diff --git a/ExtendJar/opengauss-jdbc-5.0.0.jar b/ExtendJar/opengauss-jdbc-5.0.0.jar
deleted file mode 100644
index 1318002..0000000
Binary files a/ExtendJar/opengauss-jdbc-5.0.0.jar and /dev/null differ
diff --git a/pom.xml b/pom.xml
index 181f995..6150b60 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,18 +13,7 @@
     </properties>
 
     <repositories>
-        <repository>
-            <id>ali-maven</id>
-            <url>http://maven.aliyun.com/nexus/content/groups/public</url>
-            <releases>
-                <enabled>true</enabled>
-            </releases>
-            <snapshots>
-                <enabled>true</enabled>
-                <updatePolicy>always</updatePolicy>
-                <checksumPolicy>fail</checksumPolicy>
-            </snapshots>
-        </repository>
+        
     </repositories>
 
     <dependencies>
@@ -248,7 +237,7 @@
             <version>1.7.36</version>
         </dependency>
 
-        <!--         https://mvnrepository.com/artifact/org.opengauss/opengauss-jdbc -->
+        <!-- https://mvnrepository.com/artifact/org.opengauss/opengauss-jdbc -->
         <dependency>
             <groupId>org.opengauss</groupId>
             <artifactId>opengauss-jdbc</artifactId>