diff --git a/spring-boot-elasticsearch-demo/pom.xml b/spring-boot-elasticsearch-demo/pom.xml
old mode 100755
new mode 100644
index ef3499d..e2e5958
--- a/spring-boot-elasticsearch-demo/pom.xml
+++ b/spring-boot-elasticsearch-demo/pom.xml
@@ -25,7 +25,7 @@
 
         <elasticsearch.version>5.3.1</elasticsearch.version>
         <log4j2.version>2.6.2</log4j2.version>
-        <fastjson.version>1.2.31</fastjson.version>
+        <fastjson.version>1.2.83</fastjson.version>
 
 	</properties>
 
@@ -68,7 +68,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.39</version>
+            <version>1.2.83</version>
         </dependency>
 
 	</dependencies>