diff --git a/1.SSO单点登录/sys-a/pom.xml b/1.SSO单点登录/sys-a/pom.xml
index 63fe3b5..9e102cb 100644
--- a/1.SSO单点登录/sys-a/pom.xml
+++ b/1.SSO单点登录/sys-a/pom.xml
@@ -37,7 +37,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.4</version>
+            <version>1.2.83</version>
         </dependency>
     </dependencies>