diff --git a/小学生测验最终版第二次修改.c b/小学生测验最终版第三次修改.c
similarity index 80%
rename from 小学生测验最终版第二次修改.c
rename to 小学生测验最终版第三次修改.c
index e627a84..38eceb2 100644
--- a/小学生测验最终版第二次修改.c
+++ b/小学生测验最终版第三次修改.c
@@ -10,7 +10,7 @@ int num2;
 int trytimes;
 }specific;
 specific informat[10];
-int changesi(int p)
+void changesi(int p)
 {
 if(p==0)
 printf("+");
@@ -59,7 +59,12 @@ printf("TRE AGAIN\n");
 int main()
 {
 srand(time(NULL));
-printf("----------pupil exercise system----------\n"); 
+printf("----------pupil exercise system----------\n");
+printf("\t\t\t*******************************************************\n");
+printf("\t\t\t*              �˴β��Ե���Ŀ��10��                   *\n");
+printf("\t\t\t*           ��Ŀ����Ϊ��λ���ļӼ�                *\n");
+printf("\t\t\t*              ÿ��10�֣��ܷ�Ϊ100�֡�                 *\n");
+printf("\t\t\t*******************************************************\n");
 int t=1,cnt=0,sum=0,a,b,c,ans;
 while(t<=10)
 {
@@ -122,13 +127,11 @@ printf("--------------------\n");
 }
 show_rank(sum);
 printf("\n\n");
-char k;
 int i;
 for(i=1;i<=10;i++)
 {
 printf("��%d��:%d",i,informat[i].num1);
-
-k=changesi(informat[i].jiajian);
+changesi(informat[i].jiajian);
 printf("%d=",informat[i].num2);
 if(informat[i].jiajian==0)
 printf("%d\n",informat[i].num1+informat[i].num2);
@@ -141,6 +144,3 @@ p=sum/10.0;
 printf("�����ȷ����:%.2f%%\n",p*10); 
 return 0;
 }
-
- 
-
diff --git a/小学生测验最终版第二次修改.exe b/小学生测验最终版第三次修改.exe
similarity index 73%
rename from 小学生测验最终版第二次修改.exe
rename to 小学生测验最终版第三次修改.exe
index d618da4..d945b87 100644
Binary files a/小学生测验最终版第二次修改.exe and b/小学生测验最终版第三次修改.exe differ