diff --git a/_config/sql/update-tables.sql b/_config/sql/update-tables.sql
index b77a3c86b..90c03e5bd 100644
--- a/_config/sql/update-tables.sql
+++ b/_config/sql/update-tables.sql
@@ -1,3 +1,7 @@
 -- 支付宝直连商户应用增加应用类型字段
 ALTER TABLE "public"."alipay_direct_app"
   ADD COLUMN "app_type" varchar(32);
+
+-- 抖音直连商户应用授权认证配置增加应用密钥字段
+ALTER TABLE "public"."douyin_direct_app_auth_config"
+  ADD COLUMN "app_secret" varchar(512);
diff --git a/daxpay-channel/daxpay-channel-douyin/src/main/java/org/dromara/daxpay/channel/douyin/entity/direct/DouyinDirectAppAuthConfig.java b/daxpay-channel/daxpay-channel-douyin/src/main/java/org/dromara/daxpay/channel/douyin/entity/direct/DouyinDirectAppAuthConfig.java
index 44e9a8d7f..e717a73bc 100644
--- a/daxpay-channel/daxpay-channel-douyin/src/main/java/org/dromara/daxpay/channel/douyin/entity/direct/DouyinDirectAppAuthConfig.java
+++ b/daxpay-channel/daxpay-channel-douyin/src/main/java/org/dromara/daxpay/channel/douyin/entity/direct/DouyinDirectAppAuthConfig.java
@@ -4,6 +4,7 @@ import org.dromara.daxpay.channel.douyin.convert.direct.DouyinDirectAppAuthConfi
 import org.dromara.daxpay.channel.douyin.result.direct.DouyinDirectAppAuthConfigResult;
 import org.dromara.daxpay.payment.common.entity.merchant.MchBaseEntity;
 import org.dromara.daxpay.platform.common.mybatisplus.function.ToResult;
+import org.dromara.daxpay.platform.common.mybatisplus.handler.encrypt.DataEncryptTypeHandler;
 import com.baomidou.mybatisplus.annotation.FieldStrategy;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableName;
@@ -13,7 +14,7 @@ import lombok.experimental.Accessors;
 
 /// # 抖音直连商户应用授权认证配置
 ///
-/// 配置直连商户应用的授权回调地址，用于抖音用户授权流程中的回调跳转。
+/// 配置直连商户应用的应用密钥和授权回调地址，用于抖音用户授权流程中的身份验证与回调跳转。
 ///
 @EqualsAndHashCode(callSuper = true)
 @Data
@@ -29,6 +30,10 @@ public class DouyinDirectAppAuthConfig extends MchBaseEntity implements ToResult
     @TableField(updateStrategy = FieldStrategy.NEVER)
     private Long douyinDirectAppId;
 
+    /// 应用密钥(加密存储)
+    @TableField(typeHandler = DataEncryptTypeHandler.class)
+    private String appSecret;
+
     /// 授权回调地址
     private String authCallbackUrl;
 
diff --git a/daxpay-channel/daxpay-channel-douyin/src/main/java/org/dromara/daxpay/channel/douyin/param/direct/DouyinDirectAppAuthConfigParam.java b/daxpay-channel/daxpay-channel-douyin/src/main/java/org/dromara/daxpay/channel/douyin/param/direct/DouyinDirectAppAuthConfigParam.java
index a0ddb530a..2f01840a2 100644
--- a/daxpay-channel/daxpay-channel-douyin/src/main/java/org/dromara/daxpay/channel/douyin/param/direct/DouyinDirectAppAuthConfigParam.java
+++ b/daxpay-channel/daxpay-channel-douyin/src/main/java/org/dromara/daxpay/channel/douyin/param/direct/DouyinDirectAppAuthConfigParam.java
@@ -9,7 +9,7 @@ import lombok.experimental.Accessors;
 
 /// # 抖音直连商户应用授权认证配置保存参数
 ///
-/// 保存/更新抖音直连商户应用授权认证配置时接收的请求参数，含商户号、通道商户号和授权回调地址。
+/// 保存/更新抖音直连商户应用授权认证配置时接收的请求参数，含商户号、通道商户号、应用密钥和授权回调地址。
 ///
 @Data
 @Accessors(chain = true)
@@ -28,6 +28,10 @@ public class DouyinDirectAppAuthConfigParam {
     @Schema(description = "通道商户号")
     private String channelMchNo;
 
+    @Size(max = 512, message = "{validation.field.appSecret.size}")
+    @Schema(description = "应用密钥")
+    private String appSecret;
+
     @Size(max = 512, message = "{validation.field.authCallbackUrl.size}")
     @Schema(description = "授权回调地址")
     private String authCallbackUrl;
diff --git a/daxpay-channel/daxpay-channel-douyin/src/main/java/org/dromara/daxpay/channel/douyin/result/direct/DouyinDirectAppAuthConfigResult.java b/daxpay-channel/daxpay-channel-douyin/src/main/java/org/dromara/daxpay/channel/douyin/result/direct/DouyinDirectAppAuthConfigResult.java
index b5ddb502c..8676a43b1 100644
--- a/daxpay-channel/daxpay-channel-douyin/src/main/java/org/dromara/daxpay/channel/douyin/result/direct/DouyinDirectAppAuthConfigResult.java
+++ b/daxpay-channel/daxpay-channel-douyin/src/main/java/org/dromara/daxpay/channel/douyin/result/direct/DouyinDirectAppAuthConfigResult.java
@@ -1,5 +1,6 @@
 package org.dromara.daxpay.channel.douyin.result.direct;
 
+import org.dromara.daxpay.platform.common.json.sensitive.SensitiveInfo;
 import org.dromara.daxpay.payment.common.result.MchBaseResult;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
@@ -20,6 +21,10 @@ public class DouyinDirectAppAuthConfigResult extends MchBaseResult {
     @Schema(description = "关联应用ID")
     private Long douyinDirectAppId;
 
+    @SensitiveInfo
+    @Schema(description = "应用密钥 (已脱敏)")
+    private String appSecret;
+
     @Schema(description = "授权回调地址")
     private String authCallbackUrl;
 }
diff --git a/daxpay-channel/daxpay-channel-douyin/src/main/java/org/dromara/daxpay/channel/douyin/service/direct/DouyinDirectAppAuthConfigService.java b/daxpay-channel/daxpay-channel-douyin/src/main/java/org/dromara/daxpay/channel/douyin/service/direct/DouyinDirectAppAuthConfigService.java
index d5205ed68..f433b638f 100644
--- a/daxpay-channel/daxpay-channel-douyin/src/main/java/org/dromara/daxpay/channel/douyin/service/direct/DouyinDirectAppAuthConfigService.java
+++ b/daxpay-channel/daxpay-channel-douyin/src/main/java/org/dromara/daxpay/channel/douyin/service/direct/DouyinDirectAppAuthConfigService.java
@@ -15,7 +15,7 @@ import org.springframework.transaction.annotation.Transactional;
 
 /// # 抖音直连商户应用授权认证配置
 ///
-/// 管理直连商户应用的授权认证配置，查询时不存在则创建默认记录，保存时校验应用归属关系。
+/// 管理直连商户应用的密钥和授权认证配置，查询时不存在则创建默认记录，保存时校验应用归属关系。
 ///
 @Slf4j
 @Service
@@ -55,6 +55,7 @@ public class DouyinDirectAppAuthConfigService {
         }
         var config = this.findByDouyinDirectAppId(param.getDouyinDirectAppId());
         config.setAuthCallbackUrl(param.getAuthCallbackUrl());
+        // Convert copy(IGNORE) 自动处理 appSecret：null 不覆盖，非 null 设置新值
         DouyinDirectAppAuthConfigConvert.CONVERT.copy(param, config);
         douyinDirectAppAuthConfigManager.updateById(config);
     }
diff --git a/daxpay-channel/daxpay-channel-wechat/src/main/java/org/dromara/daxpay/channel/wechat/entity/direct/WechatDirectChannelMerchant.java b/daxpay-channel/daxpay-channel-wechat/src/main/java/org/dromara/daxpay/channel/wechat/entity/direct/WechatDirectChannelMerchant.java
index 464434a22..9a1bdbb93 100644
--- a/daxpay-channel/daxpay-channel-wechat/src/main/java/org/dromara/daxpay/channel/wechat/entity/direct/WechatDirectChannelMerchant.java
+++ b/daxpay-channel/daxpay-channel-wechat/src/main/java/org/dromara/daxpay/channel/wechat/entity/direct/WechatDirectChannelMerchant.java
@@ -16,7 +16,7 @@ import lombok.experimental.Accessors;
 @EqualsAndHashCode(callSuper = true)
 @Data
 @Accessors(chain = true)
-@TableName(value = "mch_wechat_direct_channel_merchant", autoResultMap = true)
+@TableName(value = "wechat_direct_channel_merchant", autoResultMap = true)
 public class WechatDirectChannelMerchant extends MchBaseEntity implements ToResult<WechatDirectChannelMerchantResult> {
 
     /// 通道商户号(系统生成雪花号)
diff --git a/daxpay-channel/daxpay-channel-wechat/src/main/java/org/dromara/daxpay/channel/wechat/entity/isv/WechatIsvChannelMerchant.java b/daxpay-channel/daxpay-channel-wechat/src/main/java/org/dromara/daxpay/channel/wechat/entity/isv/WechatIsvChannelMerchant.java
index 308d5ca7b..0cbae14f0 100644
--- a/daxpay-channel/daxpay-channel-wechat/src/main/java/org/dromara/daxpay/channel/wechat/entity/isv/WechatIsvChannelMerchant.java
+++ b/daxpay-channel/daxpay-channel-wechat/src/main/java/org/dromara/daxpay/channel/wechat/entity/isv/WechatIsvChannelMerchant.java
@@ -17,7 +17,7 @@ import lombok.experimental.Accessors;
 @EqualsAndHashCode(callSuper = true)
 @Data
 @Accessors(chain = true)
-@TableName(value = "mch_wechat_isv_channel_merchant", autoResultMap = true)
+@TableName(value = "wechat_isv_channel_merchant", autoResultMap = true)
 public class WechatIsvChannelMerchant extends MchBaseEntity implements ToResult<WechatIsvChannelMerchantResult> {
 
     /// 通道商户号(WISV+雪花)