diff --git a/src/main/java/cokr/xit/interfaces/disabledparking/service/bean/GPKI.java b/src/main/java/cokr/xit/interfaces/disabledparking/service/bean/GPKI.java
index c2a263e..1d477ed 100644
--- a/src/main/java/cokr/xit/interfaces/disabledparking/service/bean/GPKI.java
+++ b/src/main/java/cokr/xit/interfaces/disabledparking/service/bean/GPKI.java
@@ -37,10 +37,6 @@ public class GPKI extends AbstractComponent {
 
 	private gpkiapi_jni gpki;
 
-	static {
-		init();
-	}
-
 	/**주어진 문자열을 지정한 아이디의 서버인증서로 암호화하여 반환한다.
 	 * @param serverID 서버인증서 아이디
 	 * @param data 문자열
@@ -91,6 +87,8 @@ public class GPKI extends AbstractComponent {
 	}
 
 	private static void init() {
+		if (!serverCerts.isEmpty()) return;
+
 		try {
 			GpkiApi.init(conf.license);
 			gpkiapi_jni gpki = getGpki();
@@ -230,6 +228,7 @@ public class GPKI extends AbstractComponent {
 		if (gpki != null) return false;
 
 		try {
+			init();
 			gpki = getGpki();
 			return true;
 		} catch (Exception e) {
diff --git a/src/test/java/cokr/xit/interfaces/disabledparking/service/DisabledParkingServiceTest.java b/src/test/java/cokr/xit/interfaces/disabledparking/service/DisabledParkingServiceTest.java
index fd48e4d..d7f2736 100644
--- a/src/test/java/cokr/xit/interfaces/disabledparking/service/DisabledParkingServiceTest.java
+++ b/src/test/java/cokr/xit/interfaces/disabledparking/service/DisabledParkingServiceTest.java
@@ -12,6 +12,8 @@ import cokr.xit.interfaces.disabledparking.service.bean.DisabledParkingBean;
 import cokr.xit.interfaces.disabledparking.service.bean.GPKI;
 
 public class DisabledParkingServiceTest extends TestSupport {
+	@Resource(name = "disabledParkingBean")
+	private DisabledParkingBean bean;
 	@Resource(name = "disabledParkingService")
 	private DisabledParkingService service;
 
@@ -50,7 +52,7 @@ public class DisabledParkingServiceTest extends TestSupport {
 			"56저2472", "Y"
 		)
 		.forEach((k, v) -> {
-			Map<String, Object> result = service.getParkingInfo(k);
+			Map<String, Object> result = bean.getParkingInfo(k);
 			Assertions.assertEquals(v, result.get("PARKING_PSBL_YN"));
 		});
 	}