diff --git a/pom.xml b/pom.xml
index eb27782..c8a968f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>pw.yumc</groupId>
     <artifactId>MiaoScript</artifactId>
-    <version>0.6.0</version>
+    <version>0.6.5</version>
     <developers>
         <developer>
             <id>502647092</id>
diff --git a/src/main/resources/core/ployfill.js b/src/main/resources/core/ployfill.js
index 725fe9d..ebd40bd 100644
--- a/src/main/resources/core/ployfill.js
+++ b/src/main/resources/core/ployfill.js
@@ -11,7 +11,14 @@
         global.engineLoad = load;
         global.noop = global.engineDisable = engineDisable = function () { };
         global.load = load = function __PreventGlobalLoadFunction__() { throw new Error('Internal engine system not allow use `load` function!'); }
-        global.setGlobal = function (key, value) { global[key] = value; };
+        global.setGlobal = function (key, value, config) {
+            if (config) {
+                config.value = value;
+                Object.defineProperty(global, key, config)
+            } else {
+                global[key] = value;
+            }
+        };
         // Init console and require
         global.console = engineLoad('classpath:core/console.js')(logger);
         console.log("Loading Engine at Thread", java.lang.Thread.currentThread().name)