save project

a.py

@@ -8,6 +8,10 @@ while True:
         print("登录成功")
         time.sleep(1)
         break
-    else:
-        print("登陆失败")
+    elif name!=username and userpassword!=password:
+        print("用户名和密码错误！")
+    elif name!=username:
+        print("用户名错误！")
+    elif userpassword!=password:
+        print("密码错误！")
 print("欢迎来到贝尔编程")
\ No newline at end of file