diff --git a/主函数.c b/主函数.c
index 1859700..56b147f 100644
--- a/主函数.c
+++ b/主函数.c
@@ -1,6 +1,7 @@
 #include<stdio.h>
 #include<stdlib.h>
 #include<string.h>
+#include"´æ¿î.c"
 void qukuan();
 void cunkuan();
 void chaxun();
diff --git a/存款.c b/存款.c
new file mode 100644
index 0000000..a6b23f1
--- /dev/null
+++ b/存款.c
@@ -0,0 +1,29 @@
+void cunkuan()
+{
+	int i,u;
+	float m;
+	FILE *fp=fopen("users.txt","r");
+    FILE *fpt=fopen("cunkuan.txt","w");
+	printf("ÇëÊäÈëÄúµÄ´æ¿î½ð¶î: ");
+	scanf("%f",&m);
+	for(i=0;i<n;i++)
+	{
+		fscanf(fp,"%s %s %f\n",&zh[i].gUser,&zh[i].gMima,&zh[i].YuE);
+		if(i==h)
+		{
+			printf("´æ¿î³É¹¦£¡\n");
+			zh[i].YuE=zh[i].YuE+m;
+			u=i;
+			printf("ÄúµÄµ±Ç°Óà¶î:%.3f\n",zh[u].YuE);
+			fprintf(fpt,"%s %s %f\n",zh[i].gUser,zh[i].gMima,zh[u].YuE);
+		}
+		else
+		{
+			fprintf(fpt,"%s %s %f\n",zh[i].gUser,zh[i].gMima,zh[i].YuE);
+		}
+	}
+	fclose(fp);fclose(fpt);
+	remove("users.txt");
+	rename("cunkuan.txt","users.txt");
+}
+