diff --git a/renren-admin/pom.xml b/renren-admin/pom.xml
index f0f5b50a..16977644 100644
--- a/renren-admin/pom.xml
+++ b/renren-admin/pom.xml
@@ -41,6 +41,8 @@
         <okhttp.version>3.14.9</okhttp.version>
         <flyway-core.version>8.5.12</flyway-core.version>
         <cas-client-autoconfig-support.version>2.0.0-GA</cas-client-autoconfig-support.version>
+        <contingencyplan.version>1.1.0</contingencyplan.version>
+        <org.json.json.verison>20180130</org.json.json.verison>
         <java.version>1.8</java.version>
     </properties>
 
@@ -226,7 +228,7 @@
             <groupId>com.yawei.oav2</groupId>
             <artifactId>yawei-pso</artifactId>
             <scope>system</scope>
-            <systemPath>${project.basedir}/lib/yawei-pso-2.0.2.jar</systemPath>
+            <systemPath>${project.basedir}/lib/yawei-pso-${yawei-pso.version}.jar</systemPath>
             <version>${yawei-pso.version}</version>
         </dependency>
         <!-- en ke video -->
@@ -234,14 +236,14 @@
             <groupId>sw.vc3term</groupId>
             <artifactId>contingencyplan</artifactId>
             <scope>system</scope>
-            <systemPath>${project.basedir}/lib/contingencyplan-1.1.0.jar</systemPath>
-            <version>1.1.0</version>
+            <systemPath>${project.basedir}/lib/contingencyplan-${contingencyplan.version}.jar</systemPath>
+            <version>${contingencyplan.version}</version>
         </dependency>
         <!-- en ke video -->
         <dependency>
             <groupId>org.json</groupId>
             <artifactId>json</artifactId>
-            <version>20180130</version>
+            <version>${org.json.json.verison}</version>
         </dependency>
         <dependency>
             <groupId>com.belerweb</groupId>
@@ -361,8 +363,7 @@
                             <classpathPrefix>lib/</classpathPrefix>
                         </manifest>
                         <manifestEntries>
-                            <Class-Path>. lib/yawei-pso-2.0.2.jar</Class-Path>
-                            <Class-Path>. lib/contingencyplan-1.1.0.jar</Class-Path>
+                            <Class-Path>. lib/yawei-pso-${yawei-pso.version}.jar lib/contingencyplan-${contingencyplan.version}.jar</Class-Path>
                         </manifestEntries>
                     </archive>
                 </configuration>