diff --git a/backend/src/main/java/com/qqchen/deploy/backend/deploy/service/impl/JenkinsBuildServiceImpl.java b/backend/src/main/java/com/qqchen/deploy/backend/deploy/service/impl/JenkinsBuildServiceImpl.java
index efd0f050..574e101b 100644
--- a/backend/src/main/java/com/qqchen/deploy/backend/deploy/service/impl/JenkinsBuildServiceImpl.java
+++ b/backend/src/main/java/com/qqchen/deploy/backend/deploy/service/impl/JenkinsBuildServiceImpl.java
@@ -648,6 +648,10 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
                 }
             }
             
+        } catch (org.springframework.orm.ObjectOptimisticLockingFailureException e) {
+            // 乐观锁冲突，说明记录已被其他线程更新，忽略即可
+            log.warn("构建通知记录乐观锁冲突，跳过处理: teamId={}, envId={}, buildId={}", 
+                config.getTeamId(), config.getEnvironmentId(), build.getId());
         } catch (Exception e) {
             log.error("处理构建通知失败: teamId={}, envId={}, buildId={}", 
                 config.getTeamId(), config.getEnvironmentId(), build.getId(), e);
@@ -937,14 +941,16 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
      */
     private String uploadFileToWechat(NotificationChannel channel, String filePath) {
         try {
-            // 从 config 中获取 webhook URL
-            String webhookUrl = (String) channel.getConfig().get("webhookUrl");
-            if (webhookUrl == null || !webhookUrl.contains("key=")) {
-                log.error("无效的企业微信 webhook URL: {}", webhookUrl);
+            // 从 config 中获取 key
+            if (channel.getConfig() == null) {
+                log.error("企业微信渠道配置为空: channelId={}", channel.getId());
+                return null;
+            }
+            String key = (String) channel.getConfig().get("key");
+            if (key == null || key.isEmpty()) {
+                log.error("企业微信渠道 key 为空: channelId={}", channel.getId());
                 return null;
             }
-            
-            String key = webhookUrl.substring(webhookUrl.indexOf("key=") + 4);
             
             // 企业微信文件上传接口
             String uploadUrl = "https://qyapi.weixin.qq.com/cgi-bin/webhook/upload_media?key=" + key + "&type=file";
@@ -1000,7 +1006,8 @@ public class JenkinsBuildServiceImpl extends BaseServiceImpl<JenkinsBuild, Jenki
      */
     private void sendWechatFileMessage(NotificationChannel channel, String mediaId) {
         try {
-            String webhookUrl = (String) channel.getConfig().get("webhookUrl");
+            String key = (String) channel.getConfig().get("key");
+            String webhookUrl = "https://qyapi.weixin.qq.com/cgi-bin/webhook/send?key=" + key;
             
             // 构建文件消息
             Map<String, Object> message = new HashMap<>();