diff --git a/cocos/physics3d/CCPhysics3DConstraint.h b/cocos/physics3d/CCPhysics3DConstraint.h
index afad5ce3ad..448d540dd5 100644
--- a/cocos/physics3d/CCPhysics3DConstraint.h
+++ b/cocos/physics3d/CCPhysics3DConstraint.h
@@ -177,8 +177,6 @@ public:
 CC_CONSTRUCTOR_ACCESS:
     Physics3DPointToPointConstraint();
     virtual ~Physics3DPointToPointConstraint();
-    
-protected:
     bool init(Physics3DRigidBody* rbA, const cocos2d::Vec3& pivotPointInA);
     bool init(Physics3DRigidBody* rbA, Physics3DRigidBody* rbB, const cocos2d::Vec3& pivotPointInA, const cocos2d::Vec3& pivotPointInB);
     
diff --git a/cocos/scripting/js-bindings/script/3d/jsb_cocos2d_3d.js b/cocos/scripting/js-bindings/script/3d/jsb_cocos2d_3d.js
index a975a559ca..7e23bb8ba0 100644
--- a/cocos/scripting/js-bindings/script/3d/jsb_cocos2d_3d.js
+++ b/cocos/scripting/js-bindings/script/3d/jsb_cocos2d_3d.js
@@ -339,4 +339,17 @@ jsb.Physics3DComponent.prototype._ctor = function(physicsObj, translateInPhysics
     this.init();
     this.setPhysics3DObject(physicsObj);
     this.setTransformInPhysics(translateInPhysics, rotInPhsyics);
+}
+
+jsb.Physics3DPointToPointConstraint.prototype._ctor = function(first, second, third, fourth){
+    if (arguments.length == 2 ) {
+        this.init(first, second);
+    }
+    else if (arguments.length == 4 ) {
+        this.init(first, second, third, fourth);
+    }
+    else
+    {
+        throw new Error("error arguments");
+    }
 }
\ No newline at end of file
diff --git a/tests/js-tests/src/Physics3DTest/Physics3DTest.js b/tests/js-tests/src/Physics3DTest/Physics3DTest.js
index 1eff7180f2..23f68bc9fd 100644
--- a/tests/js-tests/src/Physics3DTest/Physics3DTest.js
+++ b/tests/js-tests/src/Physics3DTest/Physics3DTest.js
@@ -319,7 +319,7 @@ var Physics3DConstraintDemo = Physics3DTestDemo.extend({
         this._world = physicsScene.getPhysics3DWorld();
 
         //create point to point constraint
-        var constraint = jsb.Physics3DPointToPointConstraint.create(rigidBody, cc.math.vec3(2.5, 2.5, 2.5));
+        var constraint = new jsb.Physics3DPointToPointConstraint(rigidBody, cc.math.vec3(2.5, 2.5, 2.5));
         this._world.addPhysics3DConstraint(constraint);
 
         //create hinge constraint
@@ -437,7 +437,7 @@ var Physics3DConstraintDemo = Physics3DTestDemo.extend({
                 var mat = cc.math.mat4GetInversed(result.hitObj.getWorldTransform());
                 var position =  cc.math.mat4TransformPoint(mat, result.hitPosition);
 
-                this._constraint = jsb.Physics3DPointToPointConstraint.create(result.hitObj, position);
+                this._constraint = new jsb.Physics3DPointToPointConstraint(result.hitObj, position);
                 this._world.addPhysics3DConstraint(this._constraint, true);
                 this._pickingDistance = cc.math.vec3Length(cc.math.vec3Sub(result.hitPosition, nearP));
                 return;