diff --git a/README.md b/README.md
index e8e8dec..c6aa491 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@
 
 > 程序会自动填充 `URL` 尾部的 `xtgl/login_slogin.html`，因此你无需重复添加
 
-> 对于部分教务系统，可能需要在 `URL` 中添加 `jwglxt` 路径，如：`https://www.klaio.top/jwglxt/`
+> 对于部署在 `jwglxt` 路径下的教务系统，程序会在根路径登录页不存在时自动尝试该路径；也可以直接填写完整地址，如：`https://www.klaio.top/jwglxt/`
 
 | Name     | 例子                   | 说明                                                                      |
 | -------- | ---------------------- | ------------------------------------------------------------------------- |
diff --git a/scripts/get_grade.py b/scripts/get_grade.py
index 80e4e9d..b740728 100644
--- a/scripts/get_grade.py
+++ b/scripts/get_grade.py
@@ -20,7 +20,8 @@ def get_grade(student_client, output_type="none"):
         while attempts > 0:
 
             # 调用student_client的get_grade方法获取成绩信息
-            grade_data = student_client.get_grade().get("data", {})
+            # 学生成绩查询目前使用 cjcx_cxDgXscj 接口
+            grade_data = student_client.get_grade(use_personal_info=True).get("data", {})
             grade = grade_data.get("courses", [])
 
             # 如果grade不为空，跳出循环
diff --git a/scripts/zfn_api.py b/scripts/zfn_api.py
index f2a637f..e8f2416 100644
--- a/scripts/zfn_api.py
+++ b/scripts/zfn_api.py
@@ -5,7 +5,7 @@ import re
 import time
 import traceback
 import unicodedata
-from urllib.parse import urljoin
+from urllib.parse import urljoin, urlparse
 import requests
 import rsa
 from pyquery import PyQuery as pq
@@ -34,7 +34,6 @@ class Client:
 
     def __init__(self, cookies={}, **kwargs):
         # 基础配置
-        self.base_url = kwargs.get("base_url")
         self.raspisanie = kwargs.get("raspisanie", RASPIANIE)
         self.ignore_type = kwargs.get("ignore_type", [])
         self.detail_category_type = kwargs.get("detail_category_type", [])
@@ -42,23 +41,32 @@ class Client:
         Client.raspisanie = self.raspisanie
         Client.ignore_type = self.ignore_type
 
-        self.key_url = urljoin(self.base_url, "xtgl/login_getPublicKey.html")
-        self.login_url = urljoin(self.base_url, "xtgl/login_slogin.html")
-        self.kaptcha_url = urljoin(self.base_url, "kaptcha")
         self.headers = requests.utils.default_headers()
-        self.headers["Referer"] = self.login_url
         self.headers["User-Agent"] = "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36"
         self.headers["Accept"] = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3"
+        self._set_base_url(kwargs.get("base_url"))
         self.sess = requests.Session()
         self.sess.keep_alive = False
         self.cookies = cookies
 
+    def _set_base_url(self, base_url):
+        """规范化教务系统根地址并同步登录相关接口。"""
+        self.base_url = base_url.rstrip("/") + "/"
+        self.key_url = urljoin(self.base_url, "xtgl/login_getPublicKey.html")
+        self.login_url = urljoin(self.base_url, "xtgl/login_slogin.html")
+        self.kaptcha_url = urljoin(self.base_url, "kaptcha")
+        self.headers["Referer"] = self.login_url
+
     def login(self, sid, password):
         """登录教务系统"""
         need_verify = False
         try:
             # 登录页
             req_csrf = self.sess.get(self.login_url, headers=self.headers, timeout=self.timeout)
+            # 部分学校将正方系统部署在 /jwglxt/ 下；根路径登录页不存在时自动兼容
+            if req_csrf.status_code == 404 and urlparse(self.base_url).path in ("", "/"):
+                self._set_base_url(urljoin(self.base_url, "jwglxt/"))
+                req_csrf = self.sess.get(self.login_url, headers=self.headers, timeout=self.timeout)
             if req_csrf.status_code != 200:
                 return {"code": 2333, "msg": "教务系统挂了"}
             # 获取csrf_token