diff --git a/README.md b/README.md
index 27a3a93..b124590 100644
--- a/README.md
+++ b/README.md
@@ -181,14 +181,12 @@ void ReadScore(STU stu[],int n,int m)
 {
      int i,j;
      printf("Input student's ID ,name and score:\n");
-     /*-----------begin----------*/
      for(i=0,i<n;i++)     //输入n个同学
      {
         scanf("%ld%s",&stu[i].num,stu[i].name);
         for(j=0;j<m;j++)       //输入m门成绩
         scanf("%f",&stu[i].score[j]);
      }
-     /*---------------end--------------*/
 }
 ```
 
@@ -216,7 +214,6 @@ void AverSumofEveryCourse(STU stu[],int n,int m)
 {
     int i,j;
     float sum[COURSE_NUM],aver[COURSE_NUM];
-    /*--------------begin------------*/
     for(j=0;j<m;j++)
     {
         sum[j] = 0;
@@ -228,7 +225,6 @@ void AverSumofEveryCourse(STU stu[],int n,int m)
         aver[j] = sum[j]/i;
         printf("student %d: sum = %.0f,aver = %.0f\n",j+1, sum[j], aver[j]);
     }
-    /*--------------------end------------------------*/
 }
 ```