diff --git a/src/server/api/private/signin.ts b/src/server/api/private/signin.ts
index 5abb96d029..9719329ddb 100644
--- a/src/server/api/private/signin.ts
+++ b/src/server/api/private/signin.ts
@@ -11,9 +11,10 @@ export default async (ctx: Koa.Context) => {
 	ctx.set('Access-Control-Allow-Origin', config.url);
 	ctx.set('Access-Control-Allow-Credentials', 'true');
 
-	const username = ctx.request.body['username'];
-	const password = ctx.request.body['password'];
-	const token = ctx.request.body['token'];
+	const body = ctx.request.body as any;
+	const username = body['username'];
+	const password = body['password'];
+	const token = body['token'];
 
 	if (typeof username != 'string') {
 		ctx.status = 400;
@@ -35,11 +36,11 @@ export default async (ctx: Koa.Context) => {
 		usernameLower: username.toLowerCase(),
 		host: null
 	}, {
-		fields: {
-			data: false,
-			profile: false
-		}
-	}) as ILocalUser;
+			fields: {
+				data: false,
+				profile: false
+			}
+		}) as ILocalUser;
 
 	if (user === null) {
 		ctx.throw(404, {
diff --git a/src/server/api/private/signup.ts b/src/server/api/private/signup.ts
index b969b75fc0..563b6ca845 100644
--- a/src/server/api/private/signup.ts
+++ b/src/server/api/private/signup.ts
@@ -14,10 +14,12 @@ if (config.recaptcha) {
 }
 
 export default async (ctx: Koa.Context) => {
+	const body = ctx.request.body as any;
+
 	// Verify recaptcha
 	// ただしテスト時はこの機構は障害となるため無効にする
 	if (process.env.NODE_ENV !== 'test' && config.recaptcha != null) {
-		const success = await recaptcha(ctx.request.body['g-recaptcha-response']);
+		const success = await recaptcha(body['g-recaptcha-response']);
 
 		if (!success) {
 			ctx.throw(400, 'recaptcha-failed');
@@ -25,8 +27,8 @@ export default async (ctx: Koa.Context) => {
 		}
 	}
 
-	const username = ctx.request.body['username'];
-	const password = ctx.request.body['password'];
+	const username = body['username'];
+	const password = body['password'];
 
 	// Validate username
 	if (!validateUsername(username)) {
@@ -46,8 +48,8 @@ export default async (ctx: Koa.Context) => {
 			usernameLower: username.toLowerCase(),
 			host: null
 		}, {
-			limit: 1
-		});
+				limit: 1
+			});
 
 	// Check username already used
 	if (usernameExist !== 0) {
diff --git a/src/server/web/docs.ts b/src/server/web/docs.ts
index 05242e3616..f0181c4b94 100644
--- a/src/server/web/docs.ts
+++ b/src/server/web/docs.ts
@@ -181,10 +181,10 @@ router.get('/*/api/endpoints/*', async ctx => {
 		},
 		// @ts-ignore
 		params: ep.meta.params ? sortParams(Object.entries(ep.meta.params).map(([k, v]) => parseParamDefinition(k, v))) : null,
-		paramDefs: ep.meta.params ? extractParamDefRef(Object.entries(ep.meta.params).map(([k, v]) => v)) : null,
+		paramDefs: ep.meta.params ? extractParamDefRef(Object.values(ep.meta.params)) : null,
 		res: ep.meta.res,
 		resProps: ep.meta.res && ep.meta.res.props ? sortParams(Object.entries(ep.meta.res.props).map(([k, v]) => parsePropDefinition(k, v))) : null,
-		resDefs: null, //extractPropDefRef(Object.entries(ep.res.props).map(([k, v]) => parsePropDefinition(k, v)))
+		resDefs: null as any, //extractPropDefRef(Object.entries(ep.res.props).map(([k, v]) => parsePropDefinition(k, v)))
 		src: `https://github.com/syuilo/misskey/tree/master/src/server/api/endpoints/${name}.ts`
 	};
 
diff --git a/src/services/note/create.ts b/src/services/note/create.ts
index 8536b8b561..340120053b 100644
--- a/src/services/note/create.ts
+++ b/src/services/note/create.ts
@@ -363,10 +363,10 @@ async function notifyToWatchersOfRenotee(renote: INote, user: IUser, nm: Notific
 		noteId: renote._id,
 		userId: { $ne: user._id }
 	}, {
-		fields: {
-			userId: true
-		}
-	});
+			fields: {
+				userId: true
+			}
+		});
 
 	watchers.forEach(watcher => {
 		nm.push(watcher.userId, type);
@@ -378,10 +378,10 @@ async function notifyToWatchersOfReplyee(reply: INote, user: IUser, nm: Notifica
 		noteId: reply._id,
 		userId: { $ne: user._id }
 	}, {
-		fields: {
-			userId: true
-		}
-	});
+			fields: {
+				userId: true
+			}
+		});
 
 	watchers.forEach(watcher => {
 		nm.push(watcher.userId, 'reply');
@@ -432,7 +432,7 @@ async function publishToFollowers(note: INote, noteObj: any, user: IUser, noteAc
 	});
 
 	queue.forEach(inbox => {
-		deliver(user, noteActivity, inbox);
+		deliver(user as any, noteActivity, inbox);
 	});
 }