diff --git a/daxpay-channel/daxpay-channel-douyin/src/main/java/cn/daxpay/open/channel/douyin/strategy/direct/auth/DouyinDirectAuthStrategy.java b/daxpay-channel/daxpay-channel-douyin/src/main/java/cn/daxpay/open/channel/douyin/strategy/direct/auth/DouyinDirectAuthStrategy.java
index 5e4916bb5..fd04592af 100644
--- a/daxpay-channel/daxpay-channel-douyin/src/main/java/cn/daxpay/open/channel/douyin/strategy/direct/auth/DouyinDirectAuthStrategy.java
+++ b/daxpay-channel/daxpay-channel-douyin/src/main/java/cn/daxpay/open/channel/douyin/strategy/direct/auth/DouyinDirectAuthStrategy.java
@@ -47,7 +47,7 @@ public class DouyinDirectAuthStrategy extends AbsProductAuthStrategy {
     @Override
     public AuthUrlResult generateAuthUrl(GenerateAuthUrlParam param, String authToken) {
         DouyinDirectApp app = douyinDirectAppCapabilityService.resolveWebAppForH5Auth(
-                param.getChannelMchNo(), param.getCapability(), param.getChannelAppId());
+                param.getChannelMchNo(), param.getMethod(), param.getChannelAppId());
         DouyinDirectAppAuthConfig authConfig = douyinDirectAppAuthConfigService.findByDouyinDirectAppIdForAuth(app.getId());
         if (StrUtil.isBlank(authConfig.getAppSecret())) {
             // 抖音: 直连应用授权密钥未配置
@@ -64,7 +64,7 @@ public class DouyinDirectAuthStrategy extends AbsProductAuthStrategy {
     public AuthResult doAuth(AuthCodeParam param, AuthSession session) {
         var ctx = resolveContext(param, session);
         DouyinDirectApp app = douyinDirectAppCapabilityService.resolveWebAppForH5Auth(
-                ctx.channelMchNo(), ctx.capability(), ctx.channelAppId());
+                ctx.channelMchNo(), ctx.method(), ctx.channelAppId());
         DouyinDirectAppAuthConfig authConfig = douyinDirectAppAuthConfigService.findByDouyinDirectAppIdForAuth(app.getId());
         if (StrUtil.isBlank(authConfig.getAppSecret())) {
             // 抖音: 直连应用授权密钥未配置
diff --git a/daxpay-channel/daxpay-channel-wechat/src/main/java/cn/daxpay/open/channel/wechat/strategy/direct/auth/WechatDirectAuthStrategy.java b/daxpay-channel/daxpay-channel-wechat/src/main/java/cn/daxpay/open/channel/wechat/strategy/direct/auth/WechatDirectAuthStrategy.java
index 952736bee..7602b5dd7 100644
--- a/daxpay-channel/daxpay-channel-wechat/src/main/java/cn/daxpay/open/channel/wechat/strategy/direct/auth/WechatDirectAuthStrategy.java
+++ b/daxpay-channel/daxpay-channel-wechat/src/main/java/cn/daxpay/open/channel/wechat/strategy/direct/auth/WechatDirectAuthStrategy.java
@@ -52,7 +52,7 @@ public class WechatDirectAuthStrategy extends AbsProductAuthStrategy {
     @Override
     public AuthUrlResult generateAuthUrl(GenerateAuthUrlParam param, String authToken) {
         WxAppView app = resolveApp(param.getMchNo(), param.getChannelMchNo(),
-                param.getCapability(), param.getChannelAppId());
+                param.getMethod(), param.getChannelAppId());
         String redirectUri = AuthRedirectUri.WECHAT.buildRedirectUri(platformUrlConfigService);
         WechatAuthUrlResult result = wechatMpAuthService.generateAuthUrl(
                 redirectUri, app.wxAppId(), app.appSecret(), authToken);
@@ -65,7 +65,7 @@ public class WechatDirectAuthStrategy extends AbsProductAuthStrategy {
     @Override
     public AuthResult doAuth(AuthCodeParam param, AuthSession session) {
         var ctx = resolveContext(param, session);
-        WxAppView app = resolveApp(param.getMchNo(), ctx.channelMchNo(), ctx.capability(), ctx.channelAppId());
+        WxAppView app = resolveApp(param.getMchNo(), ctx.channelMchNo(), ctx.method(), ctx.channelAppId());
         WechatAuthResult data = wechatMpAuthService.getTokenAndOpenId(
                 param.getAuthCode(), app.wxAppId(), app.appSecret());
         if (StrUtil.isBlank(data.getOpenId())) {
diff --git a/daxpay-channel/daxpay-channel-wechat/src/main/java/cn/daxpay/open/channel/wechat/strategy/isv/auth/WechatIsvAuthStrategy.java b/daxpay-channel/daxpay-channel-wechat/src/main/java/cn/daxpay/open/channel/wechat/strategy/isv/auth/WechatIsvAuthStrategy.java
index 18930180d..11990a38c 100644
--- a/daxpay-channel/daxpay-channel-wechat/src/main/java/cn/daxpay/open/channel/wechat/strategy/isv/auth/WechatIsvAuthStrategy.java
+++ b/daxpay-channel/daxpay-channel-wechat/src/main/java/cn/daxpay/open/channel/wechat/strategy/isv/auth/WechatIsvAuthStrategy.java
@@ -57,7 +57,7 @@ public class WechatIsvAuthStrategy extends AbsProductAuthStrategy {
     @Override
     public AuthUrlResult generateAuthUrl(GenerateAuthUrlParam param, String authToken) {
         ResolvedAuthApp app = resolveAuthApp(param.getMchNo(), param.getChannelMchNo(),
-                param.getCapability(), param.getChannelAppId());
+                param.getMethod(), param.getChannelAppId());
         String redirectUri = AuthRedirectUri.WECHAT.buildRedirectUri(platformUrlConfigService);
         WechatAuthUrlResult result = wechatMpAuthService.generateAuthUrl(
                 redirectUri, app.wxAppId(), app.appSecret(), authToken);
@@ -68,7 +68,7 @@ public class WechatIsvAuthStrategy extends AbsProductAuthStrategy {
     @Override
     public AuthResult doAuth(AuthCodeParam param, AuthSession session) {
         var ctx = resolveContext(param, session);
-        ResolvedAuthApp app = resolveAuthApp(param.getMchNo(), ctx.channelMchNo(), ctx.capability(), ctx.channelAppId());
+        ResolvedAuthApp app = resolveAuthApp(param.getMchNo(), ctx.channelMchNo(), ctx.method(), ctx.channelAppId());
         WechatAuthResult data = wechatMpAuthService.getTokenAndOpenId(
                 param.getAuthCode(), app.wxAppId(), app.appSecret());
         if (StrUtil.isBlank(data.getOpenId())) {
diff --git a/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/auth/core/AuthSession.java b/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/auth/core/AuthSession.java
index af5bcb557..9d2e963ac 100644
--- a/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/auth/core/AuthSession.java
+++ b/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/auth/core/AuthSession.java
@@ -53,9 +53,9 @@ public class AuthSession {
     /// 通道商户号
     private String channelMchNo;
 
-    /// 支付能力编码(用于解析具体应用)
-    /// @see cn.daxpay.open.platform.core.enums.pay.channel.PayCapabilityEnum
-    private String capability;
+    /// 支付方式编码(用于解析具体应用)
+    /// @see cn.daxpay.open.platform.core.enums.pay.channel.PayMethodEnum
+    private String method;
 
     /// 指定认证应用AppId(可选, 优先级高于配置自动解析)
     private String channelAppId;
diff --git a/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/auth/merchant/AbsProductAuthStrategy.java b/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/auth/merchant/AbsProductAuthStrategy.java
index f38c29712..1b988a90a 100644
--- a/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/auth/merchant/AbsProductAuthStrategy.java
+++ b/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/auth/merchant/AbsProductAuthStrategy.java
@@ -23,22 +23,22 @@ public abstract class AbsProductAuthStrategy implements PaymentStrategy {
     /// 通过AuthCode获取认证结果
     ///
     /// @param session 认证会话上下文(H5场景从 authToken 恢复; 小程序直连场景可为空, 此时从 param 取上下文)。
-    ///                策略需兼容 session 为 null 的情况(优先用 param 的 channelMchNo/capability/channelAppId)。
+    ///                策略需兼容 session 为 null 的情况(优先用 param 的 channelMchNo/method/channelAppId)。
     public abstract AuthResult doAuth(AuthCodeParam param, AuthSession session);
 
     /// 解析认证上下文: session 字段优先, param 兜底
     ///
     /// H5 OAuth 重定向场景从 session 恢复(param 仅含 authToken);
     /// 小程序直连场景 session 为空, 从 param 取上下文。
-    /// 返回 [ProductAuthContext](channelMchNo / capability / channelAppId)。
+    /// 返回 [ProductAuthContext](channelMchNo / method / channelAppId)。
     protected ProductAuthContext resolveContext(AuthCodeParam param, AuthSession session) {
         String channelMchNo = session != null && StrUtil.isNotBlank(session.getChannelMchNo())
                 ? session.getChannelMchNo() : param.getChannelMchNo();
-        String capability = session != null && StrUtil.isNotBlank(session.getCapability())
-                ? session.getCapability() : param.getCapability();
+        String method = session != null && StrUtil.isNotBlank(session.getMethod())
+                ? session.getMethod() : param.getMethod();
         String channelAppId = session != null && StrUtil.isNotBlank(session.getChannelAppId())
                 ? session.getChannelAppId() : param.getChannelAppId();
-        return new ProductAuthContext(channelMchNo, capability, channelAppId);
+        return new ProductAuthContext(channelMchNo, method, channelAppId);
     }
 
 }
diff --git a/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/auth/merchant/ProductAuthContext.java b/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/auth/merchant/ProductAuthContext.java
index 8b1523799..4ac1bb54f 100644
--- a/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/auth/merchant/ProductAuthContext.java
+++ b/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/auth/merchant/ProductAuthContext.java
@@ -7,7 +7,7 @@ package cn.daxpay.open.payment.auth.merchant;
 ///
 /// ## 字段含义
 /// - `channelMchNo`: 通道商户号(定位特约商户主数据 / 反查 mchNo)
-/// - `capability`: 支付能力编码(公众号 / 小程序, 决定应用维度与 openId 类型)
+/// - `method`: 支付方式编码(公众号 / 小程序, 决定应用维度与 openId 类型)
 /// - `channelAppId`: 显式指定的应用 AppId(可选, 优先级高于配置自动解析)
-public record ProductAuthContext(String channelMchNo, String capability, String channelAppId) {
+public record ProductAuthContext(String channelMchNo, String method, String channelAppId) {
 }
diff --git a/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/auth/merchant/ProductAuthService.java b/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/auth/merchant/ProductAuthService.java
index 1b296660d..2b13f1c29 100644
--- a/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/auth/merchant/ProductAuthService.java
+++ b/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/auth/merchant/ProductAuthService.java
@@ -13,7 +13,9 @@ import cn.daxpay.open.payment.unipay.result.assist.AuthResult;
 import cn.daxpay.open.payment.unipay.result.assist.AuthUrlResult;
 import cn.daxpay.open.platform.core.code.CommonErrorCode;
 import cn.daxpay.open.platform.core.enums.pay.channel.ProductEnum;
+import cn.daxpay.open.platform.core.enums.pay.channel.PayMethodEnum;
 import cn.daxpay.open.platform.core.enums.unipay.ChannelAuthStatusEnum;
+import cn.daxpay.open.platform.core.enums.unipay.ChannelAuthTypeEnum;
 import cn.daxpay.open.platform.core.exception.BizInfoException;
 import cn.hutool.core.util.IdUtil;
 import cn.hutool.core.util.RandomUtil;
@@ -47,6 +49,8 @@ public class ProductAuthService {
     /// 不含 queryCode, 需随会话保存)。
     public AuthUrlResult generateAuthUrl(GenerateAuthUrlParam param) {
         initMchContext(param.getAppId(), param.getMchNo(), null);
+        // 支付方式缺失时按认证类型推导默认值(OAuth 重定向天然只适用于公众号场景)
+        param.setMethod(resolveDefaultMethod(param.getAuthType(), param.getMethod()));
         // 支付产品: 显式传入优先, 否则从通道商户号反查(调试工具/直接指定通道商户场景)
         String product = resolveProduct(param);
         assertNotAlipayProduct(product);
@@ -58,7 +62,7 @@ public class ProductAuthService {
         AuthSession session = new AuthSession()
                 .setProduct(product)
                 .setChannelMchNo(param.getChannelMchNo())
-                .setCapability(param.getCapability())
+                .setMethod(param.getMethod())
                 .setChannelAppId(param.getChannelAppId())
                 .setReturnPath(param.getReturnPath())
                 .setQueryCode(queryCode)
@@ -78,6 +82,8 @@ public class ProductAuthService {
     ///                由认证分发层在调用前通过 [AuthSessionStore#loadSession] 加载后注入。
     public AuthResult auth(AuthCodeParam param, AuthSession session) {
         initMchContext(param.getAppId(), param.getMchNo(), session);
+        // 支付方式缺失时按认证类型推导(session 恢复场景已有 method, 小程序直连场景需补)
+        param.setMethod(resolveDefaultMethod(param.getAuthType(), param.getMethod()));
         // product 优先从会话恢复, 其次取参数(小程序直连场景)
         String product = (session != null && StrUtil.isNotBlank(session.getProduct()))
                 ? session.getProduct() : param.getProduct();
@@ -136,4 +142,21 @@ public class ProductAuthService {
             throw new IllegalStateException("支付宝认证应走平台级 Provider, 不应进入产品策略: " + product);
         }
     }
+
+    /// 支付方式缺失时按认证类型推导默认值
+    ///
+    /// OAuth 重定向认证天然只适用于公众号(H5网页授权)场景, 微信默认补 jsapi, 抖音默认补 h5。
+    /// 已显式传入 method 的场景(网关/码牌)不受影响。
+    private static String resolveDefaultMethod(String authType, String method) {
+        if (StrUtil.isNotBlank(method)) {
+            return method;
+        }
+        if (ChannelAuthTypeEnum.WECHAT.getCode().equals(authType)) {
+            return PayMethodEnum.WECHAT_JSAPI.getCode();
+        }
+        if (ChannelAuthTypeEnum.DOUYIN.getCode().equals(authType)) {
+            return PayMethodEnum.DOUYIN_H5.getCode();
+        }
+        return method;
+    }
 }
diff --git a/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/trade/runtime/service/pay/gateway/GatewayAuthService.java b/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/trade/runtime/service/pay/gateway/GatewayAuthService.java
index 9ec32ef9f..2b1fa10fe 100644
--- a/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/trade/runtime/service/pay/gateway/GatewayAuthService.java
+++ b/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/trade/runtime/service/pay/gateway/GatewayAuthService.java
@@ -85,7 +85,7 @@ public class GatewayAuthService {
             RouteSnapshot route = resolveRoute(order, param);
             authParam.setProduct(route.product());
             authParam.setChannelMchNo(route.channelMchNo());
-            authParam.setCapability(route.capability());
+            authParam.setMethod(route.method());
             authParam.setChannelAppId(route.channelAppId());
         }
         return channelAuthService.generateAuthUrl(authParam);
@@ -261,6 +261,6 @@ public class GatewayAuthService {
     }
 
     /// 路由快照(供组装 GenerateAuthUrlParam)
-    private record RouteSnapshot(String product, String channelMchNo, String capability, String channelAppId) {
+    private record RouteSnapshot(String product, String channelMchNo, String method, String channelAppId) {
     }
 }
diff --git a/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/unipay/param/assist/AuthCodeParam.java b/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/unipay/param/assist/AuthCodeParam.java
index 203155982..f53c4a201 100644
--- a/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/unipay/param/assist/AuthCodeParam.java
+++ b/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/unipay/param/assist/AuthCodeParam.java
@@ -52,11 +52,11 @@ public class AuthCodeParam extends MerchantPaymentCommonParam {
     @Schema(description = "支付产品编码")
     private String product;
 
-    /// 支付能力编码, 用于解析具体应用, 小程序场景需要; 会话码场景从会话恢复
-    /// @see cn.daxpay.open.platform.core.enums.pay.channel.PayCapabilityEnum
-    @Size(max = 32, message = "{validation.field.capability.size}")
-    @Schema(description = "支付能力编码")
-    private String capability;
+    /// 支付方式编码, 用于解析具体应用, 小程序场景需要; 会话码场景从会话恢复
+    /// @see cn.daxpay.open.platform.core.enums.pay.channel.PayMethodEnum
+    @Size(max = 32, message = "{validation.field.method.size}")
+    @Schema(description = "支付方式编码")
+    private String method;
 
     /// 指定认证使用的应用AppId, 会话码恢复上下文时可不传, 优先级高于配置自动解析
     @Size(max = 128, message = "{validation.field.channelAppId.size}")
diff --git a/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/unipay/param/assist/GenerateAuthUrlParam.java b/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/unipay/param/assist/GenerateAuthUrlParam.java
index 615c28c55..49ce5e3b1 100644
--- a/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/unipay/param/assist/GenerateAuthUrlParam.java
+++ b/daxpay-payment/daxpay-payment-core/src/main/java/cn/daxpay/open/payment/unipay/param/assist/GenerateAuthUrlParam.java
@@ -38,10 +38,10 @@ public class GenerateAuthUrlParam extends MerchantPaymentCommonParam {
     @Schema(description = "来源回跳路径")
     private String returnPath;
 
-    /// 支付能力编码, 用于解析具体应用(公众号/小程序), 不同能力对应不同应用维度的openId
-    /// @see cn.daxpay.open.platform.core.enums.pay.channel.PayCapabilityEnum
-    @Size(max = 32, message = "{validation.field.capability.size}")
-    @Schema(description = "支付能力编码")
-    private String capability;
+    /// 支付方式编码, 决定解析哪个应用(公众号/小程序等), 不同方式对应不同应用维度的 openId
+    /// @see cn.daxpay.open.platform.core.enums.pay.channel.PayMethodEnum
+    @Size(max = 32, message = "{validation.field.method.size}")
+    @Schema(description = "支付方式编码")
+    private String method;
 }
 
diff --git a/daxpay-payment/daxpay-payment-unipay/src/main/java/cn/daxpay/open/payment/unipay/client/service/CodePayAssistService.java b/daxpay-payment/daxpay-payment-unipay/src/main/java/cn/daxpay/open/payment/unipay/client/service/CodePayAssistService.java
index ccb80c172..1af7701d9 100644
--- a/daxpay-payment/daxpay-payment-unipay/src/main/java/cn/daxpay/open/payment/unipay/client/service/CodePayAssistService.java
+++ b/daxpay-payment/daxpay-payment-unipay/src/main/java/cn/daxpay/open/payment/unipay/client/service/CodePayAssistService.java
@@ -182,7 +182,7 @@ public class CodePayAssistService {
         authParam.setAppId(mchApp.getAppId());
         authParam.setProduct(routeParam.getProduct());
         authParam.setChannelMchNo(routeParam.getChannelMchNo());
-        authParam.setCapability(routeParam.getCapability());
+        authParam.setMethod(routeParam.getCapability());
         authParam.setReturnPath(returnPath);
         authParam.setAuthType(this.mapAuthType(clientEnv));
         return channelAuthService.generateAuthUrl(authParam);