save project

jsk.py

@@ -6,10 +6,9 @@ while True:
         if name==username and password==Userpassword:
             print("登录成功")
             break
-        print("用户名或密码错误！请重新输入")
-    print("欢迎来到贝尔编程")
-    if name!=username:
-        print("用户名不存在")
-    if password!=Userpassword:
-        print ("密码输入错误！")
+        if name!=username:
+            print("用户名不存在")
+            continue
+        if password!=Userpassword:
+            print ("密码输入错误！")
 print("欢迎来到贝尔编程")
\ No newline at end of file