fix some code style

        </dependency>

    </dependencies>

    <build>

        <pluginManagement>

            <plugins>

                <plugin>

                    <groupId>org.apache.maven.plugins</groupId>

                    <artifactId>maven-resources-plugin</artifactId>

                    <version>${maven-resources-plugin.version}</version>

                </plugin>

                <plugin>

                    <groupId>org.apache.maven.plugins</groupId>

                    <artifactId>maven-jar-plugin</artifactId>

                    <version>${maven-jar-plugin.version}</version>

                </plugin>

                <plugin>

                    <groupId>org.apache.maven.plugins</groupId>

                    <artifactId>maven-surefire-plugin</artifactId>

                    <configuration>

                        <argLine>-Xmx1024m -XX:MaxPermSize=256m</argLine>

                    </configuration>

                </plugin>

                <plugin>

                    <groupId>org.apache.maven.plugins</groupId>

                    <artifactId>maven-site-plugin</artifactId>

                    <version>${maven-site-plugin.version}</version>

                    <configuration>

                        <locales>${project.build.locale}</locales>

                    </configuration>

                </plugin>

                <plugin>

                    <groupId>org.eclipse.m2e</groupId>

                    <artifactId>lifecycle-mapping</artifactId>

                    <version>${lifecycle-mapping.version}</version>

                    <configuration>

                        <lifecycleMappingMetadata>

                            <pluginExecutions>

                                <pluginExecution>

                                    <pluginExecutionFilter>

                                        <groupId>org.apache.maven.plugins</groupId>

                                        <artifactId>maven-enforcer-plugin</artifactId>

                                        <versionRange>[1.0.0,)</versionRange>

                                        <goals>

                                            <goal>enforce</goal>

                                        </goals>

                                    </pluginExecutionFilter>

                                    <action>

                                        <ignore />

                                    </action>

                                </pluginExecution>

                                <pluginExecution>

                                    <pluginExecutionFilter>

                                        <groupId>org.apache.maven.plugins</groupId>

                                        <artifactId>maven-plugin-plugin</artifactId>

                                        <versionRange>[1.0.0,)</versionRange>

                                        <goals>

                                            <goal>descriptor</goal>

                                        </goals>

                                    </pluginExecutionFilter>

                                    <action>

                                        <ignore />

                                    </action>

                                </pluginExecution>

                            </pluginExecutions>

                        </lifecycleMappingMetadata>

                    </configuration>

                </plugin>

                <plugin>

                    <groupId>org.apache.maven.plugins</groupId>

                    <artifactId>maven-plugin-plugin</artifactId>

                    <version>${maven-plugin-plugin.version}</version>

                    <configuration>

                        <skipErrorNoDescriptorsFound>true</skipErrorNoDescriptorsFound>

                    </configuration>

                    <executions>

                        <execution>

                            <id>default-descriptor</id>

                            <phase>process-classes</phase>

                        </execution>

                    </executions>

                </plugin>

                <plugin>

                    <groupId>org.apache.maven.plugins</groupId>

                    <artifactId>maven-javadoc-plugin</artifactId>

                    <version>${maven-javadoc-plugin.version}</version>

                </plugin>

                <plugin>

                    <groupId>org.apache.maven.plugins</groupId>

                    <artifactId>maven-source-plugin</artifactId>

                    <version>${maven-source-plugin.version}</version>

                </plugin>

            </plugins>

        </pluginManagement>

        <plugins>

            <plugin>

                <groupId>org.apache.maven.plugins</groupId>

                <artifactId>maven-source-plugin</artifactId>

                <executions>

                    <execution>

                        <id>attach-sources</id>

                        <phase>verify</phase>

                        <goals>

                            <goal>jar-no-fork</goal>

                        </goals>

                    </execution>

                </executions>

            </plugin>

            <plugin>

                <groupId>org.apache.maven.plugins</groupId>

                <artifactId>maven-javadoc-plugin</artifactId>

                <executions>

                    <execution>

                        <id>attach-javadocs</id>

                        <goals>

                            <goal>jar</goal>

                        </goals>

                    </execution>

                </executions>

                <configuration>

                    <aggregate>true</aggregate>

                    <charset>${project.build.sourceEncoding}</charset>

                    <encoding>${project.build.sourceEncoding}</encoding>

                    <docencoding>${project.build.sourceEncoding}</docencoding>

                </configuration>

            </plugin>

            <plugin>

                <groupId>org.apache.maven.plugins</groupId>

                <artifactId>maven-enforcer-plugin</artifactId>

                <version>${maven-enforcer-plugin.version}</version>

                <executions>

                    <execution>

                        <id>enforce-banned-dependencies</id>

                        <goals>

                            <goal>enforce</goal>

                        </goals>

                        <configuration>

                            <rules>

                                <requireMavenVersion>

                                    <version>${maven.version.range}</version>

                                </requireMavenVersion>

                                <requireJavaVersion>

                                    <version>${java.version}</version>

                                </requireJavaVersion>

                            </rules>

                            <fail>true</fail>

                        </configuration>

                    </execution>

                </executions>

            </plugin>

            <plugin>

                <groupId>org.codehaus.mojo</groupId>

                <artifactId>cobertura-maven-plugin</artifactId>

                <version>${cobertura-maven-plugin.version}</version>

                <configuration>

                    <check>

                        <branchRate>85</branchRate>

                        <lineRate>85</lineRate>

                        <haltOnFailure>true</haltOnFailure>

                        <totalBranchRate>85</totalBranchRate>

                        <totalLineRate>85</totalLineRate>

                        <packageLineRate>85</packageLineRate>

                        <packageBranchRate>85</packageBranchRate>

                    </check>

                    <aggregate>true</aggregate>

                    <encoding>${project.build.sourceEncoding}</encoding>

                    <quiet>true</quiet>

                    <format>xml</format>

                    <instrumentation>

                        <ignoreTrivial>true</ignoreTrivial>

                        <excludes>

                            <exclude>io/shardingjdbc/**/*Test.class</exclude>

                            <exclude>io/shardingjdbc/**/Test*.class</exclude>

                        </excludes>

                    </instrumentation>

                </configuration>

            </plugin>

            <plugin>

                <groupId>org.eluder.coveralls</groupId>

                <artifactId>coveralls-maven-plugin</artifactId>

                <version>${coveralls-maven-plugin.version}</version>

            </plugin>

        </plugins>

    </build>

    <reporting>

        <plugins>

            <plugin>