diff --git a/src/remote/activitypub/resolve-person.ts b/src/remote/activitypub/resolve-person.ts
index c288a2f00..b979bb1cd 100644
--- a/src/remote/activitypub/resolve-person.ts
+++ b/src/remote/activitypub/resolve-person.ts
@@ -15,7 +15,7 @@ export default async (value, verifier?: string) => {
 		object.type !== 'Person' ||
 		typeof object.preferredUsername !== 'string' ||
 		!validateUsername(object.preferredUsername) ||
-		!isValidName(object.name) ||
+		(object.name != '' && !isValidName(object.name)) ||
 		!isValidDescription(object.summary)
 	) {
 		throw new Error('invalid person');
diff --git a/src/remote/resolve-user.ts b/src/remote/resolve-user.ts
index 48219e8cb..9e1ae5195 100644
--- a/src/remote/resolve-user.ts
+++ b/src/remote/resolve-user.ts
@@ -16,7 +16,7 @@ export default async (username, host, option) => {
 		const finger = await webFinger(acctLower, acctLower);
 		const self = finger.links.find(link => link.rel && link.rel.toLowerCase() === 'self');
 		if (!self) {
-			throw new Error();
+			throw new Error('self link not found');
 		}
 
 		user = await resolvePerson(self.href, acctLower);
diff --git a/src/server/api/endpoints/users/show.ts b/src/server/api/endpoints/users/show.ts
index 2b0279937..d272ce463 100644
--- a/src/server/api/endpoints/users/show.ts
+++ b/src/server/api/endpoints/users/show.ts
@@ -37,7 +37,8 @@ module.exports = (params, me) => new Promise(async (res, rej) => {
 	if (typeof host === 'string') {
 		try {
 			user = await resolveRemoteUser(username, host, cursorOption);
-		} catch (exception) {
+		} catch (e) {
+			console.warn(`failed to resolve remote user: ${e}`);
 			return rej('failed to resolve remote user');
 		}
 	} else {