diff --git a/src/main/resources/core/init.js b/src/main/resources/core/init.js
index ea56c94..cbd3ad5 100644
--- a/src/main/resources/core/init.js
+++ b/src/main/resources/core/init.js
@@ -31,6 +31,8 @@ function loadCore() {
     // 加载基础模块
     load(core_dir + '/ext.js');
     load(core_dir + '/console.js');
+    // 加载补丁和扩展
+    load(core_dir + '/patch.js');
 }
 
 /**
@@ -44,14 +46,14 @@ function loadRequire() {
 function loadLib4Bukkit() {
     require('modules/event');
     var task = require('modules/task');
-    global.setTimeout = function (func, time) {
-        return task.later(func, time)
+    global.setTimeout = function (func, time, async) {
+        return async ? task.laterAsync(func, time) : task.later(func, time);
     };
     global.clearTimeout = function (task) {
         task.cancel();
     };
-    global.setInterval = function (func, time) {
-        return task.timer(func, time)
+    global.setInterval = function (func, time, async) {
+        return async ? task.timerAsync(func, time) : task.timer(func, time);
     };
     global.clearInterval = function (task) {
         task.cancel();
diff --git a/src/main/resources/core/patch.js b/src/main/resources/core/patch.js
new file mode 100644
index 0000000..f05898f
--- /dev/null
+++ b/src/main/resources/core/patch.js
@@ -0,0 +1,9 @@
+/**
+ * 补丁和方法扩展
+ */
+
+// JSON快捷方法
+Object.prototype.toJson = function(){ return JSON.stringify(this); }
+
+// YAML快速生成
+Object.prototype.toYaml = function(){ return require('modules/yaml').safeDump(plugin.config); }
\ No newline at end of file