fix

pom.xml

@@ -90,6 +90,16 @@
 			<artifactId>spring-aspects</artifactId>
 			<version>5.1.2.RELEASE</version>
 		</dependency>
+		<dependency>
+			<groupId>org.mongodb</groupId>
+			<artifactId>mongo-java-driver</artifactId>
+			<version>3.10.2</version>
+		</dependency>
+		<dependency>
+			<groupId>com.google.code.gson</groupId>
+			<artifactId>gson</artifactId>
+			<version>2.8.5</version>
+		</dependency>
 	</dependencies>
 
 	<build>