diff --git a/oss-integration/src/main/java/cn/axzo/oss/integration/s3/impl/AliOssServiceImpl.java b/oss-integration/src/main/java/cn/axzo/oss/integration/s3/impl/AliOssServiceImpl.java
index 07e68b1..fb32ecc 100644
--- a/oss-integration/src/main/java/cn/axzo/oss/integration/s3/impl/AliOssServiceImpl.java
+++ b/oss-integration/src/main/java/cn/axzo/oss/integration/s3/impl/AliOssServiceImpl.java
@@ -84,7 +84,11 @@ public class AliOssServiceImpl implements AliOssService {
     public boolean delFile(String bucket, String tgtFileKey) {
         log.debug("ali oss delFile bucket = {}, tatFileKey = {}", bucket, tgtFileKey);
         try {
-            aliOssClient.getClient().deleteObject(bucket, tgtFileKey);
+            OSS client = aliOssClient.getClient();
+            if (bucket.contains(APP_PRO_BUCKET_NAME)) {
+                client = aliOssAppProClient.getClient();
+            }
+            client.deleteObject(bucket, tgtFileKey);
             return Boolean.TRUE;
         } catch (Exception e) {
             LogUtil.error("ali oss delFile error = {}", e);