diff --git a/src/main/java/pw/yumc/YumCore/commands/CommandHelp.java b/src/main/java/pw/yumc/YumCore/commands/CommandHelp.java
index de4f3c3..4499fb7 100644
--- a/src/main/java/pw/yumc/YumCore/commands/CommandHelp.java
+++ b/src/main/java/pw/yumc/YumCore/commands/CommandHelp.java
@@ -14,6 +14,8 @@ import org.bukkit.command.CommandSender;
 
 import pw.yumc.YumCore.bukkit.P;
 import pw.yumc.YumCore.commands.annotation.Help;
+import pw.yumc.YumCore.commands.info.CommandInfo;
+import pw.yumc.YumCore.commands.interfaces.CommandHelpParse;
 
 /**
  * 命令帮助生成类
diff --git a/src/main/java/pw/yumc/YumCore/commands/CommandManager.java b/src/main/java/pw/yumc/YumCore/commands/CommandManager.java
index 701853c..981e5a6 100644
--- a/src/main/java/pw/yumc/YumCore/commands/CommandManager.java
+++ b/src/main/java/pw/yumc/YumCore/commands/CommandManager.java
@@ -28,6 +28,10 @@ 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.info.CommandInfo;
+import pw.yumc.YumCore.commands.info.CommandTabInfo;
+import pw.yumc.YumCore.commands.interfaces.CommandExecutor;
+import pw.yumc.YumCore.commands.interfaces.CommandHelpParse;
 
 /**
  * 命令管理类
@@ -57,7 +61,7 @@ public class CommandManager implements TabExecutor {
             knownCommandsField.setAccessible(true);
             knownCommands = (Map<String, Command>) knownCommandsField.get(commandMap);
 
-            PluginCommandConstructor = PluginCommand.class.getConstructor(String.class, Plugin.class);
+            PluginCommandConstructor = PluginCommand.class.getDeclaredConstructor(String.class, Plugin.class);
         } catch (NoSuchMethodException | SecurityException | NoSuchFieldException | IllegalArgumentException | IllegalAccessException e) {
             Log.d("初始化命令管理器失败!");
             Log.debug(e);
@@ -78,7 +82,7 @@ public class CommandManager implements TabExecutor {
     /**
      * Tab列表
      */
-    private final Set<TabInfo> tabs = new HashSet<>();
+    private final Set<CommandTabInfo> tabs = new HashSet<>();
     /**
      * 命令缓存列表
      */
@@ -156,7 +160,7 @@ public class CommandManager implements TabExecutor {
         if (args.length == 1) {
             StringUtil.copyPartialMatches(args[0], cmdNameCache, completions);
         } else if (args.length >= 2) {
-            for (final TabInfo tab : tabs) {
+            for (final CommandTabInfo tab : tabs) {
                 StringUtil.copyPartialMatches(token, tab.execute(sender, command, token, args), completions);
             }
             StringUtil.copyPartialMatches(token, getPlayerTabComplete(sender, command, alias, args), completions);
@@ -283,13 +287,14 @@ public class CommandManager implements TabExecutor {
         final CommandInfo ci = CommandInfo.parse(method, clazz);
         if (ci != null) {
             final Class<?>[] params = method.getParameterTypes();
-            if (params.length > 0 && params[0].equals(CommandArgument.class)) {
+            Log.d("命令 %s 参数类型: %s", ci.getName(), Arrays.toString(params));
+            if (params.length > 0 && params[0].isAssignableFrom(CommandSender.class)) {
                 if (method.getReturnType() == boolean.class) {
                     defCmd = ci;
-                    return true;
+                } else {
+                    cmds.add(ci);
+                    cmdCache.put(ci.getName(), ci);
                 }
-                cmds.add(ci);
-                cmdCache.put(ci.getName(), ci);
                 return true;
             }
             Log.warning(String.format(argumentTypeError, method.getName(), clazz.getClass().getName()));
@@ -307,7 +312,7 @@ public class CommandManager implements TabExecutor {
      * @return 是否成功
      */
     private boolean registerTab(final Method method, final CommandExecutor clazz) {
-        final TabInfo ti = TabInfo.parse(method, clazz);
+        final CommandTabInfo ti = CommandTabInfo.parse(method, clazz);
         if (ti != null) {
             if (method.getReturnType().equals(List.class)) {
                 tabs.add(ti);
diff --git a/src/main/java/pw/yumc/YumCore/commands/CommandParse.java b/src/main/java/pw/yumc/YumCore/commands/CommandParse.java
index e548b4a..b2e2aa5 100644
--- a/src/main/java/pw/yumc/YumCore/commands/CommandParse.java
+++ b/src/main/java/pw/yumc/YumCore/commands/CommandParse.java
@@ -2,11 +2,13 @@ package pw.yumc.YumCore.commands;
 
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Method;
+import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 
 import org.bukkit.Bukkit;
+import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
 import pw.yumc.YumCore.commands.exception.CommandException;
@@ -19,7 +21,7 @@ import pw.yumc.YumCore.commands.exception.CommandParseException;
  * @since 2016年10月5日 下午4:02:04
  */
 public class CommandParse {
-    private static Map<Class, Parse> allparses;
+    private static Map<Class, Parse> allparses = new HashMap<>();
     static {
         new IntegerParse();
         new LongParse();
@@ -33,6 +35,9 @@ public class CommandParse {
     public CommandParse(final Class[] classes, final Annotation[][] annons) {
         for (final Class classe : classes) {
             final Class clazz = classe;
+            if (clazz.isAssignableFrom(CommandSender.class)) {
+                continue;
+            }
             if (!allparses.containsKey(clazz)) {
                 throw new CommandParseException(String.format("无法解析的参数类型 %s !", clazz.getName()));
             }
diff --git a/src/main/java/pw/yumc/YumCore/commands/CommandInfo.java b/src/main/java/pw/yumc/YumCore/commands/info/CommandInfo.java
similarity index 94%
rename from src/main/java/pw/yumc/YumCore/commands/CommandInfo.java
rename to src/main/java/pw/yumc/YumCore/commands/info/CommandInfo.java
index af413fe..db75e1b 100644
--- a/src/main/java/pw/yumc/YumCore/commands/CommandInfo.java
+++ b/src/main/java/pw/yumc/YumCore/commands/info/CommandInfo.java
@@ -1,4 +1,4 @@
-package pw.yumc.YumCore.commands;
+package pw.yumc.YumCore.commands.info;
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
@@ -11,6 +11,8 @@ import org.bukkit.entity.Player;
 
 import pw.yumc.YumCore.bukkit.Log;
 import pw.yumc.YumCore.bukkit.P;
+import pw.yumc.YumCore.commands.CommandArgument;
+import pw.yumc.YumCore.commands.CommandParse;
 import pw.yumc.YumCore.commands.annotation.Async;
 import pw.yumc.YumCore.commands.annotation.Cmd;
 import pw.yumc.YumCore.commands.annotation.Cmd.Executor;
@@ -121,7 +123,7 @@ public class CommandInfo {
                 @Override
                 public void run() {
                     try {
-                        method.invoke(origin, cmdArgs.getSender(), parse.parse(cmdArgs));
+                        method.invoke(origin, parse.parse(cmdArgs));
                     } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
                         throw new CommandException(e);
                     }
diff --git a/src/main/java/pw/yumc/YumCore/commands/TabInfo.java b/src/main/java/pw/yumc/YumCore/commands/info/CommandTabInfo.java
similarity index 78%
rename from src/main/java/pw/yumc/YumCore/commands/TabInfo.java
rename to src/main/java/pw/yumc/YumCore/commands/info/CommandTabInfo.java
index 0f6bd82..0efa3ce 100644
--- a/src/main/java/pw/yumc/YumCore/commands/TabInfo.java
+++ b/src/main/java/pw/yumc/YumCore/commands/info/CommandTabInfo.java
@@ -1,4 +1,4 @@
-package pw.yumc.YumCore.commands;
+package pw.yumc.YumCore.commands.info;
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
@@ -8,6 +8,7 @@ import java.util.List;
 import org.bukkit.command.CommandSender;
 
 import pw.yumc.YumCore.bukkit.P;
+import pw.yumc.YumCore.commands.CommandArgument;
 import pw.yumc.YumCore.commands.annotation.Tab;
 import pw.yumc.YumCore.commands.exception.CommandException;
 
@@ -17,11 +18,11 @@ import pw.yumc.YumCore.commands.exception.CommandException;
  * @since 2016年7月23日 上午9:56:42
  * @author 喵♂呜
  */
-public class TabInfo {
+public class CommandTabInfo {
     private final Object origin;
     private final Method method;
 
-    public TabInfo(final Method method, final Object origin) {
+    public CommandTabInfo(final Method method, final Object origin) {
         this.method = method;
         this.origin = origin;
     }
@@ -33,12 +34,12 @@ public class TabInfo {
      *            方法
      * @param origin
      *            对象
-     * @return {@link TabInfo}
+     * @return {@link CommandTabInfo}
      */
-    public static TabInfo parse(final Method method, final Object origin) {
+    public static CommandTabInfo parse(final Method method, final Object origin) {
         final Tab tab = method.getAnnotation(Tab.class);
         if (tab != null) {
-            return new TabInfo(method, origin);
+            return new CommandTabInfo(method, origin);
         }
         return null;
     }
@@ -48,8 +49,8 @@ public class TabInfo {
         if (this == obj) {
             return true;
         }
-        if (obj instanceof TabInfo) {
-            return method.equals(((TabInfo) obj).getMethod());
+        if (obj instanceof CommandTabInfo) {
+            return method.equals(((CommandTabInfo) obj).getMethod());
         }
         return super.equals(obj);
     }
diff --git a/src/main/java/pw/yumc/YumCore/commands/CommandExecutor.java b/src/main/java/pw/yumc/YumCore/commands/interfaces/CommandExecutor.java
similarity index 70%
rename from src/main/java/pw/yumc/YumCore/commands/CommandExecutor.java
rename to src/main/java/pw/yumc/YumCore/commands/interfaces/CommandExecutor.java
index f7b2b4d..869e0b8 100644
--- a/src/main/java/pw/yumc/YumCore/commands/CommandExecutor.java
+++ b/src/main/java/pw/yumc/YumCore/commands/interfaces/CommandExecutor.java
@@ -1,4 +1,4 @@
-package pw.yumc.YumCore.commands;
+package pw.yumc.YumCore.commands.interfaces;
 
 /**
  * 命令执行类
diff --git a/src/main/java/pw/yumc/YumCore/commands/CommandHelpParse.java b/src/main/java/pw/yumc/YumCore/commands/interfaces/CommandHelpParse.java
similarity index 82%
rename from src/main/java/pw/yumc/YumCore/commands/CommandHelpParse.java
rename to src/main/java/pw/yumc/YumCore/commands/interfaces/CommandHelpParse.java
index bd4bb53..377539d 100644
--- a/src/main/java/pw/yumc/YumCore/commands/CommandHelpParse.java
+++ b/src/main/java/pw/yumc/YumCore/commands/interfaces/CommandHelpParse.java
@@ -1,4 +1,4 @@
-package pw.yumc.YumCore.commands;
+package pw.yumc.YumCore.commands.interfaces;
 
 /**
  * 命令解析接口