[SCB-1619] translate  comments of oas-generator

Signed-off-by: kakulisen <18813972746@163.com>
diff --git a/oas-generator/oas-generator-core/src/main/java/org/apache/servicecomb/toolkit/generator/HttpStatuses.java b/oas-generator/oas-generator-core/src/main/java/org/apache/servicecomb/toolkit/generator/HttpStatuses.java
index 0064daa..b1a86ca 100644
--- a/oas-generator/oas-generator-core/src/main/java/org/apache/servicecomb/toolkit/generator/HttpStatuses.java
+++ b/oas-generator/oas-generator-core/src/main/java/org/apache/servicecomb/toolkit/generator/HttpStatuses.java
@@ -19,6 +19,9 @@
 
 public class HttpStatuses {
 
-  public static String OK = "200";
+  /**
+   *  HTTP/1.0 - RFC 1945
+   */
+  public final static String OK = "200";
 
 }
diff --git a/oas-generator/oas-generator-core/src/main/java/org/apache/servicecomb/toolkit/generator/context/OasContext.java b/oas-generator/oas-generator-core/src/main/java/org/apache/servicecomb/toolkit/generator/context/OasContext.java
index 22bc2c7..d1a80ff 100644
--- a/oas-generator/oas-generator-core/src/main/java/org/apache/servicecomb/toolkit/generator/context/OasContext.java
+++ b/oas-generator/oas-generator-core/src/main/java/org/apache/servicecomb/toolkit/generator/context/OasContext.java
@@ -75,7 +75,7 @@
       pathItem.operation(HttpMethod.valueOf(operationCtx.getHttpMethod()), operationCtx.toOperation());
     }
 
-    // 如果没有restful资源则返回null
+    // return null if there is no restful resource
     if (openAPI.getPaths() == null || openAPI.getPaths().size() == 0) {
       return null;
     }
diff --git a/oas-generator/oas-generator-core/src/main/java/org/apache/servicecomb/toolkit/generator/context/OperationContext.java b/oas-generator/oas-generator-core/src/main/java/org/apache/servicecomb/toolkit/generator/context/OperationContext.java
index 02d8352..3560b3b 100644
--- a/oas-generator/oas-generator-core/src/main/java/org/apache/servicecomb/toolkit/generator/context/OperationContext.java
+++ b/oas-generator/oas-generator-core/src/main/java/org/apache/servicecomb/toolkit/generator/context/OperationContext.java
@@ -107,7 +107,7 @@
     Content content = new Content();
     MediaType mediaType = new MediaType();
 
-    // 处理参数
+    // process parameter
     List<Parameter> parameterList = parameterContexts.stream()
         .map(parameterContext ->
         {
@@ -164,8 +164,9 @@
     if (apiResponses == null) {
       return;
     }
-    // 处理响应
-    // 没有注解被处理
+
+    // no annotations are processed
+    // generate a default response based on the method return value
     if (apiResponses.get(HttpStatuses.OK) == null) {
       ApiResponse apiResponse = new ApiResponse();
 
diff --git a/oas-generator/oas-generator-core/src/main/java/org/apache/servicecomb/toolkit/generator/parser/api/OpenApiAnnotationParser.java b/oas-generator/oas-generator-core/src/main/java/org/apache/servicecomb/toolkit/generator/parser/api/OpenApiAnnotationParser.java
index f4f722e..c527126 100644
--- a/oas-generator/oas-generator-core/src/main/java/org/apache/servicecomb/toolkit/generator/parser/api/OpenApiAnnotationParser.java
+++ b/oas-generator/oas-generator-core/src/main/java/org/apache/servicecomb/toolkit/generator/parser/api/OpenApiAnnotationParser.java
@@ -36,7 +36,8 @@
   void parser(Class<?> cls, OasContext context);
 
   /**
-   * 用于排序, 对于同一个类,同时只能为springmvc或者jaxrs其中一种
+   * Used for sorting
+   * For the same parsing class, only the same programming model can be parsed at the same time.
    * @return
    */
   int getOrder();