diff --git a/alis-amu/alis-amu-example/src/main/resources/application.properties b/alis-amu/alis-amu-example/src/main/resources/application.properties
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/alis-amu/alis-amu-example/src/main/resources/application.properties
@@ -0,0 +1 @@
+
diff --git a/alis-amu/alis-amu-example/src/test/java/org/alis/amu/explame/AlisAmuExampleApplicationTests.java b/alis-amu/alis-amu-example/src/test/java/org/alis/amu/explame/AlisAmuExampleApplicationTests.java
new file mode 100644
index 0000000..1791418
--- /dev/null
+++ b/alis-amu/alis-amu-example/src/test/java/org/alis/amu/explame/AlisAmuExampleApplicationTests.java
@@ -0,0 +1,13 @@
+package org.alis.amu.explame;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class AlisAmuExampleApplicationTests {
+
+    @Test
+    void contextLoads() {
+    }
+
+}
diff --git a/alis-amu/alis-amu-server/src/test/java/org/alis/amu/AlisAmuServerApplicationTests.java b/alis-amu/alis-amu-server/src/test/java/org/alis/amu/AlisAmuServerApplicationTests.java
new file mode 100644
index 0000000..d645672
--- /dev/null
+++ b/alis-amu/alis-amu-server/src/test/java/org/alis/amu/AlisAmuServerApplicationTests.java
@@ -0,0 +1,13 @@
+package org.alis.amu;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class AlisAmuServerApplicationTests {
+
+    @Test
+    void contextLoads() {
+    }
+
+}
diff --git a/datastructure/src/main/java/org/alis/smallcc/algorithm/leetcode/LeetCode17.java b/datastructure/src/main/java/org/alis/smallcc/algorithm/leetcode/LeetCode17.java
new file mode 100644
index 0000000..0fb9d23
--- /dev/null
+++ b/datastructure/src/main/java/org/alis/smallcc/algorithm/leetcode/LeetCode17.java
@@ -0,0 +1,39 @@
+package org.alis.smallcc.algorithm.leetcode;
+
+/**
+ * 动态规划 算法
+ * n个楼梯 走法只能一步或者走两步 请问一共有多少种走法
+ * 
+ * @author alis
+ */
+public class LeetCode17 {
+
+    public static void main(String[] args) {
+        Integer count = advanced(1000);
+        System.out.println(count);
+    }
+
+    private static Integer advanced(Integer n) {
+
+        if (n == 1) {
+            return 1;
+        }
+
+        if (n == 2) {
+            return 2;
+        }
+
+        int a = 1;
+        int b = 2;
+        int temp = 0;
+
+        for (int i = 3; i <= n; i++) {
+            temp = a + b;
+            a=b;
+            b=temp;
+
+        }
+        return temp;
+    }
+
+}
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index f2b9d67..8e21d74 100644
--- a/pom.xml
+++ b/pom.xml
@@ -33,11 +33,11 @@
         <spring.cloud.alibaba.version>2021.1</spring.cloud.alibaba.version>
         <lombok.version>1.18.16</lombok.version>
         <hutool.version>5.7.15</hutool.version>
-        <mysql.connector.version>8.0.27</mysql.connector.version>
+        <mysql.connector.version>8.0.28</mysql.connector.version>
         <mybatis.plus.version>3.4.1</mybatis.plus.version>
         <druid.version>1.2.4</druid.version>
         <xxl.job.version>2.2.0</xxl.job.version>
-        <jackson.version>2.13.0</jackson.version>
+        <jackson.version>2.13.2.2</jackson.version>
         <knife4j.version>3.0.2</knife4j.version>
         <telesign.version>2.3.0</telesign.version>
         <jwt.version>8.20.1</jwt.version>
@@ -65,9 +65,9 @@
         <swagger-annotation.version>1.5.22</swagger-annotation.version>
         <mt4-sdk.version>1.0-SNAPSHOT</mt4-sdk.version>
         <mapstruct.version>1.4.2.Final</mapstruct.version>
-        <fastjson.version>1.2.41</fastjson.version>
+        <fastjson.version>1.2.80</fastjson.version>
         <apm-toolkit.version>8.8.0</apm-toolkit.version>
-        <jsoup.version>1.13.1</jsoup.version>
+        <jsoup.version>1.14.3</jsoup.version>
         <openfeign.version>3.1.0</openfeign.version>
         <guava.version>31.0.1-jre</guava.version>
         <statemachine.version>3.0.1</statemachine.version>