增加mongodb 包

pom.xml

@@ -52,7 +52,12 @@
 			<artifactId>mybatis-plus-boot-starter</artifactId>
 			<version>3.1.2</version>
 		</dependency> -->
-		
+		<!--增加MongoDB-->
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-mongodb</artifactId>
+		</dependency>
+
 	    <dependency>
 		    <groupId>com.alibaba</groupId>
 		    <artifactId>easyexcel</artifactId>