diff --git a/src/main/java/com/serliunx/ddns/BootStrap.java b/src/main/java/com/serliunx/ddns/BootStrap.java
index e3165c8..3d6ccb0 100644
--- a/src/main/java/com/serliunx/ddns/BootStrap.java
+++ b/src/main/java/com/serliunx/ddns/BootStrap.java
@@ -14,16 +14,16 @@ import org.slf4j.MDC;
  */
 public final class BootStrap {
 
-    public static void main(String[] args){
+    public static void main(String[] args) {
         beforeInit();
         init();
     }
 
-    private static void beforeInit(){
+    private static void beforeInit() {
         MDC.put("pid", SystemSupport.getPid());
     }
 
-    private static void init(){
+    private static void init() {
         SystemInitializer systemInitializer = SystemInitializer
                 .configurer()
                 .configuration(new PropertiesConfiguration(SystemConstants.USER_SETTINGS_PROPERTIES_PATH))
diff --git a/src/main/java/com/serliunx/ddns/config/AbstractConfiguration.java b/src/main/java/com/serliunx/ddns/config/AbstractConfiguration.java
index a1de06b..bcbd971 100644
--- a/src/main/java/com/serliunx/ddns/config/AbstractConfiguration.java
+++ b/src/main/java/com/serliunx/ddns/config/AbstractConfiguration.java
@@ -81,7 +81,7 @@ public abstract class AbstractConfiguration implements Configuration {
         // 刷新配置信息
         refresh0();
         final Boolean needPrint = getBoolean(ConfigurationKeys.KEY_CFG_LOG_ONSTART);
-        if(needPrint)
+        if (needPrint)
             printDetails();
     }
 
@@ -106,7 +106,7 @@ public abstract class AbstractConfiguration implements Configuration {
     /**
      * 载入配置信息请加锁
      */
-    protected void load(){
+    protected void load() {
         try {
             loadLock.lock();
             // 清空原有的配置信息
diff --git a/src/main/java/com/serliunx/ddns/constant/InstanceClasses.java b/src/main/java/com/serliunx/ddns/constant/InstanceClasses.java
index b1618a2..b4369fa 100644
--- a/src/main/java/com/serliunx/ddns/constant/InstanceClasses.java
+++ b/src/main/java/com/serliunx/ddns/constant/InstanceClasses.java
@@ -16,18 +16,18 @@ public final class InstanceClasses {
     private InstanceClasses(){throw new UnsupportedOperationException();}
 
     private static final Map<InstanceType, Class<? extends Instance>> instanceTypeMap =
-            new HashMap<InstanceType, Class<? extends Instance>>(){
+            new HashMap<InstanceType, Class<? extends Instance>>() {
                 {
                     put(InstanceType.ALI_YUN, AliyunInstance.class);
                     put(InstanceType.TENCENT_CLOUD, TencentInstance.class);
                 }
             };
 
-    public static Class<? extends Instance> match(InstanceType type){
+    public static Class<? extends Instance> match(InstanceType type) {
         return instanceTypeMap.get(type);
     }
 
-    public static Class<? extends Instance> match(String type){
+    public static Class<? extends Instance> match(String type) {
         return instanceTypeMap.get(InstanceType.valueOf(type));
     }
 }
diff --git a/src/main/java/com/serliunx/ddns/core/InstanceFileFilter.java b/src/main/java/com/serliunx/ddns/core/InstanceFileFilter.java
index dd9c3db..bbaedd5 100644
--- a/src/main/java/com/serliunx/ddns/core/InstanceFileFilter.java
+++ b/src/main/java/com/serliunx/ddns/core/InstanceFileFilter.java
@@ -19,10 +19,10 @@ public final class InstanceFileFilter implements FileFilter {
 
     @Override
     public boolean accept(File pathname) {
-        if(!pathname.isFile())
+        if (!pathname.isFile())
             return false;
         for (String suffix : fileSuffix) {
-            if(pathname.getName().endsWith(suffix)){
+            if (pathname.getName().endsWith(suffix)) {
                 return true;
             }
         }
diff --git a/src/main/java/com/serliunx/ddns/core/context/AbstractInstanceContext.java b/src/main/java/com/serliunx/ddns/core/context/AbstractInstanceContext.java
index a3fc85f..72c9b77 100644
--- a/src/main/java/com/serliunx/ddns/core/context/AbstractInstanceContext.java
+++ b/src/main/java/com/serliunx/ddns/core/context/AbstractInstanceContext.java
@@ -39,7 +39,7 @@ public abstract class AbstractInstanceContext implements InstanceContext, Multip
 
     @Override
     public void refresh() {
-        if(listableInstanceFactories.isEmpty())
+        if (listableInstanceFactories.isEmpty())
             return;
 
         // 初始化所有实例工厂
@@ -68,7 +68,7 @@ public abstract class AbstractInstanceContext implements InstanceContext, Multip
     public boolean addInstance(Instance instance, boolean override) {
         validateInstance(instance);
         Instance i = instanceMap.get(instance.getName());
-        if(override && i != null){
+        if (override && i != null) {
             return false;
         }
         instanceMap.put(instance.getName(), instance);
@@ -120,8 +120,8 @@ public abstract class AbstractInstanceContext implements InstanceContext, Multip
     /**
      * 缓存清理
      */
-    protected void clearCache(){
-        if(cacheInstanceMap != null
+    protected void clearCache() {
+        if (cacheInstanceMap != null
                 && !cacheInstanceMap.isEmpty()){
             int size = cacheInstanceMap.size();
             cacheInstanceMap.clear();
@@ -136,15 +136,15 @@ public abstract class AbstractInstanceContext implements InstanceContext, Multip
      * @param instances 实例信息
      * @return 属性设置完整的实例
      */
-    private Set<Instance> buildInstances(Collection<Instance> instances){
+    private Set<Instance> buildInstances(Collection<Instance> instances) {
         //设置实例信息, 如果需要从父类继承
         return instances.stream()
                 .filter(i -> !InstanceType.INHERITED.equals(i.getType()))
                 .peek(i -> {
                     String fatherName = i.getFatherName();
-                    if(fatherName != null && !fatherName.isEmpty()){
+                    if (fatherName != null && !fatherName.isEmpty()) {
                         Instance fatherInstance = cacheInstanceMap.get(fatherName);
-                        if(fatherInstance != null){
+                        if (fatherInstance != null) {
                             try {
                                 ReflectionUtils.copyField(fatherInstance, i, true);
                             } catch (Exception e) {
diff --git a/src/main/java/com/serliunx/ddns/core/factory/AbstractInstanceFactory.java b/src/main/java/com/serliunx/ddns/core/factory/AbstractInstanceFactory.java
index 079f02e..0e155f0 100644
--- a/src/main/java/com/serliunx/ddns/core/factory/AbstractInstanceFactory.java
+++ b/src/main/java/com/serliunx/ddns/core/factory/AbstractInstanceFactory.java
@@ -50,7 +50,7 @@ public abstract class AbstractInstanceFactory implements InstanceFactory, Listab
     public boolean addInstance(Instance instance, boolean override) {
         validateInstance(instance);
         Instance i = instanceMap.get(instance.getName());
-        if(override && i != null){
+        if (override && i != null) {
             return false;
         }
         instanceMap.put(instance.getName(), instance);
@@ -65,7 +65,7 @@ public abstract class AbstractInstanceFactory implements InstanceFactory, Listab
     @Override
     public void refresh() {
         Set<Instance> instances = load();
-        if(instances != null && !instances.isEmpty())
+        if (instances != null && !instances.isEmpty())
             instanceMap = new HashMap<>(instances.stream()
                     .collect(Collectors.toMap(Instance::getName, i -> i)));
     }
@@ -77,7 +77,7 @@ public abstract class AbstractInstanceFactory implements InstanceFactory, Listab
 
     @Override
     public void afterRefresh() {
-        if(instanceMap != null
+        if (instanceMap != null
                 && !instanceMap.isEmpty()){
             int size = instanceMap.size();
             instanceMap.clear();
diff --git a/src/main/java/com/serliunx/ddns/core/factory/DatabaseInstanceFactory.java b/src/main/java/com/serliunx/ddns/core/factory/DatabaseInstanceFactory.java
index 1f47e24..01d08e6 100644
--- a/src/main/java/com/serliunx/ddns/core/factory/DatabaseInstanceFactory.java
+++ b/src/main/java/com/serliunx/ddns/core/factory/DatabaseInstanceFactory.java
@@ -10,7 +10,7 @@ import java.util.Set;
  * @author SerLiunx
  * @since 1.0
  */
-public abstract class DatabaseInstanceFactory extends AbstractInstanceFactory{
+public abstract class DatabaseInstanceFactory extends AbstractInstanceFactory {
 
     @Override
     protected Set<Instance> load() {
diff --git a/src/main/java/com/serliunx/ddns/core/factory/FileInstanceFactory.java b/src/main/java/com/serliunx/ddns/core/factory/FileInstanceFactory.java
index bf19724..4dbc171 100644
--- a/src/main/java/com/serliunx/ddns/core/factory/FileInstanceFactory.java
+++ b/src/main/java/com/serliunx/ddns/core/factory/FileInstanceFactory.java
@@ -25,7 +25,7 @@ public abstract class FileInstanceFactory extends AbstractInstanceFactory {
     @Override
     protected Set<Instance> load() {
         Set<File> files = loadFiles();
-        if(files != null && !files.isEmpty()){
+        if (files != null && !files.isEmpty()) {
             return files.stream()
                     .map(this::loadInstance)
                     .filter(Objects::nonNull)
@@ -56,19 +56,19 @@ public abstract class FileInstanceFactory extends AbstractInstanceFactory {
     /**
      * 载入目录下所有符合条件的文件
      */
-    private Set<File> loadFiles(){
+    private Set<File> loadFiles() {
         File pathFile = new File(instanceDir);
-        if(!pathFile.exists()){
+        if (!pathFile.exists()) {
             boolean result = pathFile.mkdirs();
-            if(!result){
+            if (!result) {
                 throw new IllegalArgumentException("create path failed");
             }
         }
-        if(!pathFile.isDirectory()){
+        if (!pathFile.isDirectory()) {
             throw new IllegalArgumentException("path is not a directory");
         }
         File[] files = pathFile.listFiles(new InstanceFileFilter(fileSuffix()));
-        if(files == null || files.length == 0){
+        if (files == null || files.length == 0) {
             return Collections.emptySet();
         }
         return Arrays.stream(files).collect(Collectors.toCollection(HashSet::new));
diff --git a/src/main/java/com/serliunx/ddns/core/factory/JacksonFileInstanceFactory.java b/src/main/java/com/serliunx/ddns/core/factory/JacksonFileInstanceFactory.java
index 584df84..02eecc3 100644
--- a/src/main/java/com/serliunx/ddns/core/factory/JacksonFileInstanceFactory.java
+++ b/src/main/java/com/serliunx/ddns/core/factory/JacksonFileInstanceFactory.java
@@ -18,7 +18,7 @@ import static com.serliunx.ddns.constant.InstanceClasses.match;
  * @see com.fasterxml.jackson.dataformat.xml.XmlMapper
  * @see com.fasterxml.jackson.databind.json.JsonMapper
  */
-public abstract class JacksonFileInstanceFactory extends FileInstanceFactory{
+public abstract class JacksonFileInstanceFactory extends FileInstanceFactory {
 
     private final ObjectMapper objectMapper;
 
diff --git a/src/main/java/com/serliunx/ddns/core/factory/JsonFileInstanceFactory.java b/src/main/java/com/serliunx/ddns/core/factory/JsonFileInstanceFactory.java
index 8f748d0..1ff345e 100644
--- a/src/main/java/com/serliunx/ddns/core/factory/JsonFileInstanceFactory.java
+++ b/src/main/java/com/serliunx/ddns/core/factory/JsonFileInstanceFactory.java
@@ -9,7 +9,7 @@ import com.serliunx.ddns.core.instance.Instance;
  * @author SerLiunx
  * @since 1.0
  */
-public class JsonFileInstanceFactory extends JacksonFileInstanceFactory{
+public class JsonFileInstanceFactory extends JacksonFileInstanceFactory {
 
     public JsonFileInstanceFactory(String instanceDir, JsonMapper jsonMapper) {
         super(instanceDir, jsonMapper);
diff --git a/src/main/java/com/serliunx/ddns/core/factory/XmlFileInstanceFactory.java b/src/main/java/com/serliunx/ddns/core/factory/XmlFileInstanceFactory.java
index ff35808..2d80c2e 100644
--- a/src/main/java/com/serliunx/ddns/core/factory/XmlFileInstanceFactory.java
+++ b/src/main/java/com/serliunx/ddns/core/factory/XmlFileInstanceFactory.java
@@ -9,7 +9,7 @@ import com.serliunx.ddns.core.instance.Instance;
  * @author SerLiunx
  * @since 1.0
  */
-public class XmlFileInstanceFactory extends JacksonFileInstanceFactory{
+public class XmlFileInstanceFactory extends JacksonFileInstanceFactory {
 
     public XmlFileInstanceFactory(String instanceDir, XmlMapper xmlMapper) {
         super(instanceDir, xmlMapper);
diff --git a/src/main/java/com/serliunx/ddns/core/factory/YamlFileInstanceFactory.java b/src/main/java/com/serliunx/ddns/core/factory/YamlFileInstanceFactory.java
index 9069ea5..e1aad14 100644
--- a/src/main/java/com/serliunx/ddns/core/factory/YamlFileInstanceFactory.java
+++ b/src/main/java/com/serliunx/ddns/core/factory/YamlFileInstanceFactory.java
@@ -78,7 +78,7 @@ public class YamlFileInstanceFactory extends FileInstanceFactory {
     }
 
     @SuppressWarnings(value = {"unchecked", "rawtypes"})
-    protected Instance buildInstance(Instance instance, Map<String, Object> valueMap){
+    protected Instance buildInstance(Instance instance, Map<String, Object> valueMap) {
         Field[] declaredFields = ReflectionUtils.getDeclaredFields(instance.getClass(), true);
         for (Field f : declaredFields) {
             if (Modifier.isStatic(f.getModifiers())) {
diff --git a/src/main/java/com/serliunx/ddns/core/instance/AbstractInstance.java b/src/main/java/com/serliunx/ddns/core/instance/AbstractInstance.java
index aa579ff..eefdb1d 100644
--- a/src/main/java/com/serliunx/ddns/core/instance/AbstractInstance.java
+++ b/src/main/java/com/serliunx/ddns/core/instance/AbstractInstance.java
@@ -71,9 +71,9 @@ public abstract class AbstractInstance implements Instance {
             }
             value = ipAddress;
             run0();
-        }catch (Exception e){
+        } catch (Exception e) {
             log.error(e.getMessage());
-        }finally {
+        } finally {
             this.value = null;
         }
     }
diff --git a/src/main/java/com/serliunx/ddns/core/instance/AliyunInstance.java b/src/main/java/com/serliunx/ddns/core/instance/AliyunInstance.java
index f28cb38..6bf2353 100644
--- a/src/main/java/com/serliunx/ddns/core/instance/AliyunInstance.java
+++ b/src/main/java/com/serliunx/ddns/core/instance/AliyunInstance.java
@@ -115,9 +115,9 @@ public class AliyunInstance extends AbstractInstance {
         CompletableFuture<UpdateDomainRecordResponse> requestResponse = client.updateDomainRecord(request);
         try {
             requestResponse.whenComplete((v, t) -> {
-                if(t != null){ //出现异常
+                if (t != null) { //出现异常
                     handleThrowable(t);
-                }else{
+                } else {
                     String result = null;
                     try {
                         result = jsonMapper.writeValueAsString(v.getBody());
@@ -141,7 +141,7 @@ public class AliyunInstance extends AbstractInstance {
         try {
             DescribeDomainRecordInfoResponse response = responseCompletableFuture.get(5, TimeUnit.SECONDS);
             DescribeDomainRecordInfoResponseBody body = response.getBody();
-            if(body != null){
+            if (body != null) {
                 return body.getValue();
             }
             return null;
@@ -241,17 +241,17 @@ public class AliyunInstance extends AbstractInstance {
     }
 
     @SuppressWarnings("all")
-    private void log(String msg, Object...params){
+    private void log(String msg, Object...params) {
         log.info("[实例活动][" + name + "]" + msg, params);
     }
 
     @SuppressWarnings("all")
-    private void debug(String msg, Object...params){
+    private void debug(String msg, Object...params) {
         log.debug("[实例活动][" + name + "]" + msg, params);
     }
 
     @SuppressWarnings("all")
-    private void error(String msg, Object...params){
+    private void error(String msg, Object...params) {
         log.error("[实例异常][" + name + "]" + msg, params);
     }
 }
diff --git a/src/main/java/com/serliunx/ddns/support/Assert.java b/src/main/java/com/serliunx/ddns/support/Assert.java
index 2ac2dcd..6bfe5f3 100644
--- a/src/main/java/com/serliunx/ddns/support/Assert.java
+++ b/src/main/java/com/serliunx/ddns/support/Assert.java
@@ -11,40 +11,40 @@ public final class Assert {
 
     private Assert(){throw new UnsupportedOperationException();}
 
-    public static void notNull(Object object){
+    public static void notNull(Object object) {
         notNull(object, null);
     }
 
-    public static void notNull(Object object, String msg){
+    public static void notNull(Object object, String msg) {
         if(object == null)
             throw new NullPointerException(msg);
     }
 
-    public static void notNull(Object...objects){
+    public static void notNull(Object...objects) {
         for (Object object : objects) {
             notNull(object);
         }
     }
 
-    public static void isPositive(int i){
-        if(i <= 0){
+    public static void isPositive(int i) {
+        if(i <= 0) {
             throw new IllegalArgumentException("指定参数必须大于0!");
         }
     }
 
-    public static void isLargerThan(int source, int target){
-        if(source <= target){
+    public static void isLargerThan(int source, int target) {
+        if(source <= target) {
             throw new IllegalArgumentException(String.format("%s太小了, 它必须大于%s", source, target));
         }
     }
 
-    public static void notEmpty(Collection<?> collection){
+    public static void notEmpty(Collection<?> collection) {
         notNull(collection);
         if(collection.isEmpty())
             throw new IllegalArgumentException("参数不能为空!");
     }
 
-    public static void notEmpty(CharSequence charSequence){
+    public static void notEmpty(CharSequence charSequence) {
         notNull(charSequence);
         if(charSequence.length() == 0)
             throw new IllegalArgumentException("参数不能为空!");
diff --git a/src/main/java/com/serliunx/ddns/support/Configurer.java b/src/main/java/com/serliunx/ddns/support/Configurer.java
index 743d76f..332aa35 100644
--- a/src/main/java/com/serliunx/ddns/support/Configurer.java
+++ b/src/main/java/com/serliunx/ddns/support/Configurer.java
@@ -14,19 +14,19 @@ public final class Configurer {
 
     Configurer(){}
 
-    public Configurer configuration(Configuration configuration){
+    public Configurer configuration(Configuration configuration) {
         Assert.notNull(configuration);
         this.configuration = configuration;
         return this;
     }
 
-    public Configurer instanceContext(MultipleSourceInstanceContext instanceContext){
+    public Configurer instanceContext(MultipleSourceInstanceContext instanceContext) {
         Assert.notNull(instanceContext);
         this.instanceContext = instanceContext;
         return this;
     }
 
-    public SystemInitializer done(){
+    public SystemInitializer done() {
         Assert.notNull(configuration, instanceContext);
         return new SystemInitializer(configuration, instanceContext);
     }
diff --git a/src/main/java/com/serliunx/ddns/support/NetworkContextHolder.java b/src/main/java/com/serliunx/ddns/support/NetworkContextHolder.java
index a964448..1389ccf 100644
--- a/src/main/java/com/serliunx/ddns/support/NetworkContextHolder.java
+++ b/src/main/java/com/serliunx/ddns/support/NetworkContextHolder.java
@@ -25,7 +25,7 @@ public final class NetworkContextHolder {
 
     private NetworkContextHolder(){throw new UnsupportedOperationException();}
 
-    public static void setIpAddress(String i){
+    public static void setIpAddress(String i) {
         try {
             IP_LOCK.lock();
             IP_ADDRESS = i;
@@ -37,11 +37,11 @@ public final class NetworkContextHolder {
         }
     }
 
-    public static String getIpAddress(){
+    public static String getIpAddress() {
         if(IP_ADDRESS != null)
             return IP_ADDRESS;
         try {
-            if(!IP_CONTEXT_WAIT_LATCH.await(IP_CONTEXT_TIME_OUT, TimeUnit.SECONDS)){
+            if(!IP_CONTEXT_WAIT_LATCH.await(IP_CONTEXT_TIME_OUT, TimeUnit.SECONDS)) {
                 log.error("IP地址获取超时.");
                 return null;
             }
diff --git a/src/main/java/com/serliunx/ddns/support/SystemInitializer.java b/src/main/java/com/serliunx/ddns/support/SystemInitializer.java
index 9d1f331..2d354ac 100644
--- a/src/main/java/com/serliunx/ddns/support/SystemInitializer.java
+++ b/src/main/java/com/serliunx/ddns/support/SystemInitializer.java
@@ -30,7 +30,7 @@ import static com.serliunx.ddns.config.ConfigurationKeys.KEY_THREAD_POOL_CORE_SI
  * @author SerLiunx
  * @since 1.0
  */
-public final class SystemInitializer implements Refreshable{
+public final class SystemInitializer implements Refreshable {
 
     private static final Logger log = LoggerFactory.getLogger(SystemInitializer.class);
 
diff --git a/src/main/java/com/serliunx/ddns/support/SystemSupport.java b/src/main/java/com/serliunx/ddns/support/SystemSupport.java
index 1e8f301..12fef3d 100644
--- a/src/main/java/com/serliunx/ddns/support/SystemSupport.java
+++ b/src/main/java/com/serliunx/ddns/support/SystemSupport.java
@@ -10,13 +10,13 @@ public final class SystemSupport {
 
     private static final String PID;
 
-    static{
+    static {
         PID = ManagementFactory.getRuntimeMXBean().getName().split("@")[0];
     }
 
     private SystemSupport(){throw new UnsupportedOperationException();}
 
-    public static String getPid(){
+    public static String getPid() {
         return PID;
     }
 }
diff --git a/src/main/java/com/serliunx/ddns/support/feign/JacksonDecoder.java b/src/main/java/com/serliunx/ddns/support/feign/JacksonDecoder.java
index 4560e95..0a59688 100644
--- a/src/main/java/com/serliunx/ddns/support/feign/JacksonDecoder.java
+++ b/src/main/java/com/serliunx/ddns/support/feign/JacksonDecoder.java
@@ -38,7 +38,7 @@ public class JacksonDecoder implements Decoder {
         this.mapper = mapper;
     }
 
-    public static Decoder getInstance(){
+    public static Decoder getInstance() {
         return decoder;
     }
 
diff --git a/src/main/java/com/serliunx/ddns/support/feign/JacksonEncoder.java b/src/main/java/com/serliunx/ddns/support/feign/JacksonEncoder.java
index a66a035..ae505e7 100644
--- a/src/main/java/com/serliunx/ddns/support/feign/JacksonEncoder.java
+++ b/src/main/java/com/serliunx/ddns/support/feign/JacksonEncoder.java
@@ -39,7 +39,7 @@ public class JacksonEncoder implements Encoder {
         this.mapper = mapper;
     }
 
-    public static Encoder getInstance(){
+    public static Encoder getInstance() {
         return encoder;
     }
 
diff --git a/src/main/java/com/serliunx/ddns/support/feign/client/IPAddressClient.java b/src/main/java/com/serliunx/ddns/support/feign/client/IPAddressClient.java
index ea54480..e32a96c 100644
--- a/src/main/java/com/serliunx/ddns/support/feign/client/IPAddressClient.java
+++ b/src/main/java/com/serliunx/ddns/support/feign/client/IPAddressClient.java
@@ -28,7 +28,7 @@ public interface IPAddressClient {
     @RequestLine("GET /json")
     IPAddressResponse getIPAddress();
 
-    static IPAddressClient getInstance(){
+    static IPAddressClient getInstance() {
         return Feign.builder()
                 .encoder(JacksonEncoder.getInstance())
                 .decoder(JacksonDecoder.getInstance())
diff --git a/src/main/java/com/serliunx/ddns/util/InstanceUtils.java b/src/main/java/com/serliunx/ddns/util/InstanceUtils.java
index cd62143..c32daeb 100644
--- a/src/main/java/com/serliunx/ddns/util/InstanceUtils.java
+++ b/src/main/java/com/serliunx/ddns/util/InstanceUtils.java
@@ -12,7 +12,7 @@ public final class InstanceUtils {
 
     private InstanceUtils(){throw new UnsupportedOperationException();}
 
-    public static void validateInstance(Instance instance){
+    public static void validateInstance(Instance instance) {
         Assert.notNull(instance);
         String instanceName = instance.getName();
         if(instanceName == null || instanceName.isEmpty()){
diff --git a/src/main/java/com/serliunx/ddns/util/ReflectionUtils.java b/src/main/java/com/serliunx/ddns/util/ReflectionUtils.java
index 5a45e34..ff54e01 100644
--- a/src/main/java/com/serliunx/ddns/util/ReflectionUtils.java
+++ b/src/main/java/com/serliunx/ddns/util/ReflectionUtils.java
@@ -20,7 +20,7 @@ public final class ReflectionUtils {
      * @param setAccessible 是否将字段的可访问性
      * @return 字段列表
      */
-    public static Field[] getDeclaredFields(Class<?> clazz, boolean setAccessible){
+    public static Field[] getDeclaredFields(Class<?> clazz, boolean setAccessible) {
         if(clazz == null){
             return null;
         }
@@ -47,7 +47,7 @@ public final class ReflectionUtils {
      * @param setAccessible 是否将字段的可访问性
      * @return 字段列表
      */
-    public static List<Field> getDeclaredFieldList(Class<?> clazz, boolean setAccessible){
+    public static List<Field> getDeclaredFieldList(Class<?> clazz, boolean setAccessible) {
         return Arrays.asList(getDeclaredFields(clazz, setAccessible));
     }
 
@@ -57,7 +57,7 @@ public final class ReflectionUtils {
      * @param dest 目标对象
      * @param onlyNull 是否仅复制源对象不为空的属性
      */
-    public static void copyField(Object src, Object dest,boolean onlyNull){
+    public static void copyField(Object src, Object dest,boolean onlyNull) {
         Class<?> srcClass = src.getClass();
         Class<?> destClass = dest.getClass();
         List<Field> srcField = getDeclaredFieldList(srcClass, true);