save project

diy2.py

@@ -11,6 +11,7 @@ while True:
             break
             break
         elif name!=username:  
         elif name!=username:  
             print("用户名请重新输入")
             print("用户名请重新输入")
+            continue
         elif password!=userpassword:
         elif password!=userpassword:
             print("账户密码错误")
             print("账户密码错误")
             exit()        
             exit()