diff --git a/code/dubbo-demo/pom.xml b/code/dubbo-demo/pom.xml
old mode 100755
new mode 100644
index 1a0ecbcdf..72f05d2a6
--- a/code/dubbo-demo/pom.xml
+++ b/code/dubbo-demo/pom.xml
@@ -27,7 +27,7 @@ limitations under the License.
     <description>The demo module of dubbo project</description>
 
     <properties>
-        <spring.version>4.3.14.RELEASE</spring.version>
+        <spring.version>5.3.18</spring.version>
     </properties>
 
     <modules>