爬虫限制重构规则策略

@@ -11,11 +11,7 @@ const IP_WHITE_LIST = [
 ];
 
 const limiter = (rule, policy, context) => {
-    return rule({
-        req: context.req,
-        res: context.res,
-        next: context.next
-    }, policy);
+    return rule(context, policy);
 };
 
 module.exports = (req, res, next) => {