diff --git a/pkg/payment/wechat/channel.go b/pkg/payment/wechat/channel.go
index 8316263..be48ef7 100644
--- a/pkg/payment/wechat/channel.go
+++ b/pkg/payment/wechat/channel.go
@@ -36,10 +36,10 @@ func (c *Channel) Prepay(ctx context.Context, client string, req *pkgpay.PrepayR
 	}
 
 	switch client {
-	case pkgpay.ClientMiniProgram:
-		return c.miniProgramPrepay(ctx, req)
-	default:
+	case pkgpay.ClientApp, pkgpay.ClientH5:
 		return nil, pkgpay.ErrUnsupportedClient
+	default:
+		return c.miniProgramPrepay(ctx, req)
 	}
 }
 
diff --git a/services/payment/internal/config/wechatpay.go b/services/payment/internal/config/wechatpay.go
index b56b627..fc22522 100644
--- a/services/payment/internal/config/wechatpay.go
+++ b/services/payment/internal/config/wechatpay.go
@@ -2,6 +2,7 @@ package config
 
 import (
 	"fmt"
+	"strings"
 
 	"lone-services/pkg/utils"
 	wxpay "lone-services/pkg/wechat/pay"
@@ -13,11 +14,15 @@ func NewWechatPayConfig(clientCode string) (wxpay.Config, error) {
 	}
 
 	prefix := "wechat." + clientCode
-	appID := utils.GetConfigString(prefix + ".app_id")
-	if appID == utils.StringEmpty {
-		appID = utils.GetConfigString("wechat.appid")
-	}
+	alias := clientAppAlias(clientCode)
 
+	appID := firstNonEmpty(
+		utils.GetConfigString(prefix+".app_id"),
+		utils.GetConfigString(prefix+".appid"),
+		utils.GetConfigString("wechat."+alias+"_appid"),
+		utils.GetConfigString("wechat.appid"),
+		utils.GetConfigString("wechat.app_id"),
+	)
 	mchID := firstNonEmpty(
 		utils.GetConfigString(prefix+".pay_mchid"),
 		utils.GetConfigString("wechat.pay_mchid"),
@@ -59,6 +64,13 @@ func NewWechatPayConfig(clientCode string) (wxpay.Config, error) {
 	}, nil
 }
 
+func clientAppAlias(clientCode string) string {
+	if i := strings.IndexByte(clientCode, '_'); i > 0 {
+		return clientCode[:i]
+	}
+	return clientCode
+}
+
 func firstNonEmpty(values ...string) string {
 	for _, v := range values {
 		if v != utils.StringEmpty {