save project

diy2.py

@@ -8,6 +8,7 @@ while True:
         break
         break
     if username != name:
     if username != name:
         print("账号输入错误")
         print("账号输入错误")
+        continue("")
     if userpassword != password:
     if userpassword != password:
         print("密码错误")   
         print("密码错误")   
     print("用户名和密码错误!请重新输入")
     print("用户名和密码错误!请重新输入")