diff --git a/case 4.7.3 Internet OAuth/case Common Internet OAuth/pom.xml b/case 4.7.3 Internet OAuth/case Common Internet OAuth/pom.xml
index 1f37168a..155cd26e 100644
--- a/case 4.7.3 Internet OAuth/case Common Internet OAuth/pom.xml	
+++ b/case 4.7.3 Internet OAuth/case Common Internet OAuth/pom.xml	
@@ -34,7 +34,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.69</version>
+            <version>1.2.83</version>
         </dependency>
 
         <!-- DingTalk  -->