save project

diy2.py

@@ -13,6 +13,7 @@ while True:
 
 
     if name!=username:
     if name!=username:
         print("用户名输入错误，请重新输入:")
         print("用户名输入错误，请重新输入:")
+        continue
     if password!=userpassword:
     if password!=userpassword:
         print("密码输入错误，请重新输入:")
         print("密码输入错误，请重新输入:")