diff --git a/DragonBones/src/dragonBones/core/DragonBones.ts b/DragonBones/src/dragonBones/core/DragonBones.ts
index 5c5a962c..65295893 100644
--- a/DragonBones/src/dragonBones/core/DragonBones.ts
+++ b/DragonBones/src/dragonBones/core/DragonBones.ts
@@ -353,10 +353,6 @@ namespace dragonBones {
     }
 }
 //
-if (typeof global === "undefined") {
-    var global = window as any;
-}
-//
 if (!console.warn) {
     console.warn = function () { };
 }
@@ -381,4 +377,21 @@ var __extends: any = function (t: any, e: any) {
         }
     }
     r.prototype = e.prototype, t.prototype = new (r as any)();
-};
\ No newline at end of file
+};
+//
+if (typeof global === "undefined") {
+    var global = window as any;
+}
+//
+declare var exports: any;
+declare var module: any;
+declare var define: any;
+if (typeof exports === "object" && typeof module === "object") {
+    module.exports = dragonBones;
+}
+else if (typeof define === "function" && define["amd"]) {
+    define(["dragonBones"], function () { return dragonBones; });
+}
+else if (typeof exports === "object") {
+    exports["dragonBones"] = dragonBones;
+}
\ No newline at end of file