diff --git a/pom.xml b/pom.xml
index 82c69c3..73a8cb8 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>0.1.3-SNAPSHOT</version>
+    <version>0.2.0-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 69e3123..3c6f3b1 100644
--- a/src/main/gg/frog/mc/permissionstime/PluginMain.java
+++ b/src/main/gg/frog/mc/permissionstime/PluginMain.java
@@ -9,7 +9,6 @@ import org.bukkit.Bukkit;
 import org.bukkit.OfflinePlayer;
 import org.bukkit.plugin.RegisteredServiceProvider;
 import org.bukkit.plugin.java.JavaPlugin;
-import org.mcstats.Metrics;
 
 import gg.frog.mc.permissionstime.command.MainCommand;
 import gg.frog.mc.permissionstime.config.ConfigManager;
@@ -52,14 +51,6 @@ public class PluginMain extends JavaPlugin {
         getServer().getConsoleSender().sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + "    https://github.com/geekfrog/PermissionsTime/ "));
         getServer().getConsoleSender().sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX));
         getServer().getConsoleSender().sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + "==============================="));
-        if (PluginCfg.IS_METRICS) {
-            try {
-                Metrics metrics = new Metrics(pm);
-                metrics.start();
-            } catch (Exception e) {
-                e.printStackTrace();
-            }
-        }
         getServer().getScheduler().runTask(pm, new UpdateCheck(pm));
         getServer().getScheduler().runTask(pm, new Runnable() {
             public void run() {
@@ -71,6 +62,14 @@ public class PluginMain extends JavaPlugin {
                     registerCommands();
                     getServer().getConsoleSender().sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + "&2Startup successful!"));
                 }
+                if (PluginCfg.IS_METRICS) {
+                    try {
+                        org.mcstats.Metrics mcstats = new org.mcstats.Metrics(pm);
+                        mcstats.start();
+                    } catch (Exception e) {
+                        e.printStackTrace();
+                    }
+                }
             }
         });
     }
diff --git a/src/main/gg/frog/mc/permissionstime/command/GetCmd.java b/src/main/gg/frog/mc/permissionstime/command/GetCmd.java
index 6846692..d7e77e9 100644
--- a/src/main/gg/frog/mc/permissionstime/command/GetCmd.java
+++ b/src/main/gg/frog/mc/permissionstime/command/GetCmd.java
@@ -33,24 +33,28 @@ public class GetCmd implements Runnable {
         if (args.length == 2) {
             sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_PROCESSING));
             OfflinePlayer p = pm.getOfflinePlayer(args[1]);
-            List<PlayerDataBean> ps = sm.getTime(p.getUniqueId().toString());
-            if (ps.size() > 0) {
-                sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_NUM_OF_PACKAGES, args[1], ps.size()));
-                for (PlayerDataBean pdb : ps) {
-                    String expireString = StrUtil.timestampToString(pdb.getExpire());
-                    PermissionPackageBean pc = PackagesCfg.PACKAGES.get(pdb.getPackageName());
-                    if (pc != null) {
-                        sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_EXPIRATION_DATE, pdb.getGlobal() ? "*" : "", pc.getDisplayName(), pdb.getPackageName(), expireString));
-                    } else {
-                        sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_EXPIRATION_DATE, pdb.getGlobal() ? "*" : "", LangCfg.MSG_UNKNOWN_PACKAGE, pdb.getPackageName(), expireString));
+            if (p != null) {
+                List<PlayerDataBean> ps = sm.getTime(p.getUniqueId().toString());
+                if (ps.size() > 0) {
+                    sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_NUM_OF_PACKAGES, args[1], ps.size()));
+                    for (PlayerDataBean pdb : ps) {
+                        String expireString = StrUtil.timestampToString(pdb.getExpire());
+                        PermissionPackageBean pc = PackagesCfg.PACKAGES.get(pdb.getPackageName());
+                        if (pc != null) {
+                            sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_EXPIRATION_DATE, pdb.getGlobal() ? "*" : "", pc.getDisplayName(), pdb.getPackageName(), expireString));
+                        } else {
+                            sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_EXPIRATION_DATE, pdb.getGlobal() ? "*" : "", LangCfg.MSG_UNKNOWN_PACKAGE, pdb.getPackageName(), expireString));
+                        }
                     }
+                } else {
+                    sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_NO_DATA));
                 }
             } else {
-                sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_NO_DATA));
+                sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_NO_FIND_PLAYER, args[1]));
             }
         } else {
             sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_PARAMETER_MISMATCH));
-            sender.sendMessage(StrUtil.messageFormat("&6/" + pm.PLUGIN_NAME_LOWER_CASE + " get <playerName> \n&8  - View player packages."));
+            sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_GET, pm.PLUGIN_NAME_LOWER_CASE));
         }
     }
 }
diff --git a/src/main/gg/frog/mc/permissionstime/command/GiveCmd.java b/src/main/gg/frog/mc/permissionstime/command/GiveCmd.java
index 64ba229..c61a5d1 100644
--- a/src/main/gg/frog/mc/permissionstime/command/GiveCmd.java
+++ b/src/main/gg/frog/mc/permissionstime/command/GiveCmd.java
@@ -32,15 +32,34 @@ public class GiveCmd implements Runnable {
 
     @Override
     public void run() {
-        if (args.length == 4) {
+        if (args.length == 5) {
             String playerName = args[1];
             String packageName = args[2];
             String time = args[3];
-            int days = 0;
+            String unit = args[4];
+            final String unitName;
+            int minutes = 0;
             try {
-                days = Integer.parseInt(time);
+                minutes = Integer.parseInt(time);
+                if (minutes == 0) {
+                    throw new RuntimeException("not a nonzero integer.");
+                }
             } catch (Exception e) {
-                sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_DAYS_PARAMETER_INCORRECT));
+                sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_TIME_PARAMETER_INCORRECT));
+                sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_GIVE, pm.PLUGIN_NAME_LOWER_CASE));
+                return;
+            }
+            if ("d".equalsIgnoreCase(unit)) {
+                minutes *= 24 * 60;
+                unitName = LangCfg.TIME_UNIT_D;
+            } else if ("h".equalsIgnoreCase(unit)) {
+                minutes *= 60;
+                unitName = LangCfg.TIME_UNIT_H;
+            } else if ("m".equalsIgnoreCase(unit)) {
+                unitName = LangCfg.TIME_UNIT_M;
+            } else {
+                sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_TIME_UNIT_PARAMETER_INCORRECT));
+                sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_GIVE, pm.PLUGIN_NAME_LOWER_CASE));
                 return;
             }
             PermissionPackageBean pack = PackagesCfg.PACKAGES.get(packageName);
@@ -50,9 +69,9 @@ public class GiveCmd implements Runnable {
                     sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_PROCESSING));
                     UUID uuid = player.getUniqueId();
                     if (PluginCfg.IS_DEBUG) {
-                        sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + uuid.toString() + "\n" + pack.toString() + "\n" + time + " days."));
+                        sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + uuid.toString() + "\n" + pack.toString() + "\n" + time + unitName + "."));
                     }
-                    if (sm.giveTime(((PluginCfg.USE_MYSQL && pack.getGlobal()) ? "g:" : "") + uuid.toString(), packageName, days)) {
+                    if (sm.giveTime(((PluginCfg.USE_MYSQL && pack.getGlobal()) ? "g:" : "") + uuid.toString(), packageName, minutes)) {
                         if (player.isOnline()) {
                             Player p = player.getPlayer();
                             try {
@@ -62,17 +81,17 @@ public class GiveCmd implements Runnable {
                                 e.printStackTrace();
                                 p.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_FAIL_SET_PERMISSION));
                             }
-                            p.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_TELL_GIVE_PACKAGE, sender.getName(), time, pack.getDisplayName()));
+                            p.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_TELL_GIVE_PACKAGE, sender.getName(), time + unitName, pack.getDisplayName()));
                         }
-                        sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_GIVE_PACKAGE, playerName, time, pack.getDisplayName()));
+                        sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_GIVE_PACKAGE, playerName, time + unitName, pack.getDisplayName()));
                     } else {
                         pm.getServer().getScheduler().runTask(pm, new Runnable() {
                             @Override
                             public void run() {
-                                pm.writeFailLog("Command execution failed. Give {0}({1}) {2}days {3} Executor: {4}", playerName, player.getUniqueId().toString(), time, pack.getDisplayName(), sender.getName());
+                                pm.writeFailLog("Command execution failed. Give {0}({1}) {2} {3} Executor: {4}", playerName, player.getUniqueId().toString(), time + unitName, pack.getDisplayName(), sender.getName());
                             }
                         });
-                        sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_GIVE_PACKAGE_FAIL, playerName, time, pack.getDisplayName()));
+                        sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_GIVE_PACKAGE_FAIL, playerName, time + unitName, pack.getDisplayName()));
                     }
                 } else {
                     sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_NO_FIND_PLAYER, playerName));
@@ -82,7 +101,7 @@ public class GiveCmd implements Runnable {
             }
         } else {
             sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_PARAMETER_MISMATCH));
-            sender.sendMessage(StrUtil.messageFormat("&6/" + pm.PLUGIN_NAME_LOWER_CASE + " give <playerName> <packageName> <time> \n&8  - Give player package <time>day."));
+            sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_GIVE, pm.PLUGIN_NAME_LOWER_CASE));
         }
     }
 }
diff --git a/src/main/gg/frog/mc/permissionstime/command/MainCommand.java b/src/main/gg/frog/mc/permissionstime/command/MainCommand.java
index 446beb7..ac80fb8 100644
--- a/src/main/gg/frog/mc/permissionstime/command/MainCommand.java
+++ b/src/main/gg/frog/mc/permissionstime/command/MainCommand.java
@@ -111,7 +111,7 @@ public class MainCommand implements CommandExecutor, TabCompleter {
                         new Thread(packagesCmd).start();
                     }
                 } else {
-                    sender.sendMessage(StrUtil.messageFormat("/" + pm.PLUGIN_NAME_LOWER_CASE + " help -Show commands."));
+                    sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_HELP, pm.PLUGIN_NAME_LOWER_CASE));
                 }
                 return true;
             }
@@ -122,28 +122,28 @@ public class MainCommand implements CommandExecutor, TabCompleter {
     private void getHelp(CommandSender sender, boolean isPlayer) {
         sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + "\n&a===== " + pm.PLUGIN_NAME + " Version:" + pm.PLUGIN_VERSION + (pm.getDescription().getCommands().containsKey("pt") ? " Aliases:/pt" : "") + " ====="));
         if (isPlayer && (sender.isOp() || sender.hasPermission(pm.PLUGIN_NAME_LOWER_CASE + ".me"))) {
-            sender.sendMessage(StrUtil.messageFormat("&6/" + pm.PLUGIN_NAME_LOWER_CASE + " me \n&8  - View self package."));
+            sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_ME, pm.PLUGIN_NAME_LOWER_CASE));
         }
         if (!isPlayer || sender.isOp() || sender.hasPermission(pm.PLUGIN_NAME_LOWER_CASE + ".packages")) {
-            sender.sendMessage(StrUtil.messageFormat("&6/" + pm.PLUGIN_NAME_LOWER_CASE + " packages [packageName] \n&8  - View packages."));
-        }
-        if (!isPlayer || sender.isOp() || sender.hasPermission(pm.PLUGIN_NAME_LOWER_CASE + ".give")) {
-            sender.sendMessage(StrUtil.messageFormat("&6/" + pm.PLUGIN_NAME_LOWER_CASE + " give <playerName> <packageName> <time> \n&8  - Give player package <time>day."));
-        }
-        if (!isPlayer || sender.isOp() || sender.hasPermission(pm.PLUGIN_NAME_LOWER_CASE + ".set")) {
-            sender.sendMessage(StrUtil.messageFormat("&6/" + pm.PLUGIN_NAME_LOWER_CASE + " set <playerName> <packageName> <time> \n&8  - Set player package <time>day."));
+            sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_PACKAGES, pm.PLUGIN_NAME_LOWER_CASE));
         }
         if (!isPlayer || sender.isOp() || sender.hasPermission(pm.PLUGIN_NAME_LOWER_CASE + ".get")) {
-            sender.sendMessage(StrUtil.messageFormat("&6/" + pm.PLUGIN_NAME_LOWER_CASE + " get <playerName> \n&8  - View player packages."));
+            sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_GET, pm.PLUGIN_NAME_LOWER_CASE));
+        }
+        if (!isPlayer || sender.isOp() || sender.hasPermission(pm.PLUGIN_NAME_LOWER_CASE + ".give")) {
+            sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_GIVE, pm.PLUGIN_NAME_LOWER_CASE));
+        }
+        if (!isPlayer || sender.isOp() || sender.hasPermission(pm.PLUGIN_NAME_LOWER_CASE + ".set")) {
+            sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_SET, pm.PLUGIN_NAME_LOWER_CASE));
         }
         if (!isPlayer || sender.isOp() || sender.hasPermission(pm.PLUGIN_NAME_LOWER_CASE + ".remove")) {
-            sender.sendMessage(StrUtil.messageFormat("&6/" + pm.PLUGIN_NAME_LOWER_CASE + " remove <playerName> <packageName> [t/f delGlobal] \n&8  - Remove player package."));
+            sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_REMOVE, pm.PLUGIN_NAME_LOWER_CASE));
         }
         if (!isPlayer || sender.isOp() || sender.hasPermission(pm.PLUGIN_NAME_LOWER_CASE + ".removeall")) {
-            sender.sendMessage(StrUtil.messageFormat("&6/" + pm.PLUGIN_NAME_LOWER_CASE + " removeall <playerName> [t/f delGlobal] \n&8  - Remove player all package."));
+            sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_REMOVEALL, pm.PLUGIN_NAME_LOWER_CASE));
         }
         if (!isPlayer || sender.isOp() || sender.hasPermission(pm.PLUGIN_NAME_LOWER_CASE + ".reload")) {
-            sender.sendMessage(StrUtil.messageFormat("&6/" + pm.PLUGIN_NAME_LOWER_CASE + " reload \n&8  -Reloads the config file."));
+            sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_RELOAD, pm.PLUGIN_NAME_LOWER_CASE));
         }
         sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX));
     }
@@ -178,10 +178,10 @@ public class MainCommand implements CommandExecutor, TabCompleter {
             if ("give".startsWith(args[0]) && (!isPlayer || sender.isOp() || sender.hasPermission(pm.PLUGIN_NAME_LOWER_CASE + ".give"))) {
                 tipList.add("give");
             }
-            if ("set".startsWith(args[0]) && (!isPlayer || sender.isOp() || sender.hasPermission(pm.PLUGIN_NAME_LOWER_CASE + "set"))) {
+            if ("set".startsWith(args[0]) && (!isPlayer || sender.isOp() || sender.hasPermission(pm.PLUGIN_NAME_LOWER_CASE + ".set"))) {
                 tipList.add("set");
             }
-            if ("get".startsWith(args[0]) && (!isPlayer || sender.isOp() || sender.hasPermission(pm.PLUGIN_NAME_LOWER_CASE + "get"))) {
+            if ("get".startsWith(args[0]) && (!isPlayer || sender.isOp() || sender.hasPermission(pm.PLUGIN_NAME_LOWER_CASE + ".get"))) {
                 tipList.add("get");
             }
             if ("remove".startsWith(args[0]) && (!isPlayer || sender.isOp() || sender.hasPermission(pm.PLUGIN_NAME_LOWER_CASE + ".remove"))) {
@@ -196,19 +196,19 @@ public class MainCommand implements CommandExecutor, TabCompleter {
         } else if (args.length == 2) {
             args[0] = args[0].toLowerCase(Locale.ENGLISH);
             args[1] = args[1].toLowerCase(Locale.ENGLISH);
-            if ("packages".equals(args[0]) && (!isPlayer || sender.isOp() || sender.hasPermission(pm.PLUGIN_NAME_LOWER_CASE + ".me"))) {
+            if ("packages".equalsIgnoreCase(args[0]) && (!isPlayer || sender.isOp() || sender.hasPermission(pm.PLUGIN_NAME_LOWER_CASE + ".me"))) {
                 for (String name : PackagesCfg.PACKAGES.keySet()) {
                     if (name.startsWith(args[1])) {
                         tipList.add(name);
                     }
                 }
-            } else if ("give".equals(args[0]) || "set".equals(args[0]) || "get".equals(args[0]) || "remove".equals(args[0]) || "removeall".equals(args[0])) {
+            } else if ("give".equalsIgnoreCase(args[0]) || "set".equalsIgnoreCase(args[0]) || "get".equalsIgnoreCase(args[0]) || "remove".equalsIgnoreCase(args[0]) || "removeall".equalsIgnoreCase(args[0])) {
                 return null;
             }
         } else if (args.length == 3) {
             args[0] = args[0].toLowerCase(Locale.ENGLISH);
             args[2] = args[2].toLowerCase(Locale.ENGLISH);
-            if ("give".equals(args[0]) || "set".equals(args[0]) || "remove".equals(args[0])) {
+            if ("give".equalsIgnoreCase(args[0]) || "set".equalsIgnoreCase(args[0]) || "remove".equalsIgnoreCase(args[0])) {
                 for (String name : PackagesCfg.PACKAGES.keySet()) {
                     if (name.startsWith(args[2])) {
                         tipList.add(name);
diff --git a/src/main/gg/frog/mc/permissionstime/command/MeCmd.java b/src/main/gg/frog/mc/permissionstime/command/MeCmd.java
index 7693415..0460943 100644
--- a/src/main/gg/frog/mc/permissionstime/command/MeCmd.java
+++ b/src/main/gg/frog/mc/permissionstime/command/MeCmd.java
@@ -43,7 +43,7 @@ public class MeCmd implements Runnable {
                 }
             } else {
                 sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_PARAMETER_MISMATCH));
-                sender.sendMessage(StrUtil.messageFormat("&6/" + pm.PLUGIN_NAME_LOWER_CASE + " me \n&8  - View self package."));
+                sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_ME, pm.PLUGIN_NAME_LOWER_CASE));
             }
         } else {
             sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + "&4Only player can use this command."));
diff --git a/src/main/gg/frog/mc/permissionstime/command/PackagesCmd.java b/src/main/gg/frog/mc/permissionstime/command/PackagesCmd.java
index beae244..3a60779 100644
--- a/src/main/gg/frog/mc/permissionstime/command/PackagesCmd.java
+++ b/src/main/gg/frog/mc/permissionstime/command/PackagesCmd.java
@@ -39,9 +39,9 @@ public class PackagesCmd implements Runnable {
             } else {
                 sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_NO_FIND_PACKAGE, packageName));
             }
-        }else {
+        } else {
             sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_PARAMETER_MISMATCH));
-            sender.sendMessage(StrUtil.messageFormat("&6/" + pm.PLUGIN_NAME_LOWER_CASE + " packages [packageName] \n&8  - View packages."));
+            sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_PACKAGES, pm.PLUGIN_NAME_LOWER_CASE));
         }
     }
 }
diff --git a/src/main/gg/frog/mc/permissionstime/command/RemoveAllCmd.java b/src/main/gg/frog/mc/permissionstime/command/RemoveAllCmd.java
index 232735a..62da176 100644
--- a/src/main/gg/frog/mc/permissionstime/command/RemoveAllCmd.java
+++ b/src/main/gg/frog/mc/permissionstime/command/RemoveAllCmd.java
@@ -71,7 +71,7 @@ public class RemoveAllCmd implements Runnable {
             }
         } else {
             sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_PARAMETER_MISMATCH));
-            sender.sendMessage(StrUtil.messageFormat("&6/" + pm.PLUGIN_NAME_LOWER_CASE + " removeall <playerName> [t/f delGlobal] \n&8  - Remove player all package."));
+            sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_REMOVEALL, pm.PLUGIN_NAME_LOWER_CASE));
         }
     }
 }
diff --git a/src/main/gg/frog/mc/permissionstime/command/RemoveCmd.java b/src/main/gg/frog/mc/permissionstime/command/RemoveCmd.java
index eb13720..2a8f8bd 100644
--- a/src/main/gg/frog/mc/permissionstime/command/RemoveCmd.java
+++ b/src/main/gg/frog/mc/permissionstime/command/RemoveCmd.java
@@ -78,7 +78,7 @@ public class RemoveCmd implements Runnable {
             }
         } else {
             sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_PARAMETER_MISMATCH));
-            sender.sendMessage(StrUtil.messageFormat("&6/" + pm.PLUGIN_NAME_LOWER_CASE + " remove <playerName> <packageName> [t/f delGlobal] \n&8  - Remove player package."));
+            sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_REMOVE, pm.PLUGIN_NAME_LOWER_CASE));
         }
     }
 }
diff --git a/src/main/gg/frog/mc/permissionstime/command/SetCmd.java b/src/main/gg/frog/mc/permissionstime/command/SetCmd.java
index e2f9e77..5463fa5 100644
--- a/src/main/gg/frog/mc/permissionstime/command/SetCmd.java
+++ b/src/main/gg/frog/mc/permissionstime/command/SetCmd.java
@@ -32,15 +32,34 @@ public class SetCmd implements Runnable {
 
     @Override
     public void run() {
-        if (args.length == 4) {
+        if (args.length == 5) {
             String playerName = args[1];
             String packageName = args[2];
             String time = args[3];
-            int days = 0;
+            String unit = args[4];
+            final String unitName;
+            int minutes = 0;
             try {
-                days = Integer.parseInt(time);
+                minutes = Integer.parseInt(time);
+                if (minutes == 0) {
+                    throw new RuntimeException("not a nonzero integer.");
+                }
             } catch (Exception e) {
-                sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_DAYS_PARAMETER_INCORRECT));
+                sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_TIME_PARAMETER_INCORRECT));
+                sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_SET, pm.PLUGIN_NAME_LOWER_CASE));
+                return;
+            }
+            if ("d".equalsIgnoreCase(unit)) {
+                minutes *= 24 * 60;
+                unitName = LangCfg.TIME_UNIT_D;
+            } else if ("h".equalsIgnoreCase(unit)) {
+                minutes *= 60;
+                unitName = LangCfg.TIME_UNIT_H;
+            } else if ("m".equalsIgnoreCase(unit)) {
+                unitName = LangCfg.TIME_UNIT_M;
+            } else {
+                sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_TIME_UNIT_PARAMETER_INCORRECT));
+                sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_SET, pm.PLUGIN_NAME_LOWER_CASE));
                 return;
             }
             PermissionPackageBean pack = PackagesCfg.PACKAGES.get(packageName);
@@ -50,9 +69,9 @@ public class SetCmd implements Runnable {
                     sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_PROCESSING));
                     UUID uuid = player.getUniqueId();
                     if (PluginCfg.IS_DEBUG) {
-                        sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + uuid.toString() + "\n" + pack.toString() + "\n" + time + " days."));
+                        sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + uuid.toString() + "\n" + pack.toString() + "\n" + time + unitName + " ."));
                     }
-                    if (sm.setTime(((PluginCfg.USE_MYSQL && pack.getGlobal()) ? "g:" : "") + uuid.toString(), packageName, days)) {
+                    if (sm.setTime(((PluginCfg.USE_MYSQL && pack.getGlobal()) ? "g:" : "") + uuid.toString(), packageName, minutes)) {
                         if (player.isOnline()) {
                             Player p = player.getPlayer();
                             try {
@@ -62,17 +81,17 @@ public class SetCmd implements Runnable {
                                 e.printStackTrace();
                                 p.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_FAIL_SET_PERMISSION));
                             }
-                            p.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_TELL_SET_PACKAGE, sender.getName(), time, pack.getDisplayName()));
+                            p.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_TELL_SET_PACKAGE, sender.getName(), time + unitName, pack.getDisplayName()));
                         }
-                        sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_SET_PACKAGE, playerName, time, pack.getDisplayName()));
+                        sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_SET_PACKAGE, playerName, time + unitName, pack.getDisplayName()));
                     } else {
                         pm.getServer().getScheduler().runTask(pm, new Runnable() {
                             @Override
                             public void run() {
-                                pm.writeFailLog("Command execution failed. Set {0}({1}) {2}days {3} Executor: {4}", playerName, player.getUniqueId().toString(), time, pack.getDisplayName(), sender.getName());
+                                pm.writeFailLog("Command execution failed. Set {0}({1}) {2} {3} Executor: {4}", playerName, player.getUniqueId().toString(), time + unitName, pack.getDisplayName(), sender.getName());
                             }
                         });
-                        sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_SET_PACKAGE_FAIL, playerName, time, pack.getDisplayName()));
+                        sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_SET_PACKAGE_FAIL, playerName, time + unitName, pack.getDisplayName()));
                     }
                 } else {
                     sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_NO_FIND_PLAYER, playerName));
@@ -82,7 +101,7 @@ public class SetCmd implements Runnable {
             }
         } else {
             sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_PARAMETER_MISMATCH));
-            sender.sendMessage(StrUtil.messageFormat("&6/" + pm.PLUGIN_NAME_LOWER_CASE + " set <playerName> <packageName> <time> \n&8  - Set player package <time>day."));
+            sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_SET, pm.PLUGIN_NAME_LOWER_CASE));
         }
     }
 }
diff --git a/src/main/gg/frog/mc/permissionstime/config/LangCfg.java b/src/main/gg/frog/mc/permissionstime/config/LangCfg.java
index ba9778c..aa61efa 100644
--- a/src/main/gg/frog/mc/permissionstime/config/LangCfg.java
+++ b/src/main/gg/frog/mc/permissionstime/config/LangCfg.java
@@ -13,8 +13,13 @@ public class LangCfg extends PluginConfig {
 
     public static String INVENTORY_NAME = null;
     public static String EXPIRATION_DATE = null;
+    public static String TIME_UNIT_D = null;
+    public static String TIME_UNIT_H = null;
+    public static String TIME_UNIT_M = null;
+
     public static String MSG_PARAMETER_MISMATCH = null;
-    public static String MSG_DAYS_PARAMETER_INCORRECT = null;
+    public static String MSG_TIME_PARAMETER_INCORRECT = null;
+    public static String MSG_TIME_UNIT_PARAMETER_INCORRECT = null;
     public static String MSG_PROCESSING = null;
     public static String MSG_NO_DATA = null;
     public static String MSG_PACKAGE_NUM = null;
@@ -42,6 +47,16 @@ public class LangCfg extends PluginConfig {
     public static String MSG_UNKNOWN_PACKAGE = null;
     public static String MSG_IS_EXPIRATION_DATE = null;
 
+    public static String CMD_HELP = null;
+    public static String CMD_ME = null;
+    public static String CMD_PACKAGES = null;
+    public static String CMD_GET = null;
+    public static String CMD_GIVE = null;
+    public static String CMD_SET = null;
+    public static String CMD_REMOVE = null;
+    public static String CMD_REMOVEALL = null;
+    public static String CMD_RELOAD = null;
+
     public LangCfg(String fileName, PluginMain pm) {
         super(fileName, pm);
     }
@@ -53,8 +68,13 @@ public class LangCfg extends PluginConfig {
     protected void loadToDo() {
         INVENTORY_NAME = getConfig().getString("inventoryName", "&4===Permissions Packages===");
         EXPIRATION_DATE = getConfig().getString("expirationDate", "&4Expiration date: {0}");
+        TIME_UNIT_D = getConfig().getString("timeUnitD", "day(s)");
+        TIME_UNIT_H = getConfig().getString("timeUnitH", "hour(s)");
+        TIME_UNIT_M = getConfig().getString("timeUnitM", "minute(s)");
+
         MSG_PARAMETER_MISMATCH = getConfig().getString("msg.parameterMismatch", "&4Parameter mismatch.");
-        MSG_DAYS_PARAMETER_INCORRECT = getConfig().getString("msg.daysParameterIncorrect", "&4The number of days is incorrect. Please enter a positive integer.");
+        MSG_TIME_PARAMETER_INCORRECT = getConfig().getString("msg.timeParameterIncorrect", "&4The number of time is incorrect. Please enter a nonzero integer.");
+        MSG_TIME_UNIT_PARAMETER_INCORRECT = getConfig().getString("msg.timeUnitParameterIncorrect", "&4The number of time unit is incorrect. Please use d/h/m. (d=day, h=hour, m=minute)");
         MSG_PROCESSING = getConfig().getString("msg.processing", "&2Please wait for processing...");
         MSG_NO_DATA = getConfig().getString("msg.noData", "&4No data for packages.");
         MSG_PACKAGE_NUM = getConfig().getString("msg.packageNum", "&4There are {0} kinds of permissions packages.");
@@ -65,12 +85,12 @@ public class LangCfg extends PluginConfig {
         MSG_FAIL_SET_PERMISSION = getConfig().getString("msg.failSetPermission", "&4Failed to modify permissions. Please re-enter the server!");
         MSG_NO_FIND_PLAYER = getConfig().getString("msg.noFindPlayer", "&4Can not find player named &2{0}");
         MSG_NO_FIND_PACKAGE = getConfig().getString("msg.noFindPackage", "&4Can not find package named &2{0}");
-        MSG_TELL_GIVE_PACKAGE = getConfig().getString("msg.tellGivePackage", "&2{0} give you {1}days package of {2}");
-        MSG_GIVE_PACKAGE = getConfig().getString("msg.givePackage", "&2Give the player {0} {1}days package of {2}");
-        MSG_GIVE_PACKAGE_FAIL = getConfig().getString("msg.givePackageFail", "&4Failed to give players {0} {1}days package of {2}");
-        MSG_TELL_SET_PACKAGE = getConfig().getString("msg.tellSetPackage", "&2{0} set your package of {2} to {1}days");
-        MSG_SET_PACKAGE = getConfig().getString("msg.setPackage", "&2Set the player {0} {1}days package of {2}");
-        MSG_SET_PACKAGE_FAIL = getConfig().getString("msg.setPackageFail", "&4Failed to set the player {0} {1}days package of {2}");
+        MSG_TELL_GIVE_PACKAGE = getConfig().getString("msg.tellGivePackage", "&2{0} give you {1} package of {2}");
+        MSG_GIVE_PACKAGE = getConfig().getString("msg.givePackage", "&2Give the player {0} {1} package of {2}");
+        MSG_GIVE_PACKAGE_FAIL = getConfig().getString("msg.givePackageFail", "&4Failed to give players {0} {1} package of {2}");
+        MSG_TELL_SET_PACKAGE = getConfig().getString("msg.tellSetPackage", "&2{0} set your package of {2} to {1}");
+        MSG_SET_PACKAGE = getConfig().getString("msg.setPackage", "&2Set the player {0} {1} package of {2}");
+        MSG_SET_PACKAGE_FAIL = getConfig().getString("msg.setPackageFail", "&4Failed to set the player {0} {1} package of {2}");
         MSG_TELL_DEL_PACKAGE = getConfig().getString("msg.tellDelPackage", "&4{0} deleted your package of {1}");
         MSG_DEL_PACKAGE = getConfig().getString("msg.delPackage", "&2Remove package of {1}&2 for player {0}");
         MSG_DEL_PACKAGE_FAIL = getConfig().getString("msg.delPackageFail", "&4Failed to delete package of {1}&2 for player {0}");
@@ -81,5 +101,15 @@ public class LangCfg extends PluginConfig {
         MSG_EXPIRATION_DATE = getConfig().getString("msg.expirationDate", "{0}packages: {1}({2}), Expiration date: {3}");
         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.");
     }
 }
diff --git a/src/main/gg/frog/mc/permissionstime/database/IPlayerDataDao.java b/src/main/gg/frog/mc/permissionstime/database/IPlayerDataDao.java
index cc752e7..2c05cb2 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 = 24 * 60 * 60 * 1000L;// 一天
+    static long TIME_UNIT = 60 * 1000L;// 分钟
 
     /**
      * 检查表是否
@@ -31,8 +31,8 @@ public interface IPlayerDataDao {
      * @throws Exception
      */
     boolean setPlayerData(PlayerDataBean bean) throws Exception;
-    boolean setTime(String uuid, String packageName, int days) throws Exception;
-    boolean addTime(String uuid, String packageName, int days) throws Exception;
+    boolean setTime(String uuid, String packageName, int time) throws Exception;
+    boolean addTime(String uuid, String packageName, int time) throws Exception;
 
     /**
      * 删除
diff --git a/src/main/gg/frog/mc/permissionstime/database/SqlManager.java b/src/main/gg/frog/mc/permissionstime/database/SqlManager.java
index 992c9e3..91b109b 100644
--- a/src/main/gg/frog/mc/permissionstime/database/SqlManager.java
+++ b/src/main/gg/frog/mc/permissionstime/database/SqlManager.java
@@ -72,10 +72,10 @@ public class SqlManager {
         return Collections.emptyList();
     }
 
-    public boolean giveTime(String uuid, String packageName, int days) {
+    public boolean giveTime(String uuid, String packageName, int time) {
         for (int i = 0; i < 3; i++) {
             try {
-                if (pds.addTime(uuid, packageName, days)) {
+                if (pds.addTime(uuid, packageName, time)) {
                     return true;
                 }
             } catch (Exception e) {
@@ -85,10 +85,10 @@ public class SqlManager {
         return false;
     }
 
-    public boolean setTime(String uuid, String packageName, int days) {
+    public boolean setTime(String uuid, String packageName, int time) {
         for (int i = 0; i < 3; i++) {
             try {
-                if (pds.setTime(uuid, packageName, days)) {
+                if (pds.setTime(uuid, packageName, time)) {
                     return true;
                 }
             } catch (Exception e) {
diff --git a/src/main/gg/frog/mc/permissionstime/database/impl/MySQLPlayerDataDao.java b/src/main/gg/frog/mc/permissionstime/database/impl/MySQLPlayerDataDao.java
index de813a2..2bba777 100644
--- a/src/main/gg/frog/mc/permissionstime/database/impl/MySQLPlayerDataDao.java
+++ b/src/main/gg/frog/mc/permissionstime/database/impl/MySQLPlayerDataDao.java
@@ -42,7 +42,7 @@ public class MySQLPlayerDataDao extends DatabaseUtil implements IPlayerDataDao {
 
     @Override
     public boolean creatTable() throws Exception {
-        String sql = "CREATE TABLE `" + PluginCfg.SQL_TABLE_PREFIX + "playerData` ( `id` BIGINT NOT NULL AUTO_INCREMENT, `uuid` VARCHAR (255) NOT NULL, `packageName` VARCHAR (255) NOT NULL, `serverId` VARCHAR (255), `expire` BIGINT NOT NULL, PRIMARY KEY (`id`), UNIQUE INDEX `UUID_PACKAGE_SERVERID` (`uuid`, `packageName`, `serverId`));";
+        String sql = "CREATE TABLE `" + PluginCfg.SQL_TABLE_PREFIX + "playerData` ( `id` BIGINT NOT NULL AUTO_INCREMENT, `uuid` VARCHAR (36) NOT NULL, `packageName` VARCHAR (100) NOT NULL, `serverId` VARCHAR (100), `expire` BIGINT NOT NULL, PRIMARY KEY (`id`), UNIQUE INDEX `UUID_PACKAGE_SERVERID` (`uuid`, `packageName`, `serverId`)) ENGINE=InnoDB DEFAULT CHARSET=utf8; ";
         try {
             getDB().query(sql);
             return true;
@@ -75,13 +75,13 @@ public class MySQLPlayerDataDao extends DatabaseUtil implements IPlayerDataDao {
     }
 
     @Override
-    public boolean setTime(String uuid, String packageName, int days) throws Exception {
+    public boolean setTime(String uuid, String packageName, int time) throws Exception {
         boolean global = uuid.startsWith("g:") ? true : false;
         if (global) {
             uuid = uuid.substring(2);
         }
         long now = new Date().getTime();
-        long addTime = days * TIME_UNIT;
+        long addTime = time * TIME_UNIT;
         long expire = now + addTime;
         PlayerDataBean pdb = queryPlayerData(uuid, packageName);
         if (pdb == null) {
@@ -100,13 +100,13 @@ public class MySQLPlayerDataDao extends DatabaseUtil implements IPlayerDataDao {
     }
 
     @Override
-    public boolean addTime(String uuid, String packageName, int days) throws Exception {
+    public boolean addTime(String uuid, String packageName, int time) throws Exception {
         boolean global = uuid.startsWith("g:") ? true : false;
         if (global) {
             uuid = uuid.substring(2);
         }
         long now = new Date().getTime();
-        long addTime = days * TIME_UNIT;
+        long addTime = time * TIME_UNIT;
         long expire = now + addTime;
         PlayerDataBean pdb = queryPlayerData((global ? "g:" : "") + uuid, packageName);
         if (pdb == null) {
@@ -123,7 +123,7 @@ public class MySQLPlayerDataDao extends DatabaseUtil implements IPlayerDataDao {
                 }
                 return setPlayerData(pdb);
             } else {
-                String sql = "UPDATE `" + PluginCfg.SQL_TABLE_PREFIX + "playerData` SET `expire`='" + addTime + "' WHERE (`id`='" + pdb.getId() + "');";
+                String sql = "UPDATE `" + PluginCfg.SQL_TABLE_PREFIX + "playerData` SET `expire`=`expire`+" + addTime + " WHERE (`id`='" + pdb.getId() + "');";
                 try {
                     getDB().query(sql);
                     return true;
diff --git a/src/main/gg/frog/mc/permissionstime/database/impl/SqlitePlayerDataDao.java b/src/main/gg/frog/mc/permissionstime/database/impl/SqlitePlayerDataDao.java
index 96720c8..8990f75 100644
--- a/src/main/gg/frog/mc/permissionstime/database/impl/SqlitePlayerDataDao.java
+++ b/src/main/gg/frog/mc/permissionstime/database/impl/SqlitePlayerDataDao.java
@@ -70,9 +70,9 @@ public class SqlitePlayerDataDao extends DatabaseUtil implements IPlayerDataDao
     }
 
     @Override
-    public boolean setTime(String uuid, String packageName, int days) throws Exception {
+    public boolean setTime(String uuid, String packageName, int time) throws Exception {
         long now = new Date().getTime();
-        long addTime = days * TIME_UNIT;
+        long addTime = time * TIME_UNIT;
         long expire = now + addTime;
         PlayerDataBean pdb = queryPlayerData(uuid, packageName);
         if (pdb == null) {
@@ -85,9 +85,9 @@ public class SqlitePlayerDataDao extends DatabaseUtil implements IPlayerDataDao
     }
 
     @Override
-    public boolean addTime(String uuid, String packageName, int days) throws Exception {
+    public boolean addTime(String uuid, String packageName, int time) throws Exception {
         long now = new Date().getTime();
-        long addTime = days * TIME_UNIT;
+        long addTime = time * TIME_UNIT;
         long expire = now + addTime;
         PlayerDataBean pdb = queryPlayerData(uuid, packageName);
         if (pdb == null) {
diff --git a/src/main/gg/frog/mc/permissionstime/model/cfg/PermissionPackageBean.java b/src/main/gg/frog/mc/permissionstime/model/cfg/PermissionPackageBean.java
index d13e896..0a649d5 100644
--- a/src/main/gg/frog/mc/permissionstime/model/cfg/PermissionPackageBean.java
+++ b/src/main/gg/frog/mc/permissionstime/model/cfg/PermissionPackageBean.java
@@ -218,6 +218,7 @@ public class PermissionPackageBean implements IConfigBean {
         long delay = -1;
         long now = new Date().getTime();
         PermissionPackageBean addPpb = new PermissionPackageBean();
+        addPpb.getGroups().add(PackagesCfg.DEFAULT_GROUP);
         PermissionPackageBean subPpb = new PermissionPackageBean();
         subPpb.getPermissions().addAll(PackagesCfg.allPermissions);
         subPpb.getGroups().addAll(PackagesCfg.allGroups);
diff --git a/src/resources/lang/en.yml b/src/resources/lang/en.yml
index 355b68a..c8634ee 100644
--- a/src/resources/lang/en.yml
+++ b/src/resources/lang/en.yml
@@ -1,8 +1,12 @@
 inventoryName: '&4===Permissions Packages==='
 expirationDate: '&4Expiration date: {0}'
+timeUnitD: 'day(s)'
+timeUnitH: 'hour(s)'
+timeUnitM: 'minute(s)'
 msg:
   parameterMismatch: '&4Parameter mismatch.'
-  daysParameterIncorrect: '&4The number of days is incorrect. Please enter a positive integer.'
+  timeParameterIncorrect: '&4The number of time is incorrect. Please enter a nonzero integer.'
+  timeUnitParameterIncorrect: '&4The number of time unit is incorrect. Please use d/h/m. (d=day, h=hour, m=minute)'
   processing: '&2Please wait for processing...'
   noData: '&4No data for packages.'
   packageNum: '&4There are {0} kinds of permissions packages.'
@@ -13,12 +17,12 @@ msg:
   failSetPermission: '&4Failed to modify permissions. Please re-enter the server!'
   noFindPlayer: '&4Can not find player named &2{0}'
   noFindPackage: '&4Can not find package named &2{0}'
-  tellGivePackage: '&2{0} give you {1}days package of {2}'
-  givePackage: '&2Give the player {0} {1}days package of {2}'
-  givePackageFail: '&4Failed to give players {0} {1}days package of {2}'
-  tellSetPackage: '&2{0} set your package of {2} to {1}days'
-  setPackage: '&2Set the player {0} {1}days package of {2}'
-  setPackageFail: '&4Failed to set the player {0} {1}days package of {2}'
+  tellGivePackage: '&2{0} give you {1} package of {2}'
+  givePackage: '&2Give the player {0} {1} package of {2}'
+  givePackageFail: '&4Failed to give players {0} {1} package of {2}'
+  tellSetPackage: '&2{0} set your package of {2} to {1}'
+  setPackage: '&2Set the player {0} {1} package of {2}'
+  setPackageFail: '&4Failed to set the player {0} {1} package of {2}'
   tellDelPackage: '&4{0} deleted your package of {1}'
   delPackage: '&2Remove package of {1}&2 for player {0}'
   delPackageFail: '&4Failed to delete package of {1}&2 for player {0}'
@@ -29,3 +33,13 @@ msg:
   expirationDate: '{0}packages: {1}({2}), Expiration date: {3}'
   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.'
diff --git a/src/resources/lang/zh-cn.yml b/src/resources/lang/zh-cn.yml
index 04e426e..df26559 100644
--- a/src/resources/lang/zh-cn.yml
+++ b/src/resources/lang/zh-cn.yml
@@ -1,8 +1,12 @@
 inventoryName: '&4===权限仓库==='
 expirationDate: '&4到期时间: {0}.'
+timeUnitD: '天'
+timeUnitH: '小时'
+timeUnitM: '分钟'
 msg:
   parameterMismatch: '&4参数不匹配.'
-  daysParameterIncorrect: '&4时间参数不正确,请输入正整数.'
+  timeParameterIncorrect: '&4时间参数不正确,请输入非零整数.'
+  timeUnitParameterIncorrect: '&4时间单位不正确. 请使用 d或h或m. (d=天, h=小时, m=分钟)'
   processing: '&2执行中，请等待...'
   noData: '&4暂时无权限包.'
   packageNum: '&4共有{0}种权限包.'
@@ -13,12 +17,12 @@ msg:
   failSetPermission: '&4修改权限失败, 请重新进入服务器!'
   noFindPlayer: '&4找不到名为&2{0}&4的玩家.'
   noFindPackage: '&4找不到名为&2{0}&4的权限包.'
-  tellGivePackage: '&2{0}给予你 {1}天的 {2}.'
-  givePackage: '&2给予玩家 {0} {1}天的 {2}.'
-  givePackageFail: '&4未给予玩家 {0} {1}天的 {2}.'
-  tellSetPackage: '&2{0}设置你 {1}天的 {2}.'
-  setPackage: '&2设置玩家 {0} {1}天的 {2}.'
-  setPackageFail: '&4未设置玩家 {0} {1}天的 {2}.'
+  tellGivePackage: '&2{0}给予你 {1}的 {2}.'
+  givePackage: '&2给予玩家 {0} {1}的 {2}.'
+  givePackageFail: '&4未给予玩家 {0} {1}的 {2}.'
+  tellSetPackage: '&2{0}设置你 {1}的 {2}.'
+  setPackage: '&2设置玩家 {0} {1}的 {2}.'
+  setPackageFail: '&4未设置玩家 {0} {1}的 {2}.'
   tellDelPackage: '&4{0}删除了你的 {1}权限包.'
   delPackage: '&2删除玩家 {0} 的 {1}.'
   delPackageFail: '&4未删除玩家 {0} 的 {1}.'
@@ -29,3 +33,13 @@ msg:
   expirationDate: '{0}权限包: {1}({2}), 到期时间: {3}'
   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.'
diff --git a/src/resources/plugin.yml b/src/resources/plugin.yml
index 3814903..aea4936 100644
--- a/src/resources/plugin.yml
+++ b/src/resources/plugin.yml
@@ -1,5 +1,5 @@
 name: PermissionsTime
-version: 0.1.3-SNAPSHOT
+version: 0.2.0-SNAPSHOT
 main: gg.frog.mc.permissionstime.PluginMain
 author: GeekFrog
 softdepend:
@@ -32,10 +32,10 @@ permissions:
     description: Reloads the config file.
     default: op
   permissionstime.give:
-    description: Give player package <time>day.
+    description: Give player package some time.
     default: op
   permissionstime.set:
-    description: Set player package <time>day.
+    description: Set player package some time.
     default: op
   permissionstime.get:
     description: View player packages.