diff --git a/src/main/kotlin/network/KisWebSocketManager.kt b/src/main/kotlin/network/KisWebSocketManager.kt
index 94d079c..e8e74de 100644
--- a/src/main/kotlin/network/KisWebSocketManager.kt
+++ b/src/main/kotlin/network/KisWebSocketManager.kt
@@ -10,6 +10,10 @@ import io.ktor.client.plugins.websocket.*
 import io.ktor.client.engine.cio.*
 import io.ktor.client.engine.okhttp.*
 import io.ktor.client.plugins.*
+import io.ktor.client.plugins.logging.DEFAULT
+import io.ktor.client.plugins.logging.LogLevel
+import io.ktor.client.plugins.logging.Logger
+import io.ktor.client.plugins.logging.Logging
 import io.ktor.http.*
 import io.ktor.websocket.*
 import kotlinx.coroutines.*
@@ -32,6 +36,11 @@ object KisWebSocketManager {
         install(WebSockets) {
             pingInterval = 20_000
         }
+        install(Logging) {
+            logger = Logger.DEFAULT
+            level = LogLevel.ALL // ALL, HEADERS, BODY, INFO, NONE 중 선택
+        }
+
         install(HttpTimeout) {
             requestTimeoutMillis = 30_000      // 전체 요청 시간
             connectTimeoutMillis = 10_000      // 서버 연결 시간
@@ -78,6 +87,7 @@ object KisWebSocketManager {
             while (isActive) { // 재연결을 위한 루프 추가
                 try {
                     client.webSocket(method = HttpMethod.Get, host = url.split(":")[0], port = url.split(":")[1].toInt(), path = "/last_price") {
+                        println("✅ 웹소켓 세션 진입 성공")
                         session = this
                         isConnected.set(true)
                         println("✅ 웹소켓 연결 성공")
@@ -102,7 +112,9 @@ object KisWebSocketManager {
                     }
                 } catch (e: Exception) {
                     println("❌ 웹소켓 연결 끊김: ${e.message}")
+                    e.printStackTrace()
                 } finally {
+                    println("🏁 웹소켓 finally 블록 진입 (연결 시도 종료)")
                     isConnected.set(false)
                     session = null
                     println("⏳ 5초 후 재연결 시도...")