fix(color): 修复前缀颜色显示的问题。

src/main/java/cc/carm/plugin/userprefix/command/admin/ListCommand.java

@@ -9,6 +9,8 @@ import org.bukkit.command.CommandSender;
 import org.bukkit.plugin.java.JavaPlugin;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.Optional;
+
 public class ListCommand extends SubCommand<AdminCommand> {
 
     public ListCommand(@NotNull AdminCommand parent, String name, String... aliases) {
@@ -21,7 +23,7 @@ public class ListCommand extends SubCommand<AdminCommand> {
         for (PrefixConfig value : UserPrefixAPI.getPrefixManager().getPrefixes().values()) {
             PluginMessages.LIST.VALUE.sendTo(sender,
                     value.getWeight(), value.getIdentifier(),
-                    value.getName(), value.getPermission(),
+                    value.getName(), Optional.ofNullable(value.getPermission()).orElse("~"),
                     value.getContent(sender), sender.getName()
             );
         }

src/main/java/cc/carm/plugin/userprefix/conf/prefix/PrefixConfig.java

@@ -108,18 +108,18 @@ public class PrefixConfig {
     public String getContent(CommandSender viewer) {
         if (content.isEmpty()) return "?";
         if (period < 0 || content.size() == 1) {
-            return MessageUtils.setPlaceholders(viewer, content.get(0));
+            return ColorParser.parse(MessageUtils.setPlaceholders(viewer, content.get(0)));
         }
         if (period == 0) {
             // PERIOD 为0时，随机返回一个内容
             int index = RANDOM.nextInt(content.size());
-            return MessageUtils.setPlaceholders(viewer, content.get(index));
+            return ColorParser.parse(MessageUtils.setPlaceholders(viewer, content.get(index)));
         } else {
             // 可变化的内容，则基于偏移量与时间戳计算目标index
             long curr = System.currentTimeMillis();
             long offset = curr % period; // 计算偏移量
             int index = (int) (offset / (period / content.size())); // 计算索引
-            return MessageUtils.setPlaceholders(viewer, content.get(index));
+            return ColorParser.parse(MessageUtils.setPlaceholders(viewer, content.get(index)));
         }
     }