diff --git a/Data_Structure/pom.xml b/Data_Structure/pom.xml
index d43f076..9fef81f 100644
--- a/Data_Structure/pom.xml
+++ b/Data_Structure/pom.xml
@@ -11,7 +11,7 @@
         <!-- spring版本号 -->  
         <spring.version>4.3.9.RELEASE</spring.version>  
         <!-- jackson版本号 -->  
-        <jackson.version>2.8.8</jackson.version>
+        <jackson.version>2.12.7.1</jackson.version>
         <!-- mybatis版本号 -->  
         <mybatis.version>3.4.4</mybatis.version>  
         <!-- MYBATIS与spring集成jar版本 -->