diff --git a/fullnode/pom.xml b/fullnode/pom.xml
old mode 100755
new mode 100644
index 2769c2ce..96633468
--- a/fullnode/pom.xml
+++ b/fullnode/pom.xml
@@ -12,7 +12,7 @@
         <jdk.version>1.8</jdk.version>
         <ice.version>3.7.1</ice.version>
         <junit.version>4.11</junit.version>
-        <fastjson.version>1.2.7</fastjson.version>
+        <fastjson.version>1.2.83</fastjson.version>
         <springcore.version>5.0.7.RELEASE</springcore.version>
         <commons-collections.version>3.2.1</commons-collections.version>
         <commons-beanutils.version>1.8.3</commons-beanutils.version>