diff --git a/Data_Structure/pom.xml b/Data_Structure/pom.xml
index d43f076..f87262f 100644
--- a/Data_Structure/pom.xml
+++ b/Data_Structure/pom.xml
@@ -9,7 +9,7 @@
  <properties>
   		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <!-- spring版本号 -->  
-        <spring.version>4.3.9.RELEASE</spring.version>  
+        <spring.version>5.2.20.RELEASE</spring.version>  
         <!-- jackson版本号 -->  
         <jackson.version>2.8.8</jackson.version>
         <!-- mybatis版本号 -->