diff --git a/app/build.gradle b/app/build.gradle
index f7c1b6a..048b28b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -70,4 +70,6 @@ dependencies {
     // define any required OkHttp artifacts without version
     implementation("com.squareup.okhttp3:okhttp")
     implementation("com.squareup.okhttp3:logging-interceptor")
+
+
 }
\ No newline at end of file
diff --git a/app/src/main/java/org/android/go/sopt/module/AuthApiFactory.kt b/app/src/main/java/org/android/go/sopt/module/AuthApiFactory.kt
index ee733ae..f4853fb 100644
--- a/app/src/main/java/org/android/go/sopt/module/AuthApiFactory.kt
+++ b/app/src/main/java/org/android/go/sopt/module/AuthApiFactory.kt
@@ -4,6 +4,8 @@ import com.jakewharton.retrofit2.converter.kotlinx.serialization.asConverterFact
 import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.json.Json
 import okhttp3.MediaType.Companion.toMediaType
+import okhttp3.OkHttpClient
+import okhttp3.logging.HttpLoggingInterceptor
 import org.android.go.sopt.BuildConfig
 import org.android.go.sopt.data.service.AuthService
 import retrofit2.Retrofit
@@ -11,11 +13,19 @@ import retrofit2.Retrofit
 object AuthApiFactory {
     private const val BASE_URL = BuildConfig.AUTH_BASE_URL
 
+    private val client by lazy {
+        OkHttpClient.Builder().addInterceptor(HttpLoggingInterceptor().apply {
+            level =
+                if (BuildConfig.DEBUG) HttpLoggingInterceptor.Level.BODY else HttpLoggingInterceptor.Level.NONE
+        }).build()
+    }
+
     @OptIn(ExperimentalSerializationApi::class)
     val retrofit: Retrofit by lazy {
         Retrofit.Builder()
             .baseUrl(BASE_URL)
             .addConverterFactory(Json.asConverterFactory("application/json".toMediaType()))
+            .client(client)
             .build()
     }
 
diff --git a/app/src/main/java/org/android/go/sopt/presentation/auth/LoginViewModel.kt b/app/src/main/java/org/android/go/sopt/presentation/auth/LoginViewModel.kt
index 9c9ce78..841b542 100644
--- a/app/src/main/java/org/android/go/sopt/presentation/auth/LoginViewModel.kt
+++ b/app/src/main/java/org/android/go/sopt/presentation/auth/LoginViewModel.kt
@@ -18,8 +18,6 @@ class LoginViewModel : ViewModel() {
     private val _errorResult: MutableLiveData<String> = MutableLiveData()
     val errorResult: LiveData<String> = _errorResult
 
-    private lateinit var binding: ActivityLoginBinding
-
     fun login(id: String, password: String) {
         authService.login(
             LoginRequestDTO(