增加配置

src/main/java/com/mmlsystem/PlayerExpSystem/Foundation.java

@@ -24,6 +24,7 @@ public class Foundation extends JavaPlugin {
         Bukkit.getScheduler().scheduleSyncRepeatingTask(this, () -> {
             manager.saveAllPlayers();
         }, 1200L, 1200L);
+        saveDefaultConfig();
         getLogger().info("插件启用成功。");
     }
 

src/main/java/com/mmlsystem/PlayerExpSystem/SaveManager.java

@@ -14,6 +14,9 @@ public class SaveManager {
 
     public void saveAllPlayers() {
         boolean isFail = false;
+        if (Bukkit.getOnlinePlayers().isEmpty()) {
+            return;
+        }
         for (Player player : Bukkit.getOnlinePlayers()) {
             if (!listener.savePlayer(player)) {
                 isFail = true;
@@ -24,7 +27,7 @@ public class SaveManager {
             foundation.getLogger().warning("已完成自动保存例程，但发生了错误。");
         }
         else {
-            foundation.getLogger().info("已完成自动保存例程。");
+            if (foundation.getConfig().getBoolean("logging")) { foundation.getLogger().info("已完成自动保存例程。"); }
         }
     }
 }

src/main/resources/config.yml

@@ -0,0 +1 @@
+logging: false