diff --git a/code/dubbo-demo/pom.xml b/code/dubbo-demo/pom.xml
old mode 100755
new mode 100644
index 1a0ecbcdf..014e2a834
--- a/code/dubbo-demo/pom.xml
+++ b/code/dubbo-demo/pom.xml
@@ -42,7 +42,7 @@ limitations under the License.
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>dubbo</artifactId>
-            <version>2.6.0</version>
+            <version>2.6.9</version>
         </dependency>
 
         <!--dubbo注册中心-->