diff --git a/cocos2d/core/platform/CCEGLView.js b/cocos2d/core/platform/CCEGLView.js
index 8b55e7cf9f..9f73ed913c 100644
--- a/cocos2d/core/platform/CCEGLView.js
+++ b/cocos2d/core/platform/CCEGLView.js
@@ -204,9 +204,9 @@ cc.EGLView = cc.Class.extend(/** @lends cc.view# */{
     // Resize helper functions
     _resizeEvent: function () {
         var view;
-        if(this.setDesignResolutionSize){
+        if (this.setDesignResolutionSize) {
             view = this;
-        }else{
+        } else {
             view = cc.view;
         }
 
@@ -222,8 +222,9 @@ cc.EGLView = cc.Class.extend(/** @lends cc.view# */{
         }
         var width = view._originalDesignResolutionSize.width;
         var height = view._originalDesignResolutionSize.height;
-        if (width > 0)
+        if (width > 0) {
             view.setDesignResolutionSize(width, height, view._resolutionPolicy);
+        }
     },
 
     /**
@@ -339,6 +340,8 @@ cc.EGLView = cc.Class.extend(/** @lends cc.view# */{
     _adjustViewportMeta: function () {
         if (this._isAdjustViewPort) {
             this._setViewportMeta(cc.__BrowserGetter.meta, false);
+            // Only adjust viewport once
+            this._isAdjustViewPort = false;
         }
     },
 
diff --git a/cocos2d/kazmath/vec3.js b/cocos2d/kazmath/vec3.js
index a860d82e83..d9eafbee2f 100644
--- a/cocos2d/kazmath/vec3.js
+++ b/cocos2d/kazmath/vec3.js
@@ -51,7 +51,7 @@
         return new cc.math.Vec3(x, y, z);
     };
 
-    var _p = cc.math.Vec3._ptype;
+    var _p = cc.math.Vec3.prototype;
 
     _p.fill = function (x, y, z) {    // =cc.kmVec3Fill
         if (x && y === undefined) {