diff --git a/src/main/java/me/zhyd/oauth/authorization/AlipayAuthorization.java b/src/main/java/me/zhyd/oauth/authorization/AlipayAuthorization.java
new file mode 100644
index 0000000..c5655fe
--- /dev/null
+++ b/src/main/java/me/zhyd/oauth/authorization/AlipayAuthorization.java
@@ -0,0 +1,19 @@
+package me.zhyd.oauth.authorization;
+
+import me.zhyd.oauth.config.AuthConfig;
+import me.zhyd.oauth.utils.UrlBuilder;
+
+/**
+ * 支付宝授权
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0
+ * @since 1.8
+ */
+public class AlipayAuthorization implements Authorization {
+
+    @Override
+    public String getAuthorizeUrl(AuthConfig config) {
+        return UrlBuilder.getAlipayAuthorizeUrl(config.getClientId(), config.getRedirectUri());
+    }
+}
diff --git a/src/main/java/me/zhyd/oauth/authorization/Authorization.java b/src/main/java/me/zhyd/oauth/authorization/Authorization.java
new file mode 100644
index 0000000..0db3cb9
--- /dev/null
+++ b/src/main/java/me/zhyd/oauth/authorization/Authorization.java
@@ -0,0 +1,15 @@
+package me.zhyd.oauth.authorization;
+
+import me.zhyd.oauth.config.AuthConfig;
+
+/**
+ * 授权接口，用来获取具体第三方平台的授权地址
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0
+ * @since 1.8
+ */
+public interface Authorization {
+
+    String getAuthorizeUrl(AuthConfig config);
+}
diff --git a/src/main/java/me/zhyd/oauth/authorization/AuthorizationFactory.java b/src/main/java/me/zhyd/oauth/authorization/AuthorizationFactory.java
new file mode 100644
index 0000000..7d2c65c
--- /dev/null
+++ b/src/main/java/me/zhyd/oauth/authorization/AuthorizationFactory.java
@@ -0,0 +1,74 @@
+package me.zhyd.oauth.authorization;
+
+import me.zhyd.oauth.exception.AuthException;
+import me.zhyd.oauth.model.AuthSource;
+import me.zhyd.oauth.request.ResponseStatus;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 授权工厂类，负责创建指定平台的授权类获取授权地址
+ * <p>
+ * 使用策略模式 + 工厂模式 避免大量的if else（swatch）操作
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0
+ * @since 1.8
+ */
+public class AuthorizationFactory {
+
+    private static Map<String, Authorization> authorizationMap = new HashMap<>();
+    private static boolean loader = false;
+
+    private AuthorizationFactory() {
+
+    }
+
+    /**
+     * 根据第三方平台，获取具体的授权工具
+     *
+     * @param source 平台
+     * @return 具体的Authorization
+     */
+    public static Authorization getAuthorize(AuthSource source) {
+        if (null == source) {
+            throw new AuthException(ResponseStatus.NO_AUTH_SOURCE);
+        }
+        registerAllAuthorize();
+
+        Authorization authorization = authorizationMap.get(source.toString());
+        if (null == authorization) {
+            throw new AuthException(ResponseStatus.UNIDENTIFIED_PLATFORM);
+        }
+        return authorization;
+    }
+
+    /**
+     * 将所有Authorize的实现类注册到authorizeMap中，
+     * 每次增加新的平台都需要在这儿添加注册代码
+     */
+    private static void registerAllAuthorize() {
+        if (loader) {
+            return;
+        }
+        AuthorizationFactory.register(AuthSource.ALIPAY, new AlipayAuthorization());
+        AuthorizationFactory.register(AuthSource.BAIDU, new BaiduAuthorization());
+        AuthorizationFactory.register(AuthSource.CODING, new CodingAuthorization());
+        AuthorizationFactory.register(AuthSource.CSDN, new CsdnAuthorization());
+        AuthorizationFactory.register(AuthSource.DINGTALK, new DingTalkAuthorization());
+        AuthorizationFactory.register(AuthSource.GITEE, new GiteeAuthorization());
+        AuthorizationFactory.register(AuthSource.GITHUB, new GithubAuthorization());
+        AuthorizationFactory.register(AuthSource.OSCHINA, new OschinaAuthorization());
+        AuthorizationFactory.register(AuthSource.QQ, new QqAuthorization());
+        AuthorizationFactory.register(AuthSource.TAOBAO, new TaobaoAuthorization());
+        AuthorizationFactory.register(AuthSource.TENCEN_CLOUD, new TencentCloudAuthorization());
+        AuthorizationFactory.register(AuthSource.WECHAT, new WeChatAuthorization());
+        AuthorizationFactory.register(AuthSource.WEIBO, new WeiboAuthorization());
+        loader = true;
+    }
+
+    private static void register(AuthSource authSource, Authorization authorization) {
+        authorizationMap.put(authSource.toString(), authorization);
+    }
+}
diff --git a/src/main/java/me/zhyd/oauth/authorization/BaiduAuthorization.java b/src/main/java/me/zhyd/oauth/authorization/BaiduAuthorization.java
new file mode 100644
index 0000000..c7e3469
--- /dev/null
+++ b/src/main/java/me/zhyd/oauth/authorization/BaiduAuthorization.java
@@ -0,0 +1,19 @@
+package me.zhyd.oauth.authorization;
+
+import me.zhyd.oauth.config.AuthConfig;
+import me.zhyd.oauth.utils.UrlBuilder;
+
+/**
+ * 百度授权
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0
+ * @since 1.8
+ */
+public class BaiduAuthorization implements Authorization {
+
+    @Override
+    public String getAuthorizeUrl(AuthConfig config) {
+        return UrlBuilder.getBaiduAuthorizeUrl(config.getClientId(), config.getRedirectUri());
+    }
+}
diff --git a/src/main/java/me/zhyd/oauth/authorization/CodingAuthorization.java b/src/main/java/me/zhyd/oauth/authorization/CodingAuthorization.java
new file mode 100644
index 0000000..dd01286
--- /dev/null
+++ b/src/main/java/me/zhyd/oauth/authorization/CodingAuthorization.java
@@ -0,0 +1,19 @@
+package me.zhyd.oauth.authorization;
+
+import me.zhyd.oauth.config.AuthConfig;
+import me.zhyd.oauth.utils.UrlBuilder;
+
+/**
+ * Coding授权
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0
+ * @since 1.8
+ */
+public class CodingAuthorization implements Authorization {
+
+    @Override
+    public String getAuthorizeUrl(AuthConfig config) {
+        return UrlBuilder.getCodingAuthorizeUrl(config.getClientId(), config.getRedirectUri());
+    }
+}
diff --git a/src/main/java/me/zhyd/oauth/authorization/CsdnAuthorization.java b/src/main/java/me/zhyd/oauth/authorization/CsdnAuthorization.java
new file mode 100644
index 0000000..cc6474c
--- /dev/null
+++ b/src/main/java/me/zhyd/oauth/authorization/CsdnAuthorization.java
@@ -0,0 +1,19 @@
+package me.zhyd.oauth.authorization;
+
+import me.zhyd.oauth.config.AuthConfig;
+import me.zhyd.oauth.utils.UrlBuilder;
+
+/**
+ * CSDN授权
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0
+ * @since 1.8
+ */
+public class CsdnAuthorization implements Authorization {
+
+    @Override
+    public String getAuthorizeUrl(AuthConfig config) {
+        return UrlBuilder.getCsdnAuthorizeUrl(config.getClientId(), config.getRedirectUri());
+    }
+}
diff --git a/src/main/java/me/zhyd/oauth/authorization/DingTalkAuthorization.java b/src/main/java/me/zhyd/oauth/authorization/DingTalkAuthorization.java
new file mode 100644
index 0000000..4bda11e
--- /dev/null
+++ b/src/main/java/me/zhyd/oauth/authorization/DingTalkAuthorization.java
@@ -0,0 +1,19 @@
+package me.zhyd.oauth.authorization;
+
+import me.zhyd.oauth.config.AuthConfig;
+import me.zhyd.oauth.utils.UrlBuilder;
+
+/**
+ * 钉钉授权
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0
+ * @since 1.8
+ */
+public class DingTalkAuthorization implements Authorization {
+
+    @Override
+    public String getAuthorizeUrl(AuthConfig config) {
+        return UrlBuilder.getDingTalkQrConnectUrl(config.getClientId(), config.getRedirectUri());
+    }
+}
diff --git a/src/main/java/me/zhyd/oauth/authorization/GiteeAuthorization.java b/src/main/java/me/zhyd/oauth/authorization/GiteeAuthorization.java
new file mode 100644
index 0000000..e02a476
--- /dev/null
+++ b/src/main/java/me/zhyd/oauth/authorization/GiteeAuthorization.java
@@ -0,0 +1,19 @@
+package me.zhyd.oauth.authorization;
+
+import me.zhyd.oauth.config.AuthConfig;
+import me.zhyd.oauth.utils.UrlBuilder;
+
+/**
+ * 码云授权
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0
+ * @since 1.8
+ */
+public class GiteeAuthorization implements Authorization {
+
+    @Override
+    public String getAuthorizeUrl(AuthConfig config) {
+        return UrlBuilder.getGiteeAuthorizeUrl(config.getClientId(), config.getRedirectUri());
+    }
+}
diff --git a/src/main/java/me/zhyd/oauth/authorization/GithubAuthorization.java b/src/main/java/me/zhyd/oauth/authorization/GithubAuthorization.java
new file mode 100644
index 0000000..f77ceb4
--- /dev/null
+++ b/src/main/java/me/zhyd/oauth/authorization/GithubAuthorization.java
@@ -0,0 +1,19 @@
+package me.zhyd.oauth.authorization;
+
+import me.zhyd.oauth.config.AuthConfig;
+import me.zhyd.oauth.utils.UrlBuilder;
+
+/**
+ * Github授权
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0
+ * @since 1.8
+ */
+public class GithubAuthorization implements Authorization {
+
+    @Override
+    public String getAuthorizeUrl(AuthConfig config) {
+        return UrlBuilder.getGithubAuthorizeUrl(config.getClientId(), config.getRedirectUri());
+    }
+}
diff --git a/src/main/java/me/zhyd/oauth/authorization/OschinaAuthorization.java b/src/main/java/me/zhyd/oauth/authorization/OschinaAuthorization.java
new file mode 100644
index 0000000..fa70aaf
--- /dev/null
+++ b/src/main/java/me/zhyd/oauth/authorization/OschinaAuthorization.java
@@ -0,0 +1,19 @@
+package me.zhyd.oauth.authorization;
+
+import me.zhyd.oauth.config.AuthConfig;
+import me.zhyd.oauth.utils.UrlBuilder;
+
+/**
+ * 开源中国授权
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0
+ * @since 1.8
+ */
+public class OschinaAuthorization implements Authorization {
+
+    @Override
+    public String getAuthorizeUrl(AuthConfig config) {
+        return UrlBuilder.getOschinaAuthorizeUrl(config.getClientId(), config.getRedirectUri());
+    }
+}
diff --git a/src/main/java/me/zhyd/oauth/authorization/QqAuthorization.java b/src/main/java/me/zhyd/oauth/authorization/QqAuthorization.java
new file mode 100644
index 0000000..f900236
--- /dev/null
+++ b/src/main/java/me/zhyd/oauth/authorization/QqAuthorization.java
@@ -0,0 +1,19 @@
+package me.zhyd.oauth.authorization;
+
+import me.zhyd.oauth.config.AuthConfig;
+import me.zhyd.oauth.utils.UrlBuilder;
+
+/**
+ * QQ授权
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0
+ * @since 1.8
+ */
+public class QqAuthorization implements Authorization {
+
+    @Override
+    public String getAuthorizeUrl(AuthConfig config) {
+        return UrlBuilder.getQqAuthorizeUrl(config.getClientId(), config.getRedirectUri());
+    }
+}
diff --git a/src/main/java/me/zhyd/oauth/authorization/TaobaoAuthorization.java b/src/main/java/me/zhyd/oauth/authorization/TaobaoAuthorization.java
new file mode 100644
index 0000000..cdc8370
--- /dev/null
+++ b/src/main/java/me/zhyd/oauth/authorization/TaobaoAuthorization.java
@@ -0,0 +1,19 @@
+package me.zhyd.oauth.authorization;
+
+import me.zhyd.oauth.config.AuthConfig;
+import me.zhyd.oauth.utils.UrlBuilder;
+
+/**
+ * 淘宝授权
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0
+ * @since 1.8
+ */
+public class TaobaoAuthorization implements Authorization {
+
+    @Override
+    public String getAuthorizeUrl(AuthConfig config) {
+        return UrlBuilder.getTaobaoAuthorizeUrl(config.getClientId(), config.getRedirectUri());
+    }
+}
diff --git a/src/main/java/me/zhyd/oauth/authorization/TencentCloudAuthorization.java b/src/main/java/me/zhyd/oauth/authorization/TencentCloudAuthorization.java
new file mode 100644
index 0000000..dcb94fe
--- /dev/null
+++ b/src/main/java/me/zhyd/oauth/authorization/TencentCloudAuthorization.java
@@ -0,0 +1,19 @@
+package me.zhyd.oauth.authorization;
+
+import me.zhyd.oauth.config.AuthConfig;
+import me.zhyd.oauth.utils.UrlBuilder;
+
+/**
+ * 腾讯云授权
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0
+ * @since 1.8
+ */
+public class TencentCloudAuthorization implements Authorization {
+
+    @Override
+    public String getAuthorizeUrl(AuthConfig config) {
+        return UrlBuilder.getTencentCloudAuthorizeUrl(config.getClientId(), config.getRedirectUri());
+    }
+}
diff --git a/src/main/java/me/zhyd/oauth/authorization/WeChatAuthorization.java b/src/main/java/me/zhyd/oauth/authorization/WeChatAuthorization.java
new file mode 100644
index 0000000..a7f208a
--- /dev/null
+++ b/src/main/java/me/zhyd/oauth/authorization/WeChatAuthorization.java
@@ -0,0 +1,19 @@
+package me.zhyd.oauth.authorization;
+
+import me.zhyd.oauth.config.AuthConfig;
+import me.zhyd.oauth.utils.UrlBuilder;
+
+/**
+ * 微信授权
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0
+ * @since 1.8
+ */
+public class WeChatAuthorization implements Authorization {
+
+    @Override
+    public String getAuthorizeUrl(AuthConfig config) {
+        return UrlBuilder.getWeChatAuthorizeUrl(config.getClientId(), config.getRedirectUri());
+    }
+}
diff --git a/src/main/java/me/zhyd/oauth/authorization/WeiboAuthorization.java b/src/main/java/me/zhyd/oauth/authorization/WeiboAuthorization.java
new file mode 100644
index 0000000..2083233
--- /dev/null
+++ b/src/main/java/me/zhyd/oauth/authorization/WeiboAuthorization.java
@@ -0,0 +1,19 @@
+package me.zhyd.oauth.authorization;
+
+import me.zhyd.oauth.config.AuthConfig;
+import me.zhyd.oauth.utils.UrlBuilder;
+
+/**
+ * 微博授权
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @version 1.0
+ * @since 1.8
+ */
+public class WeiboAuthorization implements Authorization {
+
+    @Override
+    public String getAuthorizeUrl(AuthConfig config) {
+        return UrlBuilder.getWeiboAuthorizeUrl(config.getClientId(), config.getRedirectUri());
+    }
+}
diff --git a/src/main/java/me/zhyd/oauth/model/AuthSource.java b/src/main/java/me/zhyd/oauth/model/AuthSource.java
index 7eac69d..55631b6 100644
--- a/src/main/java/me/zhyd/oauth/model/AuthSource.java
+++ b/src/main/java/me/zhyd/oauth/model/AuthSource.java
@@ -1,6 +1,8 @@
 package me.zhyd.oauth.model;
 
 /**
+ * 授权来源（平台）
+ *
  * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
  * @version 1.0
  * @since 1.8
diff --git a/src/main/java/me/zhyd/oauth/request/BaseAuthRequest.java b/src/main/java/me/zhyd/oauth/request/BaseAuthRequest.java
index afc839c..86254ef 100644
--- a/src/main/java/me/zhyd/oauth/request/BaseAuthRequest.java
+++ b/src/main/java/me/zhyd/oauth/request/BaseAuthRequest.java
@@ -1,6 +1,7 @@
 package me.zhyd.oauth.request;
 
 import lombok.Data;
+import me.zhyd.oauth.authorization.AuthorizationFactory;
 import me.zhyd.oauth.config.AuthConfig;
 import me.zhyd.oauth.exception.AuthException;
 import me.zhyd.oauth.model.AuthResponse;
@@ -8,7 +9,6 @@ import me.zhyd.oauth.model.AuthSource;
 import me.zhyd.oauth.model.AuthToken;
 import me.zhyd.oauth.model.AuthUser;
 import me.zhyd.oauth.utils.AuthConfigChecker;
-import me.zhyd.oauth.utils.UrlBuilder;
 
 /**
  * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
@@ -44,52 +44,6 @@ public abstract class BaseAuthRequest implements AuthRequest {
 
     @Override
     public String authorize() {
-        String authorizeUrl = null;
-        switch (source) {
-            case WEIBO:
-                authorizeUrl = UrlBuilder.getWeiboAuthorizeUrl(config.getClientId(), config.getRedirectUri());
-                break;
-            case BAIDU:
-                authorizeUrl = UrlBuilder.getBaiduAuthorizeUrl(config.getClientId(), config.getRedirectUri());
-                break;
-            case DINGTALK:
-                authorizeUrl = UrlBuilder.getDingTalkQrConnectUrl(config.getClientId(), config.getRedirectUri());
-                break;
-            case GITEE:
-                authorizeUrl = UrlBuilder.getGiteeAuthorizeUrl(config.getClientId(), config.getRedirectUri());
-                break;
-            case GITHUB:
-                authorizeUrl = UrlBuilder.getGithubAuthorizeUrl(config.getClientId(), config.getRedirectUri());
-                break;
-            case CSDN:
-                authorizeUrl = UrlBuilder.getCsdnAuthorizeUrl(config.getClientId(), config.getRedirectUri());
-                break;
-            case CODING:
-                authorizeUrl = UrlBuilder.getCodingAuthorizeUrl(config.getClientId(), config.getRedirectUri());
-                break;
-            case TENCEN_CLOUD:
-                authorizeUrl = UrlBuilder.getTencentCloudAuthorizeUrl(config.getClientId(), config.getRedirectUri());
-                break;
-            case OSCHINA:
-                authorizeUrl = UrlBuilder.getOschinaAuthorizeUrl(config.getClientId(), config.getRedirectUri());
-                break;
-            case ALIPAY:
-                authorizeUrl = UrlBuilder.getAlipayAuthorizeUrl(config.getClientId(), config.getRedirectUri());
-                break;
-            case QQ:
-                authorizeUrl = UrlBuilder.getQqAuthorizeUrl(config.getClientId(), config.getRedirectUri());
-                break;
-            case WECHAT:
-                authorizeUrl = UrlBuilder.getWeChatAuthorizeUrl(config.getClientId(), config.getRedirectUri());
-                break;
-            case TAOBAO:
-                authorizeUrl = UrlBuilder.getTaobaoAuthorizeUrl(config.getClientId(), config.getRedirectUri());
-                break;
-            case GOOGLE:
-                break;
-            default:
-                break;
-        }
-        return authorizeUrl;
+        return AuthorizationFactory.getAuthorize(source).getAuthorizeUrl(config);
     }
 }
diff --git a/src/main/java/me/zhyd/oauth/request/ResponseStatus.java b/src/main/java/me/zhyd/oauth/request/ResponseStatus.java
index 73c4add..378669b 100644
--- a/src/main/java/me/zhyd/oauth/request/ResponseStatus.java
+++ b/src/main/java/me/zhyd/oauth/request/ResponseStatus.java
@@ -11,6 +11,8 @@ public enum ResponseStatus {
     NOT_IMPLEMENTED(5001, "Not Implemented"),
     PARAMETER_INCOMPLETE(5002, "Parameter incomplete"),
     UNSUPPORTED(5003, "Unsupported operation"),
+    NO_AUTH_SOURCE(5004, "AuthSource cannot be null"),
+    UNIDENTIFIED_PLATFORM(5005, "Unidentified platform"),
     ;
 
     private int code;