去除验签

@@ -398,6 +398,8 @@ public class ProductController {
     }
 
     @RequestMapping("/product/clearCache")
+    @IgnoreSignature
+    @IgnoreSession
     public ApiResponse clearProductCaches(
             @RequestParam(value = "skup", required = true) Integer skup) {
         LOG.info("in method=ufo.product.clearCache skup={}", skup);