diff --git a/api/src/main/kotlin/com/lhwdev/selfTestMacro/api/registerServey.kt b/api/src/main/kotlin/com/lhwdev/selfTestMacro/api/registerServey.kt
index 5554f9e6..84e37306 100644
--- a/api/src/main/kotlin/com/lhwdev/selfTestMacro/api/registerServey.kt
+++ b/api/src/main/kotlin/com/lhwdev/selfTestMacro/api/registerServey.kt
@@ -62,7 +62,7 @@ data class SurveyData(
 	@Serializable(with = YesNoSerializer::class) val rspns00: Boolean = true,
 	val rspns01: String = "1",
 	val rspns02: String = "1",
-	val rspns03: String? = null,
+	val rspns03: String = "1",
 	val rspns04: String? = null,
 	val rspns05: String? = null,
 	val rspns06: String? = null,
diff --git a/api/src/main/kotlin/com/lhwdev/selfTestMacro/api/validatePassword.kt b/api/src/main/kotlin/com/lhwdev/selfTestMacro/api/validatePassword.kt
index 6f4e9785..e719dbb2 100644
--- a/api/src/main/kotlin/com/lhwdev/selfTestMacro/api/validatePassword.kt
+++ b/api/src/main/kotlin/com/lhwdev/selfTestMacro/api/validatePassword.kt
@@ -24,15 +24,82 @@ val transkeyUrl: URL = URL("https://hcs.eduro.go.kr/transkeyServlet")
 /*
  * usersId token --(validatePassword)--> users token(temporary) --(selectUserGroup)--> user token
  */
-
 sealed class PasswordResult {
 	abstract val isSuccess: Boolean
+	
+	@Serializable
+	data class Success(
+		@Serializable(YesNoSerializer::class)
+		@SerialName("pInfAgrmYn")
+		val agreement: Boolean,
+		
+		val token: UsersToken
+	) : PasswordResult() {
+		override val isSuccess: Boolean get() = true
+	}
+	
+	// {isError: true, statusCode: 252, errorCode: 1001, data: {failCnt: 1, canInitPassword: false}}
+	/* switch(e.data.errorCode):
+	 * case 1000:
+	 *     var t = "비밀번호를 5회 틀리셔서 5분후 재시도 하실 수 있습니다.";
+	 *     void 0 != e.data.data && void 0 != e.data.data.remainMinutes && (t += "\n약 ".concat(e.data.data.remainMinutes, "분 남았습니다")),
+	 *     5 === e.data.data.failCnt && (t += "\n비밀번호를 잊으셨나요? 학교(기관)로 문의 바랍니다."),
+	 *     alert(t);
+	 *     break;
+	 * case 1001:
+	 *     if (!1 === e.data.data.canInitPassword) {
+	 *         var n = "사용자 비밀번호가 맞지 않습니다. \n본인이나 가족이 이미 설정한 비밀번호를 입력하여 주시기 바랍니다.\n5회 틀리실 경우 5분후에 재시도 가능합니다 \n" + "현재 ".concat(e.data.data.failCnt, "회 틀리셨습니다");
+	 *         alert(n)
+	 *     }
+	 *     break;
+	 * case 1003:
+	 *     alert("비밀번호가 초기화 되었습니다.\n다시 로그인하세요")
+	 */
+	@Serializable
+	data class Failed(
+		val isError: Boolean,
+		val statusCode: Int,
+		val errorCode: Int,
+		val data: Data
+	) : PasswordResult() {
+		override val isSuccess get() = false
+		
+		val errorMessage: String? = when(statusCode) {
+			252 -> when(errorCode) {
+				1000 -> "비밀번호를 5회 틀려서 5분후 재시도 하실 수 있어요."
+				1001 -> """
+				사용자 비밀번호가 맞지 않아요.
+				본인이나 가족이 이미 설정한 비밀번호를 입력해 주세요.
+				5회 틀리실 경우 5분후에 재시도할 수 있어요.
+				현재 ${data.failedCount}회 틀리셨습니다.
+			""".trimIndent()
+				1003 -> "비밀번호가 초기화되었으니 다시 로그인해주세요."
+				else -> null
+			}
+			255 -> when(errorCode) {
+				1004 -> "입력시간이 초과되어 다시 비밀번호를 입력해주세요."
+				else -> null
+			}
+			else -> null
+		}
+		
+		override fun toString(): String = when(errorCode) {
+			1000 -> "비밀본호를 5회 틀리셔서 5분 후 재시도하실 수 있습니다."
+			1001 -> "비밀번호가 맞지 않습니다. 현재 ${data.failedCount}회 실패하셨습니다."
+			1003 -> "비밀번호가 초기화되었습니다. 다시 로그인하세요."
+			else -> "알 수 없는 오류: 에러코드 $errorCode (틀린 횟수: ${data.failedCount})"
+		}
+		
+		@Serializable
+		data class Data(
+			@SerialName("failCnt") val failedCount: Int
+		)
+	}
+	
 }
 
 @Serializable(UsersToken.Serializer::class)
-data class UsersToken(val token: String) : PasswordResult() {
-	override val isSuccess get() = true
-	
+data class UsersToken(val token: String) {
 	object Serializer : KSerializer<UsersToken> {
 		override val descriptor = PrimitiveSerialDescriptor(UsersToken::class.java.name, PrimitiveKind.STRING)
 		override fun deserialize(decoder: Decoder) = UsersToken(decoder.decodeString())
@@ -42,44 +109,6 @@ data class UsersToken(val token: String) : PasswordResult() {
 	}
 }
 
-// {isError: true, statusCode: 252, errorCode: 1001, data: {failCnt: 1, canInitPassword: false}}
-/* switch(e.data.errorCode):
- * case 1000:
- *     var t = "비밀번호를 5회 틀리셔서 5분후 재시도 하실 수 있습니다.";
- *     void 0 != e.data.data && void 0 != e.data.data.remainMinutes && (t += "\n약 ".concat(e.data.data.remainMinutes, "분 남았습니다")),
- *     5 === e.data.data.failCnt && (t += "\n비밀번호를 잊으셨나요? 학교(기관)로 문의 바랍니다."),
- *     alert(t);
- *     break;
- * case 1001:
- *     if (!1 === e.data.data.canInitPassword) {
- *         var n = "사용자 비밀번호가 맞지 않습니다. \n본인이나 가족이 이미 설정한 비밀번호를 입력하여 주시기 바랍니다.\n5회 틀리실 경우 5분후에 재시도 가능합니다 \n" + "현재 ".concat(e.data.data.failCnt, "회 틀리셨습니다");
- *         alert(n)
- *     }
- *     break;
- * case 1003:
- *     alert("비밀번호가 초기화 되었습니다.\n다시 로그인하세요")
- */
-@Serializable
-data class PasswordWrong(
-	val isError: Boolean,
-	val statusCode: Int,
-	val errorCode: Int,
-	val data: Data
-) : PasswordResult() {
-	override val isSuccess get() = false
-	
-	override fun toString(): String = when(errorCode) {
-		1000 -> "비밀본호를 5회 틀리셔서 5분 후 재시도하실 수 있습니다."
-		1001 -> "비밀번호가 맞지 않습니다. 현재 ${data.failedCount}회 실패하셨습니다."
-		1003 -> "비밀번호가 초기화되었습니다. 다시 로그인하세요."
-		else -> "알 수 없는 오류: 에러코드 $errorCode (틀린 횟수: ${data.failedCount})"
-	}
-	
-	@Serializable
-	data class Data(
-		@SerialName("failCnt") val failedCount: Int
-	)
-}
 
 private val json = Json { ignoreUnknownKeys = true }
 
@@ -132,21 +161,9 @@ suspend fun Session.validatePassword(
 		}
 	).getText()
 	
-	fun parseResultToken(): UsersToken {
-		val userToken = result.removeSurrounding("\"")
-		require(userToken.startsWith("Bearer")) { "Malformed users token $userToken" }
-		return UsersToken(userToken)
-	}
-	
-	if(result.startsWith('\"')) return try {
-		parseResultToken()
-	} catch(e: Throwable) {
-		json.decodeFromString(PasswordWrong.serializer(), result)
-	}
-	
 	return try {
-		json.decodeFromString(PasswordWrong.serializer(), result)
+		json.decodeFromString(PasswordResult.Success.serializer(), result)
 	} catch(e: Throwable) {
-		parseResultToken()
+		json.decodeFromString(PasswordResult.Failed.serializer(), result)
 	}
 }
diff --git a/app/src/main/java/com/lhwdev/selfTestMacro/FirstActivity.kt b/app/src/main/java/com/lhwdev/selfTestMacro/FirstActivity.kt
index c53046b0..ead837b3 100644
--- a/app/src/main/java/com/lhwdev/selfTestMacro/FirstActivity.kt
+++ b/app/src/main/java/com/lhwdev/selfTestMacro/FirstActivity.kt
@@ -8,7 +8,6 @@ import android.view.ViewGroup
 import android.view.inputmethod.EditorInfo
 import android.view.inputmethod.InputMethodManager
 import android.widget.ArrayAdapter
-import android.widget.EditText
 import android.widget.Filter
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
@@ -192,17 +191,18 @@ class FirstActivity : AppCompatActivity() {
 						})
 					} ?: return@main
 					
-					val token = catchErrorThanToast {
+					val result = catchErrorThanToast {
 						tryAtMost(maxTrial = 3) {
 							session.validatePassword(instituteInfo, userIdentifier, password)
 						}
 					} ?: return@main
 					
-					if(token is PasswordWrong) {
-						showToastSuspendAsync(token.toString())
+					if(result is PasswordResult.Failed) {
+						showToastSuspendAsync(result.toString())
 						return@main
 					}
-					require(token is UsersToken)
+					require(result is PasswordResult.Success)
+					val token = result.token
 					
 					val groups = tryAtMost(maxTrial = 3) {
 						session.getUserGroup(instituteInfo, token)
@@ -210,7 +210,8 @@ class FirstActivity : AppCompatActivity() {
 					singleOfUserGroup(groups) ?: return@main // TODO: many users
 					
 					pref.institute = instituteInfo
-					pref.user = UserLoginInfo(userIdentifier, instituteInfo, birth, LoginType.school, password/*, token*/)
+					pref.user =
+						UserLoginInfo(userIdentifier, instituteInfo, birth, LoginType.school, password/*, token*/)
 					pref.setting = UserSetting(
 						loginType = LoginType.school, // TODO
 						region = sRegions.getValue(input_region.text.toString()),
diff --git a/app/src/main/java/com/lhwdev/selfTestMacro/MainActivity.kt b/app/src/main/java/com/lhwdev/selfTestMacro/MainActivity.kt
index 5b62dd31..ed576e4f 100644
--- a/app/src/main/java/com/lhwdev/selfTestMacro/MainActivity.kt
+++ b/app/src/main/java/com/lhwdev/selfTestMacro/MainActivity.kt
@@ -19,10 +19,7 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.core.text.HtmlCompat
 import androidx.core.view.setPadding
 import androidx.lifecycle.lifecycleScope
-import com.lhwdev.selfTestMacro.api.UsersToken
-import com.lhwdev.selfTestMacro.api.getUserGroup
-import com.lhwdev.selfTestMacro.api.getUserInfo
-import com.lhwdev.selfTestMacro.api.validatePassword
+import com.lhwdev.selfTestMacro.api.*
 import kotlinx.android.synthetic.main.activity_main.*
 import kotlinx.android.synthetic.main.content_main.*
 import kotlinx.coroutines.Dispatchers
@@ -72,7 +69,11 @@ class MainActivity : AppCompatActivity() {
 			
 			val detailedUserInfo = try {
 				val usersIdentifier = user.findUser(session)
-				val usersToken = session.validatePassword(institute, usersIdentifier, user.password) as UsersToken
+				val usersToken = (session.validatePassword(
+					institute,
+					usersIdentifier,
+					user.password
+				) as PasswordResult.Success).token
 				val users = session.getUserGroup(institute, usersToken)
 				session.getUserInfo(institute, singleOfUserGroup(users)!!)
 			} catch(e: Throwable) {
diff --git a/app/src/main/java/com/lhwdev/selfTestMacro/selfTestUtils.kt b/app/src/main/java/com/lhwdev/selfTestMacro/selfTestUtils.kt
index 34b010cc..b8b020f0 100644
--- a/app/src/main/java/com/lhwdev/selfTestMacro/selfTestUtils.kt
+++ b/app/src/main/java/com/lhwdev/selfTestMacro/selfTestUtils.kt
@@ -59,8 +59,10 @@ suspend fun Context.submitSuspend(session: Session, notification: Boolean = true
 			// }
 			val usersIdentifier = loginInfo.findUser(session)
 			
-			val usersToken = session.validatePassword(institute, usersIdentifier, loginInfo.password) as? UsersToken
-				?: error("잘못된 비밀번호입니다.")
+			val usersToken =
+				(session.validatePassword(institute, usersIdentifier, loginInfo.password) as? PasswordResult.Success
+					?: error("잘못된 비밀번호입니다.")
+					).token
 			
 			val users = session.getUserGroup(institute, usersToken)