upgrade springboot v1.5.17.RELEASE

pom.xml

@@ -13,7 +13,7 @@
         <version>2.0-SNAPSHOT</version>-->
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>1.5.16.RELEASE</version>
+        <version>1.5.17.RELEASE</version>
     </parent>
 
     <properties>
@@ -83,7 +83,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.49</version>
+            <version>1.2.51</version>
         </dependency>
         <dependency>
             <groupId>com.squareup.okhttp3</groupId>