diff --git a/README.md b/README.md
index f9a005d..67632d9 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,13 @@
 
 # MoeTeleport 喵喵传送
 
+[![CodeFactor](https://www.codefactor.io/repository/github/carm-outsource/MoeTeleport/badge?s=b76fec1f64726b5f19989aace6adb5f85fdab840)](https://www.codefactor.io/repository/github/carm-outsource/MoeTeleport)
+![CodeSize](https://img.shields.io/github/languages/code-size/carm-outsource/MoeTeleport)
+[![Download](https://img.shields.io/github/downloads/carm-outsource/MoeTeleport/total)](https://github.com/carm-outsource/MoeTeleport/releases)
+[![Java CI with Maven](https://github.com/carm-outsource/MoeTeleport/actions/workflows/maven.yml/badge.svg?branch=master)](https://github.com/carm-outsource/MoeTeleport/actions/workflows/maven.yml)
+![Support](https://img.shields.io/badge/Minecraft-Java%201.13--Latest-blue)
+![](https://visitor-badge.glitch.me/badge?page_id=userprefix.readme)
+
 开源的传送插件，包含数个功能，并根据用户需求持续更新添加新功能。
 
 项目代码符合开发规范，适合新手开发者学习Bukkit，制作属于自己的插件。
@@ -124,18 +131,6 @@
 
 支持 [MineDown 语法](https://wiki.phoenix616.dev/library:minedown:syntax)，详见源文件。
 
-### 玩家数据配置文件 (data/\<UUID\>.yml)
-
-本插件采用 `YAML格式` 存储玩家数据。
-
-```yaml
-# 玩家的家位置记录
-# 格式为 world;x;y;z;yaw;pitch
-homes:
-  "name": "world;112.21;45;21.241245552;92.5512;-11"
-
-```
-
 ## 使用统计
 
 [![bStats](https://bstats.org/signatures/bukkit/MoeTeleport.svg)](https://bstats.org/plugin/bukkit/MoeTeleport/14459)
diff --git a/src/main/java/cc/carm/plugin/moeteleport/conf/PluginMessages.java b/src/main/java/cc/carm/plugin/moeteleport/conf/PluginMessages.java
index 13eab9c..730444b 100644
--- a/src/main/java/cc/carm/plugin/moeteleport/conf/PluginMessages.java
+++ b/src/main/java/cc/carm/plugin/moeteleport/conf/PluginMessages.java
@@ -34,7 +34,6 @@ public class PluginMessages extends ConfigurationRoot {
         };
     }
 
-
     public static final ConfiguredMessageList<BaseComponent[]> NO_PERMISSION = list().defaults(
             "&c&l抱歉！&f但您没有足够的权限使用该指令。"
     ).build();
@@ -108,7 +107,6 @@ public class PluginMessages extends ConfigurationRoot {
 
     }
 
-
     public static class RELOAD extends ConfigurationRoot {
 
         public static final ConfiguredMessageList<BaseComponent[]> START = list().defaults(
diff --git a/src/main/java/cc/carm/plugin/moeteleport/manager/CommandManager.java b/src/main/java/cc/carm/plugin/moeteleport/manager/CommandManager.java
index 515e5be..d5e15ab 100644
--- a/src/main/java/cc/carm/plugin/moeteleport/manager/CommandManager.java
+++ b/src/main/java/cc/carm/plugin/moeteleport/manager/CommandManager.java
@@ -3,6 +3,7 @@ package cc.carm.plugin.moeteleport.manager;
 import cc.carm.plugin.moeteleport.Main;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
 import org.bukkit.command.SimpleCommandMap;
 import org.bukkit.plugin.SimplePluginManager;
@@ -36,9 +37,9 @@ public class CommandManager {
     }
 
     @SuppressWarnings("unchecked")
-    public Map<String, org.bukkit.command.Command> getKnownCommands() {
+    protected Map<String, Command> getKnownCommands() {
         try {
-            return (Map<String, org.bukkit.command.Command>) knownCommandsFiled.get(commandMap);
+            return (Map<String, Command>) knownCommandsFiled.get(commandMap);
         } catch (IllegalAccessException e) {
             e.printStackTrace();
         }
@@ -49,8 +50,7 @@ public class CommandManager {
         return this.plugin.getName().toLowerCase() + " ";
     }
 
-
-    public SimpleCommandMap getCommandMap() {
+    protected SimpleCommandMap getCommandMap() {
         return commandMap;
     }
 
@@ -79,7 +79,7 @@ public class CommandManager {
         registeredCommands.clear();
     }
 
-    public static class AliasCommand extends org.bukkit.command.Command {
+    public static class AliasCommand extends Command {
 
         protected final CommandManager commandManager;
         protected final String targetCommand;
@@ -90,7 +90,7 @@ public class CommandManager {
             this.targetCommand = targetCommand;
         }
 
-        public SimpleCommandMap getCommandMap() {
+        protected SimpleCommandMap getCommandMap() {
             return this.commandManager.getCommandMap();
         }