diff --git a/src/main/java/com/gxwebsoft/shop/controller/OrderPayController.java b/src/main/java/com/gxwebsoft/shop/controller/OrderPayController.java
index 7ea5f0c..674c994 100644
--- a/src/main/java/com/gxwebsoft/shop/controller/OrderPayController.java
+++ b/src/main/java/com/gxwebsoft/shop/controller/OrderPayController.java
@@ -9,6 +9,7 @@ import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.util.IdUtil;
 import cn.hutool.core.util.StrUtil;
 import com.alipay.api.AlipayApiException;
+import com.alipay.api.response.AlipayFundAuthOperationDetailQueryResponse;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
@@ -216,19 +217,53 @@ public class OrderPayController extends BaseController {
                 if (cnt > 0) {
                     log.info("订单{}已支付支付押金！", orderId);
                     one.setHasFreeze(1);
+                    // 已存在 SUCCESS 冻结记录，清空旧 orderStr，避免前端用同一笔 orderStr 重复调起
+                    // 支付宝收银台报“订单冻结已成功，请勿重复操作。”
+                    one.setOrderStr(null);
                 } else {
                     log.info("订单{}未支付押金！", orderId);
-//                    fWrapper.clear();
-//                    fWrapper.eq(FreezeOrder::getOutOrderNo, freezeOrderNo)
-//                            .eq(FreezeOrder::getStatus, "INIT");
-//                    boolean delRet = freezeOrderService.remove(fWrapper);
-                    try {
-                        String orderStr = freezeOrderService.freeze(order, eg);
-                        one.setOrderStr(orderStr);
-                        log.info("订单{}支付请求参数：{}", orderId, orderStr);
-                    } catch (AlipayApiException e) {
-                        log.error(e.getMessage(), e);
-                        return fail("调用芝麻信用出错！");
+                    // 冻结已发起但本地未确认时，先查支付宝实际冻结状态，避免用同一
+                    // out_order_no/out_request_no 重复发起冻结，触发支付宝端“订单冻结已成功，请勿重复操作。”提示
+                    boolean frozenAtAlipay = false;
+                    long initCnt = freezeOrderService.lambdaQuery()
+                            .eq(FreezeOrder::getOutOrderNo, freezeOrderNo)
+                            .eq(FreezeOrder::getStatus, "INIT")
+                            .count();
+                    if (initCnt > 0) {
+                        try {
+                            AlipayFundAuthOperationDetailQueryResponse queryResp = freezeOrderService.query(order);
+                            if (queryResp.isSuccess() && "SUCCESS".equals(queryResp.getStatus())
+                                    && ("FINISH".equals(queryResp.getOrderStatus())
+                                    || "AUTHORIZED".equals(queryResp.getOrderStatus()))) {
+                                order.setIsFreeze(1);
+                                order.setIsCreditAuth("CREDIT_AUTH".equals(queryResp.getPreAuthType()) ? 1 : 2);
+                                orderService.updateById(order);
+                                // 同步本地冻结记录状态，避免下次再远程查询
+                                freezeOrderService.lambdaUpdate()
+                                        .set(FreezeOrder::getStatus, "SUCCESS")
+                                        .eq(FreezeOrder::getOutOrderNo, freezeOrderNo)
+                                        .eq(FreezeOrder::getStatus, "INIT")
+                                        .update();
+                                one.setIsFreeze(order.getIsFreeze());
+                                one.setIsCreditAuth(order.getIsCreditAuth());
+                                frozenAtAlipay = true;
+                                log.info("订单{}支付宝侧已冻结成功，跳过重复发起冻结！", orderId);
+                                // 支付宝侧已冻结，同样清空旧 orderStr，避免前端重复调起收银台
+                                one.setOrderStr(null);
+                            }
+                        } catch (AlipayApiException e) {
+                            log.error("查询支付宝冻结状态失败！orderId:{}", orderId, e);
+                        }
+                    }
+                    if (!frozenAtAlipay) {
+                        try {
+                            String orderStr = freezeOrderService.freeze(order, eg);
+                            one.setOrderStr(orderStr);
+                            log.info("订单{}支付请求参数：{}", orderId, orderStr);
+                        } catch (AlipayApiException e) {
+                            log.error(e.getMessage(), e);
+                            return fail("调用芝麻信用出错！");
+                        }
                     }
                 }
                 one.setHasFreeze(0);