diff --git a/packages/bukkit/src/enhance/chat.ts b/packages/bukkit/src/enhance/chat.ts
index a058107f..e9fce741 100644
--- a/packages/bukkit/src/enhance/chat.ts
+++ b/packages/bukkit/src/enhance/chat.ts
@@ -13,8 +13,7 @@ let downgrade = false
 /**
  * 获取NMS版本
  */
-//@ts-ignore
-let nmsVersion = org.bukkit.Bukkit.server.class.name.split('.')[3]
+let nmsVersion = undefined
 /**
  * 获取NMS类
  */
@@ -47,6 +46,8 @@ function remapFieldName(clazz: any, origin: string, test: string) {
 }
 
 function init() {
+    //@ts-ignore
+    nmsVersion = org.bukkit.Bukkit.server.class.name.split('.')[3]
     try {
         RemapUtils = Java.type('catserver.server.remapper.RemapUtils')
     } catch (ex) {
diff --git a/packages/plugin/src/config.ts b/packages/plugin/src/config.ts
index 26b6aea9..230b7836 100644
--- a/packages/plugin/src/config.ts
+++ b/packages/plugin/src/config.ts
@@ -43,7 +43,7 @@ function loadConfig(plugin: plugin.Plugin) {
                 base.save(configFile, configFactory.dump(plugin[config.variable]))
                 console.i18n("ms.plugin.manager.config.save.default", { plugin: plugin.description.name, name: config.name, format: config.format })
             } else {
-                plugin[config.variable] = configFactory.load(base.read(configFile))
+                Object.defineProperty(plugin, config.variable, { value: configFactory.load(base.read(configFile)) })
                 plugin[config.variable].save = () => {
                     let result = configFactory.dump(plugin[config.variable])
                     base.save(configFile, result)