diff --git a/Middleware/Lab7/user/pom.xml b/Middleware/Lab7/user/pom.xml
index 824f865..645bdf8 100644
--- a/Middleware/Lab7/user/pom.xml
+++ b/Middleware/Lab7/user/pom.xml
@@ -72,7 +72,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.47</version>
+            <version>1.2.83</version>
         </dependency>
         <!--configuration-->
         <dependency>