diff --git a/main.py b/main.py
index 8d2b06b..0e8569a 100644
--- a/main.py
+++ b/main.py
@@ -332,7 +332,7 @@ class CKWK:
                 # print(self.courses)
                 # os._exit(0)
                 for l in self.courses:
-                    if "已学" in l.get("state", "") :
+                    if "已学" in l.get("state", ""):
                         self.log(
                             f'{l.get("name", "")} --> {l.get("id", "")} --> 已经学习过了'
                         )
@@ -381,9 +381,7 @@ if __name__ == "__main__":
         print(f"{i+1}: {h[0]} {h[1]}")
     c = int(input("请选择刷课平台: ")) - 1
     u = os.environ.get("YURU_ACCOUNT", "")
-    p = os.environ.get(
-        "YURU_PASSWORD",
-    )
+    p = os.environ.get("YURU_PASSWORD", "")
     if u == "":
         u = input("请输入账号: ")
     if p == "":