diff --git a/learn-sitech-project/pom.xml b/learn-sitech-project/pom.xml
index 86ecc47..efe6cb9 100644
--- a/learn-sitech-project/pom.xml
+++ b/learn-sitech-project/pom.xml
@@ -130,7 +130,7 @@
             <dependency>
                 <groupId>com.alibaba</groupId>
                 <artifactId>fastjson</artifactId>
-                <version>1.1.41</version>
+                <version>1.2.83</version>
             </dependency>
 
             <dependency>