diff --git a/README.md b/README.md
index c562c8a..d448c52 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,8 @@
 # chzzk4j
 
-![](https://img.shields.io/maven-central/v/io.github.R2turnTrue/chzzk4j)
-[Example Minecraft Plugin](https://github.com/R2turnTrue/chzzk4j_demo)
+![](https://img.shields.io/maven-central/v/io.github.R2turnTrue/chzzk4j) / 
+[Example Minecraft Plugin](https://github.com/R2turnTrue/chzzk4j_demo) / 
+[Discord Server](https://discord.gg/gtJ265XZWn)
 
 Unofficial Java API library of CHZZK (치지직, the video streaming service of Naver)
 
diff --git a/build.gradle.kts b/build.gradle.kts
index 3000f4f..f65b1dd 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -11,7 +11,7 @@ plugins {
 }
 
 group = "io.github.R2turnTrue"
-version = "0.0.1"
+version = "0.0.2"
 
 val publishProps = Properties()
 publishProps.load(
@@ -50,7 +50,7 @@ publishing {
             artifactId = "chzzk4j"
             groupId = "io.github.R2turnTrue"
 
-            version = "0.0.1"
+            version = "0.0.2"
 
             from(components["java"])
 
diff --git a/src/main/java/xyz/r2turntrue/chzzk4j/Chzzk.java b/src/main/java/xyz/r2turntrue/chzzk4j/Chzzk.java
index 9babe93..d83f155 100644
--- a/src/main/java/xyz/r2turntrue/chzzk4j/Chzzk.java
+++ b/src/main/java/xyz/r2turntrue/chzzk4j/Chzzk.java
@@ -83,7 +83,8 @@ public OkHttpClient getHttpClient() {
     public ChzzkChannel getChannel(String channelId) throws IOException, ChannelNotExistsException {
         JsonElement contentJson = RawApiUtils.getContentJson(
                 httpClient,
-                RawApiUtils.httpGetRequest(API_URL + "/service/v1/channels/" + channelId).build());
+                RawApiUtils.httpGetRequest(API_URL + "/service/v1/channels/" + channelId).build(),
+                isDebug);
 
         ChzzkChannel channel = gson.fromJson(
                 contentJson,
@@ -107,7 +108,8 @@ public ChzzkChannel getChannel(String channelId) throws IOException, ChannelNotE
     public ChzzkChannelRules getChannelChatRules(String channelId) throws IOException, NotExistsException {
         JsonElement contentJson = RawApiUtils.getContentJson(
                 httpClient,
-                RawApiUtils.httpGetRequest(API_URL + "/service/v1/channels/" + channelId + "/chat-rules").build());
+                RawApiUtils.httpGetRequest(API_URL + "/service/v1/channels/" + channelId + "/chat-rules").build(),
+                isDebug);
 
         ChzzkChannelRules rules = gson.fromJson(
                 contentJson,
@@ -136,7 +138,8 @@ public ChzzkChannelFollowingData getFollowingStatus(String channelId) throws IOE
 
         JsonElement contentJson = RawApiUtils.getContentJson(
                 httpClient,
-                RawApiUtils.httpGetRequest(API_URL + "/service/v1/channels/" + channelId + "/follow").build());
+                RawApiUtils.httpGetRequest(API_URL + "/service/v1/channels/" + channelId + "/follow").build(),
+                isDebug);
 
         ChzzkFollowingStatusResponse followingDataResponse = gson.fromJson(
                 contentJson,
@@ -163,7 +166,8 @@ public ChzzkUser getLoggedUser() throws IOException, NotLoggedInException {
 
         JsonElement contentJson = RawApiUtils.getContentJson(
                 httpClient,
-                RawApiUtils.httpGetRequest(GAME_API_URL + "/v1/user/getUserStatus").build());
+                RawApiUtils.httpGetRequest(GAME_API_URL + "/v1/user/getUserStatus").build(),
+                isDebug);
 
         ChzzkUser user = gson.fromJson(
                 contentJson,
diff --git a/src/main/java/xyz/r2turntrue/chzzk4j/chat/ChzzkChat.java b/src/main/java/xyz/r2turntrue/chzzk4j/chat/ChzzkChat.java
index e48d17f..c2ce3cd 100644
--- a/src/main/java/xyz/r2turntrue/chzzk4j/chat/ChzzkChat.java
+++ b/src/main/java/xyz/r2turntrue/chzzk4j/chat/ChzzkChat.java
@@ -48,7 +48,7 @@ public void sendChat(String content) {
 
     public void connectFromChannelId(String channelId) throws IOException {
         String chatId = RawApiUtils.getContentJson(chzzk.getHttpClient(),
-                RawApiUtils.httpGetRequest(Chzzk.API_URL + "/service/v1/channels/" + channelId + "/live-detail").build())
+                RawApiUtils.httpGetRequest(Chzzk.API_URL + "/service/v2/channels/" + channelId + "/live-detail").build(), chzzk.isDebug)
                 .getAsJsonObject()
                 .get("chatChannelId")
                 .getAsString();
@@ -78,7 +78,8 @@ void connectFromChatId(String channelId, String chatId) throws IOException {
                 "&chatType=STREAMING";
         accessToken = RawApiUtils.getContentJson(
                 chzzk.getHttpClient(),
-                RawApiUtils.httpGetRequest(accessTokenUrl).build()
+                RawApiUtils.httpGetRequest(accessTokenUrl).build(),
+                chzzk.isDebug
         ).getAsJsonObject().get("accessToken").getAsString();
 
         int serverId = 0;
diff --git a/src/main/java/xyz/r2turntrue/chzzk4j/util/RawApiUtils.java b/src/main/java/xyz/r2turntrue/chzzk4j/util/RawApiUtils.java
index ca4408e..aa5fc97 100644
--- a/src/main/java/xyz/r2turntrue/chzzk4j/util/RawApiUtils.java
+++ b/src/main/java/xyz/r2turntrue/chzzk4j/util/RawApiUtils.java
@@ -17,23 +17,30 @@ public static Request.Builder httpGetRequest(String url) {
                 .get();
     }
 
-    public static JsonObject getRawJson(OkHttpClient httpClient, Request request) throws IOException {
+    public static JsonObject getRawJson(OkHttpClient httpClient, Request request, boolean isDebug) throws IOException {
         Response response = httpClient.newCall(request).execute();
 
         if (response.isSuccessful()) {
             ResponseBody body = response.body();
             assert body != null;
             String bodyString = body.string();
-            //System.out.println("BD: " + bodyString);
+            //\System.out.println("BD: " + bodyString);
 
             return JsonParser.parseString(bodyString).getAsJsonObject();
         } else {
             System.err.println(response);
+            if (isDebug) {
+                ResponseBody body = response.body();
+                if (body != null) {
+                    String bodyString = body.string();
+                    System.out.println("BD: " + bodyString);
+                }
+            }
             throw new IOException("Response was not successful!");
         }
     }
 
-    public static JsonElement getContentJson(OkHttpClient httpClient, Request request) throws IOException {
-        return getRawJson(httpClient, request).get("content");
+    public static JsonElement getContentJson(OkHttpClient httpClient, Request request, boolean isDebug) throws IOException {
+        return getRawJson(httpClient, request, isDebug).get("content");
     }
 }
diff --git a/src/test/java/ChatTest.java b/src/test/java/ChatTest.java
index 5110aa1..eb41f06 100644
--- a/src/test/java/ChatTest.java
+++ b/src/test/java/ChatTest.java
@@ -12,12 +12,13 @@ public class ChatTest extends ChzzkTestBase {
     @Test
     void testingChat() throws IOException, InterruptedException {
         ChzzkChat chat = loginChzzk.chat();
-        chat.connectFromChannelId("ec94e63170d15e8e8d5eff72ca69c1a7");
+        loginChzzk.isDebug = true;
+        chat.connectFromChannelId("bb382c2c0cc9fa7c86ab3b037fb5799c");
         chat.addListener(new ChatEventListener() {
             @Override
             public void onConnect() {
                 System.out.println("Connect received!");
-                chat.sendChat("ㅋㅋㅋㅋ");
+                //chat.sendChat("ㅋㅋㅋㅋ");
                 chat.requestRecentChat(50);
             }
 
diff --git a/src/test/java/ChzzkTestBase.java b/src/test/java/ChzzkTestBase.java
index 76741e6..b7ea092 100644
--- a/src/test/java/ChzzkTestBase.java
+++ b/src/test/java/ChzzkTestBase.java
@@ -21,5 +21,8 @@ public ChzzkTestBase() {
         currentUserId = properties.getProperty("CURRENT_USER_ID");
         chzzk = new ChzzkBuilder().build();
         loginChzzk = new ChzzkBuilder(properties.getProperty("NID_AUT"), properties.getProperty("NID_SES")).build();
+
+        chzzk.isDebug = true;
+        loginChzzk.isDebug = true;
     }
 }