规范数据库，添加必要约束，优化通道批量导入功能

pom.xml

@@ -231,6 +231,14 @@
 <!--			<version>1.0.8</version>-->
 <!--		</dependency>-->
 
+		<!-- https://mvnrepository.com/artifact/com.google.guava/guava -->
+		<dependency>
+			<groupId>com.google.guava</groupId>
+			<artifactId>guava</artifactId>
+			<version>31.0.1-jre</version>
+		</dependency>
+
+
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>