diff --git a/mall-shop/src/main/java/com/suisung/mall/shop/wechat/utils/WxUtil.java b/mall-shop/src/main/java/com/suisung/mall/shop/wechat/utils/WxUtil.java
index 1d6f6fc2..64b51146 100644
--- a/mall-shop/src/main/java/com/suisung/mall/shop/wechat/utils/WxUtil.java
+++ b/mall-shop/src/main/java/com/suisung/mall/shop/wechat/utils/WxUtil.java
@@ -58,18 +58,24 @@ public class WxUtil {
         params.put("secret", xcx_app_secret);
         params.put("grant_type", "client_credential");
 
-        JSONObject resultObj = new JSONObject();
         String response = HttpUtil.get("https://api.weixin.qq.com/cgi-bin/token", params);
         JSONObject jsonObject = JSONUtil.parseObj(response);
 
+        // 修正：使用 jsonObject 而不是 resultObj 来检查错误信息
         Object errmsg = jsonObject.get("errmsg");
         if (ObjectUtil.isNotEmpty(errmsg)) {
-            String errmsgStr = Convert.toStr(resultObj.get("errmsg"));
-            if (!errmsgStr.equals("0")) {
+            String errmsgStr = Convert.toStr(errmsg);
+            if (!"0".equals(errmsgStr)) {
                 throw new ApiException(I18nUtil._("获取access_token失败"));
             }
         }
-        Integer expiresIn = Convert.toInt(jsonObject.get("expires_in"), 0);
+
+        // 优化：expiresIn 逻辑更清晰
+        Long expiresIn = Convert.toLong(jsonObject.get("expires_in"), 7200L) - 60L;
+        if (expiresIn <= 0L) {
+            expiresIn = 7140L;
+        }
         redisService.set(StateCode.WX_XCX_ACCESSTOKEN, Convert.toStr(jsonObject.get("access_token")), expiresIn);
     }
+
 }