product intro 替换

@@ -348,7 +348,12 @@ let getintroIntro = (data) => {
 
         result = result('#productDesc');
 
-        return result.html();
+        return result.html().replace(/<img src=/g, '<img class="lazy" src="data:image/gif;' +
+            'base64,R0lGODlhAQABAJEAAAAAAP///93d3f///yH5BAEAAAMALAAAAAABAAEAAAICVAEAOw=="' +
+            ' data-original=').replace(/<img border="0" src=/g, '<img border="0" class="lazy" ' +
+            'src="data:image/gif;base64,' +
+            'R0lGODlhAQABAJEAAAAAAP///93d3f///yH5BAEAAAMALAAAAAABAAEAAAICVAEAOw=="' +
+            ' data-original=');
     });
 };