diff --git a/lib/v2/swjtu/jyzpxx.js b/lib/v2/swjtu/jyzpxx.js
index ffb800c8b..96a534746 100644
--- a/lib/v2/swjtu/jyzpxx.js
+++ b/lib/v2/swjtu/jyzpxx.js
@@ -4,9 +4,10 @@ const got = require('@/utils/got');
 const rootURL = 'https://jiuye.swjtu.edu.cn/career';
 
 module.exports = async (ctx) => {
+    const limit = Math.min(ctx.query.limit ?? 10, 50);
     const resp = await got({
         method: 'post',
-        url: `${rootURL}/zpxx/search/zpxx/1/30`,
+        url: `${rootURL}/zpxx/search/zpxx/1/${limit}`,
     });
 
     const list = resp.data.data.list;