diff --git a/xlcs-parent/pom.xml b/xlcs-parent/pom.xml
index 30378f7..319f389 100644
--- a/xlcs-parent/pom.xml
+++ b/xlcs-parent/pom.xml
@@ -136,27 +136,31 @@
         </dependencies>
     </dependencyManagement>
     <repositories>
+        <!--        <repository>-->
+        <!--            <id>nexus-aliyun</id>-->
+        <!--            <name>Nexus aliyun</name>-->
+        <!--            <layout>default</layout>-->
+        <!--            <url>https://maven.aliyun.com/repository/public</url>-->
+        <!--            <snapshots>-->
+        <!--                <enabled>false</enabled>-->
+        <!--            </snapshots>-->
+        <!--            <releases>-->
+        <!--                <enabled>true</enabled>-->
+        <!--            </releases>-->
+        <!--        </repository>-->
+        <!--        <repository>-->
+        <!--            <id>spring</id>-->
+        <!--            <url>https://maven.aliyun.com/repository/spring</url>-->
+        <!--            <releases>-->
+        <!--                <enabled>true</enabled>-->
+        <!--            </releases>-->
+        <!--            <snapshots>-->
+        <!--                <enabled>true</enabled>-->
+        <!--            </snapshots>-->
+        <!--        </repository>-->
         <repository>
-            <id>nexus-aliyun</id>
-            <name>Nexus aliyun</name>
-            <layout>default</layout>
-            <url>https://maven.aliyun.com/repository/public</url>
-            <snapshots>
-                <enabled>false</enabled>
-            </snapshots>
-            <releases>
-                <enabled>true</enabled>
-            </releases>
-        </repository>
-        <repository>
-            <id>spring</id>
-            <url>https://maven.aliyun.com/repository/spring</url>
-            <releases>
-                <enabled>true</enabled>
-            </releases>
-            <snapshots>
-                <enabled>true</enabled>
-            </snapshots>
+            <id>central</id>
+            <url>https://repo.maven.apache.org/maven2</url>
         </repository>
     </repositories>
 </project>