diff --git a/admin b/admin
deleted file mode 100644
index 15afa2d..0000000
Binary files a/admin and /dev/null differ
diff --git a/air b/air
deleted file mode 100644
index 351f29f..0000000
Binary files a/air and /dev/null differ
diff --git a/keshe.c b/keshe.c
index 63f3d4b..6b91b1f 100644
--- a/keshe.c
+++ b/keshe.c
@@ -672,7 +672,7 @@ void adminfunction()                     //
 		printf("\t\t6 删除航班信息\n");
 		printf("\t\t0 返回上一层\n");
 		printf("\n\n\n");
-		printf("                请输入你要进行的操作： ");
+		printf("\t\t请输入你要进行的操作： ");
 		scanf("%d",&i);
 		getchar();
 		switch(i)
@@ -770,11 +770,11 @@ void superfunction()
 		HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
 		SetConsoleTextAttribute(handle, FOREGROUND_INTENSITY| FOREGROUND_RED);
 		printf("\n\n\n\n\n\n");
-		printf("                1 添加管理员\n");
-		printf("                2 删除管理员\n"); 
-		printf("                0 返回上一层\n");
+		printf("\t\t1 添加管理员\n");
+		printf("\t\t2 删除管理员\n"); 
+		printf("\t\t0 返回上一层\n");
 		printf("\n\n\n");
-		printf("                请输入你要进行的操作： ");
+		printf("\t\t请输入你要进行的操作： ");
 		scanf("%d",&i);
 		getchar();
 		switch(i)
@@ -782,7 +782,7 @@ void superfunction()
 			case 1:s_add();
 			case 2:s_delete();
 			case 0:end=1;break;
-			default:printf("                   错误输入!请重新输入：");
+			default:printf("\t\t错误输入!请重新输入：");
 			system("pause");
 			continue;
 		}
@@ -1147,32 +1147,45 @@ void deleteair()
 	struct airstruct *airp;
 	char airname[20];
 	int exist = 0;
+	int end=0;
 	airp = airhead;
-	printf("                输入你需要删除的航班编号: ");
+	printf("\t\t输入你需要删除的航班编号(输入@退出): ");
 	while (gets(airname))
 	{
-		while (airp != NULL)
+		if(strcmp(airname,"@")==0)
 		{
-			if (strcmp(airname, airp->airname) == 0)
+			end=1;
+			break;	
+		} 
+		else
+		{
+			while (airp != NULL)
 			{
-				exist = 1;
-				break;
+				if (strcmp(airname, airp->airname) == 0)
+				{
+					exist = 1;
+					break;
+				}
+				airp = airp->next;
 			}
-			airp = airp->next;
-		}
-		if (!exist)
-		{
-			printf("\n                该航班不存在...\n");
-			printf("\n                请重新输入: ");
+			if (!exist)
+			{
+				printf("\n\t\t该航班不存在...\n");
+				printf("\n\t\t请重新输入: ");
 			 
-		}
-		else
-		{
-			printf("\n                删除成功!");
-			system("pause");
-			break;
+			}
+			else
+			{
+				printf("\n\t\t删除成功!");
+				system("pause");
+				break;
+			}
 		}
 	}
+	if(end)
+	{
+		return ;
+	}
 	deleteuser(airname);
 	airp = airhead;
 	if (strcmp(airhead->airname,airname) == 0)
@@ -1188,14 +1201,14 @@ void deleteair()
 	}
 	airp = NULL;
 	writefile(3);
-	printf("\n                输入0返回管理员界面界面: ");
+	/*printf("\n                输入0返回管理员界面界面: ");
 	int n;
 	while (1)
 	{
 		scanf("%d", &n);
 		if (n == 0)
 			break;
-	}
+	}*/
 }	
 void changeuser(char *s,char *s1,int a)
 {
@@ -1315,10 +1328,12 @@ void s_add()
 	{
 		if(admincount==0)
 		{
-			printf("请输入用户名：");
+			printf("\n\n\n\n\n\n\n");
+			printf("***************************************************************\n");
+			printf("\t\t请输入用户名：");
 			gets(adminname);
 			strcpy(adminhead->adminname, adminname);
-			printf("输入密码：");
+			printf("\n\t\t输入密码：");
 			gets(adminmm);
 			strcpy(adminhead->adminmm,adminmm);
 			adminend = adminhead;
@@ -1326,21 +1341,23 @@ void s_add()
 		}
 		else
 		{
+			printf("\n\n\n\n\n\n\n");
+			printf("***************************************************************\n");
 			p=(struct adminstruct *)malloc(sizeof(struct adminstruct));
-			printf("请输入用户名：");
+			printf("\t\t请输入用户名：");
 			gets(adminname);
 			while(1)
 			{
 				if(isexist(adminname,1))
 				{
-					printf("用户名已存在，请重新输入：");
+					printf("\t\t用户名已存在，请重新输入：");
 					gets(adminname);	
 				} 
 				else
 					break;	
 			}
 			strcpy(p->adminname, adminname);
-			printf("请输入密码：");
+			printf("\t\t请输入密码：");
 			gets(adminmm);
 			strcpy(p->adminmm, adminmm);
 			adminend->next = p;
@@ -1374,30 +1391,39 @@ void s_delete()
 	struct adminstruct *adminp;
 	char adminname[20];
 	int exist = 0;
+	int end=0; 
 	adminp = adminhead;
-	printf("输入你需要删除的管理员用户名: ");
+	printf("\t\t输入你需要删除的管理员用户名(按@退出): ");
 	while (gets(adminname))
 	{
-		while (adminp != NULL)
+		if(strcmp(adminname,"@")==0)
 		{
-			if (strcmp(adminname, adminp->adminname) == 0)
-			{
-				exist = 1;
-				break;
-			}
-			adminp = adminp->next;
+			end=1;
+			break;
 		}
-		if (!exist)
+		else
 		{
-			printf("该管理员不存在!..\n");
-			printf("请重新输入: ");
+			while (adminp != NULL)
+			{
+				if (strcmp(adminname, adminp->adminname) == 0)
+				{
+					exist = 1;
+					break;
+				}
+				adminp = adminp->next;
+			}
+			if (!exist)
+			{
+				printf("\t\t该管理员不存在!..\n");
+				printf("\t\t请重新输入: ");
+			}
+			else
+				break;
 		}
-		else
-			break;
 	}
 	adminp = adminhead;
 	if (strcmp(adminhead->adminname,adminname) == 0)
-		adminhead = adminhead->next;
+	adminhead = adminhead->next;
 	while (adminp->next != NULL)
 	{
 		if (strcmp(adminp->next->adminname, adminname) == 0)
diff --git a/keshe.exe b/keshe.exe
deleted file mode 100644
index 0fd3bb6..0000000
Binary files a/keshe.exe and /dev/null differ
diff --git a/super b/super
deleted file mode 100644
index ecfaa57..0000000
Binary files a/super and /dev/null differ
diff --git a/user b/user
deleted file mode 100644
index 487bf65..0000000
Binary files a/user and /dev/null differ