diff --git a/4.c b/5.c
similarity index 96%
rename from 4.c
rename to 5.c
index 5f46268..43cbd71 100644
--- a/4.c
+++ b/5.c
@@ -67,7 +67,7 @@ int show2(int n)
 	for(i=0;i<n;i++)
 	{
 		fscanf(fp,"%d %s %c %d %d %d %s %s %s",&head->number,head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
-		printf("%d %s %c %d %d %d %s %s %s",&head->number,head->name,head->sex,(*head).birthday.year,(*head).birthday.month,(*head).birthday.day,head->address,head->tel,head->E_mail);
+		printf("%d %s %c %d %d %d %s %s %s\n",&head->number,head->name,head->sex,(*head).birthday.year,(*head).birthday.month,(*head).birthday.day,head->address,head->tel,head->E_mail);
 	}
 		fclose(fp);
 }
@@ -200,6 +200,9 @@ void main ()
 				credit(n);
 				break;
 			case '2':
+				printf("请输入学生人数:");
+				scanf("%d",&n);
+				getchar();
 				show2(n);
 				break;
 			case '3':
diff --git a/4.exe b/5.exe
similarity index 80%
rename from 4.exe
rename to 5.exe
index e934f6f..de5b82d 100644
Binary files a/4.exe and b/5.exe differ