diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 66e1b7c..7e066c9
--- a/pom.xml
+++ b/pom.xml
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
-            <version>4.3.0.RELEASE</version>
+            <version>5.2.22.RELEASE</version>
         </dependency>
         <!-- 利用IOC管理Bean的包 -->
         <dependency>