fix js

@@ -183,8 +183,31 @@ function tabInit() {
         var tabs = $this.find('a.anchor');
         var curTab = $this.find('a.anchor.active').attr('tab');
 
-        store.tab.tabs = tabs;
+        if ($this.hasClass('tab-fix')) {
+            store.tab.tabs = tabs;
+        }
+
+        let tabnames = tabs.map(function(i, el) {
+            return $(el).attr('tab');
+        }).get();
+
+        // 初始化选择状态
+        $('div[tabname]').each(function(index, el) {
+            let $el = $(el);
+            let tname = $el.attr('tabname');
+
+            if (!tabnames.includes(tname)) {
+                return;
+            }
+
+            if ($el.attr('tabname') === curTab) {
+                $el.show();
+            } else {
+                $el.hide();
+            }
+        });
 
+        // 绑定单击事件
         tabs.on('click', function() {
             var tab = $(this);
             var tabname = tab.attr('tab');
@@ -201,25 +224,19 @@ function tabInit() {
 
             $('div[tabname]').each(function(index, el) {
                 let $el = $(el);
+                let tname = $el.attr('tabname');
 
-                if ($el.attr('tabname') === tabname) {
+                if (!tabnames.includes(tname)) {
+                    return;
+                }
+
+                if (tname === tabname) {
                     $el.show();
                 } else {
                     $el.hide();
                 }
             });
         });
-
-
-        $('div[tabname]').each(function(index, el) {
-            let $el = $(el);
-
-            if ($el.attr('tabname') === curTab) {
-                $el.show();
-            } else {
-                $el.hide();
-            }
-        });
     });
 }
 

@@ -120,7 +120,7 @@
     .feature-product-info {
         float: left;
         width: 288px;
-        margin-right: 20px;
+        margin-right: 24px;
         margin-top: 25px;
         overflow: hidden;