合5.5.1swiper增加判断

@@ -23,13 +23,15 @@ if ($('.recommend-for-you').length) {
 require('common/suspend-cart');
 require('common/footer');
 
-new Swiper('.banner-center-swiper', {
-    pagination: '.swiper-pagination',
-    lazyLoading: true,
-    lazyLoadingInPrevNext: true,
-    paginationClickable: true,
-    autoplay: 3000
-});
+if ($('.banner-center-swiper').length > 0) {
+    new Swiper('.banner-center-swiper', {
+        pagination: '.swiper-pagination',
+        lazyLoading: true,
+        lazyLoadingInPrevNext: true,
+        paginationClickable: true,
+        autoplay: 3000
+    });
+}
 
 window.reMarginFooter('.footer-tab');