修复fastjson≤1.2.80反序列化漏洞

pom.xml

@@ -153,7 +153,7 @@
 		<dependency>
          	<groupId>com.alibaba</groupId>
          	<artifactId>fastjson</artifactId>
-         	<version>1.2.56</version>
+         	<version>1.2.83</version>
         </dependency>
       
 		<!--mysql-->