diff --git a/pom.xml b/pom.xml
index 0cd29c5..f173e7f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -51,6 +51,7 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <jackson.version>2.8.6</jackson.version>
+    <json-lib.version>2.4</json-lib.version>
     <spring.version>4.3.6.RELEASE</spring.version>
     <mybatis.version>3.3.1</mybatis.version>
     <slf4j.version>1.7.18</slf4j.version>
@@ -86,6 +87,11 @@
       <artifactId>jackson-annotations</artifactId>
       <version>${jackson.version}</version>
     </dependency>
+    <dependency>
+      <groupId>net.sf.json-lib</groupId>
+      <artifactId>json-lib</artifactId>
+      <version>${json-lib.version}</version>
+    </dependency>
     <dependency>
       <groupId>org.mybatis</groupId>
       <artifactId>mybatis</artifactId>