diff --git a/OrderDemo/pom.xml b/OrderDemo/pom.xml
index ba46e9f..7046947 100644
--- a/OrderDemo/pom.xml
+++ b/OrderDemo/pom.xml
@@ -19,7 +19,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>1.8</java.version>
-        <fastjson.version>1.2.31</fastjson.version>
+        <fastjson.version>1.2.83</fastjson.version>
     </properties>
 
     <dependencies>