diff --git a/src/main/java/cn/citycraft/Yum/commands/CommandDelete.java b/src/main/java/cn/citycraft/Yum/commands/CommandDelete.java
index a2a7bba..1aabe72 100644
--- a/src/main/java/cn/citycraft/Yum/commands/CommandDelete.java
+++ b/src/main/java/cn/citycraft/Yum/commands/CommandDelete.java
@@ -3,6 +3,7 @@
  */
 package cn.citycraft.Yum.commands;
 
+import org.apache.commons.lang.StringUtils;
 import org.bukkit.Bukkit;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandException;
@@ -12,7 +13,6 @@ import org.bukkit.plugin.Plugin;
 import cn.citycraft.PluginHelper.commands.BaseCommand;
 import cn.citycraft.Yum.Yum;
 import cn.citycraft.Yum.api.YumAPI;
-import net.minecraft.util.org.apache.commons.lang3.StringUtils;
 
 /**
  * 插件删除命令类
diff --git a/src/main/java/cn/citycraft/Yum/commands/CommandFullDelete.java b/src/main/java/cn/citycraft/Yum/commands/CommandFullDelete.java
index 23388fe..0673004 100644
--- a/src/main/java/cn/citycraft/Yum/commands/CommandFullDelete.java
+++ b/src/main/java/cn/citycraft/Yum/commands/CommandFullDelete.java
@@ -3,6 +3,7 @@
  */
 package cn.citycraft.Yum.commands;
 
+import org.apache.commons.lang.StringUtils;
 import org.bukkit.Bukkit;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandException;
@@ -12,7 +13,6 @@ import org.bukkit.plugin.Plugin;
 import cn.citycraft.PluginHelper.commands.BaseCommand;
 import cn.citycraft.Yum.Yum;
 import cn.citycraft.Yum.api.YumAPI;
-import net.minecraft.util.org.apache.commons.lang3.StringUtils;
 
 /**
  * 插件删除命令类
diff --git a/src/main/java/cn/citycraft/Yum/manager/DownloadManager.java b/src/main/java/cn/citycraft/Yum/manager/DownloadManager.java
index 13afeb8..91ead15 100644
--- a/src/main/java/cn/citycraft/Yum/manager/DownloadManager.java
+++ b/src/main/java/cn/citycraft/Yum/manager/DownloadManager.java
@@ -6,13 +6,12 @@ import java.io.FileOutputStream;
 import java.net.MalformedURLException;
 import java.net.URL;
 
+import org.apache.commons.lang.StringUtils;
 import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
 import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.PluginDescriptionFile;
 
-import net.minecraft.util.org.apache.commons.lang3.StringUtils;
-
 /**
  * 下载管理类
  *