diff --git a/build.gradle b/build.gradle
index 78add32..a03ecf3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -48,6 +48,8 @@ dependencies{
     compile "org.jetbrains.kotlin:kotlin-script-util:$kotlin_version"
     compile "org.jetbrains.kotlin:kotlin-scripting-jvm-host:$kotlin_version"
     compile "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
+    implementation "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
+    implementation "org.mapdb:mapdb:3.0.7"
 
     compileOnly "org.spigotmc:spigot-api:$mc_version"
     compileOnly "net.md-5:bungeecord-chat:$bc_version"
diff --git a/src/main/kotlin/cf/wayzer/SuperItem/Commander.kt b/src/main/kotlin/cf/wayzer/SuperItem/Commander.kt
index 87fe608..8f773c1 100644
--- a/src/main/kotlin/cf/wayzer/SuperItem/Commander.kt
+++ b/src/main/kotlin/cf/wayzer/SuperItem/Commander.kt
@@ -143,11 +143,23 @@ class Commander : CommandExecutor {
             s.sendMessage("§c请输入Path")
             return
         }
-        if (!File(ItemManager.rootDir,args[1]).exists()){
-            s.sendMessage("§c请输入Path")
-            return
-        }
-        TODO("From path to get item name")
+        val file = File(ItemManager.rootDir,args[1])
+        if (!file.exists())
+            return s.sendMessage("§c请输入Path")
+        if(file.extension!="kts")
+            return s.sendMessage("§c只有脚本允许重载")
+        val name = file.name.removeSuffix(".superitem.kts")
+        ItemManager.getItem(name)?.let{
+            s.sendMessage("§a发现旧实例存在，尝试卸载")
+            ItemManager.unregisterItem(it)
+            s.sendMessage("§a发现旧实例存在，卸载成功")
+        }
+        s.sendMessage("§a开始加载脚本，可能会有所卡顿")
+        ItemManager.loadFile(file,"")?.let {
+            ItemManager.registerItem(it)
+            return s.sendMessage("§a脚本加载成功")
+        }
+        return s.sendMessage("§c脚本加载失败，查看后台以了解错误信息")
     }
 
     private fun help(s: CommandSender) {
diff --git a/src/main/kotlin/cf/wayzer/SuperItem/Item.kt b/src/main/kotlin/cf/wayzer/SuperItem/Item.kt
index 102713c..50ce690 100644
--- a/src/main/kotlin/cf/wayzer/SuperItem/Item.kt
+++ b/src/main/kotlin/cf/wayzer/SuperItem/Item.kt
@@ -18,22 +18,38 @@ import java.util.logging.Logger
  */
 abstract class Item : Listener {
     open class Builder(override val packageName: String,override val name:String):Item(){
+        private var disableF = fun(){}
+        private var enableF = fun(){}
         override fun loadFeatures() {}
+        override fun onDisable() {
+            super.onDisable()
+            disableF()
+        }
 
-        @Suppress("unused")
-        inline fun <reified T:Event>listen(ignoreCancelled:Boolean=false, priority: EventPriority = EventPriority.NORMAL, crossinline handle:(T)->Unit){
-            Bukkit.getServer().pluginManager.registerEvent(T::class.java,this,priority, { _, event -> if(event is T)handle(event) },pluginMain,ignoreCancelled)
+        override fun onEnable() {
+            super.onEnable()
+            enableF()
         }
 
         fun register(){
             ItemManager.registerItem(this)
         }
+
+        fun bindDisable(h:()->Unit){ disableF = h }
+        fun bindEnable(h:()->Unit){ enableF = h }
     }
     /**
      * 获取默认物品
      */
     abstract fun loadFeatures()
+    open fun onEnable(){
+        enabled = true
+    }
+    open fun onDisable(){
+        enabled = false
+    }
 
+    var enabled = false
     val features : MutableMap<Class<*>,MutableList<Feature<*>>> = mutableMapOf()
 
     open val name: String
@@ -45,6 +61,17 @@ abstract class Item : Listener {
     val logger: Logger
         get() = Logger.getLogger("SI-$packageName-$name")
 
+    fun <T:Event>listen(cls:Class<T>,ignoreCancelled:Boolean=false, priority: EventPriority = EventPriority.NORMAL, handle:(T)->Unit){
+        Bukkit.getServer().pluginManager.registerEvent(cls,this,priority, { _, event ->
+            @Suppress("UNCHECKED_CAST")
+            if(enabled && cls.isInstance(event))handle(event as T)
+        },pluginMain,ignoreCancelled)
+    }
+
+    inline fun <reified T:Event>listen(ignoreCancelled:Boolean=false, priority: EventPriority = EventPriority.NORMAL, noinline handle:(T)->Unit){
+        listen(T::class.java,ignoreCancelled, priority, handle)
+    }
+
 
     /**
      * 安全的获取指定类型的feature
diff --git a/src/main/kotlin/cf/wayzer/SuperItem/ItemManager.kt b/src/main/kotlin/cf/wayzer/SuperItem/ItemManager.kt
index 2e0eae7..b69d768 100644
--- a/src/main/kotlin/cf/wayzer/SuperItem/ItemManager.kt
+++ b/src/main/kotlin/cf/wayzer/SuperItem/ItemManager.kt
@@ -5,6 +5,7 @@ import cf.wayzer.SuperItem.features.NBT
 import cf.wayzer.SuperItem.features.Permission
 import cf.wayzer.SuperItem.scripts.ScriptSupporter
 import org.bukkit.Material
+import org.bukkit.event.HandlerList
 import org.bukkit.inventory.ItemStack
 import java.io.File
 import java.net.URLClassLoader
@@ -101,6 +102,7 @@ object ItemManager {
                 main.server.pluginManager.registerEvents(it.listener, main)
             }
         }
+        item.onEnable()
         items[item.name] = item
         main.server.pluginManager.registerEvents(item, main)
         logger.info("注册物品成功: ${item.name}")
@@ -108,6 +110,8 @@ object ItemManager {
 
     fun unregisterItem(item: Item){
         items.remove(item.name,item)
+        HandlerList.unregisterAll(item)
+        item.onDisable()
         item.features.values.flatten().forEach {
             if(it is Feature.OnDisable)
                 it.onDisable(main)
diff --git a/src/main/kotlin/cf/wayzer/SuperItem/Main.kt b/src/main/kotlin/cf/wayzer/SuperItem/Main.kt
index 27ac430..0384b9a 100644
--- a/src/main/kotlin/cf/wayzer/SuperItem/Main.kt
+++ b/src/main/kotlin/cf/wayzer/SuperItem/Main.kt
@@ -1,5 +1,6 @@
 package cf.wayzer.SuperItem
 
+import cf.wayzer.SuperItem.features.DataStore
 import cf.wayzer.libraryManager.Dependency
 import cf.wayzer.libraryManager.LibraryManager
 import org.bukkit.plugin.java.JavaPlugin
@@ -20,6 +21,8 @@ class Main : JavaPlugin() {
     }
 
     override fun onDisable() {
+        DataStore.fileDB.close()
+        DataStore.memoryDB.close()
         ItemManager.getItems().toList().forEach(ItemManager::unregisterItem)
     }
 
@@ -37,6 +40,14 @@ class Main : JavaPlugin() {
                 require(Dependency("org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlinVersion"))
                 require(Dependency("org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlinVersion"))
                 require(Dependency("org.jetbrains:annotations:13.0"))
+
+                require(Dependency("org.mapdb:mapdb:3.0.7"))
+                require(Dependency("org.eclipse.collections:eclipse-collections:10.1.0"))
+                require(Dependency("org.eclipse.collections:eclipse-collections-api:10.1.0"))
+                require(Dependency("org.eclipse.collections:eclipse-collections-forkjoin:10.1.0"))
+                require(Dependency("com.google.guava:guava:28.1-jre"))
+                require(Dependency("net.jpountz.lz4:lz4:1.3.0"))
+                require(Dependency("org.mapdb:elsa:3.0.0-M5"))
                 loadToClassLoader(Main::class.java.classLoader)
             }
         }
diff --git a/src/main/kotlin/cf/wayzer/SuperItem/features/DataStore.kt b/src/main/kotlin/cf/wayzer/SuperItem/features/DataStore.kt
index 9bcf972..a93367e 100644
--- a/src/main/kotlin/cf/wayzer/SuperItem/features/DataStore.kt
+++ b/src/main/kotlin/cf/wayzer/SuperItem/features/DataStore.kt
@@ -4,6 +4,7 @@ import cf.wayzer.SuperItem.Feature
 import cf.wayzer.SuperItem.Main
 import org.bukkit.metadata.FixedMetadataValue
 import org.bukkit.metadata.Metadatable
+import org.mapdb.DBMaker
 
 interface DataStore<T>{
     fun set(o: Metadatable,value: T?)
@@ -23,5 +24,10 @@ interface DataStore<T>{
             else o.setMetadata(key,FixedMetadataValue(Main.main,value))
         }
     }
+    companion object{
+        val fileDB = DBMaker.fileDB(Main.main.dataFolder.resolve("data.mapdb"))
+                .fileMmapEnableIfSupported().transactionEnable().closeOnJvmShutdown().make()
+        val memoryDB = DBMaker.heapDB().make()
+    }
     //TODO other Store: SQL and File
 }
diff --git a/src/main/kotlin/cf/wayzer/SuperItem/features/NBT.kt b/src/main/kotlin/cf/wayzer/SuperItem/features/NBT.kt
index c15682b..05ecda4 100644
--- a/src/main/kotlin/cf/wayzer/SuperItem/features/NBT.kt
+++ b/src/main/kotlin/cf/wayzer/SuperItem/features/NBT.kt
@@ -4,7 +4,6 @@ import cf.wayzer.SuperItem.Feature
 import cf.wayzer.SuperItem.Main
 import de.tr7zw.changeme.nbtapi.NBTCompound
 import de.tr7zw.changeme.nbtapi.NBTItem
-import de.tr7zw.changeme.nbtapi.utils.nmsmappings.ReflectionMethod
 import org.bukkit.inventory.ItemStack
 import java.util.logging.Level
 
@@ -75,8 +74,7 @@ class NBT(override vararg val defaultData: AttributeModifier) : Feature<Array<ou
         fun read(item: ItemStack): NBTCompound? = NBTItem(item).let { if (it.hasNBTData()) it else null }
         fun readOrCreate(item: ItemStack): NBTCompound = NBTItem(item)
         fun write(item: ItemStack,nbt:NBTCompound){
-            val stack = ReflectionMethod.ITEMSTACK_NMSCOPY.run(null, item)
-            ReflectionMethod.ITEMSTACK_SET_TAG.run(stack, nbt.compound)
+            item.itemMeta = (nbt as NBTItem).item.itemMeta
         }
         operator fun NBTCompound.set(key:String,v:Int) {
             setInteger(key,v)
diff --git a/src/main/kotlin/cf/wayzer/SuperItem/scripts/CompilationConfiguration.kt b/src/main/kotlin/cf/wayzer/SuperItem/scripts/CompilationConfiguration.kt
index 377ec2c..14f7860 100644
--- a/src/main/kotlin/cf/wayzer/SuperItem/scripts/CompilationConfiguration.kt
+++ b/src/main/kotlin/cf/wayzer/SuperItem/scripts/CompilationConfiguration.kt
@@ -9,6 +9,8 @@ import java.io.File
 import java.nio.file.Paths
 import kotlin.reflect.KClass
 import kotlin.script.experimental.api.*
+import kotlin.script.experimental.host.FileBasedScriptSource
+import kotlin.script.experimental.host.FileScriptSource
 import kotlin.script.experimental.jvm.JvmScriptCompilationConfigurationBuilder
 import kotlin.script.experimental.jvm.dependenciesFromClassloader
 import kotlin.script.experimental.jvm.jvm
@@ -18,29 +20,53 @@ import kotlin.script.experimental.jvm.util.classpathFromClass
 object CompilationConfiguration: ScriptCompilationConfiguration({
     jvm {
         dependenciesFromClassloader(
-                "kotlin-stdlib"
+                "kotlin-stdlib",
+                "mapdb"
                 ,classLoader = ScriptLoader::class.java.classLoader)
         dependenciesFromClass(Bukkit::class, Item::class)
     }
-    defaultImports(Item::class, ImportClass::class,MavenDepends::class,Material::class)
+    defaultImports(Item::class, ImportClass::class,MavenDepends::class,ImportScript::class,Material::class)
     defaultImports.append("cf.wayzer.SuperItem.features.*")
     refineConfiguration{
-        onAnnotations(ImportClass::class){ context->
-            val annotations = context.collectedData?.get(ScriptCollectedData.foundAnnotations)?.filter { it.annotationClass== ImportClass::class }?: listOf()
-            val classes = annotations.map { Class.forName((it as ImportClass).name).kotlin}
-            val diagnostics = classes.map { ScriptDiagnostic("[Info]PluginDependency: ${it.java.name}",ScriptDiagnostic.Severity.INFO) }
-            ScriptCompilationConfiguration(context.compilationConfiguration) {
-                jvm {
-                    dependenciesFromClass(*classes.toTypedArray())
+        onAnnotations(ImportClass::class,MavenDepends::class,ImportScript::class) {context->
+            val annotations = context.collectedData?.get(ScriptCollectedData.foundAnnotations)
+            val diagnostics = mutableListOf<ScriptDiagnostic>()
+            val scriptBaseDir = (context.script as? FileBasedScriptSource)?.file?.parentFile
+
+            val importClasses = mutableListOf<KClass<out Any>>()
+            val dependencies = mutableListOf<Dependency>()
+            val importScriptSources = mutableListOf<FileScriptSource>()
+
+            annotations?.forEach {
+                when(it){
+                    is ImportClass -> {
+                        try {
+                            Class.forName(it.name).kotlin.also {cls->
+                                importClasses.add(cls)
+                                diagnostics.add(ScriptDiagnostic("[Info]PluginDependency: ${cls.java.name}",ScriptDiagnostic.Severity.INFO))
+                            }
+                        }catch (e : ClassNotFoundException){
+                            diagnostics.add(ScriptDiagnostic("Can't find ImportClass: ${it.name}",ScriptDiagnostic.Severity.FATAL))
+                        }
+                    }
+                    is MavenDepends -> {
+                        Dependency(it.name,it.repo).also {d->
+                            dependencies.add(d)
+                            ScriptDiagnostic("[Info]MavenDependency: $d",ScriptDiagnostic.Severity.INFO)
+                        }
+                    }
+                    is ImportScript -> {
+                        importScriptSources.add(FileScriptSource(scriptBaseDir?.resolve(it.path) ?: File(it.path)))
+                        ScriptDiagnostic("[Info]ImportScript: ${it.path}",ScriptDiagnostic.Severity.INFO)
+                    }
                 }
-            }.asSuccess(diagnostics)
-        }
-        onAnnotations(MavenDepends::class){ context->
-            val annotations = context.collectedData?.get(ScriptCollectedData.foundAnnotations)?.filter { it.annotationClass== MavenDepends::class }?: listOf()
-            val dependencies = annotations.map {Dependency((it as MavenDepends).name,it.repo)}
-            val diagnostics = dependencies.map { ScriptDiagnostic("[Info]MavenDependency: $it",ScriptDiagnostic.Severity.INFO) }
+            }
             ScriptCompilationConfiguration(context.compilationConfiguration) {
+                defaultImports.invoke(*importClasses.toTypedArray())
                 jvm {
+                    dependenciesFromClass(*importClasses.toTypedArray())
+
+                    if(dependencies.isNotEmpty())
                     LibraryManager(Paths.get("lib")).apply {
                         addAliYunMirror()
                         dependencies.forEach {
@@ -50,6 +76,7 @@ object CompilationConfiguration: ScriptCompilationConfiguration({
                         updateClasspath(loadFiles())
                     }
                 }
+                importScripts.append(importScriptSources)
             }.asSuccess(diagnostics)
         }
     }
diff --git a/src/main/kotlin/cf/wayzer/SuperItem/scripts/ImportScript.kt b/src/main/kotlin/cf/wayzer/SuperItem/scripts/ImportScript.kt
new file mode 100644
index 0000000..0847231
--- /dev/null
+++ b/src/main/kotlin/cf/wayzer/SuperItem/scripts/ImportScript.kt
@@ -0,0 +1,8 @@
+package cf.wayzer.SuperItem.scripts
+
+@Target(AnnotationTarget.FILE)
+@Retention(AnnotationRetention.SOURCE)
+@Repeatable
+annotation class ImportScript (
+        val path:String
+)