diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/Add.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/Add.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..3f0f86ef6400252a154fac30bad361d0e6f3ad2f
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/Add.cs"	
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp11
+{
+    class Add:Calculate
+    {
+        public Add(int  numone ,int numtwo ,string charter) :base( numone ,numtwo ,charter){ }
+        public override void DisplayResult() {
+            Console.WriteLine(numone+charter+numtwo+"="+(numone+numtwo));
+        }
+    }
+}
\ No newline at end of file
diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/AddDiff.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/AddDiff.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..55d87b8f646d2e1c1d1dbd77ec3c999943de7e15
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/AddDiff.cs"	
@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp11
+{
+    class AddDiff : Calculate
+    {
+        public AddDiff(int numone, int numtwo, string charter) : base(numone, numtwo, charter) { }
+
+        public override void DisplayResult()
+        {
+            Console.WriteLine(numone + charter + numtwo + "=" + (numone - numtwo));
+        }
+    }
+}
\ No newline at end of file
diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/Calculate.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/Calculate.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..e033455587d1164977141c0a297703847430b4b7
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/Calculate.cs"	
@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp11
+{
+    class Calculate
+    {
+        protected int numone { get; set; }
+        protected int numtwo { get; set; }
+        protected string charter { get; set; }
+        public Calculate(int numone, int numtwo, string charter)
+        {
+            this.numone = numone;
+            this.numtwo = numtwo;
+            this.charter = charter;
+        }
+        public virtual void DisplayResult() { }
+    }
+}
\ No newline at end of file
diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/Chengfa.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/Chengfa.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..ab7f3458823d3744a9666541b92fa75936e0901e
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/Chengfa.cs"	
@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp11
+{
+    class Chengfa : Calculate
+    {
+        public Chengfa(int numone, int numtwo, string charter) : base(numone, numtwo, charter) { }
+
+        public override void DisplayResult()
+        {
+
+            Console.WriteLine(numone + charter + numtwo + "=" + (numone * numtwo));
+        }
+    }
+}
\ No newline at end of file
diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/Chufa.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/Chufa.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..4148302879879e1332bac684ed0d8e5aa7f52996
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/Chufa.cs"	
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp11
+{
+    class Chufa : Calculate
+    {
+        public Chufa(int numone, int numtwo, string charter) : base(numone, numtwo, charter) { }
+        public override void DisplayResult()
+        {
+            Console.WriteLine(numone + charter + numtwo + "=" + (numone / numtwo));
+        }
+    }
+}
\ No newline at end of file
diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/Program.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/Program.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..f5625d6cfd5f75c101ab832a660b49b41d366a6f
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/Program.cs"	
@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp11
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("请选择你要运算的类型：1.+   2.-   3.x   4./");
+            int key = Convert.ToInt32(Console.ReadLine());
+            Calculate calculate;
+            switch (key)
+            {
+                case 1:
+                    Console.WriteLine("请输入第一个数：");
+                    int Numone1 = Convert.ToInt32(Console.ReadLine());
+                    Console.WriteLine("请输入第二个数：");
+                    int Numtwo1 = Convert.ToInt32(Console.ReadLine());
+                    calculate = new Add(Numone1, Numtwo1, "+");
+                    break;
+                case 2:
+                    Console.WriteLine("请输入第一个数：");
+                    int Numone2 = Convert.ToInt32(Console.ReadLine());
+                    Console.WriteLine("请输入第二个数：");
+                    int Numtwo2 = Convert.ToInt32(Console.ReadLine());
+                    calculate = new AddDiff(Numone2, Numtwo2, "-");
+                    break;
+                case 3:
+                    Console.WriteLine("请输入第一个数：");
+                    int Numone3 = Convert.ToInt32(Console.ReadLine());
+                    Console.WriteLine("请输入第二个数：");
+                    int Numtwo3 = Convert.ToInt32(Console.ReadLine());
+                    calculate = new Chengfa(Numone3, Numtwo3, "*");
+                    break;
+                case 4:
+                    Console.WriteLine("请输入第一个数：");
+                    int Numone4 = Convert.ToInt32(Console.ReadLine());
+                    Console.WriteLine("请输入第二个数：");
+                    int Numtwo4 = Convert.ToInt32(Console.ReadLine());
+                    calculate = new Chufa(Numone4, Numtwo4, "/");
+                    break;
+                default:
+                    calculate = new Add(0, 0, "+");
+                    Console.WriteLine("你确实你没选择错？？？");
+                    break;
+            }
+            PublicCalculate publicCalculate = new PublicCalculate();
+            publicCalculate.PublicCalculatetest(calculate);
+        }
+    }
+}
\ No newline at end of file
diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/PublicCalculate.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/PublicCalculate.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..220ec0121df50516496fb200a2184ad9970ae6d2
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (2)/PublicCalculate.cs"	
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp11
+{
+    class PublicCalculate
+    {
+        public void PublicCalculatetest(Calculate calculate)
+        {
+
+            calculate.DisplayResult();
+        }
+    }
+}
\ No newline at end of file
diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (3)/Circle.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (3)/Circle.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..1cc0cfc26c99708af2f643b9593ab53d109e0859
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271 (3)/Circle.cs"	
@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp12
+{
+    class Circle : Shape
+    {
+        public double radius;
+        public override void GetArea()
+        {
+            base.GetArea();
+            Console.WriteLine("圆的面积为" + (3.14 * radius * radius));
+        }
+    }
+}
diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Animal.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Animal.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..579be84ea30853d94f56bcad4793a57208483ec7
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Animal.cs"
@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp10
+{
+    class Animal
+    {
+        public int Lag { get; set; }
+
+
+
+        public void Publicaction()
+        {
+            Console.WriteLine("我会走路");
+            Console.WriteLine("我会吃饭");
+            Console.WriteLine("我会睡觉");
+        }
+        public virtual void Legcount()
+        {
+            //Console.WriteLine("我有{0}腿",this.Lag);
+        }
+        public virtual void Jiao()
+        {
+            //Console.WriteLine("我会叫");
+        }
+
+    }
+}
\ No newline at end of file
diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/BoridType.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/BoridType.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..b061aa965fe3e317fee6b32dc71a19e25f8ec43b
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/BoridType.cs"
@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp10
+{
+    class BoridType : Animal
+    {
+
+
+        public void Fry()
+        {
+            Console.WriteLine("我可以飞");
+        }
+    }
+}
\ No newline at end of file
diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Calculate.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Calculate.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..c497c855801628886a298c79576e28b799ac4adb
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Calculate.cs"
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp10
+{
+    class Calculate
+    {
+    }
+}
\ No newline at end of file
diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Cat.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Cat.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..2c9f24687b5c2e7478c6e90c73ce8ebd88ed5bf8
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Cat.cs"
@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp10
+{
+    class Cat : CatType
+    {
+
+        public void Myaction()
+        {
+            Legcount();
+            Jiao();
+
+        }
+        public override void Legcount()
+        {
+            //base.Jiao();
+            Console.WriteLine("我有{0}条腿", Lag);
+
+        }
+        public override void Jiao()
+        {
+            //base.Jiao();
+            Console.WriteLine("我会喵喵叫！");
+
+        }
+    }
+}
\ No newline at end of file
diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/CatType.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/CatType.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..fb8df33dadec9c37a33c38cbc3e7df508d4f0289
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/CatType.cs"
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp10
+{
+    class CatType : Animal
+    {
+
+        public void SeeNight()
+        {
+            Console.WriteLine("我可以夜视");
+        }
+    }
+}
\ No newline at end of file
diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/ClooseAnimal.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/ClooseAnimal.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..83b4ec7c495077cf95f7e9ad4fa7a3e5eacfed78
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/ClooseAnimal.cs"
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp10
+{
+    class ClooseAnimal
+    {
+        public void ThisAnimal(Animal animal)
+        {
+            animal.Publicaction();
+        }
+    }
+}
\ No newline at end of file
diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Eagin.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Eagin.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..11e003c7899daad1d1b03a5c7c5cc999a1e7d53d
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Eagin.cs"
@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp10
+{
+    class Eagin : BoridType
+    {
+
+        public void Myaction()
+        {
+            Legcount();
+            Jiao();
+
+        }
+
+        public override void Legcount()
+        {
+            //base.Jiao();
+            Console.WriteLine("我有{0}条腿", Lag);
+
+        }
+
+        public override void Jiao()
+        {
+            //base.Jiao();
+            Console.WriteLine("我会嘎嘎叫！！！");
+
+        }
+    }
+}
\ No newline at end of file
diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Program.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Program.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..22e6036658c551bf86f6c4b2734ec5e9386fb311
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Program.cs"
@@ -0,0 +1,59 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp10
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            //Cat cat = new Cat();
+            //cat.SeeNight();
+            //cat.Publicaction();
+            //cat.Myaction();
+
+
+
+            //YanZi yanZi = new YanZi();
+            //yanZi.Fry();
+            //yanZi.Publicaction();
+            //yanZi.Myaction();
+
+            Console.WriteLine("请选择你要选的动物：1.老虎 2.猫 3.燕子 4.老鹰");
+            int key = Convert.ToInt32(Console.ReadLine());
+            Animal animal;
+            switch (key)
+            {
+                case 1:
+                    animal = new Tiger();
+                    animal.Jiao();
+                    break;
+                case 2:
+                    animal = new Cat();
+                    animal.Jiao();
+                    break;
+                case 3:
+                    animal = new YanZi();
+                    animal.Jiao();
+                    break;
+                case 4:
+                    animal = new Eagin();
+                    animal.Jiao();
+                    break;
+                default:
+                    animal = new Tiger();
+                    break;
+            }
+
+            ClooseAnimal clooseAnimal = new ClooseAnimal();
+            clooseAnimal.ThisAnimal(animal);
+
+        }
+    }
+
+
+
+}
\ No newline at end of file
diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Shape.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Shape.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..52dac1b5cf362c0e935080c501fcb68cb299f9e3
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Shape.cs"
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp12
+{
+    class Shape
+    {
+        public string color;
+        public virtual void GetArea()
+        {
+
+        }
+    }
+}
diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Square.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Square.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..a820efcb2491beebbc1ae6129a4682efc0f3853f
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Square.cs"
@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp12
+{
+    class Square : Shape
+    {
+        public int sideLen;
+        public override void GetArea()
+        {
+            base.GetArea();
+            Console.WriteLine("长方形的面积为" + (sideLen *sideLen));
+        }
+    }
+}
diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Tiger.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Tiger.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..a02f4eab71461cd05763bc57846d7d0e48dbb95c
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/Tiger.cs"
@@ -0,0 +1,31 @@
+using System;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp10
+{
+    class Tiger : CatType
+    {
+
+
+        public void Myaction()
+        {
+            Legcount();
+            Jiao();
+
+        }
+        public override void Legcount()
+        {
+            //base.Jiao();
+            Console.WriteLine ("我有{0}条腿", Lag);
+
+        }
+
+        public override void Jiao()
+        {
+            //base.Jiao();
+            Console.WriteLine("我会咆哮！！！");
+
+        }
+    }
+}
\ No newline at end of file
diff --git "a/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/YanZi.cs" "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/YanZi.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..edfb90d6451f7e079468727134dc8c9dd9e8bfbf
--- /dev/null
+++ "b/\347\254\2541\346\254\241\344\275\234\344\270\232/\346\235\216\345\272\206\346\211\215/\346\226\260\345\273\272\346\226\207\344\273\266\345\244\271/YanZi.cs"
@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp10
+{
+    class YanZi : BoridType
+    {
+
+
+        public void Myaction()
+        {
+            Legcount();
+            Jiao();
+
+        }
+        public override void Legcount()
+        {
+            //base.Jiao();
+            Console.WriteLine("我有{0}条腿", Lag);
+
+        }
+
+        public override void Jiao()
+        {
+            //base.Jiao();
+            Console.WriteLine("我会叽叽叫！！！");
+
+        }
+    }
+}
\ No newline at end of file