diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..22756a0
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,48 @@
+#include <iostream>
+#include "MangerBook.h"
+
+using namespace std;
+
+int main()
+{
+    MangerBook gm;// 实例化管理员
+    int select;//用户选择
+    while (true)
+    {
+        gm.ShowMenu();
+        cout << "请选择要执行的操作" << endl;
+        while (true)
+        {
+            cin >> select;
+            if (!cin) {
+                cout << "ERROR!" << endl;
+                cin.clear();
+                select = 1024;
+                cin.get();
+            }
+
+            if (select >= EXIT || select <= OTHERS) {
+                break;
+            }
+            else {
+                cout << "指令非法，请重新输入！" << endl;
+                system("system");
+                gm.ShowMenu();
+                cout << "请选择要执行的操作" << endl;
+            }
+        }
+        switch (select)
+        {
+        case EXIT: gm.Exit_Sys();           break;
+        case LOANRANKING: gm.LoanRanking(); break;
+        case ADDBOOK: gm.AddBook();         break;
+        case SEARCHBOOK:gm.SearchBook();    break;
+        case SELECTBOOK:gm.SelectBook();    break;
+        case LOANBOOK:gm.LoanBook();        break;
+        case RETURNBOOK:gm.ReturnkBook();   break;
+        case SHOWBOOK:gm.ShowBook();        break;
+        default:system("cls");              break;
+        }
+    }
+    return 0;
+}
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