求指点~一个编译没有错但运行总崩溃的程序，谢谢
目的是想要删除文件中的一个航班信息，然后再把删除的航班信息读出，这个程序编译没有错，但是总是崩溃，求指点#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#define whole 81
void deleteFlight();
struct flyline
{
char fnum[whole];
char fcompany[whole];
char fstart[whole];
char fend[whole];
char fstime[whole];
char ftime[whole];
char ftype[whole];
char frate[whole];
char ftprice[whole];
char ftrest[whole];
char fyprice[whole];
char fyrest[whole];
char fp1[whole];
char fp2[whole];
};
struct flyline line[31]={{"航班号","所属公司","出发地","降落地","起飞时间","预计飞行时间","机型","准点率","头等舱票价","头等舱剩余座位","经济舱票价","经济舱剩余座位","驾驶员","副驾驶\n"},
{"SC8835","山东航空公司","北京","珠海","6:35","210min","738","93%","￥5080","6","￥2030","33","Zhao Yi","Zhao Er\n"},
{"SC1195","山东航空公司","北京","银川","7:05","135min","738","98%","￥3540","8","￥1180","25","zhao san","zhao si\n"},
{"SC4785","山东航空公司","北京","盐城","8:00","115min","738","80%","￥1960","2","￥980","12","zhao wu","zhao liu\n"},
{"SC4852","山东航空公司","北京","青岛","9:50","90min","747","90%","￥1640","5","￥820","34" ,"zhao qi","zhao ba\n"},
{"SC4882","山东航空公司","北京","珠海","10:45","240min","635","96%","￥5240","2","￥2320","11","zhao jiu","zhao shi\n"},
{"SC4854","山东航空公司","北京","烟台","13:45","100min","482","92%","￥4200","0","￥2100","9","qian yi","qian er\n"},
{"SC4678","山东航空公司","北京","厦门","15:20","100min","482","95%","￥2440","5","￥1220","17","qian san","qian si\n"},
{"SC4856","山东航空公司","北京","重庆","20:05","185min","738","85%","￥3860","1","￥1980","3","qian wu","qian liu\n"},
{"3U8548","四川航空公司","成都","北京","6:25","190min","321","78%","￥4730","3","￥1690","28","qian qi","qian ba\n"},
{"3U8303","四川航空公司","哈尔滨","北京","6:50","120min","319","81%","￥3050","7","￥1520","13","qian jiu","qian shi\n"},
{"3U8896","四川航空公司","西昌","北京","7:25","305min","320","91%","￥4820","3","￥2410","3","sun yi","sun er\n"},
{"3U8838","四川航空公司","昆明","北京","8:10","295min","320","87%","￥3460","0","￥1730","23","sun san","sun si\n"},
{"3U8832","四川航空公司","万县","北京","17:30","140min","319","86%","￥2850","4","￥1920","5","sun wu","sun liu\n"},
{"3U8894","四川航空公司","成都","北京","19:30","190min","320","90%","￥4730","1","￥1690","0","sun qi","sun ba\n"},
{"3U8830","四川航空公司","重庆","北京","10:45","195min","321","87%","￥3660","4","￥1820","31","sun jiu","sun shi\n"},
{"3U8892","四川航空公司","三亚","北京","7:55","245min","321","93%","￥3870","2","￥1980","19","li san","li si\n"},
};
FILE*fline;
int main()
{
char fnum3[8];
int i;
int n3_3=0;
if((fline=fopen("finformation.txt","rb"))==NULL)/*打开文件*/
{
printf("文件读取失败……");
exit(0);
}
printf("请输入您要删除的航班号：\n");
scanf("%s",&fnum3);/*管理员输入想删除的航班号*/
while(!feof(fline))/*统计全部航班信息个数*/
{
fread(&line[n3_3],sizeof(struct flyline),1,fline);
n3_3++;
}
for (i = 0; i<n3_3; i++) /*依次对比检查*/
{
if (strcmp(line[i].fnum, fnum3) == 0)
break;
}
for (; i<n3_3; i++) /*删除航班*/
{
line[i]=line[i+1];
n3_3=n3_3-1;
printf("成功删除！\n");
}
if(i==n3_3);
printf("没有该航班号！\n");
for (i = 0; i<n3_3; i++) /*写入文件*/
fwrite(&line[i],sizeof(struct flyline) , 1, fline);
fclose(fline);
int d1;
if((fline=fopen("finformation.txt","rb"))==NULL)
{
printf("文件读取失败……");
}
for(d1=0;d1<n3_3;d1++)
{
fread(&line[d1],sizeof(struct flyline),1,fline);
printf(" %-8s%-14s%-8s%-8s%-10s%-14s%-7s%-8s%-12s%-16s%-12s%-16s%-10s%-6s",line[d1].fnum,line[d1].fcompany,line[d1].fstart,line[d1].fend,line[d1].fstime,line[d1].ftime,line[d1].ftype,line[d1].frate,line[d1].ftprice,line[d1].ftrest,line[d1].fyprice,line[d1].fyrest,line[d1].fp1,line[d1].fp2);
}
fclose(fline);
}
finformation.rar