update pom

pom.xml

@@ -7,11 +7,24 @@
     <groupId>io.milvus</groupId>
     <artifactId>milvus-sdk-java</artifactId>
     <version>1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
 
     <name>milvus-sdk-java</name>
     <description>Java SDK for Milvus distributed high-performance vector search engine. </description>
     <url>https://github.com/milvus-io/milvus-sdk-java</url>
 
+    <licenses>
+        <license>
+            <name>Apache License, Version 2.0</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+            <distribution>repo</distribution>
+        </license>
+    </licenses>
+
+    <scm>
+        <url>https://github.com/milvus-io/milvus-sdk-java.git</url>
+    </scm>
+
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <grpc.version>1.24.0</grpc.version><!-- CURRENT_GRPC_VERSION -->