save project

diy2.py

@@ -9,6 +9,7 @@ while True:
         break
         break
     if name!=username:
     if name!=username:
         print('账号输入错误')
         print('账号输入错误')
+        print("")
         continue
         continue
     if name!=userpassword:
     if name!=userpassword:
         print('密码输入错误')
         print('密码输入错误')