TYPE_NORMAL = 0
-export const AUTHRO_TYPE_MEMBER = 1
-export const AUTHRO_TYPE_ADMIN = 2
-export const AUTHRO_TYPE_OWNER = 3
+export const AUTHOR_TYPE_NORMAL = 0
+export const AUTHOR_TYPE_MEMBER = 1
+export const AUTHOR_TYPE_ADMIN = 2
+export const AUTHOR_TYPE_OWNER = 3
 
 export const AUTHOR_TYPE_TO_TEXT = [
   '',