diff --git a/通讯录.c b/通讯录.c
index 5502e72..37a853c 100644
--- a/通讯录.c
+++ b/通讯录.c
@@ -1,19 +1,48 @@
 #include <stdio.h>
-#include <process.h>
 #include <stdlib.h>
 #include <string.h>
+#include <windows.h>
 //¶¨Ò庯Êý 
 FILE *fp;										//ÎļþÖ¸Õë 
 void menu();
 void add();
 void search();
 void modify();
+void dele();
 void look();
 void quit();
+void enroll();
+void login();
+void reenroll();
+void jiemian();
+void ycmm();
+void relogin();
+
+int n;
+int m;
+int t;
+int offset;
+char mima_[10];
+char MIMA[4]="5555";
+
+struct manager
+{
+	char name[10];
+	char password[10];
+}manage[5];
+
 //Ö÷º¯Êý 
 int main()
 {
-	menu();
+	int a=0;
+	n=0;
+	do
+	{
+		jiemian();
+		getchar();
+		printf("\n°´1¼ÌÐø»Øµ½Ö÷½çÃæ,ÆäËüÈÎÒâ¼üÍ˳ö£º");
+		a=getch();
+	}while(a==49);
 	return 0;
 }
 //ͨѶ¼½á¹¹Ìå 
@@ -25,35 +54,192 @@ struct user
 	char tel2[15];								//µç»°2 
 	char email[20];								//µç×ÓÓÊÏä 
 }user[50];
-//²Ëµ¥
-void menu()
+
+void jiemian()
 {
 	system("cls");
 	system("color f3");
 	int n;
 	printf("\n\n\n\n\n");
 	printf("\t\t:---------ͨѶ¼---------:\n");
-	printf("\t\t:         1:н¨         :\n");
-	printf("\t\t:         2:²éѯ         :\n");
-	printf("\t\t:         3:ÐÞ¸Ä         :\n");
-	printf("\t\t:         4:ä¯ÀÀ         :\n");
-	printf("\t\t:         5:Í˳ö         :\n");
-	printf("\t\t:--ÊäÈëÊý <1-5>Ñ¡Ôñ¹¦ÄÜ--:\n\n");
+	printf("\t\t:         1.×¢²á         :\n");
+	printf("\t\t:         2.怬         :\n");
+	printf("\t\t:--ÊäÈëÊý <1-2>Ñ¡Ôñ¹¦ÄÜ--:\n\n");
 	scanf("%d",&n);
 	switch(n)
 	{
-		case 1: add();		break;					//Ìí¼Ó 
-		case 2: search();	break;					//²éѯ 
-		case 3: modify();	break;					//ÐÞ¸Ä 
-		case 4: look();		break;					//ä¯ÀÀ 
-		case 5: return;		break; 					//Í˳ö 
+		case 1: enroll();		break;					//×¢²á 
+		case 2: login();		break;					//怬  
 		default:			return;
-	}	
-}										
-//Ìí¼ÓÓû§ÐÅÏ¢
+	}
+}
+//×¢²á
+void enroll()
+{
+	system("cls");
+	int anhao;	//¹ÜÀíÔ±ÃÜ³× 
+	char zhanghao[10];
+	char mima1[10];
+	char mima2[10];
+
+	//¹ÜÀíÔ±×¢²á 
+	printf("\nÇëÊäÈë°µºÅ£º");
+	ycmm();
+				
+	//°µºÅºË¶ÔÕýÈ· 
+	if(!strcmp(mima_,MIMA)){
+		fp=fopen("manager.txt","ab");
+		struct manager one;
+		printf("\n\t\t\tÇëÊäÈëйÜÀíÔ±Õ˺ţº");
+		scanf("%s",zhanghao);
+		printf("\n\t\t\tÇëÊäÈëйÜÀíÔ±ÃÜÂ룺");
+		ycmm();
+		strcpy(mima1,mima_);
+		printf("\n\t\t\tÇëÔÙ´ÎÈ·ÈÏÃÜÂ룺");
+		ycmm();
+		strcpy(mima2,mima_); 
+		if(!strcmp(mima1,mima2)){
+			strcpy(one.name,zhanghao);
+			strcpy(one.password,mima1);
+			fprintf(fp,"%-10s%-10s",one.name,one.password);
+		}
+		else{
+			fclose(fp);reenroll();return; 
+		}
+		printf("\t\t\t×¢²á³É¹¦£¡\n\n");
+		fclose(fp);
+		printf("3Ãëºó½øÈë¹ÜÀíÔ±½çÃæ");
+		Sleep(3000);
+		menu();
+		return;
+	}
+				
+	//°µºÅ´íÎó£¬ÔÙ´Î×¢²á 
+	else
+		printf("°µºÅ´íÎó£¬×¢²áʧ°Ü£¡\n\n");reenroll();
+	return;
+} 
+
+//¼ÌÐø×¢²á
+void reenroll()
+{
+	printf("¼ÌÐø×¢²áÇë°´1£º");
+	if(getch()==49)
+		enroll();
+	else
+		jiemian(); 
+}
+
+//怬
+void login()
+{
+	system("cls");
+	char zhanghao[20];
+	char mima[20];
+	char password2[20];
+	if((fp=fopen("manager.txt","rb"))==NULL){
+		printf("δ²éѯµ½¹ÜÀíÔ±Õ˺Å\nÇëÏÈ×¢²á£¬3ÃëºóΪÄúÌøתµ½×¢²á½çÃæ");
+		Sleep(3000);
+		enroll();
+		exit(0); 
+	}
+	struct manager one;
+	printf("\n\t\t\t¹ÜÀíÔ±Õ˺ţº");
+	scanf("%s",zhanghao);
+	printf("\n\t\t\t¹ÜÀíÔ±ÃÜÂ룺");
+	ycmm();
+	while(!feof(fp)){
+		fscanf(fp,"%s%s",one.name,one.password);
+		if(!strcmp(zhanghao,one.name)&&!strcmp(mima_,one.password)){
+			printf("\nµÇ¼³É¹¦£¡\n");
+			n=1;
+			fclose(fp);
+			printf("3Ãëºó½øÈë¹ÜÀíÔ±½çÃæ");
+			Sleep(3000);
+			menu();return;
+		}	
+	}
+	printf("\t\t\tµÇ¼ʧ°Ü£¡\n\n");
+	
+	fclose(fp);
+	relogin();
+	return;	
+}
+
+//¼ÌÐøµÇ¼ 
+void relogin()
+{
+	printf("¼ÌÐøµÇ¼Çë°´1£¬°´ÆäËüÈÎÒâ¼ü·µ»ØÖ÷½çÃ棺");
+	if(getch()==49)
+		login();
+	else
+		jiemian(); 
+}
+
+//Òþ²ØÃÜÂë
+void ycmm()
+{
+	int i=0;
+	for(;i<10;i++)
+	{
+		mima_[i]=getch();
+		if(mima_[i]=='\b')
+		{
+			if(i<=0)
+				printf(" "),i=1; 
+			printf("\b \b");
+			i=i-2;
+			continue;
+		}
+		if(mima_[i]=='\r')
+		{
+			break;
+		}
+		printf("*");
+	}
+	mima_[i]='\0';
+} 
+
+//²Ëµ¥
+void menu()
+{
+	int b=0;
+	do{
+		system("cls");
+		system("color f3");
+		int a;
+		b=0;
+		printf("\n\n\n\n\n");
+		printf("\t\t:----ͨѶ¼¹ÜÀíÔ±½çÃæ----:\n");
+		printf("\t\t:         1:н¨         :\n");
+		printf("\t\t:         2:²éѯ         :\n");
+		printf("\t\t:         3:ÐÞ¸Ä         :\n");
+		printf("\t\t:         4:ɾ³ý         :\n");
+		printf("\t\t:         5:ä¯ÀÀ         :\n");
+		printf("\t\t:         6:·µ»Ø         :\n");
+		printf("\t\t:         7:Í˳ö         :\n");
+		printf("\t\t:--ÊäÈëÊý <1-7>Ñ¡Ôñ¹¦ÄÜ--:\n\n");
+		scanf("%d",&a);
+		switch(a)
+		{
+			case 1: add();		break;					//Ìí¼Ó 
+			case 2: search();	break;					//²éѯ 
+			case 3: modify();	break;					//ÐÞ¸Ä 
+			case 4: dele(); 	break;					//ɾ³ý 
+			case 5: look();		break;					//ä¯ÀÀ 
+			case 6: jiemian();	break; 					//Í˳ö
+			case 7: exit(0); 
+			default:			return;
+		}
+		printf("°´1·µ»Øµ½¹ÜÀíÔ±½çÃ棺");
+		b=getch();
+	}while(b==49);
+}
+									
+//Ìí¼ÓÓû§ÐÅÏ¢  1.н¨ 
 void add()
 {
-	struct user one;
+	struct user one={'\0','\0','\0','\0','\0'};//³õʼ»¯£¬·ÀÖ¹Îı¾Àï³öÏÖÂÒÂë 
 	system("color e3");
 	if((fp=fopen("user.txt","ab"))==NULL)
 	{
@@ -70,106 +256,99 @@ void add()
 	scanf("%s",one.tel2);
 	printf("\nÇëÊäÈëÓû§µç×ÓÓÊÏ䣺");
 	scanf("%s",one.email);
-	fwrite(&one,sizeof(struct user),1,fp); 			//°ÑÊý¾Ý¿é¼Èëuser.txtÖÐ
+	fprintf(fp,"%-8s%-15s%-15s%-15s%-20s\n",one.name,one.place,one.tel1,one.tel2,one.email);
 	fclose(fp);	
-	printf("\n×¢²á³É¹¦£¡\n");
-	system("pause");
-	menu();
-};
-
-//ÐÞ¸Ä 
-void modify()
+	printf("\nÌí¼Ó³É¹¦£¡\n");
+}
+//²éѯ   2.²éѯ 
+void search()
 {
+	struct user one;
 	char namekey[8];
 	printf("ÊäÈëÒª²éѯµÄÐÕÃû£º");
 	scanf("%s",namekey);
-	if((fp=fopen("user.txt","ab+"))==NULL)		//´ò¿ªÎļþ		
+	if((fp=fopen("user.txt","rb"))==NULL)		//´ò¿ªÎļþ		
 	{
 		printf("\n²»ÄÜ´ò¿ªÎļþ£¡\n");
 		exit(0);
 	}
-	int m=0,t=1;
+	t=0;
+	m=0;
 	while(!feof(fp))
 	{
-		fread(&user[m],sizeof(struct user),1,fp)==1;		//¶ÁÈ¡½á¹¹ÌåÖÐÒ»¸öÓû§ÐÅÏ¢	
-		if(!strcmp(user[m].name,namekey))					//ÅжÏÊÇ·ñÏàͬ 
+		offset=ftell(fp);
+		fscanf(fp,"%s%s%s%s%s\n",one.name,one.place,one.tel1,one.tel2,one.email);
+		if(!strcmp(one.name,namekey))					//ÅжÏÊÇ·ñÏàͬ 
 		{
-			t=0;											//ÈôÏàͬ£¬ÔòÔÚºóÃæif¾äÖÐÊä³ö 
+			t=1;
+			printf("%-8s%-15s%-15s%-15s%-20s\n",one.name,one.place,one.tel1,one.tel2,one.email);											//ÈôÏàͬ£¬ÔòÔÚºóÃæif¾äÖÐÊä³ö 
 			break;
 		}
-		m++;
 	}
-	if(t)
-		printf("δÕÒµ½\n"),fclose(fp),system("pause"),menu();
-	else
-	{
-		printf("ÕÒµ½\n");
-		printf("ÐÕÃû\t\t¼®¹á\t\tµç»°1\t\tµç»°2\t\tÓÊÏä\n");
-		printf("%-8s\t",user[m].name);
-		printf("%-15s\t",user[m].place);
-		printf("%-15s\t",user[m].tel1);
-		printf("%-15s\t",user[m].tel2);
-		printf("%-20s\t",user[m].email);
-	}
-	printf("\nÄúÏëÒªÐÞ¸ÄÄÄÌõÐÅÏ¢£¿\n\n1.ÐÕÃû\t2.¼®¹á\t3.µç»°1\t4.µç»°2\t5.ÓÊÏä\tÆäËüÈÎÒâ¼ü.²»ÐÞ¸Ä");	//ÐÞ¸ÄÐÅÏ¢Ìáʾ 
-	int a;					//Ð޸ĵÄÐÅÏ¢ÐòºÅ 
-	scanf("%d",&a);
-	char *newname;
-	char nweplace[15];
-	char newtel1[15];
-	char newtel2[15];
-	char newemail[20];
-	switch(a)
-	{
-		case 1:scanf("%s",newname),strcpy(user[m].name,newname),printf("%s",user[m].name);break;
-		default:break;
-	}
-	printf("Ð޸ijɹ¦\n");
+	if(!t)
+		printf("δÕÒµ½\n");
 	fclose(fp);
-	system("pause");
-	menu();
 }
-//²éѯ 
-void search()
+//ÐÞ¸Ä    3.ÐÞ¸Ä 
+void modify()
 {
-	char namekey[8];
-	printf("ÊäÈëÒª²éѯµÄÐÕÃû£º");
-	scanf("%s",namekey);
-	if((fp=fopen("user.txt","r"))==NULL)		//´ò¿ªÎļþ		
+	int a;
+	char ch[10];
+	struct user one;
+	search();
+	if(t==1)
 	{
-		printf("\n²»ÄÜ´ò¿ªÎļþ£¡\n");
-		exit(0);
+		printf("ÇëÊäÈëÄãÏëÐ޸ĵÄÐÅÏ¢£º1.ÐÕÃû 2.¼®¹á 3.µç»°1 4.µç»°2 5.ÓÊÏä\n");	//ÐÞ¸ÄÐÅÏ¢Ìáʾ 
+		scanf("%d",&a);
+		fp=fopen("user.txt","r+");
+		printf("ÇëÊäÈëÐÂÐÅÏ¢£º");
+		switch(a)
+		{
+			case 1: scanf("%s",one.name);fprintf(fp,"%-8s",one.name);break;
+			case 2: fseek(fp,offset+8,SEEK_SET);
+				scanf("%s",one.place);fprintf(fp,"%-15s",one.place);break; 
+			case 3: fseek(fp,offset+23,SEEK_SET);
+				scanf("%s",one.tel1);fprintf(fp,"%-15s",one.tel1);break;
+			case 4: fseek(fp,offset+38,SEEK_SET);
+				scanf("%s",one.tel2);fprintf(fp,"%-15s",one.tel2);break;
+			case 5: fseek(fp,offset+53,SEEK_SET);
+				scanf("%s",one.email);fprintf(fp,"%-20s",one.email);break;
+			default: break;
+		}
+		fclose(fp);
+		printf("Ð޸ijɹ¦\n");  
 	}
-	int m=0,t=0;
-	while(!feof(fp))
+}
+//ɾ³ý   4.ɾ³ý
+void dele()
+{
+	char a;
+	for(;;)
 	{
-		fread(&user[m],sizeof(struct user),1,fp)==1;		//¶ÁÈ¡½á¹¹ÌåÖÐÒ»¸öÓû§ÐÅÏ¢	
-		if(!strcmp(user[m].name,namekey))					//ÅжÏÊÇ·ñÏàͬ 
-		{
-			t=1;											//ÈôÏàͬ£¬ÔòÔÚºóÃæif¾äÖÐÊä³ö 
+		search();
+		if(t==1)
+			break;
+		else
+			printf("Í˳öÇë°´N,°´ÆäËüÈÎÒâ¼ü¼ÌÐø£º");
+		a=getchar();
+		if(a=='n'||a=='N')
 			break;
-		}
-		m++;
 	}
-	if(t)
+		
+		
+	if(t==1)
 	{
-		printf("ÕÒµ½\n");
-		printf("ÐÕÃû\t\t¼®¹á\t\tµç»°1\t\tµç»°2\t\tÓÊÏä\n");
-		printf("%-8s\t",user[m].name);
-		printf("%-15s\t",user[m].place);
-		printf("%-15s\t",user[m].tel1);
-		printf("%-15s\t",user[m].tel2);
-		printf("%-20s\t",user[m].email);
+		fp=fopen("user.txt","r+");
+		fseek(fp,offset,SEEK_SET);
+		fprintf(fp,"\n%-8s%-15s%-15s%-15s%-20s\n","","","","","");
+		fclose(fp);
+		printf("ɾ³ý³É¹¦£¡\n");
 	}
-	else
-		printf("δÕÒµ½\n");
-	fclose(fp);
-	system("pause");
-	menu();
-}
-//ä¯ÀÀ 
+} 
+//ä¯ÀÀ   5.ä¯ÀÀ 
 void look()											 
 {
+	struct user one;
 	char c;
 	if((fp=fopen("user.txt","r"))==NULL)			//´ò¿ªÎļþuser.txt 
 	{
@@ -177,36 +356,16 @@ void look()
 		exit(0);
 	}
 	int m=0;
+	printf("%-8s%-15s%-15s%-15s%-20s\n","ÐÕÃû","¼®¹á","µç»°1","µç»°2","ÓÊÏä");
 	while(!feof(fp))								
 	{
-		if(fread(&user[m],sizeof(struct user),1,fp)==1)
+		fscanf(fp,"%s%s%s%s%s\n",one.name,one.place,one.tel1,one.tel2,one.email);
+		printf("%-8s%-15s%-15s%-15s%-20s\n",one.name,one.place,one.tel1,one.tel2,one.email);
 		m++;
 	}
-	int i;
-	printf("ÐÕÃû\t\t¼®¹á\t\tµç»°1\t\tµç»°2\t\tÓÊÏä\n");
-	for(i=0;i<m;i++)
-	{
-	printf("%-8s\t",user[i].name);
-	printf("%-15s\t",user[i].place);
-	printf("%-15s\t",user[i].tel1);
-	printf("%-15s\t",user[i].tel2);
-	printf("%-20s\t",user[i].email);
-	printf("\n");
-	}
 	if(fclose(fp))									//¹Ø±ÕÎļþ 
 	{
 		printf("¹Ø±ÕÎļþʧ°Ü£¡\n");
 		exit(0);
 	}
-	scanf("%c",&c);
-	printf("ÊÇ·ñ¼ÌÐø£¿£¨Y/N£©£º");
-	scanf("%c",&c);
-	if(c=='y'||c=='Y')
-		menu();
-	return;
-}
-//Í˳ö
-void quit()
-{
-	return;
 }
diff --git a/通讯录.exe b/通讯录.exe
index 00eb821..6c437aa 100644
Binary files a/通讯录.exe and b/通讯录.exe differ