f

app/main/api/internal/service/wechatpayService.go

@@ -316,14 +316,30 @@ func (w *WechatPayService) CreateWechatOrder(ctx context.Context, amount float64
 		if getUidErr != nil {
 			return "", getUidErr
 		}
-		userAuthModel, findAuthModelErr := w.userAuthModel.FindOneByUserIdAuthType(ctx, userID, model.UserAuthTypeWxh5OpenID)
-		if findAuthModelErr != nil {
-			return "", findAuthModelErr
-		}
-		logx.Infof("微信h5支付订单：userAuthModel: %+v", userAuthModel)
-		prepayData, err = w.CreateWechatH5Order(ctx, amount, description, outTradeNo, userAuthModel.AuthKey)
-		if err != nil {
-			return "", err
+		// 微信内 H5：优先 wxh5_openid（与公众号/网页 AppID 一致）；若无则尝试 wxmini_openid（走小程序 AppID 下单）
+		h5Auth, h5Err := w.userAuthModel.FindOneByUserIdAuthType(ctx, userID, model.UserAuthTypeWxh5OpenID)
+		if h5Err == nil {
+			logx.Infof("微信h5支付订单：userAuthModel(wxh5): %+v", h5Auth)
+			prepayData, err = w.CreateWechatH5Order(ctx, amount, description, outTradeNo, h5Auth.AuthKey)
+			if err != nil {
+				return "", err
+			}
+		} else if h5Err == model.ErrNotFound {
+			miniAuth, miniErr := w.userAuthModel.FindOneByUserIdAuthType(ctx, userID, model.UserAuthTypeWxMiniOpenID)
+			if miniErr != nil {
+				return "", miniErr
+			}
+			logx.WithContext(ctx).Infof(
+				"[WechatPay] wxh5 无 wxh5_openid，使用 wxmini_openid 下单 out_trade_no=%s user_id=%d",
+				outTradeNo, userID,
+			)
+			logx.Infof("微信h5支付订单：userAuthModel(wxmini fallback): %+v", miniAuth)
+			prepayData, err = w.CreateWechatMiniProgramOrder(ctx, amount, description, outTradeNo, miniAuth.AuthKey)
+			if err != nil {
+				return "", err
+			}
+		} else {
+			return "", h5Err
 		}
 	case model.PlatformApp:
 		// 如果是 APP 平台，调用 APP 支付订单创建