diff --git a/src/main/gg/frog/mc/permissionstime/PluginMain.java b/src/main/gg/frog/mc/permissionstime/PluginMain.java
index ec4ce87..c9d43a8 100644
--- a/src/main/gg/frog/mc/permissionstime/PluginMain.java
+++ b/src/main/gg/frog/mc/permissionstime/PluginMain.java
@@ -164,6 +164,8 @@ public class PluginMain extends JavaPlugin {
 
     public OfflinePlayer getOfflinePlayer(String name) {
         for (OfflinePlayer p : getServer().getOfflinePlayers()) {
+        	if(p==null)
+        		continue;
             if (p.getName().equalsIgnoreCase(name)) {
                 return p;
             }
diff --git a/src/main/gg/frog/mc/permissionstime/command/MeCmd.java b/src/main/gg/frog/mc/permissionstime/command/MeCmd.java
index b1a7584..e178eee 100644
--- a/src/main/gg/frog/mc/permissionstime/command/MeCmd.java
+++ b/src/main/gg/frog/mc/permissionstime/command/MeCmd.java
@@ -2,6 +2,7 @@ package gg.frog.mc.permissionstime.command;
 
 import java.util.List;
 
+import org.bukkit.OfflinePlayer;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
@@ -34,9 +35,9 @@ public class MeCmd implements Runnable {
         if (isPlayer) {
             if (args.length == 1) {
                 sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_PROCESSING));
-                Player p = (Player) sender;
+                OfflinePlayer p = this.pm.getOfflinePlayer(sender.getName());
                 List<PlayerDataBean> ps = sm.getTime(p.getUniqueId().toString());
-                PlayerPermissionShow.show(p, ps);
+                PlayerPermissionShow.show((Player) sender, ps);
             } else {
                 sender.sendMessage(StrUtil.messageFormat(PluginCfg.PLUGIN_PREFIX + LangCfg.MSG_PARAMETER_MISMATCH));
                 sender.sendMessage(StrUtil.messageFormat(LangCfg.CMD_ME, pm.PLUGIN_NAME_LOWER_CASE));