save project

diy2.py

@@ -8,6 +8,6 @@ while True:
         break
     if name!=username:
         print("请重新输入用户名")
-    if password!=userpassword:
+    elif password!=userpassword:
         print("请重新输入密码")
 print("欢迎来到贝尔编程!")
\ No newline at end of file