diff --git a/src/api/endpoints/posts/search.ts b/src/api/endpoints/posts/search.ts
index 5c324bfe9a..bb5c438926 100644
--- a/src/api/endpoints/posts/search.ts
+++ b/src/api/endpoints/posts/search.ts
@@ -25,17 +25,17 @@ module.exports = (params, me) => new Promise(async (res, rej) => {
 	const [includeUserIds = [], includeUserIdsErr] = $(params.includeUserIds).optional.array('id').$;
 	if (includeUserIdsErr) return rej('invalid includeUserIds param');
 
-	// Get 'exclude_userIds' parameter
-	const [excludeUserIds = [], excludeUserIdsErr] = $(params.exclude_userIds).optional.array('id').$;
-	if (excludeUserIdsErr) return rej('invalid exclude_userIds param');
+	// Get 'excludeUserIds' parameter
+	const [excludeUserIds = [], excludeUserIdsErr] = $(params.excludeUserIds).optional.array('id').$;
+	if (excludeUserIdsErr) return rej('invalid excludeUserIds param');
 
 	// Get 'includeUserUsernames' parameter
 	const [includeUserUsernames = [], includeUserUsernamesErr] = $(params.includeUserUsernames).optional.array('string').$;
 	if (includeUserUsernamesErr) return rej('invalid includeUserUsernames param');
 
-	// Get 'exclude_userUsernames' parameter
-	const [excludeUserUsernames = [], excludeUserUsernamesErr] = $(params.exclude_userUsernames).optional.array('string').$;
-	if (excludeUserUsernamesErr) return rej('invalid exclude_userUsernames param');
+	// Get 'excludeUserUsernames' parameter
+	const [excludeUserUsernames = [], excludeUserUsernamesErr] = $(params.excludeUserUsernames).optional.array('string').$;
+	if (excludeUserUsernamesErr) return rej('invalid excludeUserUsernames param');
 
 	// Get 'following' parameter
 	const [following = null, followingErr] = $(params.following).optional.nullable.boolean().$;
diff --git a/src/api/models/post.ts b/src/api/models/post.ts
index 4f7729fbe8..7a93753f74 100644
--- a/src/api/models/post.ts
+++ b/src/api/models/post.ts
@@ -197,7 +197,7 @@ export const pack = async (
 
 		// Fetch my reaction
 		if (meId) {
-			_post.my_reaction = (async () => {
+			_post.myReaction = (async () => {
 				const reaction = await Reaction
 					.findOne({
 						userId: meId,
diff --git a/src/web/app/common/scripts/parse-search-query.ts b/src/web/app/common/scripts/parse-search-query.ts
index 81444c8b01..4f09d2b93f 100644
--- a/src/web/app/common/scripts/parse-search-query.ts
+++ b/src/web/app/common/scripts/parse-search-query.ts
@@ -11,7 +11,7 @@ export default function(qs: string) {
 					q['includeUserUsernames'] = value.split(',');
 					break;
 				case 'exclude_user':
-					q['exclude_userUsernames'] = value.split(',');
+					q['excludeUserUsernames'] = value.split(',');
 					break;
 				case 'follow':
 					q['following'] = value == 'null' ? null : value == 'true';
diff --git a/src/web/app/desktop/views/components/post-detail.vue b/src/web/app/desktop/views/components/post-detail.vue
index 3f62c0d598..7783ec62c7 100644
--- a/src/web/app/desktop/views/components/post-detail.vue
+++ b/src/web/app/desktop/views/components/post-detail.vue
@@ -61,7 +61,7 @@
 			<button @click="repost" title="Repost">
 				%fa:retweet%<p class="count" v-if="p.repostCount > 0">{{ p.repostCount }}</p>
 			</button>
-			<button :class="{ reacted: p.my_reaction != null }" @click="react" ref="reactButton" title="リアクション">
+			<button :class="{ reacted: p.myReaction != null }" @click="react" ref="reactButton" title="リアクション">
 				%fa:plus%<p class="count" v-if="p.reactions_count > 0">{{ p.reactions_count }}</p>
 			</button>
 			<button @click="menu" ref="menuButton">
diff --git a/src/web/app/desktop/views/components/posts.post.vue b/src/web/app/desktop/views/components/posts.post.vue
index a9b4d9eead..c70e019115 100644
--- a/src/web/app/desktop/views/components/posts.post.vue
+++ b/src/web/app/desktop/views/components/posts.post.vue
@@ -63,7 +63,7 @@
 				<button @click="repost" title="%i18n:desktop.tags.mk-timeline-post.repost%">
 					%fa:retweet%<p class="count" v-if="p.repostCount > 0">{{ p.repostCount }}</p>
 				</button>
-				<button :class="{ reacted: p.my_reaction != null }" @click="react" ref="reactButton" title="%i18n:desktop.tags.mk-timeline-post.add-reaction%">
+				<button :class="{ reacted: p.myReaction != null }" @click="react" ref="reactButton" title="%i18n:desktop.tags.mk-timeline-post.add-reaction%">
 					%fa:plus%<p class="count" v-if="p.reactions_count > 0">{{ p.reactions_count }}</p>
 				</button>
 				<button @click="menu" ref="menuButton">
diff --git a/src/web/app/mobile/views/components/post-detail.vue b/src/web/app/mobile/views/components/post-detail.vue
index cf51696c44..29993c79ed 100644
--- a/src/web/app/mobile/views/components/post-detail.vue
+++ b/src/web/app/mobile/views/components/post-detail.vue
@@ -64,7 +64,7 @@
 			<button @click="repost" title="Repost">
 				%fa:retweet%<p class="count" v-if="p.repostCount > 0">{{ p.repostCount }}</p>
 			</button>
-			<button :class="{ reacted: p.my_reaction != null }" @click="react" ref="reactButton" title="%i18n:mobile.tags.mk-post-detail.reaction%">
+			<button :class="{ reacted: p.myReaction != null }" @click="react" ref="reactButton" title="%i18n:mobile.tags.mk-post-detail.reaction%">
 				%fa:plus%<p class="count" v-if="p.reactions_count > 0">{{ p.reactions_count }}</p>
 			</button>
 			<button @click="menu" ref="menuButton">
diff --git a/src/web/app/mobile/views/components/post.vue b/src/web/app/mobile/views/components/post.vue
index 77ca45a7f1..66c595f4e9 100644
--- a/src/web/app/mobile/views/components/post.vue
+++ b/src/web/app/mobile/views/components/post.vue
@@ -63,7 +63,7 @@
 				<button @click="repost" title="Repost">
 					%fa:retweet%<p class="count" v-if="p.repostCount > 0">{{ p.repostCount }}</p>
 				</button>
-				<button :class="{ reacted: p.my_reaction != null }" @click="react" ref="reactButton">
+				<button :class="{ reacted: p.myReaction != null }" @click="react" ref="reactButton">
 					%fa:plus%<p class="count" v-if="p.reactions_count > 0">{{ p.reactions_count }}</p>
 				</button>
 				<button class="menu" @click="menu" ref="menuButton">
diff --git a/src/web/docs/api/entities/post.yaml b/src/web/docs/api/entities/post.yaml
index 0a07308460..71b6a64123 100644
--- a/src/web/docs/api/entities/post.yaml
+++ b/src/web/docs/api/entities/post.yaml
@@ -53,7 +53,7 @@ props:
     desc:
       ja: "投稿者"
       en: "The author of this post"
-  - name: "my_reaction"
+  - name: "myReaction"
     type: "string"
     optional: true
     desc: