diff --git a/mvndownload/pom.xml b/mvndownload/pom.xml
index 749c039..9bfed1f 100644
--- a/mvndownload/pom.xml
+++ b/mvndownload/pom.xml
@@ -26,7 +26,7 @@
 		<fst.version>2.57</fst.version>
 		<fse.version>aegean-2.1</fse.version>
 		<xson.version>1.0.2</xson.version>
-		<jackson.version>2.11.2</jackson.version>
+		<jackson.version>2.17.0</jackson.version>
 		<msgpack.version>0.8.22</msgpack.version>
 		<disruptor.version>3.4.4</disruptor.version>
 
@@ -445,7 +445,7 @@
                 </exclusion>
             </exclusions>
         </dependency>
-        <!--ʹÓà sshj ʱ£¬ÐèÒª½ÓÏÂÀ´µÄ4¸öÒÀÀµ-->
+        <!--ʹ�� sshj ʱ����Ҫ��������4������-->
         <dependency>
             <groupId>org.bouncycastle</groupId>
             <artifactId>bcprov-jdk15on</artifactId>