diff --git a/src/main/java/pw/yumc/YumCore/bukkit/Log.java b/src/main/java/pw/yumc/YumCore/bukkit/Log.java
index ed78c29..cf86625 100644
--- a/src/main/java/pw/yumc/YumCore/bukkit/Log.java
+++ b/src/main/java/pw/yumc/YumCore/bukkit/Log.java
@@ -52,6 +52,12 @@ public class Log {
         logger.severe(msg);
     }
 
+    public static void toSender(final CommandSender sender, final String... msg) {
+        for (final String str : msg) {
+            sender.sendMessage(prefix + str);
+        }
+    }
+
     public static void warning(final String msg) {
         logger.warning(msg);
     }
diff --git a/src/main/java/pw/yumc/YumCore/commands/CommandArgument.java b/src/main/java/pw/yumc/YumCore/commands/CommandArgument.java
index 85dd15c..3382b79 100644
--- a/src/main/java/pw/yumc/YumCore/commands/CommandArgument.java
+++ b/src/main/java/pw/yumc/YumCore/commands/CommandArgument.java
@@ -1,80 +1,53 @@
-package pw.yumc.YumCore.commands;
-
-import org.bukkit.command.Command;
-import org.bukkit.command.CommandSender;
-import org.bukkit.entity.Player;
-
-import pw.yumc.YumCore.commands.exception.IllegalPermissionException;
-import pw.yumc.YumCore.commands.exception.IllegalSenderException;
-
-/**
- * 子命令调用事件类
- *
- * @since 2015年8月22日上午8:29:44
- * @author 喵♂呜
- */
-public class CommandArgument {
-    private final CommandSender sender;
-    private final Command command;
-    private final String alias;
-    private final String[] args;
-
-    public CommandArgument(final CommandSender sender, final Command command, final String alias, final String[] args) {
-        this.sender = sender;
-        this.command = command;
-        this.alias = alias;
-        this.args = args;
-    }
-
-    public boolean check(final CommandInfo info) {
-        if (sender instanceof Player) {
-            if (info.getCommand().onlyConsoleExecutable()) {
-                throw new IllegalSenderException("§c玩家无法使用此命令(§4请使用控制台执行§c)!");
-            }
-        } else if (info.getCommand().onlyPlayerExecutable()) {
-            throw new IllegalSenderException("§c玩家无法使用此命令(§4请使用控制台执行§c)!");
-        }
-        final String perm = info.getCommand().permission();
-        if (perm != null && !sender.hasPermission(perm)) {
-            throw new IllegalPermissionException("§c你需要有 " + perm + " 的权限才能执行此命令!");
-        }
-        return true;
-    }
-
-    /**
-     * 命令别名
-     *
-     * @return alias
-     */
-    public String getAlias() {
-        return alias;
-    }
-
-    /**
-     * 命令参数
-     *
-     * @return args
-     */
-    public String[] getArgs() {
-        return args;
-    }
-
-    /**
-     * 命令实体
-     *
-     * @return command
-     */
-    public Command getCommand() {
-        return command;
-    }
-
-    /**
-     * 命令发送者
-     *
-     * @return sender
-     */
-    public CommandSender getSender() {
-        return sender;
-    }
-
-}
+package pw.yumc.YumCore.commands;
+
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+
+/**
+ * 子命令参数类
+ *
+ * @since 2015年8月22日上午8:29:44
+ * @author 喵♂呜
+ */
+public class CommandArgument {
+    private final CommandSender sender;
+    private final Command command;
+    private final String alias;
+    private final String[] args;
+
+    public CommandArgument(final CommandSender sender, final Command command, final String alias, final String[] args) {
+        this.sender = sender;
+        this.command = command;
+        this.alias = alias;
+        this.args = args;
+    }
+
+    /**
+     * @return 命令别名
+     */
+    public String getAlias() {
+        return alias;
+    }
+
+    /**
+     * @return 命令参数
+     */
+    public String[] getArgs() {
+        return args;
+    }
+
+    /**
+     * @return 命令实体
+     */
+    public Command getCommand() {
+        return command;
+    }
+
+    /**
+     * @return 命令发送者
+     */
+    public CommandSender getSender() {
+        return sender;
+    }
+
+}
diff --git a/src/main/java/pw/yumc/YumCore/commands/api/CommandExecutor.java b/src/main/java/pw/yumc/YumCore/commands/CommandExecutor.java
similarity index 74%
rename from src/main/java/pw/yumc/YumCore/commands/api/CommandExecutor.java
rename to src/main/java/pw/yumc/YumCore/commands/CommandExecutor.java
index 364bbb4..f7b2b4d 100644
--- a/src/main/java/pw/yumc/YumCore/commands/api/CommandExecutor.java
+++ b/src/main/java/pw/yumc/YumCore/commands/CommandExecutor.java
@@ -1,11 +1,11 @@
-package pw.yumc.YumCore.commands.api;
-
-/**
- * 命令执行类
- * 
- * @since 2016年7月23日 上午9:55:51
- * @author 喵♂呜
- */
-public interface CommandExecutor {
-
-}
+package pw.yumc.YumCore.commands;
+
+/**
+ * 命令执行类
+ * 
+ * @since 2016年7月23日 上午9:55:51
+ * @author 喵♂呜
+ */
+public interface CommandExecutor {
+
+}
diff --git a/src/main/java/pw/yumc/YumCore/commands/CommandInfo.java b/src/main/java/pw/yumc/YumCore/commands/CommandInfo.java
index 601859b..77dc142 100644
--- a/src/main/java/pw/yumc/YumCore/commands/CommandInfo.java
+++ b/src/main/java/pw/yumc/YumCore/commands/CommandInfo.java
@@ -6,9 +6,10 @@ import java.util.Arrays;
 import java.util.List;
 
 import org.bukkit.Bukkit;
-import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
 
+import pw.yumc.YumCore.bukkit.Log;
 import pw.yumc.YumCore.bukkit.P;
 import pw.yumc.YumCore.commands.annotation.Async;
 import pw.yumc.YumCore.commands.annotation.Cmd;
@@ -23,7 +24,13 @@ import pw.yumc.YumCore.commands.exception.CommandException;
  * @author 喵♂呜
  */
 public class CommandInfo {
-    public static CommandInfo Unknow = new CommandInfo();
+    public static final CommandInfo Unknow = new CommandInfo();
+    private static final String onlyPlayer = "§c控制台无法使用此命令(§4请在游戏内执行§c)!";
+    private static final String onlyConsole = "§c玩家无法使用此命令(§4请使用控制台执行§c)!";
+    private static final String losePerm = "§c你需要有 %s 的权限才能执行此命令!";
+    private static final String cmdErr = "§6错误原因: §4命令参数不正确!";
+    private static final String cmdUse = "§6使用方法: §e/%s %s %s";
+    private static final String cmdDes = "§6命令描述: §3%s";
     private final Object origin;
     private final Method method;
     private final String name;
@@ -55,6 +62,15 @@ public class CommandInfo {
         this.sort = 0;
     }
 
+    /**
+     * 解析CommandInfo
+     *
+     * @param method
+     *            方法
+     * @param origin
+     *            源对象
+     * @return {@link CommandInfo}
+     */
     public static CommandInfo parse(final Method method, final Object origin) {
         final Cmd command = method.getAnnotation(Cmd.class);
         if (command != null) {
@@ -74,21 +90,28 @@ public class CommandInfo {
         return super.equals(obj);
     }
 
-    public boolean execute(final CommandSender sender, final Command command, final String label, final String[] args) {
+    /**
+     * 执行命令
+     *
+     * @param sender
+     *            命令发送者
+     * @param command
+     *            主命令
+     * @param label
+     *            主命令别名
+     * @param args
+     *            子命令参数
+     * @return
+     */
+    public boolean execute(final CommandArgument cmdArgs) {
         if (method == null) {
             return false;
         }
-        final CommandArgument cmdArgs = new CommandArgument(sender, command, label, args);
+        check(cmdArgs);
         final Runnable runnable = new Runnable() {
             @Override
             public void run() {
                 try {
-                    try {
-                        cmdArgs.check(CommandInfo.this);
-                    } catch (final CommandException e) {
-                        sender.sendMessage(e.getMessage());
-                        return;
-                    }
                     method.invoke(origin, cmdArgs);
                 } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
                     throw new CommandException(e);
@@ -103,27 +126,75 @@ public class CommandInfo {
         return true;
     }
 
+    /**
+     * @return 命令注解
+     */
     public Cmd getCommand() {
         return command;
     }
 
+    /**
+     * @return 帮助注解
+     */
     public Help getHelp() {
         return help;
     }
 
+    /**
+     * @return 命令名称
+     */
     public String getName() {
         return name;
     }
 
+    /**
+     * @return 命令排序
+     */
     public int getSort() {
         return sort;
     }
 
+    /**
+     * @return 是否为异步命令
+     */
     public boolean isAsync() {
         return async;
     }
 
+    /**
+     * 验证命令是否匹配
+     *
+     * @param cmd
+     *            需验证命令
+     * @return 是否匹配
+     */
     public boolean isValid(final String cmd) {
         return name.equalsIgnoreCase(cmd) || aliases.contains(cmd);
     }
+
+    /**
+     * 检查命令
+     *
+     * @param info
+     *            命令信息
+     * @return 是否验证通过
+     */
+    private boolean check(final CommandArgument cmdArgs) {
+        final CommandSender sender = cmdArgs.getSender();
+        if (cmdArgs.getArgs().length < command.minimumArguments()) {
+            Log.toSender(sender, cmdErr);
+            Log.toSender(sender, String.format(cmdUse, cmdArgs.getAlias(), getName(), help.possibleArguments()));
+            Log.toSender(sender, String.format(cmdDes, help.description()));
+        }
+        if (sender instanceof Player && command.onlyConsoleExecutable()) {
+            Log.toSender(sender, onlyConsole);
+        } else if (command.onlyPlayerExecutable()) {
+            Log.toSender(sender, onlyPlayer);
+        }
+        final String perm = command.permission();
+        if (perm != null && !sender.hasPermission(perm)) {
+            Log.toSender(sender, String.format(losePerm, perm));
+        }
+        return true;
+    }
 }
diff --git a/src/main/java/pw/yumc/YumCore/commands/CommandManager.java b/src/main/java/pw/yumc/YumCore/commands/CommandManager.java
index 6e067bf..f68b8bf 100644
--- a/src/main/java/pw/yumc/YumCore/commands/CommandManager.java
+++ b/src/main/java/pw/yumc/YumCore/commands/CommandManager.java
@@ -20,7 +20,6 @@ import org.bukkit.util.StringUtil;
 import pw.yumc.YumCore.bukkit.Log;
 import pw.yumc.YumCore.bukkit.P;
 import pw.yumc.YumCore.bukkit.compatible.C;
-import pw.yumc.YumCore.commands.api.CommandExecutor;
 
 /**
  * 命令管理类
@@ -96,19 +95,13 @@ public class CommandManager implements TabExecutor {
             help.send(sender, command, label, args);
             return true;
         }
-        final String[] subargs = moveStrings(args, 1);
-        if (!cmdcache.containsKey(label)) {
-            for (final CommandInfo cmdinfo : cmdlist) {
-                if (cmdinfo.isValid(subcmd)) {
-                    cmdcache.put(subcmd, cmdinfo);
-                    break;
-                }
-            }
-            if (!cmdcache.containsKey(subcmd)) {
-                cmdcache.put(subcmd, CommandInfo.Unknow);
-            }
+        final CommandArgument cmdArgs = new CommandArgument(sender, command, label, moveStrings(args, 1));
+        final CommandInfo ci = checkCache(subcmd);
+        try {
+
+        } catch (final Exception e) {
         }
-        return cmdcache.get(subcmd).execute(sender, command, label, subargs);
+        return ci.execute(cmdArgs);
     }
 
     @Override
@@ -145,6 +138,28 @@ public class CommandManager implements TabExecutor {
         help = new CommandHelp(cmdlist);
     }
 
+    /**
+     * 检查缓存并获得命令
+     *
+     * @param subcmd
+     *            子命令
+     * @return 命令信息
+     */
+    private CommandInfo checkCache(final String subcmd) {
+        if (!cmdcache.containsKey(subcmd)) {
+            for (final CommandInfo cmdinfo : cmdlist) {
+                if (cmdinfo.isValid(subcmd)) {
+                    cmdcache.put(subcmd, cmdinfo);
+                    break;
+                }
+            }
+            if (!cmdcache.containsKey(subcmd)) {
+                cmdcache.put(subcmd, CommandInfo.Unknow);
+            }
+        }
+        return cmdcache.get(subcmd);
+    }
+
     /**
      * 获取玩家命令补全
      *
diff --git a/src/main/java/pw/yumc/YumCore/commands/exception/IllegalArgumentException.java b/src/main/java/pw/yumc/YumCore/commands/exception/IllegalArgumentException.java
deleted file mode 100644
index 98e5d77..0000000
--- a/src/main/java/pw/yumc/YumCore/commands/exception/IllegalArgumentException.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package pw.yumc.YumCore.commands.exception;
-
-/**
- *
- * @since 2016年7月23日 上午11:00:34
- * @author 喵♂呜
- */
-public class IllegalArgumentException extends CommandException {
-
-    public IllegalArgumentException(final String string) {
-        super(string);
-    }
-
-}
diff --git a/src/main/java/pw/yumc/YumCore/commands/exception/IllegalPermissionException.java b/src/main/java/pw/yumc/YumCore/commands/exception/IllegalPermissionException.java
deleted file mode 100644
index 576c0ed..0000000
--- a/src/main/java/pw/yumc/YumCore/commands/exception/IllegalPermissionException.java
+++ /dev/null
@@ -1,12 +0,0 @@
-package pw.yumc.YumCore.commands.exception;
-
-/**
- *
- * @since 2016年7月23日 上午10:50:23
- * @author 喵♂呜
- */
-public class IllegalPermissionException extends CommandException {
-    public IllegalPermissionException(final String string) {
-        super(string);
-    }
-}
diff --git a/src/main/java/pw/yumc/YumCore/commands/exception/IllegalSenderException.java b/src/main/java/pw/yumc/YumCore/commands/exception/IllegalSenderException.java
deleted file mode 100644
index ae0057f..0000000
--- a/src/main/java/pw/yumc/YumCore/commands/exception/IllegalSenderException.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package pw.yumc.YumCore.commands.exception;
-
-/**
- *
- * @since 2016年7月23日 上午11:00:34
- * @author 喵♂呜
- */
-public class IllegalSenderException extends CommandException {
-
-    public IllegalSenderException(final String string) {
-        super(string);
-    }
-
-}