diff --git a/usergw-service/src/main/java/cn/ecpark/service/usergw/config/ConfigGateway.java b/usergw-service/src/main/java/cn/ecpark/service/usergw/config/ConfigGateway.java
index a9a2cf5..b02004e 100644
--- a/usergw-service/src/main/java/cn/ecpark/service/usergw/config/ConfigGateway.java
+++ b/usergw-service/src/main/java/cn/ecpark/service/usergw/config/ConfigGateway.java
@@ -1,7 +1,6 @@
 package cn.ecpark.service.usergw.config;
 
 import java.io.InputStream;
-import java.lang.annotation.Documented;
 import java.net.URI;
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -47,9 +46,15 @@ public class ConfigGateway implements RouteDefinitionLocator {
   private HashMap<String, BiConsumer<ReferenceConfig<GenericService>, Object>> specialField = new HashMap<String, BiConsumer<ReferenceConfig<GenericService>, Object>>();
   private Set<String> ignoreKey = new HashSet<>();
 
+  /**
+   * spring boot 上下文
+   */
   @Autowired
   private ApplicationContext appContext;
 
+  /**
+   * ConfigGateway 构造函数
+   */
   public ConfigGateway() {
     specialField.put("application", ConfigSpecialFunction::setApplication);
     specialField.put("registry", ConfigSpecialFunction::setRegistry);
@@ -212,7 +217,6 @@ public class ConfigGateway implements RouteDefinitionLocator {
    *                    默认配置一起生效
    * @param defaultYaml 配置Yaml.default-filters对象
    */
-  @SuppressWarnings("unchecked")
   private void getDefaultFilter(List<FilterDefinition> filters, List<String> defaultFiltersYaml) {
     // default-filters: 下的相关设置
     if (defaultFiltersYaml != null) {
@@ -247,6 +251,12 @@ public class ConfigGateway implements RouteDefinitionLocator {
     }
   }
 
+  /**
+   * 
+   * @param rd {@link RouteDefinition}
+   * @param iter Yaml.dubbo.routes
+   * @return dubboUri eg. dubbo://application/group/com.a.b:1.0.0
+   */
   @SuppressWarnings("unchecked")
   private String parseDubboUriAndSetBase(RouteDefinition rd, LinkedHashMap<String, List<String>> iter) {
     // 设置id
@@ -282,7 +292,7 @@ public class ConfigGateway implements RouteDefinitionLocator {
 
     String UriString = "dubbo://";
 
-    // TODO: 以后可以完善dubbo-{flag}形式的判断
+    // TODO: 以后可以完善dubbo-flag形式的判断
     Object methods = iter.get("methods");
     if (methods == null || ((List<Object>) methods).size() == 0) {
       UriString = "dubbo-allowed://";
@@ -332,6 +342,12 @@ public class ConfigGateway implements RouteDefinitionLocator {
     return UriString;
   }
 
+  /**
+   * 
+   * @param predicates List<{@link PredicateDefinition}> 断言列表 
+   * @param iter restful.routes.predicates
+   * @param yamlField 根据域的key 获取 predicates 字符串列
+   */
   private void parseAndAddPredicates(List<PredicateDefinition> predicates, LinkedHashMap<String, List<String>> iter,
       String yamlField) {
     List<String> predicatesYaml = iter.get(yamlField);
@@ -342,6 +358,12 @@ public class ConfigGateway implements RouteDefinitionLocator {
     }
   }
 
+  /**
+   * 
+   * @param filters List<{@link FilterDefinition}> 过滤器列表 
+   * @param iter restful.routes.filters
+   * @param yamlField  根据域的key 获取 filters 字符串列
+   */
   private void parseAndAddFilters(List<FilterDefinition> filters, LinkedHashMap<String, List<String>> iter,
       String yamlField) {
     List<String> filtersYaml = iter.get(yamlField);
@@ -355,6 +377,13 @@ public class ConfigGateway implements RouteDefinitionLocator {
     }
   }
 
+  /**
+   * 
+   * @param dubboUri 获取返回的字符串 {@link #parseDubboUriAndSetBase(RouteDefinition, LinkedHashMap)}
+   * @param filters List<{@link FilterDefinition}> 过滤器列表 
+   * @param iter dubbo.routes.filters
+   * @param yamlField 根据域的key 获取 filters 字符串列
+   */
   private void parseAndAddDubboFilters(String dubboUri, List<FilterDefinition> filters,
       LinkedHashMap<String, List<String>> iter, String yamlField) {
     List<String> filtersYaml = iter.get(yamlField);
diff --git a/usergw-service/src/main/java/cn/ecpark/service/usergw/config/ConfigSpecialFunction.java b/usergw-service/src/main/java/cn/ecpark/service/usergw/config/ConfigSpecialFunction.java
index e94aa5a..2a73844 100644
--- a/usergw-service/src/main/java/cn/ecpark/service/usergw/config/ConfigSpecialFunction.java
+++ b/usergw-service/src/main/java/cn/ecpark/service/usergw/config/ConfigSpecialFunction.java
@@ -20,35 +20,60 @@ import lombok.extern.slf4j.Slf4j;
 @Slf4j
 public class ConfigSpecialFunction {
 
-    public static void setDefault(ReferenceConfig<GenericService> ref, String methodName, Object cfgValue)
+    /**
+     * 默认调用ref的函数, 通过反射方法
+     * @param ref {@link ReferenceConfig} {@link GenericService} 泛调用的接口
+     * @param methodName 方法名 用于调用接口的方法
+     * @param params 方法的参数
+     * @throws IllegalAccessException 
+     * @throws IllegalArgumentException 
+     * @throws InvocationTargetException
+     * @throws Exception
+     */
+    public static void setDefault(ReferenceConfig<GenericService> ref, String methodName, Object params)
             throws Exception {
         methodName = "set" + Convert.firstUpperCase(methodName);
-        log.info("method:{}, value:{}", methodName, cfgValue);
-        Method method = ref.getClass().getMethod(methodName, cfgValue.getClass());
-        method.invoke(ref, cfgValue);
+        log.info("method:{}, value:{}", methodName, params);
+        Method method = ref.getClass().getMethod(methodName, params.getClass());
+        method.invoke(ref, params);
     }
 
-    public static void setApplication(ReferenceConfig<GenericService> ref, Object cfgValue) {
-        ref.setApplication(new ApplicationConfig((String) cfgValue));
+    /**
+     * 遇到application 做特殊的 函数处理
+     * @param ref {@link ReferenceConfig} {@link GenericService} 泛调用的接口
+     * @param params 传递参数 {@link ReferenceConfig#setApplication(ApplicationConfig)}
+     */
+    public static void setApplication(ReferenceConfig<GenericService> ref, Object params) {
+        ref.setApplication(new ApplicationConfig((String) params));
     }
 
-    public static void setRegistry(ReferenceConfig<GenericService> ref, Object cfgValue) {
-        ref.setRegistry(new RegistryConfig((String) cfgValue));
+    /**
+     * 遇到registry 做特殊的 函数处理
+     * @param ref {@link ReferenceConfig} {@link GenericService} 泛调用的接口
+     * @param params 传递参数 {@link ReferenceConfig#setRegistry(RegistryConfig)}
+     */
+    public static void setRegistry(ReferenceConfig<GenericService> ref, Object params) {
+        ref.setRegistry(new RegistryConfig((String) params));
     }
 
+    /**
+     * 把设置method域的一些 函数名 参数类型 缓存起来. 没设置的运行通过
+     * @param ref {@link ReferenceConfig} {@link GenericService} 泛调用的接口
+     * @param params 传递参数 {@link ReferenceConfig#setApplication(ApplicationConfig)}
+     */
     @SuppressWarnings("unchecked")
-    public static void setMethods(ReferenceConfig<GenericService> ref, Object cfgValue) {
-        List<HashMap<String, Object>> cfgs = (List<HashMap<String, Object>>) cfgValue;
+    public static void setMethods(ReferenceConfig<GenericService> ref, Object params) {
+        List<HashMap<String, Object>> cfgs = (List<HashMap<String, Object>>) params;
         for (HashMap<String, Object> cfg : cfgs) {
             String name = (String) cfg.get("name");
             if (DubboGatewayFilterFactory.mehtods.containsKey(name)) {
                 log.warn("method {} is duplicate", name);
             }
-            List<String> params = (List<String>) cfg.get("param-types");
-            if (params == null) {
-                params = new LinkedList<>(); // 不用ArrayList 减少内存的使用.
+            List<String> paramTypes = (List<String>) cfg.get("param-types");
+            if (paramTypes == null) {
+                paramTypes = new LinkedList<>(); // 不用ArrayList 减少内存的使用.
             }
-            DubboGatewayFilterFactory.mehtods.put(name, params);
+            DubboGatewayFilterFactory.mehtods.put(name, paramTypes);
         }
 
     }