diff --git a/课程设计（final）.cpp b/课程设计（final）(final).cpp
similarity index 82%
rename from 课程设计（final）.cpp
rename to 课程设计（final）(final).cpp
index 2e8ddad..7c8f05f 100644
--- a/课程设计（final）.cpp
+++ b/课程设计（final）(final).cpp
@@ -12,28 +12,28 @@ typedef struct exam_system       //
  struct exam_system *next;
 }EXAM;                           //ÀàÐÍÃû×Ô¶¨Òå 
 
+void Createlink();               //´´½¨Á´±íº¯Êý 
+void exam();                     //¿¼ÊÔ³õʼ½çÃ溯Êý 
 void management();               //ÌâÄ¿¹ÜÀíº¯Êý 
-void add();                      //Ìí¼ÓÌâÄ¿º¯Êý 
-void show();                     //±éÀúÌâ¿âº¯Êý 
 void preservation();             //±£´æÎĵµº¯Êý 
-void change();                   //ÐÞ¸ÄÌâÄ¿º¯Êý 
-void exam();                     //¿¼ÊÔ³õʼ½çÃ溯Êý 
-void link();                     //´´½¨Á´±íº¯Êý 
+void experience();               //±éÀúÌâ¿âº¯Êý
+void add();                      //Ìí¼ÓÌâÄ¿º¯Êý  
+void modification();             //ÐÞ¸ÄÌâÄ¿º¯Êý 
 void Answer();                   //´ðÌ⺯Êý 
 
+FILE *fp;
 int sum;                         //ÌâÄ¿×ÜÊý
 struct exam_system *p1,*p2,*head;
-FILE *fp;
 
 int main()
 {
- link();
+ Createlink();
  system("color 75");             //×Ô¶¨Òåbackground 
  exam();
  return 0;
 }
 
-void link()                                   //´´½¨Á´±í
+void Createlink()                                   //´´½¨Á´±í
 { 
  head=(EXAM *)malloc(sizeof(EXAM));           //´´½¨Í·½Úµã,²¢¸øÓèÒ»¸ö¶¯Ì¬ÄÚ´æ 
  p2=p1=head;                                  //Á¬Ðø¸³Öµ 
@@ -102,8 +102,8 @@ void management()                          //
  switch(x)
  {
  case 1:add();management();break;
- case 2:show();management();break;
- case 3:change();management();break; 
+ case 2:experience();management();break;
+ case 3:modification();management();break; 
  case 4:;exam();break;
  default :printf("ÊäÈëÓÐÎó£¡\n");break;
  }
@@ -124,7 +124,7 @@ void preservation()                         //
  getch();
 }
 
-void show()                             //±éÀúÌâ¿âº¯Êý 
+void experience()                             //±éÀúÌâ¿âº¯Êý 
 {
  int c,i;
  EXAM *p=NULL;
@@ -160,16 +160,16 @@ else
  }
 }
 
-void add()                               //ÌâÄ¿Ìí¼Óº¯Êý 
+void add()                                         //ÌâÄ¿Ìí¼Óº¯Êý 
 {
- int x,i;
+ int n,i;
  system("cls");
  printf("\t\t**************»¶Ó­À´µ½ÌâÄ¿¹ÜÀíϵͳ****************\n");
  do
  {
         p1=(EXAM *)malloc(sizeof(EXAM));  
-        p2->next=p1;                     //ÏàÁ¬p1¡¢p2 
-        p2=p1;                           //Ö¸ÏòÏàͬ 
+        p2->next=p1;                                //ÏàÁ¬p1¡¢p2 
+        p2=p1;                                      //Ö¸ÏòÏàͬ 
         printf("ÇëÊäÈëµÚ%d¸öÌâÄ¿£º",sum+1);
         scanf("%s",p1->problem);
         printf("ÇëÊäÈ뱸ѡ´ð°¸£º\n");
@@ -183,24 +183,24 @@ void add()                               //
         scanf("%c",&p1->right );
         sum+=1;
         printf("\n");
-        printf("\tÊÇ·ñ¼ÌÐøÌí¼Ó\n\t1.¼ÌÐø\n\t2.Í˳ö\nÇëÑ¡Ôñ£º");
-        scanf("%d",&x);
-        if(x==2)
+        printf("\n¼ÌÐøÌí¼ÓÏÂÒ»Ì⣿\n1.ÊÇ\n2.·ñ\nÄãµÄÑ¡ÔñÊÇ£º");
+        scanf("%d",&n);
+        if(n==2)
         {
            p2->next=NULL;   
            break;
         }
         system("cls");
- }while(x==1);
+ }while(n==1);
  preservation();
 }
 
-void change()                                 //ÐÞ¸ÄÌâÄ¿º¯Êý 
+void modification()                           //ÐÞ¸ÄÌâÄ¿º¯Êý 
 {
  int i,num;
  EXAM *p1=NULL;
  EXAM *p2=NULL;
- show();
+ experience();
  if(sum>=1)
  {
      p1=(EXAM *)malloc(sizeof(EXAM));         //ΪP1·ÖÅäÒ»¸ö¶¯Ì¬ÄÚ´æ 
@@ -208,21 +208,19 @@ void change()                                 //
      printf("ÇëÑ¡ÔñÐ޸ĵÄÌâÄ¿ÐòºÅ£º");
      scanf("%d",&num);
      for(i=0;i<num-1;i++)
-     {
-        p2=p2->next;
-     }                                        //´Ëʱp2ÖÕÓÚÒÀ´ÎŲµ½num-1´¦ 
+        p2=p2->next;                          //´Ëʱp2ÖÕÓÚÒÀ´ÎŲµ½num-1´¦ 
      printf("ÇëÊäÈëÌâÄ¿£º");
      scanf("%s",p1->problem);
      printf("ÇëÊäÈ뱸ѡ´ð°¸£º\n");
      for(i=0;i<4;)
      {
-      printf("%c:",i+'A');
+      printf("%c)",i+'A');
       scanf("%s",p1->answer[i++] ); 
      }
      printf("ÊäÈëÕýÈ·´ð°¸£º");
      p1->right=getchar();
      scanf("%c",&p1->right);
-     p1->next=p2->next->next;                 //´Ëʱнڵ㽫´úÌæÔ­½Úµã
+     p1->next=p2->next->next;                 //½ÚµãÌæ»»Á¬½Ó³É¹¦ 
      p2->next=p1;                             //p1¡¢p2Á¬½Ó
      p1=NULL; 
      p2=NULL;                                 //×îºó¶¼ÖÃΪĩβ 
@@ -234,11 +232,14 @@ void Answer()                               //
 {
    int i,j,c;
    int n;
+   char write;
    int score=0;
    EXAM *p=NULL;
    printf("×£Ä㿼ÊÔ˳Àû£¡£¡\n");
    system("cls");
-   if(sum>0)
+   if(sum=0)
+   printf("Ìâ¿âÖÐûÓÐÌâÄ¿!\n");
+    else
     {
         i=0;
         p=head;
@@ -251,24 +252,24 @@ void Answer()                               //
           c=0;
           while(c<4)
           {
-              printf("%c:",c+'A');
+              printf("%c)",c+'A');
               printf("%s\n",p->answer[c++] );
           }
           printf("ÇëÊäÈëÄãµÄ´ð°¸£º");
-          p->input=getchar();
-          scanf("%c",&p->input);
-          if(p->right==p->input)
+          getchar(); 
+          scanf("%c",&write);
+          if(p->right==write)
 		  {
-		  	printf("\n¹§Ï²£¡£¡ÄãµÄ´ð°¸ÊÇ %c £¬ÕýÈ·´ð°¸ÊÇ %c ",p->input,p->right);
+		  	printf("\n¹§Ï²£¡£¡ÄãµÄ´ð°¸ÊÇ %c £¬ÕýÈ·´ð°¸ÊÇ %c ",write,p->right);
 		  	score+=1;
 		  }
 		  else
 		  {
-		  	printf("\nÌ«¿ÉϧÁË~ÄãµÄ´ð°¸ÊÇ %c £¬ÕýÈ·´ð°¸ÊÇ %c ",p->input,p->right);
+		  	printf("\nÌ«¿ÉϧÁË~ÄãµÄ´ð°¸ÊÇ %c £¬ÕýÈ·´ð°¸ÊÇ %c ",write,p->right);
 		   } 
           i=i+1;
           printf("\n----------------------------------------------------------\n");
-          if(i==n)
+          if(i==n)                       //Âú×ãÓû§ÒªÇó 
           	break; 
         }while(p->next!=NULL);
         printf("¿¼ÊÔ½áÊø!\n");
@@ -276,8 +277,6 @@ void Answer()                               //
         getch();
         ;
     }
-    else 
-	printf("Ìâ¿âÖÐûÓÐÌâÄ¿!\n");
     printf("°´ÈÎÒâ¼ü¼ÌÐø£¡\n");
     getchar();
 }
diff --git a/课程设计（final）(final).exe b/课程设计（final）(final).exe
new file mode 100644
index 0000000..d75fc42
Binary files /dev/null and b/课程设计（final）(final).exe differ