diff --git a/README.md b/README.md
index 97c79e816e..1f8b8dcdaf 100644
--- a/README.md
+++ b/README.md
@@ -92,22 +92,22 @@ Solon v2.5.5-SNAPSHOT
 
 ```java
 @SolonMain
-public class App{
-    public static void main(String[] args){
-        Solon.start(App.class, args, app->{
+public class App {
+    public static void main(String[] args) {
+        Solon.start(App.class, args, app -> {
             //Handler 模式：
-            app.get("/hello",(c)->c.output("Hello world!"));
+            app.get("/hello", c -> c.output("Hello world!"));
         });
     }
 }
 
 //Controller 模式：(mvc or rest-api)
 @Controller
-public class HelloController{
+public class HelloController {
     //限定 Socket 方法类型
     @Socket
     @Mapping("/mvc/hello")
-    public String hello(String name){
+    public String hello(String name) {
         return "Hello " + name;
     }
 }
@@ -115,9 +115,9 @@ public class HelloController{
 //Remoting 模式：(rpc)
 @Mapping("/rpc/")
 @Remoting
-public class HelloServiceImpl implements HelloService{
+public class HelloServiceImpl implements HelloService {
     @Override
-    public String hello(){
+    public String hello() {
         return "Hello world!";
     }
 }
diff --git a/README_EN.md b/README_EN.md
index d57c36b773..45ceaf397d 100644
--- a/README_EN.md
+++ b/README_EN.md
@@ -91,22 +91,22 @@ Build from scratch. It has its own standards and norms and open ecology. Combina
 
 ```java
 @SolonMain
-public class App{
-    public static void main(String[] args){
-        Solon.start(App.class, args, app->{
+public class App {
+    public static void main(String[] args) {
+        Solon.start(App.class, args, app -> {
             //Handler mode:
-            app.get("/hello",(c)->c.output("Hello world!"));
+            app.get("/hello", c -> c.output("Hello world!"));
         });
     }
 }
 
 //Controller mode: (mvc or rest-api)
 @Controller
-public class HelloController{
+public class HelloController {
     //Limit Socket method type
     @Socket
     @Mapping("/mvc/hello")
-    public String hello(String name){
+    public String hello(String name) {
         return "Hello " + name;
     }
 }
@@ -114,9 +114,9 @@ public class HelloController{
 //Remoting mode: (rpc)
 @Mapping("/rpc/")
 @Remoting
-public class HelloServiceImpl implements HelloService{
+public class HelloServiceImpl implements HelloService {
     @Override
-    public String hello(){
+    public String hello() {
         return "Hello world!";
     }
 }
diff --git a/README_JP.md b/README_JP.md
index 3e86f312be..d739f5aa86 100644
--- a/README_JP.md
+++ b/README_JP.md
@@ -92,22 +92,22 @@ Solon v2.5.5-SNAPSHOT
 
 ```java
 @SolonMain
-public class App{
-    public static void main(String[] args){
-        Solon.start(App.class, args, app->{
+public class App {
+    public static void main(String[] args) {
+        Solon.start(App.class, args, app -> {
             //Handler mode：
-            app.get("/hello",(c)->c.output("Hello world!"));
+            app.get("/hello", c -> c.output("Hello world!"));
         });
     }
 }
 
 //Controller mode：(mvc or rest-api)
 @Controller
-public class HelloController{
+public class HelloController {
     //Socketメソッドタイプの修飾
     @Socket
     @Mapping("/mvc/hello")
-    public String hello(String name){
+    public String hello(String name) {
         return "Hello " + name;
     }
 }
@@ -115,9 +115,9 @@ public class HelloController{
 //Remoting mode：(rpc)
 @Mapping("/rpc/")
 @Remoting
-public class HelloServiceImpl implements HelloService{
+public class HelloServiceImpl implements HelloService {
     @Override
-    public String hello(){
+    public String hello() {
         return "Hello world!";
     }
 }
diff --git a/README_RU.md b/README_RU.md
index f61ba98b0c..3dc204fb18 100644
--- a/README_RU.md
+++ b/README_RU.md
@@ -92,22 +92,22 @@ Solon v2.5.5-SNAPSHOT
 
 ```java
 @SolonMain
-public class App{
-    public static void main(String[] args){
-        Solon.start(App.class, args, app->{
+public class App {
+    public static void main(String[] args) {
+        Solon.start(App.class, args, app -> {
             //Handler модел：
-            app.get("/hello",(c)->c.output("Hello world!"));
+            app.get("/hello", c -> c.output("Hello world!"));
         });
     }
 }
 
 //Controller модел：(mvc or rest-api)
 @Controller
-public class HelloController{
+public class HelloController {
     //Ограничение типов методов Socket
     @Socket
     @Mapping("/mvc/hello")
-    public String hello(String name){
+    public String hello(String name) {
         return "Hello " + name;
     }
 }
@@ -115,9 +115,9 @@ public class HelloController{
 //Remoting модел：(rpc)
 @Mapping("/rpc/")
 @Remoting
-public class HelloServiceImpl implements HelloService{
+public class HelloServiceImpl implements HelloService {
     @Override
-    public String hello(){
+    public String hello() {
         return "Hello world!";
     }
 }