diff --git a/key-pair-loader/src/main/java/com/onixbyte/security/KeyLoader.java b/key-pair-loader/src/main/java/com/onixbyte/security/KeyLoader.java
index 5cbd52f..0fa6a63 100644
--- a/key-pair-loader/src/main/java/com/onixbyte/security/KeyLoader.java
+++ b/key-pair-loader/src/main/java/com/onixbyte/security/KeyLoader.java
@@ -17,11 +17,8 @@
 
 package com.onixbyte.security;
 
-import com.onixbyte.security.exception.KeyLoadingException;
-
 import java.security.PrivateKey;
 import java.security.PublicKey;
-import java.security.interfaces.ECPrivateKey;
 
 /**
  * The {@code KeyLoader} class provides utility methods for loading keys pairs from PEM-formatted
@@ -31,7 +28,7 @@ import java.security.interfaces.ECPrivateKey;
  * from PEM-formatted strings for cryptographic operations.
  *
  * @author zihluwang
- * @version 1.6.0
+ * @version 2.0.0
  * @since 1.6.0
  */
 public interface KeyLoader {
diff --git a/key-pair-loader/src/main/java/com/onixbyte/security/exception/KeyLoadingException.java b/key-pair-loader/src/main/java/com/onixbyte/security/exception/KeyLoadingException.java
index 853f203..3c4cabc 100644
--- a/key-pair-loader/src/main/java/com/onixbyte/security/exception/KeyLoadingException.java
+++ b/key-pair-loader/src/main/java/com/onixbyte/security/exception/KeyLoadingException.java
@@ -29,7 +29,8 @@ package com.onixbyte.security.exception;
  * <p><b>Example usage:</b></p>
  * <pre>{@code
  * try {
- *     ECPrivateKey privateKey = KeyLoader.loadEcdsaPrivateKey(pemPrivateKey);
+ *     KeyLoader keyLoader = new EcKeyLoader();
+ *     ECPrivateKey privateKey = keyLoader.loadPrivateKey(pemPrivateKey);
  * } catch (KeyLoadingException e) {
  *     // Handle the exception
  *     e.printStackTrace();
@@ -37,7 +38,7 @@ package com.onixbyte.security.exception;
  * }</pre>
  *
  * @author zihluwang
- * @version 1.6.0
+ * @version 2.0.0
  * @since 1.6.0
  */
 public class KeyLoadingException extends RuntimeException {
diff --git a/key-pair-loader/src/main/java/com/onixbyte/security/impl/EcKeyLoader.java b/key-pair-loader/src/main/java/com/onixbyte/security/impl/EcKeyLoader.java
index 867e968..4542c7c 100644
--- a/key-pair-loader/src/main/java/com/onixbyte/security/impl/EcKeyLoader.java
+++ b/key-pair-loader/src/main/java/com/onixbyte/security/impl/EcKeyLoader.java
@@ -48,6 +48,10 @@ import java.util.Base64;
  *                       -----END EC PUBLIC KEY-----""";
  * ECPublicKey publicKey = KeyLoader.loadPublicKey(pemPublicKey);
  * }</pre>
+ *
+ * @author zihluwang
+ * @version 2.0.0
+ * @since 2.0.0
  */
 public class EcKeyLoader implements KeyLoader {
 
diff --git a/simple-jwt-spring-boot-starter/README.md b/simple-jwt-spring-boot-starter/README.md
index 772be19..8b3a8ca 100644
--- a/simple-jwt-spring-boot-starter/README.md
+++ b/simple-jwt-spring-boot-starter/README.md
@@ -29,7 +29,7 @@ It is quite simple to install this module by `Maven`. The only thing you need to
     <version>${simple-jwt-${any-implementation}.version}</version>
 </dependency>
 <dependency>
-	<groupId>cn.org.codecrafters</groupId>
+	<groupId>com.onixbyte</groupId>
     <artifactId>simple-jwt-spring-boot-starter</artifactId>
     <version>${simple-jwt-spring-boot-starter.version}</version>
 </dependency>
@@ -50,7 +50,7 @@ Find `build.gradle` in the needed project, and add the following code to the `de
 
 ```groovy
 implementation '${implementation-builder-group-id}:simple-jwt-${any-implementation}:${simple-jwt-${any-implementation}.version}'
-implementation 'cn.org.codecrafters:simple-jwt-spring-boot-starter:${simple-jwt-spring-boot-starter.version}'
+implementation 'com.onixbyte:simple-jwt-spring-boot-starter:${simple-jwt-spring-boot-starter.version}'
 ```
 
 ### If you are not using `Maven` or `Gradle`