diff --git a/421.c b/464.c
similarity index 91%
rename from 421.c
rename to 464.c
index f228e65..9add91c 100644
--- a/421.c
+++ b/464.c
@@ -47,7 +47,7 @@ void main()
         break;
         case 5:b=shanchu(p);
         break;
-        case 6:printf("感谢您的使用");
+        case 6:printf("感谢您的使用!");
         break;
         default:printf("请输入正确的序号:\n");
         break;
@@ -118,7 +118,7 @@ void liulan(FILE *p)
 }
 void chaxun(FILE *p)
 {
-    int i=0;
+    int xuhao1=0;
     p=fopen("txl.sto","rb+");
     if(p==NULL)
    {
@@ -137,12 +137,12 @@ void chaxun(FILE *p)
        {
         printf("姓名：     籍贯:     电话号码1:     电话号码2:     邮箱:\n");
         printf("%s        %s     %lld     %lld   %s\n",lxr.name,lxr.jiguan,lxr.num1,lxr.num2,lxr.email);
-        i=i+1;
+        xuhao1=xuhao1+1;
        }
 
        fread(&lxr,sizeof(lxr),1,p);
     }
-   if(i==count&&(strcmp(mingzi,lxr.name)!=0))
+   if(xuhao1==count&&(strcmp(mingzi,lxr.name)!=0))
     printf("无该联系人\n");
     fclose(p);
    }
@@ -175,10 +175,10 @@ void xiugai(FILE *p)
             printf("6.取消\n");
             while(next=='Y')
            {
-            int c;
+            int xuhao;
             printf("请输入序号:");
-            scanf("%d",&c);
-            switch(c)
+            scanf("%d",&xuhao);
+            switch(xuhao)
             {
              case 1:printf("请修改姓名:");
                     scanf("%s",lxr.name);
@@ -187,15 +187,17 @@ void xiugai(FILE *p)
                     scanf("%s",lxr.jiguan);
                     break;
              case 3:printf("请修改电话号码1:");
-                    scanf("%s",lxr.num1);
+                    scanf("%lld",&lxr.num1);
                     break;
              case 4:printf("请修改电话号码2:");
-                    scanf("%s",lxr.num2);
+                    scanf("%lld",&lxr.num2);
                     break;
              case 5:printf("请修改邮箱:");
                     scanf("%s",lxr.email);
                     break;
-             default:printf("输入错误");
+             case 6:break;
+
+             default:printf("输入错误\n");
                     break;
             }
             printf("继续修改:Y\n停止修改:其他字母\n");
@@ -223,6 +225,7 @@ int shanchu(FILE *p)
    {
        printf("通讯录为空，请建立新联系人!\n");
        fclose(p);
+       getchar();
        return 0;
     }
     else
@@ -230,7 +233,7 @@ int shanchu(FILE *p)
     person b;
     person blank={};
     char name[20];
-    int c=0;
+    int jishu=0;
     rewind(p);
     printf("请输入您要删除的联系人名称：");
     scanf("%s",name);
@@ -244,12 +247,12 @@ int shanchu(FILE *p)
             fwrite(&blank,sizeof(blank),1,p);
             printf("删除成功!\n");
             fclose(p);
-            c=c+1;
+            jishu=jishu+1;
             return 0;
          }
 
     }
-  if(c==count&&(strcmp(name,b.name)!=0))
+  if(jishu==count&&(strcmp(name,b.name)!=0))
     printf("无该联系人!\n");
     fclose(p);
     return 0;
diff --git a/421.exe b/464.exe
similarity index 63%
rename from 421.exe
rename to 464.exe
index 92eebac..d34d819 100644
Binary files a/421.exe and b/464.exe differ
diff --git a/421.o b/464.o
similarity index 62%
rename from 421.o
rename to 464.o
index 64fd3fc..1bf5e07 100644
Binary files a/421.o and b/464.o differ