diff --git a/ESStudy/pom.xml b/ESStudy/pom.xml
index 60ae36b..fc7f41f 100644
--- a/ESStudy/pom.xml
+++ b/ESStudy/pom.xml
@@ -50,7 +50,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.11</version>
+            <version>1.2.83</version>
         </dependency>
     </dependencies>
     <build>