采用外部库

pom.xml

@@ -17,10 +17,24 @@
     </properties>
 
     <repositories>
+        <repository>
+            <id>maven-central</id>
+            <url>https://maven.aliyun.com/repository/public</url>
+        </repository>
 
         <repository>
-            <id>ycraft</id>
+            <id>placeholder-api-repo</id>
-            <url>https://maven.ycraft.cn/repository/maven-public/</url>
+            <url>https://repo.extendedclip.com/content/repositories/placeholderapi/</url>
+        </repository>
+
+        <repository>
+            <id>oss-repo</id>
+            <url>https://oss.sonatype.org/content/groups/public/</url>
+        </repository>
+
+        <repository>
+            <id>spigotmc-repo</id>
+            <url>https://hub.spigotmc.org/nexus/content/repositories/public/</url>
         </repository>
 
         <repository>
@@ -52,20 +66,6 @@
             <scope>provided</scope>
         </dependency>
 
-        <dependency>
-            <groupId>com.comphenix.protocol</groupId>
-            <artifactId>ProtocolLib</artifactId>
-            <version>4.5.0</version>
-            <scope>provided</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>com.comphenix.packetwrapper</groupId>
-            <artifactId>PacketWrapper</artifactId>
-            <version>1.13-R0.1-SNAPSHOT</version>
-            <scope>provided</scope>
-        </dependency>
-
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>