diff --git "a/11 \351\202\271\344\272\250\344\274\237/0509.md" "b/11 \351\202\271\344\272\250\344\274\237/0509.md"
new file mode 100644
index 0000000000000000000000000000000000000000..093892c4f9759d65796a3cbfcc322f007597c32e
--- /dev/null
+++ "b/11 \351\202\271\344\272\250\344\274\237/0509.md"	
@@ -0,0 +1,21 @@
+```
+public class Test {
+    public static void main(String[] args) {
+
+        while (true){
+            Scanner sc = new Scanner(System.in);
+            try {
+                System.out.println("输入两个整数");
+                System.out.println("第一个整数");
+                int a= sc.nextInt();
+                System.out.println("第二个整数");
+                int b=sc.nextInt();
+                System.out.println(a+b);
+            } catch (Exception e) {
+                System.out.println("不能输入整数以外的数字");
+            }
+        }
+        
+    }
+}
+```
\ No newline at end of file