diff --git a/homework_laster.cpp b/homework_laster.cpp
index 029a1b0..a7a219f 100644
--- a/homework_laster.cpp
+++ b/homework_laster.cpp
@@ -6,11 +6,12 @@ using namespace std; //设置标准命名空间
 void shi_d();
 void bai1();  //定义函数
 void qian();
+void wan();
 
 int main(){
     //选择
     cout <<"欢迎使用数字组合器!"<<endl;
-    cout <<"选择: 1.十位 2.百位 3.千位 4.退出"<<endl;
+    cout <<"选择: 1.十位 2.百位 3.千位 4.万位 5.退出"<<endl;
     cout <<"请输入完成的操作:";
     int in;
     cin >>in;
@@ -24,9 +25,14 @@ int main(){
     {
         qian();
     }else if (in==4)
+    {
+        wan();
+    }else if (in==5)
     {
         exit(0);
-    }else{
+    }
+    
+    else{
         cout <<"输入错误！请重新运行程序并输入正确的编号!";
         Sleep(1250);
         return 1;
@@ -34,16 +40,20 @@ int main(){
 }
 
 void shi_d(){
-    //输入
-    int number,shi1,ge;
-    cout <<"请输入一个十位数字：";
+    //输出
+    cout <<"现在是十位计算"<<endl;
+    cout <<"请输入一个十位数字(10):";
+
+    int number;  //输入
     cin >>number;
 
     //计算模块 
+    int ge,shi1;
     ge = number % 10;
     shi1 = number / 10 % 10;
     number = ge + shi1;
-    cout <<"结果为"<<number<<endl;  //输出
+
+    cout <<"结果为"<<number<<endl;  //输出结果
     Sleep(1500);
     exit(0);
 }
@@ -51,7 +61,7 @@ void shi_d(){
 void bai1(){
     //输入
     cout <<"现在是百位计算"<<endl;
-    cout <<"请输入一个百位数字:";
+    cout <<"请输入一个百位数字(100):";
     int number;
     cin >>number;
 
@@ -61,14 +71,15 @@ void bai1(){
     shi1 = number / 10 % 10;
     bai = number / 100;
     number = ge + shi1 + bai;
-    cout <<"结果为:"<<number;
+
+    cout <<"结果为:"<<number;  //输出结果
     Sleep(1500);
     exit(0);
 }
 
 void qian(){
     cout <<"现在是千位计算"<<endl;  //输出
-    cout <<"请输入一个千位数字:";
+    cout <<"请输入一个千位数字(1000):";
 
     int number;  //输入
     cin >>number;
@@ -79,7 +90,31 @@ void qian(){
     bai = number / 100 % 10;
     qian = number / 1000;
     number = ge + shi + bai + qian;
-    cout <<"结果为:"<<number;
+
+    cout <<"结果为:"<<number;  //输出结果
+    Sleep(1500);
+    exit(0);
+}
+
+void wan(){
+    //输出
+    cout <<"现在是万位计算"<<endl;
+    cout <<"请输入一个万位数字(10000):";
+
+    //输入
+    int number;
+    cin >>number;
+
+    //计算模块
+    int ge,shi,bai,qian,wan1;
+    ge = number % 10;
+    shi = number / 10 % 10;
+    bai = number / 100 % 10;
+    qian = number / 1000 % 10;
+    wan1 = number / 10000;
+    number = ge + shi + bai + qian + wan1;
+    
+    cout <<"结果为:"<<number;  //输出结果
     Sleep(1500);
     exit(0);
 }
\ No newline at end of file
diff --git a/homework_laster.exe b/homework_laster.exe
new file mode 100644
index 0000000..aa7f66f
Binary files /dev/null and b/homework_laster.exe differ