text: function saveThumb() {
  	$.ajaxFileUpload({
  		url: "/adm/expert/upload-doc-thumb",
  		secureuri: false,
  		fileElementId: "upload_file",
  		dataType: "json",
  		data:{_token:$("#_token").val()},
  		success: function(data, status) {
  			if(data.success){
  			$("#photo").val(data.photo);
  			$("#thumb").attr("src", data.photo);
  			alert("上传成功");
  		}else{
  			alert(data.msg);}
  		}
  	})
  }