ajaxForm使用codeigniter插入图像到图像文件夹不工作

Hi i have this form which i uses ajaxForm to submit my images in the images folder. I already have the library for the ajaxForm when i tried to upload an image, ive noticed that the image i upload will not upload to assets/uploads folder ive tried to print_r the path but it displays the filename of an image but will not insert to assets/uploads folder here's my view belowHi i have this form which i uses ajaxForm to su