不知为何这个JQ事件总是执行两次，如何修正？
不知为何这个JQ事件总是执行两次，如何修正？

		$("fieldset[data-FormUi=radio]").on("click",function(e){

			var target = $(e.currentTarget),

			tagName = target.attr("name"),

			stuta = target.attr("data-activity");

			/*判断当前状态*/

			if(stuta == undefined)

				stuta = false;

			else

				stuta =  Boolean(stuta);

				

			/*修改当前状态*/

			var setStateVal = stuta ? "false":"true";

			target.attr("data-activity",setStateVal);

			

			e.stopPropagation();

		})

<div class="grid-a">
                      <div class="cell">
                          <fieldset data-FormUi="radio"  name="sexgroup">
                             <label>
                                 Man <input type="radio" value="man" name="sex" style="display:none"/>
                                </label>
                            </fieldset> 
                         </div>
                        <div class="cell"> 
                          <fieldset data-FormUi="radio" name="sexgroup">
                             <label>
                                 Woman <input type="radio" value="woman" name="sex"  style="display:none"/>
                                </label>
                            </fieldset> 
                        </div>
                     </div>