@@ -20,7 +20,7 @@
 	    <dependency>
 		    <groupId>com.google.code.gson</groupId>
 		    <artifactId>gson</artifactId>
-		    <version>2.8.6</version>
+		    <version>${gson.version}</version>
 		</dependency>
     </dependencies>
 
 
@@ -17,10 +17,10 @@
             <artifactId>okhttps</artifactId>
             <version>${okhttps.version}</version>
         </dependency>
-	    <dependency>
+		<dependency>
 		    <groupId>com.fasterxml.jackson.core</groupId>
-		    <artifactId>jackson-core</artifactId>
-		    <version>2.11.0</version>
+		    <artifactId>jackson-databind</artifactId>
+		    <version>${jackson.version}</version>
 		</dependency>
     </dependencies>
 
 
@@ -20,7 +20,9 @@
 	    <okhttps.version>2.0.0</okhttps.version>
 		<java-version>1.8</java-version>
 		<okhttp.version>3.14.7</okhttp.version>
+		<gson.version>2.8.6</gson.version>
 		<fastjson.version>1.2.67</fastjson.version>
+		<jackson.version>2.11.0</jackson.version>
 		<junit.version>4.12</junit.version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<sonatypeOssDistMgmtSnapshotsUrl>https://oss.sonatype.org/content/repositories/snapshots/</sonatypeOssDistMgmtSnapshotsUrl>