diff --git a/practice_code/idea/Student _Manage _System/main.c b/practice_code/idea/Student _Manage _System/main.c
index 95e117f..5debb85 100644
--- a/practice_code/idea/Student _Manage _System/main.c	
+++ b/practice_code/idea/Student _Manage _System/main.c	
@@ -11,60 +11,156 @@
 //初始化全局变量
 bool pick_revision = true;//初始化文件是否修改
 bool pick_view_mode = false;//视图模式
-unsigned int Total =0;//初始化学生总数
+unsigned int Total = 0;//初始化学生总数
+
+static struct Snake
+{
+    //0为y,1为x
+    int head[2];
+    int body[2];
+    int tail[2];
+};
+
+struct Snake snake ;
+
+static void printf_main ( void )//主页菜单
+{
+    HideCursor ( );//隐藏光标
+    system ( "cls" );//清屏
+
+    CursorJump ( 8 , 50 );
+    color ( 2 );//设置颜色
+    printf ( "欢迎使用学生管理系统" );
+    CursorJump ( 9 , 48 );
+    color ( 4 );//设置颜色
+    printf ( "按下相应按键进入对应模式" );
+
+    CursorJump ( 10 , 47 );
+    for ( int i = 0 ; i < 26 ; ++ i )
+    {
+        color ( 7 );//设置颜色
+        printf ( "-" );
+    }
+
+    CursorJump ( 11 , 52 );
+    color ( 1 );//设置颜色
+    printf ( "[Enter]" );
+    color ( 7 );//设置颜色
+    printf ( " 进入程序\n" );
+    CursorJump ( 12 , 52 );
+    color ( 1 );//设置颜色
+    printf ( "[M]" );
+    color ( 7 );//设置颜色
+    printf ( "\t    课程管理" );
+
+    CursorJump ( 13 , 52 );
+    color ( 1 );//设置颜色
+    printf ( "[ESC]" );
+    color ( 7 );//设置颜色
+    printf ( "   退出程序\n" );
+
+    for ( int i = 6 ; i <= 15 ; ++ i )
+    {
+        for ( int j = 45 ; j <= 74 ; ++ j )
+        {
+            if ( i == 6 || i == 15 || j == 45 || j == 74 )
+            {
+                CursorJump ( i , j );
+                color ( 7 );//设置颜色
+                printf ( "■" );
+            }
+        }
+    }
+}
+
+static void move_snake(void)//移动小蛇
+{
+    Sleep (80);
+    CursorJump ( snake.tail[0] , snake.tail[1] );
+    printf (" ");
+    snake.tail[0]=snake.body[0];
+    snake.tail[1]=snake.body[1];
+    snake.body[0]=snake.head[0];
+    snake.body[1]=snake.head[1];
+    if(snake.head[0]==6&&snake.head[1]<74)
+    {
+        snake.head[1]++;
+    }
+    else if(snake.head[1]==74&&snake.head[0]<15)
+    {
+        snake.head[0]++;
+    }
+    else if(snake.head[0]==15&&snake.head[1]>45)
+    {
+        snake.head[1]--;
+    }
+    else if(snake.head[1]==45&&snake.head[0]>7)
+    {
+        snake.head[0]--;
+    }
+    else
+    {
+        snake.tail[0]=6;
+        snake.tail[1]=45;
+        snake.body[0]=6;
+        snake.body[1]=46;
+        snake.head[0]=6;
+        snake.head[1]=47;
+        printf_main();
+    }
+    color ( 13 );//设置颜色
+    CursorJump ( snake.tail[0] , snake.tail[1] );
+    printf ("□");
+    CursorJump ( snake.body[0] , snake.body[1] );
+    printf ("□");
+    CursorJump ( snake.head[0] , snake.head[1] );
+    printf ("■");
+}
+
+
 
 //主函数
 int main ( void )
 {
     //定义变量
-    static char start_pick='0';//开始的选择
-    srand((unsigned)time(NULL));
-    while(1)
+    static char start_pick = '0';//开始的选择
+    snake.head[0]=7;
+    snake.head[1]=45;
+    srand ( ( unsigned ) time ( NULL ) );
+    while ( 1 )
     {
-        //打印菜单
-        HideCursor ();//隐藏光标
-        system ( "cls" );//清屏
-        printf ( "\n\n\n\n\n\n\n\n" );
-        color(2);//设置颜色
-        printf ("\t\t\t\t\t\t    欢迎使用学生管理系统\n");
-
-        printf ("\t\t\t\t\t\t");
-        for ( int i = 0 ; i < 28 ; ++ i )
-        {
-            color(rand()%9+1);//设置颜色
-            printf ("■");
-        }
-        printf("\n");
-        color(1);//设置颜色
-        printf ("\t\t\t\t\t\t[Enter]");
-        color(7);//设置颜色
-        printf ("  进入程序\n");
-        color(1);//设置颜色
-        printf ( "\t\t\t\t\t\t[ESC]" );
-        color(7);//设置颜色
-        printf ("    退出程序\n");
-        color(4);//设置颜色
-        printf ("\t\t\t\t\t\t按下相应按键进入对应模式\n");
+        move_snake();//移动小蛇
         //获取用户的输入
-        if(_kbhit())
+        if ( _kbhit ( ) )
         {
-            start_pick=(char)_getch();
+            start_pick = ( char ) _getch ( );
         }
         //判断用户输入
-        switch(start_pick)
+        switch ( start_pick )
         {
             case ENTER:
             {
-                start_pick='0';
-                system_start();//管理系统主页
+                start_pick = '0';
+                system_start ( );//管理系统主页
+                snake.head[0]=7;
+                snake.head[1]=45;
                 break;
             }
+            case 'm':
+            case 'M':
+            {
+                start_pick = '0';
+                system_start ( );//管理系统主页
+                snake.head[0]=7;
+                snake.head[1]=45;
+                break;
+            }
+
             case ESC:
             {
                 return 0;
             }
         }
-        Sleep(2);
     }
     return 0;
 }
\ No newline at end of file
diff --git a/practice_code/idea/Student _Manage _System/page_newly_built.c b/practice_code/idea/Student _Manage _System/page_newly_built.c
index fb9a4bf..fed8c2b 100644
--- a/practice_code/idea/Student _Manage _System/page_newly_built.c	
+++ b/practice_code/idea/Student _Manage _System/page_newly_built.c	
@@ -9,5 +9,5 @@
 
 void newly_built(void)
 {
-
+    //
 }
\ No newline at end of file