fix spring-boot-example, but cloud even cannot use

    </modules>

    <dependencies>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter</artifactId>

            <version>${spring-boot.version}</version>

        </dependency>

        <!-- switch off when using orchestration -->

        <dependency>

            <groupId>io.shardingsphere</groupId>

            <artifactId>sharding-jdbc-spring-boot-starter</artifactId>

            <version>${sharding-sphere.version}</version>

        </dependency>

        <!-- switch on when using orchestration -->

        <!-- 

        <dependency>

            <groupId>io.shardingsphere</groupId>

            <artifactId>sharding-jdbc-orchestration-spring-boot-starter</artifactId>

            <version>${sharding-sphere.version}</version>

        </dependency>

        -->

        <dependency>

            <groupId>com.zaxxer</groupId>

            <artifactId>HikariCP-java7</artifactId>