diff --git a/spring-boot-mongodb/pom.xml b/spring-boot-mongodb/pom.xml
old mode 100755
new mode 100644
index 92757e5..e7389de
--- a/spring-boot-mongodb/pom.xml
+++ b/spring-boot-mongodb/pom.xml
@@ -50,7 +50,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.4</version>
+            <version>1.2.83</version>
         </dependency>
 
     </dependencies>