// 新增節點資料
        let reference: FIRDatabaseReference! = FIRDatabase.database().reference().child("movieReviews").child("movieId-0000001")
        let childRef: FIRDatabaseReference = reference.childByAutoId() // 隨機生成的節點唯一識別碼，用來當儲存時的key值

        var movieReview: [String : AnyObject] = [String : AnyObject]()
        movieReview["movieId"] = "movieId-0000001" as AnyObject
        movieReview["childId"] = childRef.key as AnyObject
        movieReview["movieName"] = "玩命關頭8" as AnyObject
        movieReview["movieReview"] = self.reViewTxtView.text as AnyObject
        movieReview["userId"] = (Properties.user?.uid)! as AnyObject
        movieReview["userEmail"] = (Properties.user?.email)! as AnyObject
        movieReview["createDate"] = "20170424" as AnyObject

        let movieReviewReference = reference.child(childRef.key)
        movieReviewReference.updateChildValues(movieReview) { (err, ref) in
            if err != nil{
                print("err： \(err!)")
                return
            }

            print(ref.description())

            // 返回上一頁
            _ = self.navigationController?.popViewController(animated: true)
        }