fix bug

themes/simplebootx/Appapi/Auth/authstep.html

@@ -164,6 +164,7 @@
                     success: function (data) {
                         data = data.replace(/<[^>]+>/g, "");
                         var str = JSON.parse(data);
+                        $('#' + id).val('');
                         if (_this.uploadName === 'front_view') {
                             _this.form.front_view = str.data.url;
                         }