继续进行优化，去掉多余的改动

src/main/java/me/zhyd/oauth/config/AuthDefaultSource.java

@@ -17,7 +17,7 @@ public enum AuthDefaultSource implements AuthSource {
     /**
      * Github
      */
-    GITHUB {
+    GITHUB(AuthGithubRequest.class) {
         @Override
         public String authorize() {
             return "https://github.com/login/oauth/authorize";
@@ -32,21 +32,11 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return "https://api.github.com/user";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthGithubRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * 新浪微博
      */
-    WEIBO {
+    WEIBO(AuthWeiboRequest.class) {
         @Override
         public String authorize() {
             return "https://api.weibo.com/oauth2/authorize";
@@ -62,16 +52,6 @@ public enum AuthDefaultSource implements AuthSource {
             return "https://api.weibo.com/2/users/show.json";
         }
 
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthWeiboRequest.class,authConfig,authStateCache);
-        }
-
         @Override
         public String revoke() {
             return "https://api.weibo.com/oauth2/revokeoauth2";
@@ -80,7 +60,7 @@ public enum AuthDefaultSource implements AuthSource {
     /**
      * gitee
      */
-    GITEE {
+    GITEE(AuthGiteeRequest.class) {
         @Override
         public String authorize() {
             return "https://gitee.com/oauth/authorize";
@@ -95,21 +75,11 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return "https://gitee.com/api/v5/user";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthGiteeRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * 钉钉扫码登录
      */
-    DINGTALK {
+    DINGTALK(AuthDingTalkRequest.class) {
         @Override
         public String authorize() {
             return "https://oapi.dingtalk.com/connect/qrconnect";
@@ -124,21 +94,11 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return "https://oapi.dingtalk.com/sns/getuserinfo_bycode";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthDingTalkRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * 钉钉账号登录
      */
-    DINGTALK_ACCOUNT {
+    DINGTALK_ACCOUNT(AuthDingTalkAccountRequest.class) {
         @Override
         public String authorize() {
             return "https://oapi.dingtalk.com/connect/oauth2/sns_authorize";
@@ -153,21 +113,11 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return DINGTALK.userInfo();
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthDingTalkAccountRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * 百度
      */
-    BAIDU {
+    BAIDU(AuthBaiduRequest.class) {
         @Override
         public String authorize() {
             return "https://openapi.baidu.com/oauth/2.0/authorize";
@@ -192,21 +142,11 @@ public enum AuthDefaultSource implements AuthSource {
         public String refresh() {
             return "https://openapi.baidu.com/oauth/2.0/token";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthBaiduRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * csdn
      */
-    CSDN {
+    CSDN(AuthCsdnRequest.class) {
         @Override
         public String authorize() {
             return "https://api.csdn.net/oauth2/authorize";
@@ -221,16 +161,6 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return "https://api.csdn.net/user/getinfo";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthCsdnRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * Coding，
@@ -238,7 +168,7 @@ public enum AuthDefaultSource implements AuthSource {
      * 参考 https://help.coding.net/docs/project/open/oauth.html#%E7%94%A8%E6%88%B7%E6%8E%88%E6%9D%83 中的说明，
      * 新版的 coding API 地址需要传入用户团队名，这儿使用动态参数，方便在 request 中使用
      */
-    CODING {
+    CODING(AuthCodingRequest.class) {
         @Override
         public String authorize() {
             return "https://%s.coding.net/oauth_authorize.html";
@@ -253,21 +183,11 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return "https://%s.coding.net/api/account/current_user";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthCodingRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * oschina 开源中国
      */
-    OSCHINA {
+    OSCHINA(AuthOschinaRequest.class) {
         @Override
         public String authorize() {
             return "https://www.oschina.net/action/oauth2/authorize";
@@ -282,21 +202,11 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return "https://www.oschina.net/action/openapi/user";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthOschinaRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * 支付宝
      */
-    ALIPAY {
+    ALIPAY(AuthAlipayRequest.class) {
         @Override
         public String authorize() {
             return "https://openauth.alipay.com/oauth2/publicAppAuthorize.htm";
@@ -311,21 +221,11 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return "https://openapi.alipay.com/gateway.do";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthAlipayRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * QQ
      */
-    QQ {
+    QQ(AuthQqRequest.class) {
         @Override
         public String authorize() {
             return "https://graph.qq.com/oauth2.0/authorize";
@@ -345,21 +245,11 @@ public enum AuthDefaultSource implements AuthSource {
         public String refresh() {
             return "https://graph.qq.com/oauth2.0/token";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthQqRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * 微信开放平台
      */
-    WECHAT_OPEN {
+    WECHAT_OPEN(AuthWeChatOpenRequest.class) {
         @Override
         public String authorize() {
             return "https://open.weixin.qq.com/connect/qrconnect";
@@ -379,21 +269,11 @@ public enum AuthDefaultSource implements AuthSource {
         public String refresh() {
             return "https://api.weixin.qq.com/sns/oauth2/refresh_token";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthWeChatOpenRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * 微信公众平台
      */
-    WECHAT_MP {
+    WECHAT_MP(AuthWeChatMpRequest.class) {
         @Override
         public String authorize() {
             return "https://open.weixin.qq.com/connect/oauth2/authorize";
@@ -413,21 +293,11 @@ public enum AuthDefaultSource implements AuthSource {
         public String refresh() {
             return "https://api.weixin.qq.com/sns/oauth2/refresh_token";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthWeChatMpRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * 淘宝
      */
-    TAOBAO {
+    TAOBAO(AuthTaobaoRequest.class) {
         @Override
         public String authorize() {
             return "https://oauth.taobao.com/authorize";
@@ -442,21 +312,11 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             throw new AuthException(AuthResponseStatus.UNSUPPORTED);
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthTaobaoRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * Google
      */
-    GOOGLE {
+    GOOGLE(AuthGoogleRequest.class) {
         @Override
         public String authorize() {
             return "https://accounts.google.com/o/oauth2/v2/auth";
@@ -471,21 +331,11 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return "https://www.googleapis.com/oauth2/v3/userinfo";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthGoogleRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * Facebook
      */
-    FACEBOOK {
+    FACEBOOK(AuthFacebookRequest.class) {
         @Override
         public String authorize() {
             return "https://www.facebook.com/v10.0/dialog/oauth";
@@ -500,21 +350,11 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return "https://graph.facebook.com/v10.0/me";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthFacebookRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * 抖音
      */
-    DOUYIN {
+    DOUYIN(AuthDouyinRequest.class) {
         @Override
         public String authorize() {
             return "https://open.douyin.com/platform/oauth/connect";
@@ -534,21 +374,11 @@ public enum AuthDefaultSource implements AuthSource {
         public String refresh() {
             return "https://open.douyin.com/oauth/refresh_token/";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthDouyinRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * 领英
      */
-    LINKEDIN {
+    LINKEDIN(AuthLinkedinRequest.class) {
         @Override
         public String authorize() {
             return "https://www.linkedin.com/oauth/v2/authorization";
@@ -568,21 +398,11 @@ public enum AuthDefaultSource implements AuthSource {
         public String refresh() {
             return "https://www.linkedin.com/oauth/v2/accessToken";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthLinkedinRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * 微软
      */
-    MICROSOFT {
+    MICROSOFT(AuthMicrosoftRequest.class) {
         @Override
         public String authorize() {
             return "https://login.microsoftonline.com/common/oauth2/v2.0/authorize";
@@ -602,21 +422,11 @@ public enum AuthDefaultSource implements AuthSource {
         public String refresh() {
             return "https://login.microsoftonline.com/common/oauth2/v2.0/token";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthMicrosoftRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * 小米
      */
-    MI {
+    MI(AuthMiRequest.class) {
         @Override
         public String authorize() {
             return "https://account.xiaomi.com/oauth2/authorize";
@@ -636,21 +446,11 @@ public enum AuthDefaultSource implements AuthSource {
         public String refresh() {
             return "https://account.xiaomi.com/oauth2/token";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthMiRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * 今日头条
      */
-    TOUTIAO {
+    TOUTIAO(AuthToutiaoRequest.class) {
         @Override
         public String authorize() {
             return "https://open.snssdk.com/auth/authorize";
@@ -665,21 +465,11 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return "https://open.snssdk.com/data/user_profile";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthToutiaoRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * Teambition
      */
-    TEAMBITION {
+    TEAMBITION(AuthTeambitionRequest.class) {
         @Override
         public String authorize() {
             return "https://account.teambition.com/oauth2/authorize";
@@ -699,22 +489,12 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return "https://api.teambition.com/users/me";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthTeambitionRequest.class,authConfig,authStateCache);
-        }
     },
 
     /**
      * 人人网
      */
-    RENREN {
+    RENREN(AuthRenrenRequest.class) {
         @Override
         public String authorize() {
             return "https://graph.renren.com/oauth/authorize";
@@ -734,22 +514,12 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return "https://api.renren.com/v2/user/get";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthRenrenRequest.class,authConfig,authStateCache);
-        }
     },
 
     /**
      * Pinterest
      */
-    PINTEREST {
+    PINTEREST(AuthPinterestRequest.class) {
         @Override
         public String authorize() {
             return "https://api.pinterest.com/oauth";
@@ -764,22 +534,12 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return "https://api.pinterest.com/v1/me";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthPinterestRequest.class,authConfig,authStateCache);
-        }
     },
 
     /**
      * Stack Overflow
      */
-    STACK_OVERFLOW {
+    STACK_OVERFLOW(AuthStackOverflowRequest.class) {
         @Override
         public String authorize() {
             return "https://stackoverflow.com/oauth";
@@ -794,16 +554,6 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return "https://api.stackexchange.com/2.2/me";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthStackOverflowRequest.class,authConfig,authStateCache);
-        }
     },
 
     /**
@@ -811,7 +561,7 @@ public enum AuthDefaultSource implements AuthSource {
      *
      * @since 1.10.0
      */
-    HUAWEI {
+    HUAWEI(AuthHuaweiRequest.class) {
         @Override
         public String authorize() {
             return "https://oauth-login.cloud.huawei.com/oauth2/v2/authorize";
@@ -831,16 +581,6 @@ public enum AuthDefaultSource implements AuthSource {
         public String refresh() {
             return "https://oauth-login.cloud.huawei.com/oauth2/v2/token";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthHuaweiRequest.class,authConfig,authStateCache);
-        }
     },
 
     /**
@@ -848,7 +588,7 @@ public enum AuthDefaultSource implements AuthSource {
      *
      * @since 1.10.0
      */
-    WECHAT_ENTERPRISE {
+    WECHAT_ENTERPRISE(AuthWeChatEnterpriseQrcodeRequest.class) {
         @Override
         public String authorize() {
             return "https://open.work.weixin.qq.com/wwopen/sso/qrConnect";
@@ -863,22 +603,12 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return "https://qyapi.weixin.qq.com/cgi-bin/user/getuserinfo";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AbstractAuthWeChatEnterpriseRequest.class,authConfig,authStateCache);
-        }
     },
 
     /**
      * 企业微信网页登录
      */
-    WECHAT_ENTERPRISE_WEB {
+    WECHAT_ENTERPRISE_WEB(AuthWeChatEnterpriseWebRequest.class) {
         @Override
         public String authorize() {
             return "https://open.weixin.qq.com/connect/oauth2/authorize";
@@ -893,16 +623,6 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return "https://qyapi.weixin.qq.com/cgi-bin/user/getuserinfo";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthWeChatEnterpriseWebRequest.class,authConfig,authStateCache);
-        }
     },
 
     /**
@@ -910,7 +630,7 @@ public enum AuthDefaultSource implements AuthSource {
      *
      * @since 1.11.0
      */
-    KUJIALE {
+    KUJIALE(AuthKujialeRequest.class) {
         @Override
         public String authorize() {
             return "https://oauth.kujiale.com/oauth2/show";
@@ -930,16 +650,6 @@ public enum AuthDefaultSource implements AuthSource {
         public String refresh() {
             return "https://oauth.kujiale.com/oauth2/auth/token/refresh";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthKujialeRequest.class,authConfig,authStateCache);
-        }
     },
 
     /**
@@ -947,7 +657,7 @@ public enum AuthDefaultSource implements AuthSource {
      *
      * @since 1.11.0
      */
-    GITLAB {
+    GITLAB(AuthGitlabRequest.class) {
         @Override
         public String authorize() {
             return "https://gitlab.com/oauth/authorize";
@@ -962,16 +672,6 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return "https://gitlab.com/api/v4/user";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthGitlabRequest.class,authConfig,authStateCache);
-        }
     },
 
     /**
@@ -979,7 +679,7 @@ public enum AuthDefaultSource implements AuthSource {
      *
      * @since 1.12.0
      */
-    MEITUAN {
+    MEITUAN(AuthMeituanRequest.class) {
         @Override
         public String authorize() {
             return "https://openapi.waimai.meituan.com/oauth/authorize";
@@ -999,16 +699,6 @@ public enum AuthDefaultSource implements AuthSource {
         public String refresh() {
             return "https://openapi.waimai.meituan.com/oauth/refresh_token";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthMeituanRequest.class,authConfig,authStateCache);
-        }
     },
 
     /**
@@ -1018,7 +708,7 @@ public enum AuthDefaultSource implements AuthSource {
      *
      * @since 1.12.0
      */
-    ELEME {
+    ELEME(AuthElemeRequest.class) {
         @Override
         public String authorize() {
             return "https://open-api.shop.ele.me/authorize";
@@ -1038,16 +728,6 @@ public enum AuthDefaultSource implements AuthSource {
         public String refresh() {
             return "https://open-api.shop.ele.me/token";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthElemeRequest.class,authConfig,authStateCache);
-        }
     },
 
     /**
@@ -1055,7 +735,7 @@ public enum AuthDefaultSource implements AuthSource {
      *
      * @since 1.13.0
      */
-    TWITTER {
+    TWITTER(AuthTwitterRequest.class) {
         @Override
         public String authorize() {
             return "https://api.twitter.com/oauth/authenticate";
@@ -1070,16 +750,6 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return "https://api.twitter.com/1.1/account/verify_credentials.json";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthTwitterRequest.class,authConfig,authStateCache);
-        }
     },
 
     /**
@@ -1089,7 +759,7 @@ public enum AuthDefaultSource implements AuthSource {
      *
      * @since 1.15.9
      */
-    FEISHU {
+    FEISHU(AuthFeishuRequest.class) {
         @Override
         public String authorize() {
             return "https://open.feishu.cn/open-apis/authen/v1/index";
@@ -1109,23 +779,13 @@ public enum AuthDefaultSource implements AuthSource {
         public String refresh() {
             return "https://open.feishu.cn/open-apis/authen/v1/refresh_access_token";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthFeishuRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * 京东
      *
      * @since 1.15.0
      */
-    JD {
+    JD(AuthJdRequest.class) {
         @Override
         public String authorize() {
             return "https://open-oauth.jd.com/oauth2/to_login";
@@ -1145,22 +805,12 @@ public enum AuthDefaultSource implements AuthSource {
         public String refresh() {
             return "https://open-oauth.jd.com/oauth2/refresh_token";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthJdRequest.class,authConfig,authStateCache);
-        }
     },
 
     /**
      * 阿里云
      */
-    ALIYUN {
+    ALIYUN(AuthAliyunRequest.class) {
         @Override
         public String authorize() {
             return "https://signin.aliyun.com/oauth2/v1/auth";
@@ -1180,22 +830,12 @@ public enum AuthDefaultSource implements AuthSource {
         public String refresh() {
             return "https://oauth.aliyun.com/v1/token";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthAliyunRequest.class,authConfig,authStateCache);
-        }
     },
 
     /**
      * 喜马拉雅
      */
-    XMLY {
+    XMLY(AuthXmlyRequest.class) {
         @Override
         public String authorize() {
             return "https://api.ximalaya.com/oauth2/js/authorize";
@@ -1215,16 +855,6 @@ public enum AuthDefaultSource implements AuthSource {
         public String refresh() {
             return "https://oauth.aliyun.com/v1/token";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthXmlyRequest.class,authConfig,authStateCache);
-        }
     },
 
     /**
@@ -1232,7 +862,7 @@ public enum AuthDefaultSource implements AuthSource {
      *
      * @since 1.16.0
      */
-    AMAZON {
+    AMAZON(AuthAmazonRequest.class) {
         @Override
         public String authorize() {
             return "https://www.amazon.com/ap/oa";
@@ -1252,23 +882,13 @@ public enum AuthDefaultSource implements AuthSource {
         public String refresh() {
             return "https://api.amazon.com/auth/o2/token";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthAmazonRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * Slack
      *
      * @since 1.16.0
      */
-    SLACK {
+    SLACK(AuthSlackRequest.class) {
         @Override
         public String authorize() {
             return "https://slack.com/oauth/v2/authorize";
@@ -1295,23 +915,13 @@ public enum AuthDefaultSource implements AuthSource {
         public String revoke() {
             return "https://slack.com/api/auth.revoke";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthSlackRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * line
      *
      * @since 1.16.0
      */
-    LINE {
+    LINE(AuthLineRequest.class) {
         @Override
         public String authorize() {
             return "https://access.line.me/oauth2/v2.1/authorize";
@@ -1327,16 +937,6 @@ public enum AuthDefaultSource implements AuthSource {
             return "https://api.line.me/v2/profile";
         }
 
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthLineRequest.class,authConfig,authStateCache);
-        }
-
         @Override
         public String refresh() {
             return "https://api.line.me/oauth2/v2.1/token";
@@ -1346,7 +946,6 @@ public enum AuthDefaultSource implements AuthSource {
         public String revoke() {
             return "https://api.line.me/oauth2/v2.1/revoke";
         }
-
     },
     /**
      * Okta，
@@ -1355,7 +954,7 @@ public enum AuthDefaultSource implements AuthSource {
      *
      * @since 1.16.0
      */
-    OKTA {
+    OKTA(AuthOktaRequest.class) {
         @Override
         public String authorize() {
             return "https://%s.okta.com/oauth2/%s/v1/authorize";
@@ -1380,23 +979,13 @@ public enum AuthDefaultSource implements AuthSource {
         public String revoke() {
             return "https://%s.okta.com/oauth2/%s/v1/revoke";
         }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthOktaRequest.class,authConfig,authStateCache);
-        }
     },
     /**
      * 程序员客栈
      *
      * @since 1.16.2
      */
-    PROGINN {
+    PROGINN(AuthProginnRequest.class) {
         @Override
         public String authorize() {
             return "https://www.proginn.com/oauth2/authorize";
@@ -1411,44 +1000,49 @@ public enum AuthDefaultSource implements AuthSource {
         public String userInfo() {
             return "https://www.proginn.com/openapi/user/basic_info";
         }
+    };
 
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
+    /** 对应的实现类 */
+    private Class<? extends AuthDefaultRequest> targetClass;
 
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            return getInstance(AuthProginnRequest.class,authConfig,authStateCache);
-        }
-    };
+    AuthDefaultSource(Class<? extends AuthDefaultRequest> targetClass) {
+        this.targetClass = targetClass;
+    }
+
+    /**
+     * 根据source获取对应的AuthSource枚举
+     * @param source 枚举名
+     * @return AuthDefaultSource
+     */
+    public static AuthDefaultSource getAuthSource(String source){
+        return Arrays.stream(AuthDefaultSource.values()).filter(authSource -> authSource.name().equalsIgnoreCase(source)).findAny().orElseThrow(()->new AuthException("未获取到有效的AuthSource配置"));
+    }
+
+    /**
+     * 根据配置获取 AuthRequest 实例
+     * @param authConfig 配置
+     * @return AuthRequest
+     */
+    public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
+        return getAuthRequestInstance(authConfig,null);
+    }
 
     /**
      * 利用反射 生成 AuthRequest 实例
-     * @param cl 目标 class
      * @param authConfig 配置
      * @param authStateCache 缓存配置
      * @return AuthRequest
      */
-    AuthRequest getInstance(Class<? extends AuthDefaultRequest> cl, AuthConfig authConfig, AuthStateCache authStateCache) {
+    public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
         try {
-            Class<?> clazz = Class.forName(cl.getName());
             if(authStateCache==null){
-                return (AuthRequest) clazz.getDeclaredConstructor(AuthConfig.class).newInstance(authConfig);
+                return this.targetClass.getDeclaredConstructor(AuthConfig.class).newInstance(authConfig);
             }else{
-                return (AuthRequest) clazz.getDeclaredConstructor(AuthConfig.class, AuthStateCache.class).newInstance(authConfig, authStateCache);
+                return this.targetClass.getDeclaredConstructor(AuthConfig.class, AuthStateCache.class).newInstance(authConfig, authStateCache);
             }
         } catch (Exception e) {
             throw new AuthException("未获取到有效的Auth配置");
         }
     }
 
-    /**
-     * 根据source获取对应的AuthSource枚举实例
-     * @param source 枚举名
-     * @return AuthDefaultSource
-     */
-    public static AuthDefaultSource getAuthSource(String source){
-        return Arrays.stream(AuthDefaultSource.values()).filter(authSource -> source.equalsIgnoreCase(authSource.name())).findAny().orElseThrow(()->new AuthException("未获取到有效的AuthSource配置"));
-    }
 }

src/main/java/me/zhyd/oauth/config/AuthSource.java

 package me.zhyd.oauth.config;
 
-import me.zhyd.oauth.cache.AuthStateCache;
 import me.zhyd.oauth.enums.AuthResponseStatus;
 import me.zhyd.oauth.exception.AuthException;
 import me.zhyd.oauth.model.AuthCallback;
-import me.zhyd.oauth.request.AuthRequest;
 
 /**
  * OAuth平台的API地址的统一接口，提供以下方法：
@@ -46,21 +44,6 @@ public interface AuthSource {
      */
     String userInfo();
 
-    /**
-     * 根据配置获取对应的实例
-     * @param authConfig 配置
-     * @return AuthRequest
-     */
-    AuthRequest getAuthRequestInstance(AuthConfig authConfig);
-
-    /**
-     * 根据配置和缓存获取对应的实例
-     * @param authConfig 配置
-     * @param authStateCache 缓存
-     * @return AuthRequest
-     */
-    AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache);
-
     /**
      * 取消授权的api
      *

src/test/java/me/zhyd/oauth/config/AuthExtendSource.java

@@ -2,11 +2,10 @@ package me.zhyd.oauth.config;
 
 import me.zhyd.oauth.cache.AuthStateCache;
 import me.zhyd.oauth.exception.AuthException;
+import me.zhyd.oauth.request.AuthDefaultRequest;
 import me.zhyd.oauth.request.AuthExtendRequest;
 import me.zhyd.oauth.request.AuthRequest;
 
-import java.lang.reflect.Constructor;
-
 /**
  * 测试自定义实现{@link AuthSource}接口后的枚举类
  *
@@ -16,7 +15,7 @@ import java.lang.reflect.Constructor;
  */
 public enum AuthExtendSource implements AuthSource {
 
-    OTHER {
+    OTHER (AuthExtendRequest.class){
         /**
          * 授权的api
          *
@@ -47,32 +46,6 @@ public enum AuthExtendSource implements AuthSource {
             return null;
         }
 
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
-            return getAuthRequestInstance(authConfig,null);
-        }
-
-        @Override
-        public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
-            try {
-                AuthRequest request;
-                Class<?> clazz = Class.forName(AuthExtendRequest.class.getName());
-                Constructor constructor;
-                if(authStateCache==null){
-                    constructor = clazz.getDeclaredConstructor(AuthConfig.class);
-                    constructor.setAccessible(true);
-                    request = (AuthRequest) constructor.newInstance(authConfig);
-                }else{
-                    constructor = clazz.getDeclaredConstructor(AuthConfig.class, AuthStateCache.class);
-                    constructor.setAccessible(true);
-                    request = (AuthRequest) constructor.newInstance(authConfig, authStateCache);
-                }
-                return request;
-            } catch (Exception e) {
-                throw new AuthException("未获取到有效的Auth配置");
-            }
-        }
-
         /**
          * 取消授权的api
          *
@@ -92,5 +65,28 @@ public enum AuthExtendSource implements AuthSource {
         public String refresh() {
             return null;
         }
+    };
+
+    private Class<? extends AuthDefaultRequest> targetClass;
+
+    AuthExtendSource(Class<? extends AuthDefaultRequest> targetClass) {
+        this.targetClass = targetClass;
+    }
+
+    public AuthRequest getAuthRequestInstance(AuthConfig authConfig) {
+        return this.getAuthRequestInstance(authConfig,null);
+    }
+
+    public AuthRequest getAuthRequestInstance(AuthConfig authConfig, AuthStateCache authStateCache) {
+        try {
+            if(authStateCache==null){
+                return this.targetClass.getDeclaredConstructor(AuthConfig.class).newInstance(authConfig);
+            }else{
+                return this.targetClass.getDeclaredConstructor(AuthConfig.class, AuthStateCache.class).newInstance(authConfig, authStateCache);
+            }
+        } catch (Exception e) {
+            throw new AuthException("未获取到有效的Auth配置");
+        }
     }
+
 }

src/test/java/me/zhyd/oauth/request/AuthWeChatMpRequestTest.java

@@ -3,6 +3,7 @@ package me.zhyd.oauth.request;
 import me.zhyd.oauth.config.AuthConfig;
 import me.zhyd.oauth.config.AuthDefaultSource;
 import me.zhyd.oauth.utils.AuthStateUtils;
+import org.junit.Assert;
 import org.junit.Test;
 
 public class AuthWeChatMpRequestTest {
@@ -25,6 +26,7 @@ public class AuthWeChatMpRequestTest {
             .clientSecret("a")
             .redirectUri("https://www.justauth.cn")
             .build());
+        Assert.assertTrue(request instanceof AuthWeChatMpRequest);
         System.out.println(request.authorize(AuthStateUtils.createState()));
     }
 }