diff --git a/config/config.yml b/config/config.yml
index 3d7a4b2..14760b0 100644
--- a/config/config.yml
+++ b/config/config.yml
@@ -1,16 +1,23 @@
-# 插件提示前缀.
-pluginPrefix: '&4[&b限时权限&4]'
+# 插件前缀.
+# Plugin prefix.
+pluginPrefix: '&4[&bPermissions Time&4] '
 # 是否开启DEBUG模式.
+# Whether to open the DEBUG mode.
 debug: false
-# 是否同意插件统计信息.
+# 是否同意插件上传统计信息.
+# Whether or not you agree with the plugin to upload statistics.
 metrics: true
 # 语言文件名称 在'lang'文件夹内.
-lang: zh-cn
+# Language file name.
+lang: en
 # 数据库相关.
+# Database settings.
 mysql:
   # 是否使用MySQL数据库.
+  # Whether to use the MySQL database.
   enable: false
   # 服务器唯一标识, 用来区分权限是哪个服务器的.
+  # Server ID.
   serverId: default
   hostname: localhost
   port: 3306
@@ -18,4 +25,5 @@ mysql:
   username: user
   password: '123456'
   # 数据库表前缀
+  # Database table prefix.
   tablePrefix: pt_
diff --git a/pom.xml b/pom.xml
index c28d910..0791668 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>gg.frog.mc</groupId>
     <artifactId>permissionstime</artifactId>
-    <version>0.2.2-SNAPSHOT</version>
+    <version>0.2.3-SNAPSHOT</version>
     <packaging>jar</packaging>
     <name>PermissionsTime</name>
     <description>支持跨服的权限限时插件</description>
diff --git a/src/main/gg/frog/mc/permissionstime/PluginMain.java b/src/main/gg/frog/mc/permissionstime/PluginMain.java
index 3c6f3b1..2df511f 100644
--- a/src/main/gg/frog/mc/permissionstime/PluginMain.java
+++ b/src/main/gg/frog/mc/permissionstime/PluginMain.java
@@ -26,7 +26,7 @@ public class PluginMain extends JavaPlugin {
     public String PLUGIN_VERSION;
     public String PLUGIN_NAME_LOWER_CASE;
     public static final String DEPEND_PLUGIN = "SQLibrary,Vault";
-    public static Logger LOG = Logger.getLogger("Minecraft");
+    public static final Logger LOG = Logger.getLogger("Minecraft");
 
     private ConfigManager cm = null;
     private PluginMain pm = null;
diff --git a/src/main/gg/frog/mc/permissionstime/command/MainCommand.java b/src/main/gg/frog/mc/permissionstime/command/MainCommand.java
index ac80fb8..9672620 100644
--- a/src/main/gg/frog/mc/permissionstime/command/MainCommand.java
+++ b/src/main/gg/frog/mc/permissionstime/command/MainCommand.java
@@ -145,7 +145,6 @@ public class MainCommand implements CommandExecutor, TabCompleter {
         if (!isPlayer || sender.isOp() || sender.hasPermission(pm.PLUGIN_NAME_LOWER_CASE + ".reload")) {
             sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_RELOAD, pm.PLUGIN_NAME_LOWER_CASE));
         }
-        sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX));
     }
 
     private boolean hasPermission(CommandSender sender, boolean isPlayer, String permissionPath) {
diff --git a/src/main/gg/frog/mc/permissionstime/config/ConfigManager.java b/src/main/gg/frog/mc/permissionstime/config/ConfigManager.java
index e66047f..940114e 100644
--- a/src/main/gg/frog/mc/permissionstime/config/ConfigManager.java
+++ b/src/main/gg/frog/mc/permissionstime/config/ConfigManager.java
@@ -74,8 +74,11 @@ public class ConfigManager {
 
             @Override
             public boolean isProcess(String fileName) {
-                if (fileName.matches("lang/.+\\.yml")) {
-                    return true;
+                if (fileName.matches("lang/.+\\.yml") || "config.yml".equals(fileName) || "packages.yml".equals(fileName)) {
+                    File f = new File(pm.getDataFolder(), fileName);
+                    if (!f.exists()) {
+                        return true;
+                    }
                 }
                 return false;
             }
diff --git a/src/main/gg/frog/mc/permissionstime/config/LangCfg.java b/src/main/gg/frog/mc/permissionstime/config/LangCfg.java
index fbe1489..4b88b48 100644
--- a/src/main/gg/frog/mc/permissionstime/config/LangCfg.java
+++ b/src/main/gg/frog/mc/permissionstime/config/LangCfg.java
@@ -104,14 +104,14 @@ public class LangCfg extends PluginConfig {
         MSG_UNKNOWN_PACKAGE = getConfig().getString("msg.unknownPackage", "Unknown Packages");
         MSG_IS_EXPIRATION_DATE = getConfig().getString("msg.isExpirationDate", "Your package: {0}({1})&r has expired.");
 
-        CMD_HELP = getConfig().getString("cmd.help", "/{0} help -Show commands.");
-        CMD_ME = getConfig().getString("cmd.me", "&6/{0} me \\n&8  - View self package.");
-        CMD_PACKAGES = getConfig().getString("cmd.packages", "&6/{0} packages [packageName] \\n&8  - View packages.");
-        CMD_GET = getConfig().getString("cmd.get", "&6/{0} get <playerName> \\n&8  - View player packages.");
-        CMD_GIVE = getConfig().getString("cmd.give", "&6/{0} give <playerName> <packageName> <time> <timeUnit:d/h/m> \\n&8  - Give player package some time.(Time accumulation.) \\n&8    timeUnit: d=day, h=hour, m=minute");
-        CMD_SET = getConfig().getString("cmd.set", "&6/{0} set <playerName> <packageName> <time> <timeUnit:d/h/m> \\n&8  - Set player package some time. \\n&8    timeUnit: d=day, h=hour, m=minute");
-        CMD_REMOVE = getConfig().getString("cmd.remove", "&6/{0} remove <playerName> <packageName> [t/f] \\n&8  - Remove player package.(t: Delete global package.)");
-        CMD_REMOVEALL = getConfig().getString("cmd.removeall", "&6/{0} removeall <playerName> [t/f] \\n&8  - Remove player all package.(t: Delete global packages.)");
-        CMD_RELOAD = getConfig().getString("cmd.reload", "&6/{0} reload \\n&8  - Reloads the config file.");
+        CMD_HELP = getConfig().getString("cmd.help", "/{0} help \\n&7  - Show commands.");
+        CMD_ME = getConfig().getString("cmd.me", "&6/{0} me \\n&7  - View self package.");
+        CMD_PACKAGES = getConfig().getString("cmd.packages", "&6/{0} packages [packageName] \\n&7  - View packages.");
+        CMD_GET = getConfig().getString("cmd.get", "&6/{0} get <playerName> \\n&7  - View player packages.");
+        CMD_GIVE = getConfig().getString("cmd.give", "&6/{0} give <playerName> <packageName> <time> <timeUnit:d/h/m> \\n&7  - Give player package some time. (Time accumulation.) \\n&7    timeUnit: d=day, h=hour, m=minute");
+        CMD_SET = getConfig().getString("cmd.set", "&6/{0} set <playerName> <packageName> <time> <timeUnit:d/h/m> \\n&7  - Set player package some time. \\n&7    timeUnit: d=day, h=hour, m=minute");
+        CMD_REMOVE = getConfig().getString("cmd.remove", "&6/{0} remove <playerName> <packageName> [t/f] \\n&7  - Remove player package. (t: Delete global package.)");
+        CMD_REMOVEALL = getConfig().getString("cmd.removeall", "&6/{0} removeall <playerName> [t/f] \\n&7  - Remove player all package. (t: Delete global packages.)");
+        CMD_RELOAD = getConfig().getString("cmd.reload", "&6/{0} reload \\n&7  - Reloads the config file.");
     }
 }
diff --git a/src/main/gg/frog/mc/permissionstime/config/PluginCfg.java b/src/main/gg/frog/mc/permissionstime/config/PluginCfg.java
index 42b31b7..7935a86 100644
--- a/src/main/gg/frog/mc/permissionstime/config/PluginCfg.java
+++ b/src/main/gg/frog/mc/permissionstime/config/PluginCfg.java
@@ -29,19 +29,7 @@ public class PluginCfg extends PluginConfig {
     }
 
     @Override
-    protected void init() {
-        getConfig().set("lang", "en");
-        getConfig().set("metrics", true);
-        getConfig().set("debug", false);
-        getConfig().set("mysql.enable", false);
-        getConfig().set("mysql.serverId", "default");
-        getConfig().set("mysql.hostname", "localhost");
-        getConfig().set("mysql.port", 3306);
-        getConfig().set("mysql.database", "minecraft");
-        getConfig().set("mysql.username", "user");
-        getConfig().set("mysql.password", "123456");
-        getConfig().set("mysql.tablePrefix", "pt_");
-    }
+    protected void init() {}
 
     @Override
     protected void loadToDo() {
diff --git a/src/main/gg/frog/mc/permissionstime/database/IPlayerDataDao.java b/src/main/gg/frog/mc/permissionstime/database/IPlayerDataDao.java
index 2c05cb2..29bd85d 100644
--- a/src/main/gg/frog/mc/permissionstime/database/IPlayerDataDao.java
+++ b/src/main/gg/frog/mc/permissionstime/database/IPlayerDataDao.java
@@ -7,7 +7,7 @@ import gg.frog.mc.permissionstime.model.db.PlayerDataBean;
 
 public interface IPlayerDataDao {
     
-    static long TIME_UNIT = 60 * 1000L;// 分钟
+    long TIME_UNIT = 60 * 1000L;// 分钟
 
     /**
      * 检查表是否
diff --git a/src/main/gg/frog/mc/permissionstime/utils/FileUtil.java b/src/main/gg/frog/mc/permissionstime/utils/FileUtil.java
index 077e757..b99ba99 100644
--- a/src/main/gg/frog/mc/permissionstime/utils/FileUtil.java
+++ b/src/main/gg/frog/mc/permissionstime/utils/FileUtil.java
@@ -12,7 +12,6 @@ public class FileUtil {
 
     public interface FindFilesDo {
         boolean isProcess(String fileName);
-
         void process(String fileName, InputStream is);
     }
 
diff --git a/src/main/gg/frog/mc/permissionstime/utils/StrUtil.java b/src/main/gg/frog/mc/permissionstime/utils/StrUtil.java
index 18c6a6c..f1f0e6e 100644
--- a/src/main/gg/frog/mc/permissionstime/utils/StrUtil.java
+++ b/src/main/gg/frog/mc/permissionstime/utils/StrUtil.java
@@ -10,10 +10,10 @@ import gg.frog.mc.permissionstime.database.IPlayerDataDao;
 
 public class StrUtil {
 
-    private static String dfs = "yyyy/MM/dd HH:mm:ss";
-    private static long dt = 24 * 60 * IPlayerDataDao.TIME_UNIT;
-    private static long ht = 60 * IPlayerDataDao.TIME_UNIT;
-    private static long mt = IPlayerDataDao.TIME_UNIT;
+    private static final String dfs = "yyyy/MM/dd HH:mm:ss";
+    private static final long dt = 24 * 60 * IPlayerDataDao.TIME_UNIT;
+    private static final long ht = 60 * IPlayerDataDao.TIME_UNIT;
+    private static final long mt = IPlayerDataDao.TIME_UNIT;
 
     public static String messageFormat(String src, Object... args) {
         return MessageFormat.format(src, args).replace("&", "§").replace("\\n", "\n");
diff --git a/src/main/gg/frog/mc/permissionstime/utils/UpdateCheck.java b/src/main/gg/frog/mc/permissionstime/utils/UpdateCheck.java
index 7c8a47d..3131d8e 100644
--- a/src/main/gg/frog/mc/permissionstime/utils/UpdateCheck.java
+++ b/src/main/gg/frog/mc/permissionstime/utils/UpdateCheck.java
@@ -12,7 +12,6 @@ import gg.frog.mc.permissionstime.config.PluginCfg;
 
 public class UpdateCheck implements Runnable {
 
-    private static final String pluginInfoUrl = "https://raw.githubusercontent.com/geekfrog/PermissionsTime/master/src/resources/plugin.yml";
     private PluginMain pm;
 
     public UpdateCheck(PluginMain pm) {
@@ -22,6 +21,7 @@ public class UpdateCheck implements Runnable {
     @Override
     public void run() {
         try {
+            String pluginInfoUrl = "https://raw.githubusercontent.com/geekfrog/PermissionsTime/master/src/resources/plugin.yml";
             URL url = new URL(pluginInfoUrl);
             HttpURLConnection connection = (HttpURLConnection) url.openConnection();
             connection.setRequestProperty("User-Agent", "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.4; en-US; rv:1.9.2.2) Gecko/20100316 Firefox/3.6.2");
@@ -29,7 +29,9 @@ public class UpdateCheck implements Runnable {
             YamlConfiguration tempConfig = YamlConfiguration.loadConfiguration(new InputStreamReader(connection.getInputStream(), Charsets.UTF_8));
             String version = tempConfig.getString("version", pm.PLUGIN_VERSION);
             if (!pm.PLUGIN_VERSION.equals(version)) {
-                pm.getServer().getConsoleSender().sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + "There is a new version ''{0}'' of the plugin.", version));
+                pm.getServer().getConsoleSender().sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + "&4There is a new version ''{0}'' of the plugin.", version));
+            } else {
+                pm.getServer().getConsoleSender().sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + "&2No new version available."));
             }
         } catch (Exception e) {
             e.printStackTrace();
diff --git a/src/main/gg/frog/mc/permissionstime/utils/config/PluginConfig.java b/src/main/gg/frog/mc/permissionstime/utils/config/PluginConfig.java
index 54ae939..6a26223 100644
--- a/src/main/gg/frog/mc/permissionstime/utils/config/PluginConfig.java
+++ b/src/main/gg/frog/mc/permissionstime/utils/config/PluginConfig.java
@@ -151,9 +151,9 @@ public abstract class PluginConfig {
             config.setDefaults(YamlConfiguration.loadConfiguration(new InputStreamReader(defConfigStream, Charsets.UTF_8)));
         }
         loadToDo();
-        if (tempConfig != null) {
-            saveConfig();
-        }
+//        if (tempConfig != null) {
+//            saveConfig();
+//        }
     }
 
     protected void saveObj(String path, Map<String, ? extends IConfigBean> o) {
diff --git a/src/resources/config.yml b/src/resources/config.yml
index e77cdc6..14760b0 100644
--- a/src/resources/config.yml
+++ b/src/resources/config.yml
@@ -1 +1,29 @@
+# 插件前缀.
+# Plugin prefix.
 pluginPrefix: '&4[&bPermissions Time&4] '
+# 是否开启DEBUG模式.
+# Whether to open the DEBUG mode.
+debug: false
+# 是否同意插件上传统计信息.
+# Whether or not you agree with the plugin to upload statistics.
+metrics: true
+# 语言文件名称 在'lang'文件夹内.
+# Language file name.
+lang: en
+# 数据库相关.
+# Database settings.
+mysql:
+  # 是否使用MySQL数据库.
+  # Whether to use the MySQL database.
+  enable: false
+  # 服务器唯一标识, 用来区分权限是哪个服务器的.
+  # Server ID.
+  serverId: default
+  hostname: localhost
+  port: 3306
+  database: minecraft
+  username: user
+  password: '123456'
+  # 数据库表前缀
+  # Database table prefix.
+  tablePrefix: pt_
diff --git a/src/resources/lang/en.yml b/src/resources/lang/en.yml
index de2e569..773cbef 100644
--- a/src/resources/lang/en.yml
+++ b/src/resources/lang/en.yml
@@ -35,12 +35,12 @@ msg:
   unknownPackage: 'Unknown Packages'
   isExpirationDate: 'Your package: {0}({1})&r has expired.'
 cmd:
-  help: '&6/{0} help \n&8  - Show commands.'
-  me: '&6/{0} me \n&8  - View self package.'
-  packages: '&6/{0} packages [packageName] \n&8  - View server packages.'
-  get: '&6/{0} get <playerName> \n&8  - View player packages.'
-  give: '&6/{0} give <playerName> <packageName> <time> <timeUnit:d/h/m> \n&8  - Give player package some time.(Time accumulation.) \n&8    timeUnit: d=day, h=hour, m=minute'
-  set: '&6/{0} set <playerName> <packageName> <time> <timeUnit:d/h/m> \n&8  - Set player package some time. \n&8    timeUnit: d=day, h=hour, m=minute'
-  remove: '&6/{0} remove <playerName> <packageName> [t/f] \n&8  - Remove player package.(t: Delete global package.)'
-  removeall: '&6/{0} removeall <playerName> [t/f] \n&8  - Remove player all package.(t: Delete global packages.)'
-  reload: '&6/{0} reload \n&8  - Reloads the config file.'
+  help: '&6/{0} help \n&7  - Show commands.'
+  me: '&6/{0} me \n&7  - View self package.'
+  packages: '&6/{0} packages [packageName] \n&7  - View server packages.'
+  get: '&6/{0} get <playerName> \n&7  - View player packages.'
+  give: '&6/{0} give <playerName> <packageName> <time> <timeUnit:d/h/m> \n&7  - Give player package some time. (Time accumulation.) \n&7    timeUnit: d=day, h=hour, m=minute'
+  set: '&6/{0} set <playerName> <packageName> <time> <timeUnit:d/h/m> \n&7  - Set player package some time. \n&7    timeUnit: d=day, h=hour, m=minute'
+  remove: '&6/{0} remove <playerName> <packageName> [t/f] \n&7  - Remove player package. (t: Delete global package.)'
+  removeall: '&6/{0} removeall <playerName> [t/f] \n&7  - Remove player all package. (t: Delete global packages.)'
+  reload: '&6/{0} reload \n&7  - Reloads the config file.'
diff --git a/src/resources/lang/zh-cn.yml b/src/resources/lang/zh-cn.yml
index 14fe5f5..83335bc 100644
--- a/src/resources/lang/zh-cn.yml
+++ b/src/resources/lang/zh-cn.yml
@@ -35,12 +35,12 @@ msg:
   unknownPackage: '未知权限包'
   isExpirationDate: '你的权限包: {0}({1})&r, 已到期.'
 cmd:
-  help: '&6/{0} help \n&8  - 显示所有命令.'
-  me: '&6/{0} me \n&8  - 显示自己的权限包.'
-  packages: '&6/{0} packages [权限包名] \n&8  - 查看服务器的(某个)权限包.'
-  get: '&6/{0} get <玩家> \n&8  - 查看玩家的权限包.'
-  give: '&6/{0} give <玩家> <权限包名> <时间> <单位:d或h或m> \n&8  - 给玩家一定时间的权限包.(时间累加.) \n&8    时间单位: d=天, h=小时, m=分钟'
-  set: '&6/{0} set <玩家> <权限包名> <时间> <单位:d或h或m> \n&8  - 重置玩家的权限包为一定时间. \n&8    时间单位: d=天, h=小时, m=分钟'
-  remove: '&6/{0} remove <玩家> <权限包名> [t/f] \n&8  - 删除玩家的某个权限包.(t: 删除跨服权限包.)'
-  removeall: '&6/{0} removeall <玩家> [t/f] \n&8  - 删除玩家所有的权限包.(t: 删除跨服权限包.)'
-  reload: '&6/{0} reload \n&8  - 重新加载插件配置.'
+  help: '&6/{0} help \n&7  - 显示所有命令.'
+  me: '&6/{0} me \n&7  - 显示自己的权限包.'
+  packages: '&6/{0} packages [权限包名] \n&7  - 查看服务器的(某个)权限包.'
+  get: '&6/{0} get <玩家> \n&7  - 查看玩家的权限包.'
+  give: '&6/{0} give <玩家> <权限包名> <时间> <单位:d或h或m> \n&7  - 给玩家一定时间的权限包. (时间累加.) \n&7    时间单位: d=天, h=小时, m=分钟'
+  set: '&6/{0} set <玩家> <权限包名> <时间> <单位:d或h或m> \n&7  - 重置玩家的权限包为一定时间. \n&7    时间单位: d=天, h=小时, m=分钟'
+  remove: '&6/{0} remove <玩家> <权限包名> [t/f] \n&7  - 删除玩家的某个权限包. (t: 删除跨服权限包.)'
+  removeall: '&6/{0} removeall <玩家> [t/f] \n&7  - 删除玩家所有的权限包. (t: 删除跨服权限包.)'
+  reload: '&6/{0} reload \n&7  - 重新加载插件配置.'
diff --git a/src/resources/plugin.yml b/src/resources/plugin.yml
index 1238f96..049333b 100644
--- a/src/resources/plugin.yml
+++ b/src/resources/plugin.yml
@@ -1,5 +1,5 @@
 name: PermissionsTime
-version: 0.2.2-SNAPSHOT
+version: 0.2.3-SNAPSHOT
 main: gg.frog.mc.permissionstime.PluginMain
 author: GeekFrog
 softdepend: