diff --git a/node/src/client.js b/node/src/client.js
index 7b04ae7..efaa17a 100644
--- a/node/src/client.js
+++ b/node/src/client.js
@@ -14,6 +14,7 @@
 // You should have received a copy of the GNU Affero General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 import { Long } from "bson"
+
 import {
 	AuthApiClient,
 	OAuthApiClient,
@@ -22,10 +23,10 @@ import {
 	KnownAuthStatusCode,
 	util,
 } from "node-kakao"
+/** @typedef {import("node-kakao").OAuthCredential} OAuthCredential */
+
 import chat from "node-kakao/chat"
 const { KnownChatType } = chat
-/** @typedef {import("node-kakao").OAuthCredential} OAuthCredential */
-/** @typedef {import("./clientmanager.js").default} ClientManager} */
 
 import { emitLines, promisify } from "./util.js"
 
@@ -82,20 +83,21 @@ class UserClient {
 
 export default class PeerClient {
 	/**
-	 * @param {ClientManager} manager
+	 * @param {import("./clientmanager.js").default} manager
 	 * @param {import("net").Socket} socket
 	 * @param {number} connID
-	 * @param {Map<string, UserClient>} userClients
 	 */
 	constructor(manager, socket, connID) {
 		this.manager = manager
 		this.socket = socket
 		this.connID = connID
+
 		this.stopped = false
 		this.notificationID = 0
 		this.maxCommandID = 0
 		this.peerID = null
 
+		/** @type {Map<string, UserClient>} */
 		this.userClients = new Map()
 	}
 
@@ -444,6 +446,7 @@ export default class PeerClient {
 			this.log("Ignoring old request", req.id)
 			return
 		}
+		this.log("Received request", req.id, "with command", req.command)
 		this.maxCommandID = req.id
 		let handler
 		if (!this.peerID) {