diff --git a/pom.xml b/pom.xml
index 86ad606..febe935 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>cn.citycraft</groupId>
 	<artifactId>Yum</artifactId>
-	<version>1.7.3</version>
+	<version>1.7.4</version>
 	<name>Yum</name>
 	<description>Minecraft 服务器插件管理系统</description>
 	<build>
@@ -55,7 +55,7 @@
 	</build>
 	<properties>
 		<jenkins.url>http://ci.citycraft.cn:8080</jenkins.url>
-		<update.description>&amp;3修复一个迭代错误 &amp;a安装插件时命名为插件名称...</update.description>
+		<update.description>修复更新仓库时产生的NPE错误...</update.description>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 	</properties>
 	<repositories>
diff --git a/src/main/java/cn/citycraft/Yum/manager/RepositoryManager.java b/src/main/java/cn/citycraft/Yum/manager/RepositoryManager.java
index f19e17b..517fc12 100644
--- a/src/main/java/cn/citycraft/Yum/manager/RepositoryManager.java
+++ b/src/main/java/cn/citycraft/Yum/manager/RepositoryManager.java
@@ -48,7 +48,7 @@ public class RepositoryManager {
 
 	public boolean addPackage(final CommandSender sender, final String urlstring) {
 		final String json = getHtml(urlstring);
-		if (json.isEmpty()) {
+		if (json == null || json.isEmpty()) {
 			return false;
 		}
 		final PackageInfo pkg = jsonToPackage(json);
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index 798580b..21b6bd7 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -1,7 +1,7 @@
 name: ${project.artifactId}
 description: ${project.description}
 main: ${project.groupId}.${project.artifactId}.${project.artifactId}
-version: ${project.version}
+version: ${project.version}-Build#${env.BUILD_NUMBER}
 author: 喵♂呜
 website: ${jenkins.url}/job/${project.artifactId}/
 commands: